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Guilherme Paim is an Assistant Professor at the University of Lisbon, Instituto Superior Técnico, Portugal. About his education, he received his degree in electronics engineering (Hons.) from UFPel (Universidade Federal de Pelotas), Brazil, 15'. He received his Ph.D. degree (summa cum laude) in Microelectronics from UFRGS (Universidade Federal do Rio Grande do Sul), Brazil, 21'. He developed part of his Ph.D. as a Researcher at the Karlsruhe Institute of Technology (KIT), Germany, in collaboration with the University of Stuttgart, Germany (19'-20'). He received the Best Ph.D. Thesis Award 2022 from the Brazilian Microelectronics Society (SBMicro). He also received the Honor Mention Ph.D. Thesis Award 2022 from the CAPES Brazilian funding agency. Currently, he is an Integrated Researcher with the INESC-ID, Lisbon, Portugal. He also contributes as a Researcher with the MICAS Labs at KU Leuven, Belgium, working on artificial intelligence (AI) system-on-chip (SoC) design. He has been collaborating with several projects as EU H2020 CONVOLVE and ERC BINGO, CAPES/FCT ML-DSIV, and CAPES/PROBRAL ReACT. He also is a technical consultant for a microelectronics project funded by the Brazilian Ministry of Science, Technology & Innovation (MCTI). He has more than 90 research papers on Circuits & Systems. He serves as Review Editor of the Frontiers in Electronics and Frontiers in Imaging journals. He also has served as a reviewer in many top journals like IEEE TCAS-I, TCAS-II, TCSVT, TVLSI, TPDS, TETC, TNSRE, and TBioCAS. His research interests are cross-layer AI HW co-processors, energy-quality scalable VLSI design, approximate computing, and emerging technologies. https://gppaim.wordpress.com/.
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Identification

Personal identification

Full name
Guilherme Paim

Citation names

  • Paim, Guilherme

Author identifiers

Ciência ID
181E-B5F7-F61F
ORCID iD
0000-0001-7809-9563
Google Scholar ID
https://scholar.google.com.br/citations?user=r-22aRAAAAAJ&hl=en
Scopus Author Id
56919562600

Email addresses

  • gppaim@ieee.org (Professional)

Addresses

  • Rua Alves Redol, 9, 1000-029, Lisbon, Lisbon, Portugal (Professional)

Websites

Knowledge fields

  • Engineering and Technology - Electrotechnical Engineering, Electronics and Informatics - Computer Hardware and Architecture

Languages

Language Speaking Reading Writing Listening Peer-review
Portuguese (Mother tongue)
English Upper intermediate (B2) Advanced (C1) Advanced (C1) Advanced (C1) Advanced (C1)
Education
Degree Classification
2023/02 - 2024
Ongoing
 Artificial Intelligence Systems on Chip and Chiplets (Pós-doutoramento)
Katholieke Universiteit Leuven Departement Elektrotechniek, Belgium
2022/04 - 2023/01
Concluded
 Microelectronics (Pós-doutoramento)
Instituto de Engenharia de Sistemas e Computadores Investigação e Desenvolvimento em Lisboa, Portugal
2021/03 - 2022/03
Concluded
 Microelectronics (Pós-doutoramento)
Universidade Federal do Rio Grande do Sul, Brazil
2016/06/01 - 2021/03/16
Concluded
 Microelectronics Engineering (Doutoramento)
Major in Integrated Circuits Design
Universidade Federal do Rio Grande do Sul, Brazil
"Approximate and Timing-Speculative Hardware Design for High-Performance and Energy-Efficient Video Processing" (THESIS/DISSERTATION)
 Pass with Maximum Distinction and Honour - A+ (Summa Cum LaudE)
2010/08/01 - 2015/09/11
Concluded
 Electronics Engineering (Bachelor)
Universidade Federal de Pelotas, Brazil
"Arquitetura Multipadrão para a Estimação de Movimento Fracionária para os Padrões HEVC e H.264/AVC" (THESIS/DISSERTATION)
 17
2014 - 2014
Concluded
 Designing with an ARM-based System on Chip - ALTERA (Outros)
Macnica DHW - Soluções IoT & IA, Brazil
2014 - 2014
Concluded
 Developing Software for an ARM-based SoC - ALTERA (Outros)
Macnica DHW - Soluções IoT & IA, Brazil
2014 - 2014
Concluded
 Qsys System Integration Tool - ALTERA (Outros)
Macnica DHW - Soluções IoT & IA, Brazil
2014 - 2014
Concluded
 The Quartus II Software : Timing Analysis (Outros)
Macnica DHW - Soluções IoT & IA, Brazil
Affiliation

Science

Category
Host institution 		Employer
2024/02/27 - Current Principal Investigator (Research) Instituto de Engenharia de Sistemas e Computadores Investigação e Desenvolvimento em Lisboa, Portugal
Instituto de Engenharia de Sistemas e Computadores Investigação e Desenvolvimento em Lisboa, Portugal
2023/02/01 - Current Postdoc (Research) Katholieke Universiteit Leuven Departement Elektrotechniek, Belgium
Katholieke Universiteit Leuven Departement Elektrotechniek, Belgium
2022/12/04 - 2023/01/31 Postdoc (Research) Instituto de Engenharia de Sistemas e Computadores Investigação e Desenvolvimento em Lisboa, Portugal
Instituto de Engenharia de Sistemas e Computadores Investigação e Desenvolvimento em Lisboa, Portugal
(...)
2021/06/01 - 2022/03/03 Postdoc (Research) Universidade Federal do Rio Grande do Sul, Brazil
Universidade Federal do Rio Grande do Sul, Brazil
2016/07/15 - 2021/03/24 Research Assistant (Research) Universidade Federal do Rio Grande do Sul, Brazil
2019/01/10 - 2020/03/10 Visiting Researcher (Research) Karlsruher Institut für Technologie, Germany

Teaching in Higher Education

Category
Host institution 		Employer
2024/03/01 - Current Assistant Professor (University Teacher) Universidade de Lisboa Instituto Superior Técnico, Portugal
Universidade de Lisboa Instituto Superior Técnico, Portugal
2023/02/01 - Current Assistant (University Teacher) Katholieke Universiteit Leuven Departement Elektrotechniek, Belgium
Katholieke Universiteit Leuven Departement Elektrotechniek, Belgium
2016/07/15 - 2019/12/24 Assistant (University Teacher) Universidade Federal do Rio Grande do Sul, Brazil
Universidade Federal do Rio Grande do Sul, Brazil
2016/01/15 - 2016/07/15 Invited Assistant Professor (University Teacher) Universidade Federal de Pelotas, Brazil
Universidade Federal de Pelotas, Brazil

Others

Category
Host institution 		Employer
2023/03/01 - Current Technology Transfer Consultant - RISC-V Platforms (Microeletrônica 1A Project) Brazilian Science, Technology and Innovation Ministry (MCTI), Brazil
Brazilian Science, Technology and Innovation Ministry (MCTI), Brazil
2022/09/01 - 2022/11/30 Trainee - Synopsys Tools Certification Synopsys Portugal Lda, Portugal
Synopsys Portugal Lda, Portugal
Projects

Grant

Designation Funders
2022/03/01 - 2023/02/01 CNPq AxVLSI: Técnicas de Computação Aproximada para Aprendizado de Máquina, Processamento Digital de Sinais, Imagens e Vídeos
150984/2021-9
Post-doc
Universidade Federal do Rio Grande do Sul, Brazil
 Conselho Nacional de Desenvolvimento Científico e Tecnológico
Concluded
2021/03/01 - 2022/02/28 CNPq AxCROSS: Energy-Accuracy Configurable Approximate Computing Architectures for Machine Learning and Digital Signal, Image and Video Processing
152192/2022-0
Post-doc
Universidade Federal do Rio Grande do Sul, Brazil
 Conselho Nacional de Desenvolvimento Científico e Tecnológico
Concluded
2016/07/01 - 2021/03/31 Análise e Desenvolvimento de Técnicas de Computação Aproximada para o Projeto VLSI de Sistemas Multimídia de Baixa Potência
88882.461695/2016-01
PhD Student Fellow
Universidade Federal do Rio Grande do Sul, Brazil
 Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Concluded
2019/03/01 - 2020/03/31 CNPq AxAGE: Análise e Desenvolvimento de Técnicas de Computação Aproximada para o Projeto VLSI de Sistemas de Codificação de Vídeo de Baixa Potência Consciente de Efeitos de Envelhecimento
205252/2018-4
Researcher
Karlsruher Institut für Technologie, Germany
 Conselho Nacional de Desenvolvimento Científico e Tecnológico
Concluded

Contract

Designation Funders
2023/08/01 - Current CNPq CHIPLETS - Uso de Sistemas em Chip compostos por Chiplets para Aplicações de Inteligência Artificial sob restrições de projeto de área, desempenho, potência e conectividade
----
International Consultant
Universidade Federal do Rio Grande do Sul, Brazil
 Conselho Nacional de Desenvolvimento Científico e Tecnológico
Submitted
2023/08/01 - Current MCTI CI INOVADOR - Treinamento de Novos Recursos Humanos de I&D em Microeletrónica
.
International Consultant / Instructor
Katholieke Universiteit Leuven Departement Elektrotechniek, Belgium

Interuniversitair Micro-Elektronica Centrum, Belgium

Instituto de Engenharia de Sistemas e Computadores Investigação e Desenvolvimento em Lisboa, Portugal

Synopsys Inc, United States
Ministério da Ciência e Tecnologia
Submitted
2023/07/01 - Current GlobalFoundries 12nm LP/LP+ Call for Design ideas: Outplaying the hardware lottery for AI
-
Co-Principal Investigator (Co-PI)
Katholieke Universiteit Leuven Departement Elektrotechniek, Belgium
 GlobalFoundries Inc
Ongoing
2023/07/01 - Current AI-GreenChips - Ultra-Efficient Accelerators for Artificial Intelligence in Green Systems on Chip
--
Post-doc
Universidade Federal do Rio Grande do Sul, Brazil

Technische Universität München Fakultät für Elektrotechnik und Informationstechnik, Germany
Deutscher Akademischer Austauschdienst

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Under evaluation
2023/02/01 - Current ERC BINGO: Outplaying the hardware lottery for embedded AI
101088865
Post-doc
Katholieke Universiteit Leuven - MICAS - Microelectronics Circuits and Systems Lab, Belgium
 European Research Council
Ongoing
2023/02/01 - Current FAIR - Flanders AI Research Program
--
Post-doc
Katholieke Universiteit Leuven - MICAS - Microelectronics Circuits and Systems Lab, Belgium

Interuniversitair Micro-Elektronica Centrum, Belgium
Belgian Department of Economy, Science and Innovation
Ongoing
2022/11/01 - Current EU H2021 CONVOLVE: Seamless design of Smart Edge Processors
10039818
Post-doc
Katholieke Universiteit Leuven - MICAS - Microelectronics Circuits and Systems Lab, Belgium
 European Commission
Ongoing
2019/03/04 - Current FCT-CAPES ML-DSIV: Towards Approximate Edge Computing for Machine Learning & Digital Signal, Image and Video Processing
88887.661016/2022-00
Post-doc
Instituto de Engenharia de Sistemas e Computadores Investigação e Desenvolvimento em Lisboa, Portugal

Universidade Federal do Rio Grande do Sul, Brazil

Universidade Católica de Pelotas, Brazil

Universidade Federal de Santa Catarina, Brazil
Ongoing
2019/01/01 - 2022/12/31 FAPERGS ULP-LV CMOS Design de Receptor Ultra-Low Power e Circuitos Digitais em Baixa Tensão Near-VT
5047570949
Researcher
Universidade Federal do Rio Grande do Sul - Instituto de Informática - PPG em Microeletrônica, Brazil
 Fundação de Amparo à Pesquisa do Estado do Rio Grande do Sul
Ongoing
2019/01/10 - 2020/03/04 CAPES-DAAD ReACT: Reliability and Approximate Computing Techniques for Video Processing
205252/2018-4/SWE
Researcher
Universidade Federal do Rio Grande do Sul, Brazil

Karlsruher Institut für Technologie, Germany

Universität Stuttgart, Germany
Deutscher Akademischer Austauschdienst

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Ongoing
Outputs

Publications

Book chapter
  1. Paim, G.; Soares, L.B.; Rocha, L.M.G.; Abreu, B.; Santana, G.M.; Diniz, C.M.; Da Costa, E.A.C.; et al. "Low-power circuit design techniques for high-resolution video coding". In VLSI Architectures for Future Video Coding, 149-190. Institution of Engineering and Technology, 2019.
    Published • 10.1049/pbcs053e_ch5
Conference paper
  1. Pereira, Pedro T. L.; Paim, Guilherme; Flores, Paulo; Costa, Eduardo; Bampi, Sergio. "AxASRE: A Novel Approach to Approximate Adder Synthesis Results Estimation.". Paper presented in International Conference on Dependable Systems and Networks Workshops (DSN-W), Porto, 2023.
    Published • 10.1109/dsn-w58399.2023.00051
  2. Pereira, Pedro T. L.; Paim, Guilherme; Costa, Eduardo; Flores, Paulo; Bampi, Sergio. "Architectural Exploration for Energy-Efficient LMS and NLMS Adaptive Filters VLSI Design". Paper presented in IEEE Interrregional New Circuits and Systems Conference (NEWCAS), Edinburgh, 2023.
    Published • 10.1109/newcas57931.2023.10198163
  3. Tim Bücher; Lilas Alrahis; Paim, Guilherme; Bampi, Sergio; Ozgur Sinanoglu; Amrouch, Hussam. Corresponding author: Amrouch, Hussam. "AppGNN: Approximation-Aware Functional Reverse Engineering using Graph Neural Networks". Paper presented in IEEE/ACM International Conference on Computer-Aided Design (ICCAD), San Diego, 2022.
    Accepted
  4. da Rosa, Morgana Macedo Azevedo; Paim, Guilherme; Castro-Godínez, Jorge; Costa, Eduardo; Rafael I. Soares; Bampi, Sergio. Corresponding author: Paim, Guilherme. "AxRSU: Approximate Radix-4 Squarer Unit". Paper presented in IEEE International Symposium on Circuits and Systems (ISCAS) 2022, Austin, 2022.
    Accepted
  5. Paim, Guilherme; Bampi, Sergio; Abreu, Brunno; Costa, Eduardo; Castro-Godínez, Jorge; Grellert, Mateus. "On the Netlist Gate-level Pruning for Tree-based Machine Learning Accelerators". Paper presented in 13th IEEE Latin American Symposium on Circuits and Systems 2022, Santiago, 2022.
    Accepted
  6. Costa, Patricia; Pereira, Pedro; Abreu, Brunno; Paim, Guilherme; Costa, Eduardo; Bampi, Sergio. "Improved Approximate Multipliers for Single-Precision Floating-Point Hardware Design". Paper presented in 13th IEEE Latin American Symposium on Circuits and Systems 2022, Santiago, 2022.
    Published
  7. Costa, Patricia; Pereira, Pedro; Paim, Guilherme; Costa, Eduardo; Bampi, Sergio. "Boosting the Efficiency of the Harmonics Elimination VLSI Architecture by Arithmetic Approximations". Paper presented in 2021 28th IEEE International Conference on Electronics, Circuits, and Systems (ICECS), Dubai, 2021.
    Published • 10.1109/icecs53924.2021.9665538
  8. Rocha, Leandro Giacomini; Paim, Guilherme; Biswas, Dwaipayan; Bampi, Sergio; Catthoor, Francky; Van Hoof, Chris; Van Helleputte, Nick. "LSTM-only Model for Low-complexity HR Estimation from Wrist PPG". Paper presented in 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC) 2021, 2021.
    Published • 10.1109/embc46164.2021.9630942
  9. Da Rosa, Morgana; Costa, Patricia; Costa, Eduardo; Almeida, Sergio; Paim, Guilherme; Bampi, Sergio. "A Robust and Power-Efficient Power Line Interference Canceling VLSI Design". Paper presented in 34th SBC/SBMicro/IEEE/ACM Symposium on Integrated Circuits and Systems Design (SBCCI), Campinas, 2021.
    Published • 10.1109/sbcci53441.2021.9529983
  10. Pereira, Pedro; Paim, Guilherme; Ferreira, Guilherme; Costa, Eduardo; Almeida, Sergio; Bampi, Sergio. "Exploring Approximate Adders for Power-Efficient Harmonics Elimination Hardware Architectures". Paper presented in IEEE 12th Latin America Symposium on Circuits and System (LASCAS) 2021, Arequipa, 2021.
    10.1109/lascas51355.2021.9459128
  11. Ferreira, Guilherme; Pereira, Pedro; Paim, Guilherme; Costa, Eduardo; Bampi, Sergio. "A Power-Efficient FFT Hardware Architecture Exploiting Approximate Adders". Paper presented in IEEE 12th Latin America Symposium on Circuits and System (LASCAS) 2021, Arequipa, 2021.
    10.1109/lascas51355.2021.9667154
  12. da Costa, Patricia U. L.; Paim, Guilherme; Rocha, Leandro; da Costa, Eduardo; Almeida, Sergio; Bampi, Sergio. "An Efficient NLMS-based VLSI Architecture for Robust FECG Extraction and FHR Processing". Paper presented in 27th IEEE International Conference on Electronics, Circuits and Systems (ICECS) 2020, Glasgow, 2020.
    Published • 10.1109/icecs49266.2020.9294943
  13. da Rosa, Morgana M. A.; Paim, Guilherme; Rocha, Leandro M.G.; da Costa, Eduardo A.C.; Bampi, Sergio. "Exploring Efficient Adder Compressors for Power-Efficient Sum of Squared Differences Design". Paper presented in 27th IEEE International Conference on Electronics, Circuits and Systems (ICECS) 2020, Glasgow, 2020.
    Published • 10.1109/icecs49266.2020.9294915
  14. La Rosa, Andrei; Ucker, Patricia; Paim, Guilherme; da Costa, Eduardo; Almeida, Sergio; Bampi, Sergio. "Exploring NLMS and IPNLMS Adaptive Filtering VLSI Hardware Architectures for Robust EEG Signal Artifacts Elimination". Paper presented in 27th IEEE International Conference on Electronics, Circuits and Systems (ICECS) 2020, Glasgow, 2020.
    Published • 10.1109/icecs49266.2020.9294785
  15. Leme, Mateus Terribele; Paim, Guilherme; Rocha, Leandro M. G; Ucker, Patricia; Lima, Vitor G.; Soares, Rafael; da Costa, Eduardo A. C.; et al. "Optimizing the Montgomery Modular Multiplier for a Power- and Area-Efficient Hardware Architecture". Paper presented in IEEE 63rd International Midwest Symposium on Circuits and Systems (MWSCAS) 2020, Springfield, 2020.
    Published • 10.1109/mwscas48704.2020.9184487
  16. Fontanari, Thomas V.; Paim, Guilherme; Rocha, Leandro M. G.; Ucker, Patricia; Costa, Eduardo; Bampi, Sergio; Thomas V Fontanari; et al. "An Efficient N-bit 8-2 Adder Compressor with a Constant Internal Carry Propagation Delay". Paper presented in IEEE 11th Latin American Symposium on Circuits & Systems (LASCAS) 2020, San Jose, 2020.
    Published • 10.1109/lascas45839.2020.9069009
  17. Ucker, Patricia; Weirich, Miguel R.; Paim, Guilherme; da Costa, Eduardo A. C.; Bampi, Sergio. "Optimizing Iterative-based Dividers for an Efficient Natural Logarithm Operator Design". Paper presented in IEEE 11th Latin American Symposium on Circuits & Systems (LASCAS) 2020, San Jose, 2020.
    Published • 10.1109/lascas45839.2020.9068958
  18. Leandro M G Rocha; Morgana Macedo; Guilherme Paim; Eduardo Costa; Sergio Bampi; Rocha, Leandro M. G.; Macedo, Morgana; et al. "Improving the Partial Product Tree Compression on Signed Radix-2(m) Parallel Multipliers". Paper presented in 18th IEEE International New Circuits and Systems Conference (NEWCAS) 2020, Montreal, 2020.
    Published • 10.1109/newcas49341.2020.9159776
  19. Morgana M A da Rosa; Guilherme Paim; Leandro M G Rocha; Eduardo A C da Costa; Sergio Bampi; da Rosa, Morgana M. A.; Paim, Guilherme; et al. "The Radix-2(m) Squared Multiplier". Paper presented in 27th IEEE International Conference on Electronics, Circuits and Systems (ICECS) 2020, Glasgow, 2020.
    Published • 10.1109/icecs49266.2020.9294854
  20. Henrique Seidel; Morgana da Rosa; Guilherme Paim; Eduardo da Costa; Sergio Almeida; Sergio Bampi. "Energy-Efficient Haar Transform Architectures Using Efficient Addition Schemes". Paper presented in IEEE 11TH LATIN AMERICAN SYMPOSIUM ON CIRCUITS & SYSTEMS (LASCAS) 2020, 2020.
  21. Seidel, H.; Rosa, M.D.; Paim, G.; Costa, E.D.; Almeida, S.; Bampi, S.. "Energy-Efficient Haar Transform Architectures Using Efficient Addition Schemes". 2020.
    10.1109/LASCAS45839.2020.9068951
  22. Patrici Ucker; Miguel R Weirich; Guilherme Paim; Eduardo A C da Costa; Sergio Bampi. "Optimizing Iterative-based Dividers for an Efficient Natural Logarithm Operator Design". 2020.
  23. Pereira, Pedro T. L.; Paim, Guilherme; Ucker, Patricia; Costa, Eduardo; Almeida, Sergio; Bampi, Sergio. "Exploring Architectural Solutions for an Energy-Efficient Kalman Filter Gain Realization". Paper presented in IEEE 26th IEEE International Conference on Electronics, Circuits and Systems (ICECS) 2019, Genova, 2019.
    Published • 10.1109/icecs46596.2019.8964734
  24. Abreu, Brunno; Grellert, Mateus; Paim, Guilherme; Fontanari, Thomas; Rocha, Leandro M. G.; Costa, Eduardo; Bampi, Sergio. "Exploring Motion Vector Cost with Partial Distortion Elimination in Sum of Absolute Differences for HEVC Integer Motion Estimation". Paper presented in 17th IEEE International New Circuits and Systems Conference (NEWCAS) 2019, Munich, 2019.
    Published • 10.1109/newcas44328.2019.8961299
  25. Rafael S Ferreira; Guilherme Paim; Brunno A Abreu; Claudio M Diniz; Eduardo Costa; Sergio Bampi; Ferreira, Rafael S.; et al. "HEVC Interpolation Filter Architecture Using Hybrid Encoding Arithmetic Operators". Paper presented in IEEE 62nd International Midwest Symposium on Circuits and Systems (MWSCAS) 2019, Dallas, 2019.
    10.1109/mwscas.2019.8885370
  26. Guilherme Paim; Leandro M G Rocha; Eduardo A C da Costa; Sergio Bampi; Paim, Guilherme; Rocha, Leandro M. G.; Da Costa, Eduardo A. C.; Bampi, Sergio. "Maximizing the Power-Efficiency of the Approximate Pruned Modified Rounded DCT Exploiting Approximate Adder Compressors". Paper presented in IEEE 17th IEEE International New Circuits and Systems Conference (NEWCAS) 2019, Munich, 2019.
    10.1109/newcas44328.2019.8961253
  27. Pedro T L Pereira; Guilherme Paim; Patricia Ucker; Eduardo Costa; Sergio Almeida; Sergio Bampi. "Exploring Architectural Solutions for an Energy-Efficient Kalman Filter Gain Realization". Paper presented in IEEE 26th IEEE International Conference on Electronics, Circuits and Systems (ICECS) 2019, 2019.
    10.1109/icecs46596.2019.8964734
  28. Vitor G Lima; Guilherme Paim; Leandro M G Rocha; Leomar da Rosa; Felipe Marques; Eduardo A C da Costa; Vinicius Camargo; et al. "Maximizing Side Channel Attack-Resistance and Energy-Efficiency of the STTL Combining Multi-V-t Transistors with Current and Capacitance Balancing". Paper presented in IEEE International Symposium on Circuits and Systems (IEEE ISCAS 2019), Sapporo, 2019.
    10.1109/iscas.2019.8702687
  29. ROSA, A. L.; Pereira, Pedro; Paim, Guilherme; Costa, Eduardo; Almeida, Sergio; Bampi, Sergio. "Exploring Adaptive Filter Implementation for Elimination of Power Line Interference in EEG Signals". Paper presented in XXXIV SIM - South Symposium on Microelectronics, Pelotas, 2019.
    Published
  30. Pereira, Pedro; Paim, Guilherme; Costa, Patricia; Costa, Eduardo; Almeida, Sergio; Bampi, Sergio. "Exploring Architectural Solutions for Kalman Filter Design". Paper presented in XXXIV SIM - South Symposium on Microelectronics, Pelotas, 2019.
  31. Miguel R Weirich; Guilherme Paim; Eduardo A C da Costa; Sergio Bampi. "A Fixed-Point Natural Logarithm Approximation Hardware Design Using Taylor Series". Paper presented in IEEE New Generation of CAS (NGCAS) 2018, 2018.
    10.1109/NGCAS.2018.8572071
  32. Luis F Sequeira; Gustavo M Santana; Guilherme Paim; Leandro M G Rocha; Brunno Abreu; Eduardo Costa; Sergio Bampi. "Low-Power HEVC 8-point 2-D Discrete Cosine Transform Hardware Using Adder Compressors". Paper presented in IEEE 16th International New Circuits and Systems Conference (NEWCAS) 2018, 2018.
  33. Abreu, Brunno; Santana, G.; Grellert, Mateus; Paim, Guilherme; Rocha, L.; Costa, Eduardo; Bampi, Sergio. "Exploiting Partial Distortion Elimination in the Sum of Absolute Differences for Energy-Efficient HEVC Integer Motion Estimation". Paper presented in 2018 31st Symposium on Integrated Circuits and Systems Design (SBCCI), 2018.
    10.1109/SBCCI.2018.8533241
  34. Brunno Abreu; Gustavo Santana; Mateus Grellert; Guilherme Paim; Leandro Rocha; Eduardo A C da Costa; Sergio Bampi. "Exploiting Partial Distortion Elimination in the Sum of Absolute Differences for Energy-Efficient HEVC Integer Motion Estimation". 2018.
  35. Sequeira, L.F.; Santana, G.M.; Paim, G.; Rocha, L.M.G.; Abreu, B.; Costa, E.; Bampi, S.. "Low-Power HEVC 8-point 2-D Discrete Cosine Transform Hardware Using Adder Compressors". 2018.
    10.1109/NEWCAS.2018.8585470
  36. Santana, Gustavo M.; Paim, Guilherme; Rocha, Leandro M. G.; Neuenfeld, Renato; Beck Fonseca, Mateus; da Costa, Eduardo A. C.; Bampi, Sergio. "Using efficient adder compressors with a split-radix butterfly hardware architecture for low-power IoT smart sensors". Paper presented in 24th IEEE International Conference on Electronics, Circuits and Systems (ICECS) 2017, Batumi, 2017.
    10.1109/icecs.2017.8292075
  37. Rocha, Leandro M. G.; Paim, Guilherme; Ferreira, Rafael; Costa, Eduardo; Bampi, Sergio; Leandro M G Rocha; Guilherme Paim; et al. "Framework-based arithmetic core generation to explore ASIC-based parallel binary multipliers". Paper presented in 24th IEEE International Conference on Electronics, Circuits and Systems (ICECS) 2017, 2017.
    10.1109/icecs.2017.8292065
  38. Silveira, Bianca; Abreu, Brunno; Paim, Guilherme; Grellert, Mateus; Ferreira, Rafael; Diniz, Claudio; Costa, Eduardo; Bampi, Sergio. "Using adder and subtractor compressors to sum of absolute transformed differences architecture for low-power video encoding". Paper presented in 24th IEEE International Conference on Electronics, Circuits and Systems (ICECS) 2017, 2017.
    10.1109/icecs.2017.8292076
  39. Paim, Guilherme; Marques, Pedro; Costa, Eduardo; Almeida, Sergio; Bampi, Sergio. "Improved goldschmidt algorithm for fast and energy-efficient fixed-point divider". Paper presented in 24th IEEE International Conference on Electronics, Circuits and Systems (ICECS) 2017, 2017.
    10.1109/icecs.2017.8292070
  40. Rocha, Leandro M. G.; Paim, Guilherme; Santana, Gustavo M.; Abreu, Brunno A.; Ferreira, Rafael; da Costa, Eduardo A. C.; Bampi, Sergio; et al. "Physical implementation of an ASIC-oriented SRAM-based viterbi decoder". Paper presented in 24th IEEE International Conference on Electronics, Circuits and Systems (ICECS) 2017, 2017.
    10.1109/icecs.2017.8292077
  41. Abreu, Brunno; Paim, Guilherme; Grellert, Mateus; Silveira, Bianca; Diniz, Claudio; Costa, Eduardo; Bampi, Sergio. "Exploiting absolute arithmetic for power-efficient sum of absolute differences". Paper presented in 24th IEEE International Conference on Electronics, Circuits and Systems (ICECS), Batumi, 2017.
    Published • 10.1109/icecs.2017.8292062
  42. Paim, Guilherme; Ferreira, Rafael S.; Rocha, Leandro M. G.; da Costa, Eduardo A. C.; Alves, Tiago Giacomelli; Bampi, Sergio. "A power-predictive environment for fast and power-aware ASIC-based FIR filter design". Paper presented in 30th Symposium on Integrated Circuits and Systems Design (SBCCI) - Chip on the Sands, Fortaleza, 2017.
    Published • 10.1145/3109984.3110021
  43. Rocha, Leandro Mateus Giacomini; Paim, Guilherme; Santana, Gustavo Madeira; Brunno Abreu; dos Santos Ferreira, Rafael; Cesar da Costa, Eduardo Antonio; Bampi, Sergio. "Impact of SRAM IP Aspect Ratio in ASIC-Oriented Viterbi Decoder Physical Implementation". Paper presented in Workshop on Circuits and System Design 2017, Fortaleza, 2017.
    Published
  44. Paim, Guilherme; Soares, Leonardo B.; Ferreira, Rafael; Costa, Eduardo; Bampi, Sergio. "Pruning and approximation of coefficients for power-efficient 2-D Discrete Tchebichef Transform". Paper presented in 15th IEEE International New Circuits and Systems Conference (NEWCAS) 2017, 2017.
    10.1109/newcas.2017.8010096
  45. Silveira, Bianca; Ferreira, Rafael; Paim, Guilherme; Diniz, Claudio; Costa, Eduardo. "Low power SATD architecture employing multiple sizes Hadamard Transforms and adder compressors". Paper presented in 15th IEEE International New Circuits and Systems Conference (NEWCAS) 2017, 2017.
    10.1109/newcas.2017.8010159
  46. Dornelles, Raphael; Paim, Guilherme; Silveira, Bianca; Fonseca, Mateus; Costa, Eduardo; Bampi, Sergio. "A power-efficient 4-2 Adder Compressor topology". Paper presented in 2017 15th IEEE International New Circuits and Systems Conference (NEWCAS), 2017.
    10.1109/newcas.2017.8010160
  47. Brunno Abreu; Guilherme Paim; Mateus Grellert; Bianca Silveira; Claudio Diniz; Eduardo Costa; Sergio Bampi. "Exploiting Absolute Arithmetic for Power-Efficient Sum of Absolute Differences". Paper presented in 24TH IEEE INTERNATIONAL CONFERENCE ON ELECTRONICS, CIRCUITS AND SYSTEMS (ICECS) 2017, 2017.
  48. Guilherme Paim; Pedro Marques; Eduardo Costa; Sergio Almeida; Sergio Bampi. "Improved Goldschmidt Algorithm for Fast and Energy-Efficient Fixed-Point Divider". Paper presented in 24TH IEEE INTERNATIONAL CONFERENCE ON ELECTRONICS, CIRCUITS AND SYSTEMS (ICECS) 2017, 2017.
  49. Gustavo M Santana; Guilherme Paim; Leandro M G Rocha; Renato Neuenfeld; Mateus Beck Fonseca; Eduardo A C da Costa; Sergio Bampi. "Using Efficient Adder Compressors with a Split-Radix Butterfly Hardware Architecture for Low-Power IoT Smart Sensors". Paper presented in 24th IEEE International Conference on Electronics, Circuits and Systems (ICECS), 2017.
  50. Bianca Silveira; Brunno Abreu; Guilherme Paim; Mateus Grellert; Rafael Ferreira; Claudio Diniz; Eduardo Costa; Sergio Bampi. "Using Adder and Subtractor Compressors to Sum of Absolute Transformed Differences Architecture for Low-Power Video Encoding". Paper presented in 24th IEEE International Conference on Electronics, Circuits and Systems (ICECS) 2017, 2017.
  51. Guilherme Paim; Leonardo B Soares; Rafael Ferreira; Eduardo Costa; Sergio Bampi. "Pruning and Approximation of Coefficients for Power-Efficient 2-D Discrete Tchebichef Transform". Paper presented in IEEE 15TH INTERNATIONAL NEW CIRCUITS AND SYSTEMS CONFERENCE (NEWCAS) 2017, 2017.
  52. Bianca Silveira; Rafael Ferreira; Guilherme Paim; Claudio Diniz; Eduardo Costa. "Low Power SATD Architecture Employing Multiple Sizes Hadamard Transforms and Adder Compressors". Paper presented in IEEE 15TH INTERNATIONAL NEW CIRCUITS AND SYSTEMS CONFERENCE (NEWCAS) 2017, 2017.
  53. Raphael Dornelles; Guilherme Paim; Bianca Silveira; Mateus Fonseca; Eduardo Costa; Sergio Bampi. "A Power-Efficient 4-2 Adder Compressor Topology". 2017.
  54. Paim, Guilherme; Soares, Leonardo; Oliveira, Julio F. R.; Costa, Eduardo; Bampi, Sergio. "A Power-Efficient Imprecise Radix-4 Multiplier applied to High Resolution Audio Processing". Paper presented in IEEE International Conference on Electronics, Circuits and Systems (IEEE ICECS 2016), Strasbourg, 2016.
    Published • 10.1109/icecs.2016.7841182
  55. Silveira, Bianca; Paim, Guilherme; Diniz, Claudio M.; da Costa, Eduardo A. C.. "Power-Efficient Sum of Absolute Differences Architecture using Adder Compressors". Paper presented in 22th IEEE International Conference on Electronics, Circuits and Systems (IEEE ICECS 2016), Strasbourg, 2016.
    10.1109/icecs.2016.7841202
  56. Paim, Guilherme; Goebel, Jones; Penny, Wagner; Zatt, Bruno; Porto, Marcelo; Agostini, Luciano. "High-Throughput and Memory-aware Hardware of a Sub-pixel Interpolator for Multiple Video Coding Standards". Paper presented in 23th IEEE International Conference on Image Processing (IEEE ICIP 2016), Phoenix, 2016.
    Published • 10.1109/icip.2016.7532741
  57. Paim, Guilherme; Penny, Wagner; Goebel, Jones; Afonso, Vladimir; Susin, Altamiro; Porto, Marcelo; Zatt, Bruno; Agostini, Luciano. "An Efficient Sub-sample Interpolator Hardware for VP9-10 Standards". Paper presented in IEEE International Conference on Image Processing (IEEE ICIP 2016), 2016.
    Published • 10.1109/icip.2016.7532742
  58. Paim, Guilherme; Costa, Eduardo. "Using Adder Compressors for Power-Efficient 2-D Approximate Discrete Tchebichef Transform". Paper presented in 2016 14th IEEE International New Circuits and Systems Conference (IEEE NEWCAS 2016), Vancouver, 2016.
    Published • 10.1109/newcas.2016.7604835
  59. Tiago Schiavon; Guilherme Paim; Mateus Fonseca; Eduardo Costa; Sergio Almeida; P Julian; A G Andreou. "Exploiting Adder Compressors for Power-Efficient 2-D Approximate DCT Realization". Paper presented in IEEE 6th Latin American Symposium on Circuits & Systems (IEEE LASCAS 2015), 2016.
  60. Jones Goebel; Guilherme Paim; Luciano Agostini; Bruno Zatt; Marcelo Porto; Goebel, Jones; Paim, Guilherme; et al. "An HEVC Multi-Size DCT Hardware with Constant Throughput and Supporting Heterogeneous CUs". Paper presented in IEEE International Symposium on Circuits and Systems (IEEE ISCAS 2016), 2016.
    10.1109/iscas.2016.7539019
  61. Bianca Silveira; Guilherme Paim; Claudio M Diniz; Eduardo A C da Costa. "Power-Efficient Sum of Absolute Differences Architecture using Adder Compressors". Paper presented in 23RD IEEE INTERNATIONAL CONFERENCE ON ELECTRONICS CIRCUITS AND SYSTEMS (ICECS 2016), 2016.
  62. Guilherme Paim; Leonardo Soares; Julio E R Oliveira; Eduardo Costa; Sergio Bampi. "A Power-Efficient Imprecise Radix-4 Multiplier applied to High Resolution Audio Processing". Paper presented in 22th IEEE International Conference on Electronics, Circuits and Systems (IEEE ICECS 2016), 2016.
  63. Guilherme Paim; Eduardo Costa. "Using Adder Compressors for Power-Efficient 2-D Approximate Discrete Tchebichef Transform". Paper presented in 2016 14TH IEEE INTERNATIONAL NEW CIRCUITS AND SYSTEMS CONFERENCE (NEWCAS), 2016.
  64. Schiavon, T.; Paim, G.; Fonseca, M.; Costa, E.; Almeida, S.. "Exploiting adder compressors for power-efficient 2-D approximate DCT realization". 2016.
    10.1109/LASCAS.2016.7451090
  65. Guilherme Paim; Jones Goebel; Wagner Penny; Bruno Zatt; Marcelo Porto; Luciano Agostini. "HIGH-THROUGHPUT AND MEMORY-AWARE HARDWARE OF A SUB-PIXEL INTERPOLATOR FOR MULTIPLE VIDEO CODING STANDARDS". 2016.
  66. Guilherme Paim; Wagner Penny; Jones Goebel; Vladimir Afonso; Altamiro Susin; Marcelo Porto; Bruno Zatt; Luciano Agostini. "AN EFFICIENT SUB-SAMPLE INTERPOLATOR HARDWARE FOR VP9-10 STANDARDS". 2016.
  67. Paim, G.; Fonseca, M.; Costa, E.; Almeida, S.. "Power efficient 2-D rounded cosine transform with adder compressors for image compression". 2016.
    10.1109/ICECS.2015.7440320
  68. Maich, Henrique; Paim, Guilherme; Afonso, Vladimir; Agostini, Luciano; Zatt, Bruno; Porto, Marcelo. "A multi-standard interpolation hardware solution for H.264 and HEVC". Paper presented in IEEE 22th International Conference on Image Processing (IEEE ICIP 2015), 2015.
    10.1109/icip.2015.7351335
  69. Penny, Wagner; Paim, Guilherme; Porto, Marcelo; Agostini, Luciano; Zatt, Bruno. "Real-Time Architecture for HEVC Motion Compensation Sample Interpolator for UHD Videos". Paper presented in IEEE 28th Symposium on Integrated Circuits and Systems Design (IEEE SBCCI 2015), Salvador, 2015.
    Published • 10.1145/2800986.2801024
  70. Maich, Henrique; Paim, Guilherme; Afonso, Vladimir; Agostini, Luciano; Zatt, Bruno; Porto, Marcelo. "A multi-standard interpolation filter for motion compensated prediction on high definition videos". Paper presented in IEEE 6th Latin American Symposium on Circuits & Systems (IEEE LASCAS 2015), Floarianópolis, 2015.
    10.1109/lascas.2015.7250478
  71. Guilherme Paim; Sergio Almeida; Henrique Maich; Vladimir Afonso; Luciano Agostini; Bruno Zatt; Marcelo Porto. "A Multi-Standard Interpolation Filter for Motion Compensated Prediction on High Definition Videos". Paper presented in 2015 IEEE 6TH LATIN AMERICAN SYMPOSIUM ON CIRCUITS & SYSTEMS (LASCAS), 2015.
  72. Guilherme Paim; Mateus Fonseca; Eduardo Costa; Sergio Almeida. "Power Efficient 2-D Rounded Cosine Transform with Adder Compressors for Image Compression". Paper presented in 2015 IEEE CONFERENCE ON ELECTRONICS, CIRCUITS, AND SYSTEMS (ICECS), 2015.
  73. Henrique Maich; Guilherme Paim; Vladimir Afonso; Luciano Agostini; Bruno Zatt; Marcelo Porto. "A MULTI-STANDARD INTERPOLATION HARDWARE SOLUTION FOR H.264 AND HEVC". 2015.
Journal article
  1. Gerson Andrade; Matheus Silva; Cínthia Schneider; Guilherme Paim; Sergio Bampi; Eduardo Costa; Alexandra Zimpeck. "Robustness Analysis of 3–2 Adder Compressor Designed in 7-nm FinFET Technology". IEEE Transactions on Circuits and Systems II: Express Briefs (2023): https://doi.org/10.1109/TCSII.2023.3241197.
    10.1109/TCSII.2023.3241197
  2. Brunno Alves de Abreu; Albi Mema; Simon Thomann; Guilherme Paim; Paulo Flores; Sergio Bampi; Hussam Amrouch. "Compact CMOS-Compatible Majority Gate Using Body Biasing in FDSOI Technology". IEEE Journal on Emerging and Selected Topics in Circuits and Systems (2023): https://doi.org/10.1109/JETCAS.2023.3243150.
    10.1109/JETCAS.2023.3243150
  3. Leo Ribeiro; Patricia da Costa; Guilherme Paim; Eduardo da Costa; Sergio Almeida; Sergio Bampi. "VLSI Architecture for Energy-Efficient and Accurate Pre-Processing Pan-Tompkins Design". IEEE Transactions on Circuits and Systems II: Express Briefs (2023): https://doi.org/10.1109/TCSII.2023.3241124.
    10.1109/TCSII.2023.3241124
  4. Yuri Arbeletche; Guilherme Paim; Brunno Abreu; Sergio Almeida; Eduardo Costa; Paulo Flores; Sergio Bampi. "MAxPy: A Framework for Bridging Approximate Computing Circuits to its Applications". IEEE Transactions on Circuits and Systems II: Express Briefs (2023): https://doi.org/10.1109/TCSII.2023.3240897.
    10.1109/TCSII.2023.3240897
  5. da Rosa, Morgana Macedo Azevedo; da Costa, Patrícia Ücker; da Costa, Eduardo Antonio César; Almeida, Sérgio J. M.; Paim, Guilherme; Bampi, Sergio. "Design of a low power and robust VLSI power line interference canceler with optimized arithmetic operators". Analog Integrated Circuits and Signal Processing (2022): http://dx.doi.org/10.1007/s10470-022-02050-x.
    Published • 10.1007/s10470-022-02050-x
  6. Paim, Guilherme; Amrouch, Hussam; Rocha, Leandro; Abreu, Brunno; Costa, Eduardo; Henkel, Jorg. "A Framework for Crossing Temperature-Induced Timing Errors Underlying Hardware Accelerators to the Algorithm and Application Layers". IEEE Transactions on Computers 71 2 (2022): 349-363. http://dx.doi.org/10.1109/tc.2021.3050978.
    10.1109/tc.2021.3050978
  7. Paim, G.; Amrouch, H.; Costa, E.A.C.D.; Bampi, S.; Henkel, J.; Paim, Guilherme; Amrouch, Hussam; et al. "Bridging the Gap Between Voltage Over-Scaling and Joint Hardware Accelerator-Algorithm Closed-Loop". IEEE Transactions on Circuits and Systems for Video Technology 32 1 (2022): 398-410. http://www.scopus.com/inward/record.url?eid=2-s2.0-85100864171&partnerID=MN8TOARS.
    10.1109/TCSVT.2021.3059229
  8. Brunno Alves de Abreu; Guilherme Paim; Mateus Grellert; Sergio Bampi. "C2PAx: Complexity-Aware Constant Parameter Approximation for Energy-Efficient Tree-Based Machine Learning Accelerators". IEEE Transactions on Circuits and Systems I: Regular Papers (2022): https://doi.org/10.1109/TCSI.2022.3169028.
    10.1109/TCSI.2022.3169028
  9. Pedro Taua Lopes Pereira; Patricia Ucker Leleu da Costa; Guilherme da Costa Ferreira; Brunno Alves de Abreu; Guilherme Paim; Eduardo Antonio Cesar da Costa; Sergio Bampi. "Energy-Quality Scalable Design Space Exploration of Approximate FFT Hardware Architectures". IEEE Transactions on Circuits and Systems I: Regular Papers (2022): https://doi.org/10.1109/TCSI.2022.3191180.
    10.1109/TCSI.2022.3191180
  10. Morgana Macedo Azevedo da Rosa; Guilherme Paim; Patricia Ucker Leleu da Costa; Eduardo Antonio Cesar da Costa; Rafael I. Soares; Sergio Bampi. "AxPPA: Approximate Parallel Prefix Adders". IEEE Transactions on Very Large Scale Integration (VLSI) Systems (2022): https://doi.org/10.1109/TVLSI.2022.3218021.
    10.1109/TVLSI.2022.3218021
  11. Pedro Taua Lopes Pereira; Guilherme Paim; Eduardo Antonio Cesar da Costa; Sergio Jose Melo de Almeida; Sergio Bampi. "ReAdapt: A Reconfigurable Datapath for Runtime Energy-Quality Scalable Adaptive Filters". IEEE Transactions on Circuits and Systems I: Regular Papers (2022): https://doi.org/10.1109/TCSI.2022.3204931.
    10.1109/TCSI.2022.3204931
  12. Costa, Patricia; Paim, Guilherme; Rocha, Leandro Mateus Giacomini; Costa, Eduardo; de Almeida, Sergio Jose Melo; Bampi, Sergio. "Fixed-Point NLMS and IPNLMS VLSI Architectures for Accurate FECG and FHR Processing". IEEE Transactions on Biomedical Circuits and Systems 15 5 (2021): 898-911. http://dx.doi.org/10.1109/tbcas.2021.3120237.
    10.1109/tbcas.2021.3120237
  13. Silveira, Bianca; Paim, Guilherme; Abreu, Brunno; dos Santos Ferreira, Rafael; Diniz, Cláudio Machado; Costa, Eduardo; Bampi, Sergio. "The 4-2 Fused Adder-Subtractor Compressor for Low-Power Butterfly-Based Hardware Architectures". Circuits, Systems, and Signal Processing (2021): http://dx.doi.org/10.1007/s00034-021-01839-x.
    Published • 10.1007/s00034-021-01839-x
  14. Sapper, André; Paim, Guilherme; Costa, Eduardo; Bampi, Sergio. "Exploring the CORDIC Algorithm and Clock-Gating for Power-Efficient Fast Fourier Transform Hardware Architectures". Journal of Integrated Circuits and Systems 16 2 (2021): 1-11. http://dx.doi.org/10.29292/jics.v16i2.226.
    Published • 10.29292/jics.v16i2.226
  15. Seidel, Henrique; Rosa, Morgana Da; Paim, Guilherme; Costa, Eduardo; Almeida, Sergio; Bampi, Sergio. "Exploring Multi-Level Composition and Efficient MCM Schemes for an Energy-Efficient Wavelet Haar Architecture". Journal of Integrated Circuits and Systems 16 2 (2021): 1-9. http://dx.doi.org/10.29292/jics.v16i2.242.
    Published • 10.29292/jics.v16i2.242
  16. Pereira, Pedro; Paim, Guilherme; Costa, Patricia; Costa, Eduardo; de Almeida, Sergio Jose Melo; Bampi, Sergio. "Architectural Exploration for Energy-Efficient Fixed-Point Kalman Filter VLSI Design". IEEE Transactions on Very Large Scale Integration (VLSI) Systems 29 7 (2021): 1402-1415. http://dx.doi.org/10.1109/tvlsi.2021.3075379.
    Published • 10.1109/tvlsi.2021.3075379
  17. Seidel, Henrique Bestani; da Rosa, Morgana Macedo Azevedo; Paim, Guilherme; Costa, Eduardo; Almeida, Sergio J. M.; Bampi, Sergio. "Approximate Pruned and Truncated Haar Discrete Wavelet Transform VLSI Hardware for Energy-Efficient ECG Signal Processing". IEEE Transactions on Circuits and Systems I: Regular Papers 68 5 (2021): 1814-1826. http://dx.doi.org/10.1109/tcsi.2021.3057584.
    10.1109/tcsi.2021.3057584
  18. Paim, Guilherme; Zervakis, Georgios; Pahwa, Girish; Chauhan, Yogesh Singh; da Costa, Eduardo Antonio Cesar; Bampi, Sergio; Henkel, Jorg; et al. "On the Resiliency of NCFET Circuits Against Voltage Over-Scaling". IEEE Transactions on Circuits and Systems I: Regular Papers 68 4 (2021): 1481-1492. http://dx.doi.org/10.1109/tcsi.2021.3058451.
    Published • 10.1109/tcsi.2021.3058451
  19. La Rosa, Andrei B.; Pereira, Pedro; Costa, Patricia; Paim, Guilherme; Costa, Eduardo; Bampi, Sergio; Almeida, Sérgio. "Exploring NLMS-Based Adaptive Filter Hardware Architectures for Eliminating Power Line Interference in EEG Signals". Circuits, Systems, and Signal Processing 40 7 (2021): 3305-3337. http://dx.doi.org/10.1007/s00034-020-01620-6.
    Published • 10.1007/s00034-020-01620-6
  20. Ferreira, Guilherme; Paim, Guilherme; Rocha, Leandro M. G.; Santana, Gustavo M.; Neuenfeld, Renato H.; Costa, Eduardo; Bampi, Sergio. "Low-power fast Fourier transform hardware architecture combining a split-radix butterfly and efficient adder compressors". IET Computers & Digital Techniques 15 3 (2021): 230-240. http://dx.doi.org/10.1049/cdt2.12015.
    Published • 10.1049/cdt2.12015
  21. da Rosa, Morgana M.; Seidel, Henrique B.; Paim, Guilherme; Costa, Eduardo; Almeida, Sergio; Bampi, Sergio. "An Energy-Efficient Haar Wavelet Transform Architecture for Respiratory Signal Processing". IEEE Transactions on Circuits and Systems II: Express Briefs 68 2 (2021): 597-601. http://dx.doi.org/10.1109/tcsii.2020.3046919.
    Published • 10.1109/tcsii.2020.3046919
  22. Seidel, H.B.; Da Rosa, M.M.A.; Paim, G.; Da Costa, E.A.C.; Almeida, S.J.M.; Bampi, S.. "Approximate pruned and truncated haar discrete wavelet transform VLSI hardware for energy-efficient ECG signal processing". IEEE Transactions on Circuits and Systems I: Regular Papers 68 5 (2021): 1814-1826. http://www.scopus.com/inward/record.url?eid=2-s2.0-85100864229&partnerID=MN8TOARS.
    10.1109/TCSI.2021.3057584
  23. Rocha, Leandro Mateus Giacomini; Paim, Guilherme; Santana, Gustavo Madeira; Costa, Eduardo Antônio César da; Bampi, Sergio. "Framework-based Arithmetic Datapath Generation to Explore Parallel Binary Multipliers". Journal of Integrated Circuits and Systems 15 3 (2020): 1-10. http://dx.doi.org/10.29292/jics.v15i3.91.
    Published • 10.29292/jics.v15i3.91
  24. Paim, Guilherme; Rocha, Leandro Mateus Giacomini; Amrouch, Hussam; Costa, Eduardo; Bampi, Sergio; Henkel, Jorg. "A Cross-Layer Gate-Level-to-Application Co-Simulation for Design Space Exploration of Approximate Circuits in HEVC Video Encoders". IEEE Transactions on Circuits and Systems for Video Technology 30 10 (2020): 3814-3828. http://dx.doi.org/10.1109/tcsvt.2019.2945763.
    Published • 10.1109/tcsvt.2019.2945763
  25. Abreu, Brunno Alves; Grellert, Mateus; Paim, Guilherme; Rocha, Leandro Mateus Giacomini; Diniz, Cláudio Machado; Costa, Eduardo Eduardo Antônio da; Bampi, Sergio. "Exploring Absolute Differences Arithmetic Operators for Power and Area-Efficient SAD Hardware Architectures". Journal of Integrated Circuits and Systems 15 1 (2020): 1-9. http://dx.doi.org/10.29292/jics.v15i1.88.
    Published • 10.29292/jics.v15i1.88
  26. Lima, Vitor Gonçalves; Paim, Guilherme; Wuerdig, Rodrigo; Rocha, Leandro Mateus Giacomini; Júnior, Leomar Da Rosa; Marques, Felipe; Valduga, Vinicius; et al. "Enhancing Side Channel Attack-Resistance of the STTL Combining Multi-Vt Transistors with Capacitance and Current Paths Counterbalancing". Journal of Integrated Circuits and Systems 15 1 (2020): 1-11. http://dx.doi.org/10.29292/jics.v15i1.100.
    Published • 10.29292/jics.v15i1.100
  27. Guidotti, Vagner; Paim, Guilherme; Rocha, Leandro M. G.; Costa, Eduardo; Almeida, Sérgio; Bampi, Sergio. "Power-Efficient Approximate Newton–Raphson Integer Divider Applied to NLMS Adaptive Filter for High-Quality Interference Cancelling". Circuits, Systems, and Signal Processing 39 11 (2020): 5729-5757. http://dx.doi.org/10.1007/s00034-020-01431-9.
    Published • 10.1007/s00034-020-01431-9
  28. Paim, Guilherme; Santana, Gustavo M.; Abreu, Brunno A.; Rocha, Leandro M. G.; Grellert, Mateus; da Costa, Eduardo A. C.; Bampi, Sergio. "Exploring high-order adder compressors for power reduction in sum of absolute differences architectures for real-time UHD video encoding". Journal of Real-Time Image Processing 17 5 (2020): 1735-1754. http://dx.doi.org/10.1007/s11554-019-00939-x.
    Published • 10.1007/s11554-019-00939-x
  29. Paim, G.; Rocha, L.M.G.; Amrouch, H.; Da Costa, E.A.C.; Bampi, S.; Henkel, J.. "A cross-layer gate-level-to-application co-simulation for design space exploration of approximate circuits in HEVC video encoders". IEEE Transactions on Circuits and Systems for Video Technology 30 10 (2020): 3814-3828. http://www.scopus.com/inward/record.url?eid=2-s2.0-85092542088&partnerID=MN8TOARS.
    10.1109/TCSVT.2019.2945763
  30. Fontanari, Thomas; Paim, Guilherme; Rocha, Leandro Mateus Giacomini; Santana, Gustavo Madeira; Da Costa, Eduardo Antônio César; Bampi, Sergio. "A Fast Monolithic 8-2 Adder Compressor Circuit". Journal of Integrated Circuits and Systems 14 1 (2019): 1-7. http://dx.doi.org/10.29292/jics.v14i1.51.
    Published • 10.29292/jics.v14i1.51
  31. Paim, Guilherme; Rocha, Leandro Mateus Giacomini; Santana, Gustavo Madeira; Soares, Leonardo Bandeira; da Costa, Eduardo Antonio Cesar; Bampi, Sergio; Paim, G.; et al. "Power-, Area-, and Compression-Efficient Eight-Point Approximate 2-D Discrete Tchebichef Transform Hardware Design Combining Truncation Pruning and Efficient Transposition Buffers". IEEE Transactions on Circuits and Systems I: Regular Papers 66 2 (2019): 680-693. http://dx.doi.org/10.1109/tcsi.2018.2868513.
    Published • 10.1109/tcsi.2018.2868513
  32. Fontanari, Thomas V.; Rocha, Leandro Mateus Giacomini; Santana, Gustavo Madeira; Paim, Guilherme; Costa, Eduardo Antônio César da; Bampi, Sergio. "Investigating the Impact of Pruning on Energy-Accuracy of Neural Networks.". Revista Júnior de Iniciação Científica em Ciências Exatas e Engenharia (2019):
  33. Paim, Guilherme; Santana, Gustavo Madeira; Rocha, Leandro Mateus Giacomini; Soares, Leonardo Bandeira; da Costa, Eduardo Antônio César; Bampi, Sergio. "Exploring approximations in 4- and 8- point DTT hardware architectures for low-power image compression". Analog Integrated Circuits and Signal Processing 97 3 (2018): 503-514. http://dx.doi.org/10.1007/s10470-018-1343-x.
    Published • 10.1007/s10470-018-1343-x
  34. Penny, Wagner; Goebel, Jones; Paim, Guilherme; Porto, Marcelo; Agostini, Luciano; Zatt, Bruno. "High-throughput and power-efficient hardware design for a multiple video coding standard sample interpolator". Journal of Real-Time Image Processing 16 1 (2018): 175-192. http://dx.doi.org/10.1007/s11554-018-0832-6.
    Published • 10.1007/s11554-018-0832-6
  35. Paim, Guilherme; Rocha, Leandro M. G.; Santana, Gustavo M.; Soares, Leonardo B.; Da Costa, Eduardo A. C.; Bampi, Sergio. "Using Pruning and Truncation for Power-Efficient 2-D Approximate Tchebichef Transform Hardware Architecture". Journal of Integrated Circuits and Systems 13 1 (2018): 1-6. http://dx.doi.org/10.29292/jics.v13i1.22.
    Published • 10.29292/jics.v13i1.22
  36. Silveira, B.; Paim, G.; Abreu, B.; Grellert, M.; Diniz, C.M.; Da Costa, E.A.C.; Bampi, S.; et al. "Power-Efficient Sum of Absolute Differences Hardware Architecture Using Adder Compressors for Integer Motion Estimation Design". IEEE Transactions on Circuits and Systems I: Regular Papers 64 12 (2017): 3126-3137. http://www.scopus.com/inward/record.url?eid=2-s2.0-85028929735&partnerID=MN8TOARS.
    Published • 10.1109/TCSI.2017.2728802
Thesis / Dissertation
  1. "Approximate and timing-speculative hardware design for high-performance and energy-efficient video processing". PhD, Universidade Federal do Rio Grande do Sul, 2021. https://lume.ufrgs.br/handle/10183/221703.
Website
  1. Curriculum Vitae Website. 2021. https://gppaim.wordpress.com/.

Intellectual property

Copyright registration
  1. 2023. "Registro de Programa de Computador - MAxPy: Um Framework em Python para Exploração de Computação Aproximada Multinível em Aceleradores de Hardware".
    Registered
  2. 2021. "Registro de Programa de Computador - Calculadora da pegada de carbono de sistemas de vedação vertical".
    Registered
Activities

Oral presentation

Presentation title Event name
Host (Event location)
2019 Maximizing Side Channel Attack-Resistance and Energy-Efficiency of the STTL Combining Multi-Vt Transistors with Current and Capacitance Balancing IEEE International Symposium on Circuits and Systems (IEEE ISCAS 2019)
Hokkaido University (Sapporo, Japan)
2019 HEVC Interpolation Filter Architecture Using Hybrid Encoding Arithmetic Operators IEEE MSWCAS International Midwest Symposium on Circuits and Systems
The University of Texas at Dallas (Dallas, United States)
2019 Maximizing the Power-Efficiency of the Approximate Pruned Modified Rounded DCT Exploiting Approximate Adder Compressors 17th IEEE International New Circuits and Systems Conference (NEWCAS) 2019
Fraunhofer EMFT (Munique, Germany)
2019 Low-Power HEVC 8-point 2-D Discrete Cosine Transform Hardware Using Adder Compressors IEEE SIM/EMICRO 2019, South Symposium on Microelectronics
Universidade Católica de Pelotas (Pelotas, Brazil)
2018 Low-Power HEVC 8-point 2-D Discrete Cosine Transform Hardware Using Adder Compressors IEEE 16th International New Circuits and Systems Conference (NEWCAS)
(Montréal, Canada)
2017 Pruning and approximation of coefficients for power-efficient 2-D Discrete Tchebichef Transform 5th IEEE International New Circuits and Systems Conference (NEWCAS)
(Strasbourg, France)
2017 Improved Goldschmidt Algorithm for Fast and Energy-Efficient Fixed-Point Divider 24th IEEE International Conference on Electronics, Circuits and Systems (ICECS)
(Batumi, Georgia)
2017 Exploiting Absolute Arithmetic for Power-Efficient Sum of Absolute Differences 24th IEEE International Conference on Electronics, Circuits and Systems (ICECS)
(Batumi, Georgia)
2016 Exploiting adder compressors for power-efficient 2-D approximate DCT realization IEEE LASCAS 2016, Latin American Symposium on Circuit and Systems
Universidade Federal de Santa Catarina (Florianópolis, Brazil)

Supervision

Thesis Title
Role 		Degree Subject (Type)
Institution / Organization
2023 - Current Tiling NoC: Boosting DNN Performance Through Hardware-Managed Tiling and Workload Distribution
Co-supervisor of Fanchen Kon
 Master in Electrical Engineering (Master)
Katholieke Universiteit Leuven Departement Elektrotechniek, Belgium
2023 - Current Exploring HLS to Optimize the Hardware-Software Co-Design of ML Accelerators
Co-supervisor of Thijs Kempeneers
 Master in Electrical Engineering (Master)
Katholieke Universiteit Leuven Departement Elektrotechniek, Belgium
2023 - Current GVSoC Analysis for Neuro-Vector Symbolic Architecture in a Multi-Core SoC
Co-supervisor of Willem Van Put
 Master in Electrical Engineering (Master)
Katholieke Universiteit Leuven Departement Elektrotechniek, Belgium
2023 - Current Exploring HLS to Optimize the Hardware-Software Co-Design of AI Hardware Accelerators
Co-supervisor of Claudio Clemente
 Master in Electrical Engineering (Master)
Katholieke Universiteit Leuven Departement Elektrotechniek, Belgium
2023 - Current Exploring the Bayesian Neural Networks Hardware Design
Supervisor of Jonas Crols
 Bachelor in Electrical Engineering (Scientific initiation)
Katholieke Universiteit Leuven Departement Elektrotechniek, Belgium
2023 - Current MAxPy: Ambiente para Simulação e Exploração de Técnicas de Computação Aproximada em Circuitos VLSI
Co-supervisor
 Master in Electronic and Computer Engineering (Master)
Universidade Católica de Pelotas, Brazil
2021 - 2023 MAxPy: Ambiente para Simulação e Exploração de Técnicas de Computação Aproximada em Circuitos VLSI
Co-supervisor of Yuri S. B. Arbeletche
Master in Electronic and Computer Engineering (Master)
Universidade Católica de Pelotas, Brazil
2017/01 - 2017/12 Acelerador de Hardware Dedicado para a DCT de Padrões Emergentes
Co-supervisor of Danien Leyes Lopes
 Electronics Engineering (Degree)
Universidade Federal de Pelotas, Brazil
2016/01 - 2016/07 Projeto de Cadeira de Rodas Ortostática
Supervisor of Wellington Ryuiti Yamada
 Control & Automation Engineering (Degree)
Universidade Federal de Pelotas, Brazil
2016/01 - 2016/07 Análise Computacional da Disposição Geográfica das Antenas 4G em Pelotas
Co-supervisor of Cristiano Telles Ginar
 Control & Automation Engineer (Degree)
Universidade Federal de Pelotas, Brazil
2015 - 2016 Exploring partial distortion elimination techniques in the sum of absolute differences architecture for HEVC integer motion estimation
Co-supervisor of Bruno Alves Abreu
 Computer Engineering (Master)
Universidade Federal do Rio Grande do Sul, Brazil

Event organisation

Event name
Type of event (Role) 		Institution / Organization
2022 - Current tinyML Research Symposium - Burlingame, CA (2022 - 2022)
Symposium (Member of the Scientific Committee)
2022 - Current VLSI-SoC - 30th IFIP/IEEE International Conference on Very Large Scale Integration, Patras - Greece (2022)
Conference (Member of the Scientific Committee)
2022 - Current CLEI - Latin American Computing Conference, Armenia, Colombia (2022)
Conference (Member of the Scientific Committee)
2023/04/17 - 2023/04/19 2023 Design Automation and Test in Europe (DATE 2023) (2023/04/17 - 2023/04/19)
Conference (Co-organisor)
 Katholieke Universiteit Leuven - MICAS - Microelectronics Circuits and Systems Lab, Belgium
2021/07/01 - 2021/10/28 11th IEEE CASS Rio Grande do Sul Workshop (2021/09/29 - 2021/10/01)
Workshop (President of the Organising Committee)
 IEEE Circuits and Systems Society, United States
2021/07/01 - 2021/10/01 3rd IEEE CASS-RS Young Professionals Workshop (2021/09/28 - 2021/10/01)
Workshop (President of the Organising Committee)
 IEEE Circuits and Systems Society, United States

Event participation

Activity description
Type of event 		Event name
Institution / Organization
2022/05/28 - 2022/06/01 Special Issue Organization. Tile: Approximate Computing Crossing Design Abstraction Levels: Algorithms, Architectures, and Logic Circuit Synthesis
Symposium
 IEEE International Symposium on Circuits and Systems (ISCAS) 2022
IEEE Circuits and Systems Society, United States
2022/03/01 - 2022/03/04 Special Session Organization. Title: Approximate Computing for Energy-Efficient VLSI Circuits and Systems
Symposium
 13th IEEE Latin American Symposium on Circuits and Systems 2022
IEEE Circuits and Systems Society, United States

Jury of academic degree

Topic
Role 		Candidate name (Type of degree)
Institution / Organization
2023/06/29 On-Chip Compression of Feature Maps for Embedded Deep Learning
(Thesis) Arguer
 Thibaut Smeets (Master)
Katholieke Universiteit Leuven - MICAS - Microelectronics Circuits and Systems Lab, Belgium
2022/09/02 Exploring reconfigurability into approximate Gaussian filter applied to multimedia applications
(Thesis) Arguer
 Marcio Monteiro (PhD)
Universidade Federal de Santa Catarina, Brazil
2017 Acelerador de Hardware Dedicado para a DCT de Padrões Emergentes
Supervisor
 Danien Leyes Lopes (Other)
Universidade Federal de Pelotas, Brazil
2016 Exploring partial distortion elimination techniques in the sum of absolute differences architecture for HEVC integer motion estimation
Supervisor
 Bruno Alves Abreu (Master)
Universidade Federal do Rio Grande do Sul - Instituto de Informática - PPG em Microeletrônica, Brazil
2016 Projeto de Cadeira de Rodas Ortostática
Supervisor
 Wellington Ryuiti Yamada (Other)
Universidade Federal de Pelotas, Brazil
2016 Análise Computacional da Disposição Geográfica das Antenas 4G em Pelotas
Supervisor
 Cristiano Telles Ginar (Other)
Universidade Federal de Pelotas, Brazil

Ad Hoc journal article review

Journal title (ISSN) Publisher
2022/01/01 - Current IEICE Transactions on Information and Systems (1939-8018) IEICE
2020/01/01 - Current Electronics and Telecommunications Research Institute Journal (1225-6463) ETRI
2020/01/01 - Current Journal of Integrated Circuits and Systems (JICS) (1807-1953) Brazilian Microelectronics Society
2020/01/01 - Current Microprocessors and Microsystems (MICPRO) (1872-9436) Springer
2020/01/01 - Current Journal of Signal Processing Systems for Signal, Image and Video Technology (1939-8018) Springer
2020/01/01 - Current Microelectronics Journal (1879-2391) Elsevier
2019/01/01 - Current Analog Integrated Circuits and Signal Processing (1573-1979) Springer
2019/01/01 - Current IET Image Processing (2007-9999) IET
2019/01/01 - Current International Journal of Engineering, Science and Technology (2337-3172) Microelectronics Reliability
2018/01/01 - Current IEEE Transactions on Very Large Scale Integration (VLSI) Systems (1063-8210) IEEE
2018/01/01 - Current IEEE Transactions on Circuits and Systems II: Express Briefs (1549-7747) IEEE
2018/01/01 - Current IEEE Transactions on Circuits and Systems for Video Technology (1558-2205) IEEE
2017/01/01 - Current International Journal of Circuit Theory and Applications

Association member

Society Organization name Role
2015/07/01 - Current IEEE Circuits and Systems Society Member

Conference scientific committee

Conference name Conference host
2022 - Current tinyML Research Symposium
2022 - Current IFIP/IEEE International Conference on Very Large Scale Integration
2021/04/15 - Current Latin American Computing Conference (CLEI)
2021 - Current IEEE Latin America Symposium on Circuits and System (LASCAS) Several Editions
2019 - Current IEEE International Midwest Symposium on Circuits and Systems (MWSCAS) Several Editions
2018 - Current IEEE Asia Pacific Conference on Circuits and Systems (APCCAS) Several Editions
2017 - Current IEEE International Symposium on Circuits and Systems (ISCAS) Several Editions
2016 - Current IEEE International Conference on Electronics, Circuits, and Systems (ICECS) Several Editions
2015 - Current IEEE Symposium on Integrated Circuits and Systems Design (SBCCI) Several Editions

Course / Discipline taught

Academic session Degree Subject (Type) Institution / Organization
2023/09/01 - Current Edge-AI Co-processors Master in IC Design (Master) Katholieke Universiteit Leuven Departement Elektrotechniek, Belgium
2018/02/26 - 2019/12/15 Design of Integrated Circuits and Systems Electrical and Computer Engineering (Magister (2nd cycle)) Universidade Federal do Rio Grande do Sul, Brazil
2018/02/20 - 2019/12/15 Digital Circuits Electrical and Computer Engineering (Magister (2nd cycle)) Universidade Federal do Rio Grande do Sul, Brazil
2016/02/26 - 2016/07/15 Electricity and Magnetism for Electronics Engineering Electronics Engineering (Bachelor) Universidade Federal de Pelotas, Brazil
2016/02/26 - 2016/07/15 Electricity and Magnetism for Control & Automation Engineering Control & Automation Engineering (Bachelor) Universidade Federal de Pelotas, Brazil
2016/02/26 - 2016/07/15 Advanced Electromagnetics Theory for Electronics Engineering Electronics Engineering (Bachelor) Universidade Federal de Pelotas, Brazil

Journal scientific committee

Journal title (ISSN) Publisher
2023 - Current Micro IEEE
2022 - Current Frontiers in Imaging Frontiers
2022 - Current Frontiers in Electronics
2022 - Current Transactions on Information and Systems IEICE
2022 - Current Transactions on Biomedical Circuits and Systems IEEE
2022 - Current Transactions on Neural Systems and Rehabilitation Engineering IEEE
2022 - Current Transactions on Parallel and Distributed Systems IEEE
2021 - Current Transactions on Emerging Topics in Computing IEEE
2020 - Current Electronics and Telecommunications Research Institute Journal Springer
2020 - Current Journal of Integrated Circuits and Systems SBMicro
2020 - Current Microprocessors and Microsystem Elsevier
2020 - Current Journal of Signal Processing Systems for Signal Image and Video Technology Metrics Springer
2020 - Current Microelectronics Journal Elsevier
2020 - Current Electronics and Telecommunications Research Institute ETRI
2019 - Current Analog Integrated Circuits and Signal Processing Springer Science+Business Media, LLC, part of Springer Nature
2019 - Current Image Processing IET
2019 - Current International Journal of Engineering, Science and Technology Springer
2019 - Current Microelectronics Reliability Elsevier
2018 - Current Transactions on Very Large Scale Integration (VLSI) Systems IEEE
2018 - Current Transactions on Circuits and Systems II: Express Briefs IEEE
2018 - Current Transactions on Circuits and Systems for Video Technology IEEE
2018 - Current Transactions on Circuits and Systems I: Regular Papers IEEE
2017 - Current International Journal of Circuit Theory and Applications John Wiley & Sons Ltd
2017 - Current Journal of Real-time Image Processing Springer
Distinctions

Award

2022 SBMICRO Best PhD Thesis Award 2022
Sociedade Brasileira de Microeletrônica, Brazil
2022 CAPES Honor Mention Ph.D. Thesis Award 2022
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior, Brazil
2021 Best Poster Award - IEEE CASS-RS Workshop
IEEE Circuits and Systems Society, United States
2021 Honor Mention Poster Award - IEEE CASS-RS Workshop
IEEE Circuits and Systems Society, United States
2020 Best Paper Award - South Symposium on Microelectronics
IEEE Circuits and Systems Society, United States
2018 Best Paper Award - South Symposium on Microelectronics
IEEE Circuits and Systems Society, United States
2017 Best Paper Award - South Symposium on Microelectronics
IEEE Circuits and Systems Society, United States

Other distinction

2021 PhD Thesis Summa Cum Laude
Universidade Federal do Rio Grande do Sul, Brazil