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André R. S. Marçal é Professor Auxiliar do Departamento de Matemática da Faculdade de Ciencias, Universidade do Porto (FCUP) desde 1999. Obteve a Licenciatura em Física - Ramo Científico (1991) pela FCUP, o Mestrado (1994) e Doutoramento (1998) em Deteção Remota e Processamento de Imagem pela Universidade de Dundee, Escócia, UK.. O seu trabalho de investigação tem incidido em várias áreas de Processamento de Imagem e Deteção Remota, a nível de metodologias e aplicações, sendo autor de mais de 100 artigos científicos, incluindo 27 artigos em revistas com sistema de referee. Até à presente data (Março 2022), tem 1688 citações no Scopus (76 artigos indexados) com h-index=17. Recebeu o prémio para o melhor doutoramento em Deteção Remota no Reino Unido em 1999 (Remote Sensing Society, UK), e o Prémio Inovação em Agricultura em 2007 (Syngenta) em colaboração com Mário Cunha (FCUP), que resultou posteriormente no desenvolvimento da aplicação SprayImageMobile (SIM) para análise automática de papeis hidrosensíveis. Foi Secretário Geral e Vice-Presidente da EARSeL European Association of Remote Sensing Laboratories (2005-2010), e editor da série de livros 'Remote Sensing and Digital Image Processing' Springer (2007-2014), em colaboração com F. Meer (ITC, Holanda). Participou em 8 projetos financiados, 2 deles como Investigador Principal. Foi avaliador de projetos para a Comissão Europeia, e entidades do sistema científico em Portugal, EUA, Chipre e Letónia, tendo sido revisor de 41 artigos para 21 revistas científicas internacionais, 89 artigos de conferências e 134 resumos / mini-artigos. Orientou 5 teses de doutoramento, 28 teses de mestrado, e 9 bolseiros de investigação. www.fc.up.pt/pessoas/andre.marcal
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Identification

Personal identification

Full name
André R S Marcal

Citation names

  • Marcal, André R.S.

Author identifiers

Ciência ID
9417-13CD-CAC5
ORCID iD
0000-0002-8501-0974

Telephones

Fax
  • (+351) 220402209 (Professional)
Telephone
  • (+351) 220402247 (Professional)

Addresses

  • Rua do Campo Alegre, 687, 4169-007, Porto, Porto, Portugal (Professional)

Websites

Languages

Language Speaking Reading Writing Listening Peer-review
Portuguese (Mother tongue)
English Proficiency (C2) Proficiency (C2) Proficiency (C2) Proficiency (C2) Proficiency (C2)
French Intermediate (B1) Intermediate (B1) Intermediate (B1) Intermediate (B1) Intermediate (B1)
Education
Degree Classification
1994/10/01 - 1998/09/18
Concluded
 Remote Sensing and Image Processing (Doctor of Philosophy)
Major in Remote Sensing and Image Processing
University of Dundee, United Kingdom
"A system for near real time processing of AVHRR data - An application to vegetation monitoring in Scotland" (THESIS/DISSERTATION)
1993/10/01 - 1994/09/30
Concluded
 Remote Sensing, Image Processing and Applications (Master)
Major in Remote Sensing, Image Processing and Applications
University of Dundee, United Kingdom
"Derivation of Normalised Difference Vegetation Index Imagery of Portugal and Iberian Peninsula between May and August 1994" (THESIS/DISSERTATION)
1987/10/01 - 1991/09/30
Concluded
 Física (Licenciatura)
Major in Ramo Científico – Física do Estado Sólido e Ciência dos Materiais
Universidade do Porto Faculdade de Ciências, Portugal
 15
Affiliation

Teaching in Higher Education

Category
Host institution 		Employer
1999/02 - Current Assistant Professor (University Teacher) Universidade do Porto Departamento de Matemática, Portugal
1998/10/01 - 1999/01/31 Invited Assistant (University Teacher) Universidade do Porto Faculdade de Engenharia, Portugal
1992/09/01 - 1993/07/31 Trainee Assistant (University Teacher) Universidade do Minho, Portugal
Projects

Contract

Designation Funders
2016 - 2020 EVOXANT - Bacterial evolution beyond the cultured isolates - Xanthomonas arboricola pv. juglandis as a paradigm
DC/BIA-EVF/3635/2014
Researcher
Concluded
2010 - 2013 ADDI - Automatic computer based Diagnosis system for Dermoscopy Images,
PTDC/SAU-BEB/103471/2008
Researcher
Universidade do Porto Faculdade de Ciências, Portugal
Concluded
2006 - 2010 LAMESAT XXI - Ancestral irrigation management on mountain seminatural meadows using remote sensing
PTDC/AGR-AAM/67182/2006
Researcher
Universidade do Porto Faculdade de Ciências, Portugal
Concluded
Outputs

Publications

Book chapter
  1. Francisca Frias; André R. S. Marcal; Rui Prior; Waldir Moreira; Antonio Oliveira-Jr. "Evaluation of Machine Learning Algorithms for Automated Management of Wireless Links". 9-16. Springer International Publishing, 2020.
    10.1007/978-3-030-62362-3_2
  2. André R. S. Marcal; Elisabete M. D. S. Santos; Fernando Tavares. "Image Based Estimation of Fruit Phytopathogenic Lesions Area". 2019.
    10.1007/978-3-030-31321-0_25
  3. Aurora L. R. Martins; André R. S. Marcal; José Pissarra. "Modified DBSCAN Algorithm for Microscopic Image Analysis of Wood". 257-269. Springer International Publishing, 2019.
    10.1007/978-3-030-31332-6_23
  4. Rodrigues, A; Marcal, ARS; Cunha, M. "PhenoSat – a tool for remote sensing based analysis of vegetation dynamics". 2016.
    10.1007/978-3-319-47037-5_10
  5. Mendoncã, TF; Ferreira, PM; Marcãl, ARS; Barata, C; Marques, JS; Rocha, J; Rozeira, J. "PH2: A public database for the analysis of dermoscopic images". 2015.
    10.1201/b19107
Conference paper
  1. Caridade, CMR; Marcal, ARS. "Automatic classification of coral images using colour and textures". 2019.
  2. Marcal, ARS. "SEGMENTATION OF SENTINEL-2 IMAGES ON SNAP - AN EVALUATION WITH SITEF". 2019.
  3. Santos, EMDS; Marcal, ARS. "Automatic Identification of Pollen in Microscopic Images". 2018.
    10.1007/978-3-319-68195-5_58
  4. Marcal, ARS. "Evaluation of Chaos Game Representation for Comparison of DNA Sequences". 2018.
    10.1007/978-3-030-05288-1_14
  5. Marcal, ARS; Martins, J; Selaru, E; Tavares, F. "Towards Automatic Calibration of Dotblot Images". 2018.
    10.1007/978-3-319-93000-8_5
  6. Marcal, ARS. "Robust Detection of Water Sensitive Papers". 2018.
    10.1007/978-3-319-93000-8_25
  7. Mendonca, T; Ferreira, PM; Marques, JS; Marca, ARS; Rozeira, J. "PH2 - A dermoscopic image database for research and benchmarking". 2013.
    10.1109/embc.2013.6610779
  8. Mendonça, T; Ferreira, PM; Marques, JS; Marçal, ARS; Rozeira, J. "PH2 - A dermoscopic image database for research and benchmarking". 2013.
  9. Marçal, ARS; Mendonça, T; Silva, CSP; Pereira, MA; Rozeira, J. "Evaluation of the Menzies method potential for automatic dermoscopic image analysis". 2012.
    10.1201/b12753-19
  10. Rodrigues, A; Marcal, ARS; Cunha, M. "PHENOLOGY PARAMETER EXTRACTION FROM TIME-SERIES OF SATELLITE VEGETATION INDEX DATA USING PHENOSAT". 2012.
    10.1109/igarss.2012.6352507
  11. Caridade, CMR; Marcal, ARS; Mendonca, T; Natal Da Luz, T; Sousa, JP. "Automatic counting the number of Collembola in digital images". 2011.
    10.1109/cisp.2011.6100624
  12. Rodrigues, A; Marcal, ARS; Cunha, M. "PhenoSat - A tool for vegetation temporal analysis from satellite image data". 2011.
    10.1109/multi-temp.2011.6005044
  13. Cunha, M; Marcal, ARS; Rodrigues, A. "A Comparative Study of Satellite and Ground-Based Vineyard Phenology". 2010.
    10.3233/978-1-60750-494-8-68
  14. Marcal, ARS; Rodrigues, A; Cunha, M. "EVALUATION OF SATELLITE IMAGE SEGMENTATION USING SYNTHETIC IMAGES". 2010.
    10.1109/igarss.2010.5649930
  15. Cunha, M; Pocas, I; Marcal, ARS; Rodrigues, A; Pereira, LS. "EVALUATING MODIS VEGETATION INDICES USING GROUND BASED MEASUREMENTS IN MOUNTAIN SEMI-NATURAL MEADOWS OF NORTHEAST PORTUGAL". 2010.
    10.1109/igarss.2010.5652770
  16. Caridade, CMR; Marcal, ARS; Mendonca, T; Albuquerque, P; Mendes, MV; Tavares, F. "Automatic analysis of macroarrays images". 2010.
    10.1109/iembs.2010.5627805
  17. Maeda, J; Kawano, A; Yamauchi, S; Suzuki, Y; Marcal, ARS; Mendonca, T. "Perceptual Image Segmentation Using Fuzzy-Based Hierarchical Algorithm and Its Application to Dermoscopy Images". 2009.
  18. Rodrigues, AS; Marcal, ARS; Cunha, M. "Evaluation of data fusion methods for agricultural monitoring based on synthetic images". 2009.
    10.3233/978-1-58603-986-8-125
  19. Pocas, I; Cunha, M; Marcal, ARS; Pereira, LS. "Remote sensing monitoring to preserve ancestral semi-natural mountain meadows landscapes". 2009.
    10.3233/978-1-58603-986-8-102
  20. Marcal, ARS; Goncalves, IR. "AUTOMATIC RECOGNITION OF ROAD SIGNS IN DIGITAL IMAGES FOR GIS UPDATE". 2009.
  21. Borges, JS; Marcal, ARS; Bioucas Dias, JM. "Hyperspectral image segmentation using FSMLR with Jeffreys prior". 2009.
    10.3233/978-1-58603-986-8-378
  22. Marcal, ARS; Rodrigues, A; Cunha, M. "THE SYNTHETIC IMAGE TESTING FRAMEWORK (SITEF) FOR THE EVALUATION OF MULTI-SPECTRAL IMAGE SEGMENTATION ALGORITHMS". 2009.
    10.1109/igarss.2009.5417330
  23. Caridade, CMR; Marcal, ARS; Mendonca, T; Pessoa, AM; Pereira, S. "An automatic Method to identify and extract information of DNA bands in Gel Electrophoresis Images". 2009.
    10.1109/iembs.2009.5332462
  24. Marcal, ARS; Caridade, CMR; Albuquerque, P; Mendes, MV; Tavares, F. "Automatic Detection of Molecular markers in Digital Images". 2009.
    10.1109/iembs.2009.5333807
  25. Maeda, J; Kawano, A; Yamauchi, S; Suzuki, Y; Marcal, ARS; Mendonca, T. "Perceptual image segmentation using fuzzy-based hierarchical algorithm and its application to images dermoscopy". 2008.
    10.1109/smcia.2008.5045937
  26. Mendonca, T; Marcal, ARS; Vieira, A; Nascimento, JC; Silveira, M; Marques, JS; Rozeira, J. "Comparison of segmentation methods for automatic diagnosis of dermoscopy images". 2007.
    10.1109/iembs.2007.4353865
  27. Borges, JS; Marcal, ARS; Bioucas Dias, JM. "Evaluation of Bayesian hyperspectral image segmentation with a discriminative class learning". 2007.
    10.1109/igarss.2007.4423673
  28. Teodoro, AC; Marcal, ARS; Veloso Gomes, F. "Quantification of the total suspended matter concentration in the sea breaking zone from in situ measurements and remotely sensed data - two empirical approaches". 2006.
  29. Marcal, ARS. "Automatic color indexing of hierarchically structured classified images". 2005.
    10.1109/igarss.2005.1526792
  30. Marcal, ARS; Borges, JS. "Estimation of the "natural" number of classes of a multispectral image". 2005.
    10.1109/igarss.2005.1525733
  31. Marcal, ARS; Teodoro, AC; Castro, L; Gomes, FV; Nunes, AL. "Monitoring the sea breaking zone in northwest Portugal using Earth observation satellites". 2005.
  32. Marcal, ARS; Wright, GG. "The use of NOAA-AVHRR 'overlapping' NDVI maximum value composites for vegetation assessment in Scotland". 1997.
Journal article
  1. André R. S. Marcal; Elisabete M. D. S. Santos. "Measuring Surface and Volume of a Spheroid-Shaped 3D Object from a Single Image". SN Computer Science 1 6 (2020): https://doi.org/10.1007/s42979-020-00376-9.
    10.1007/s42979-020-00376-9
  2. Marcal, ARS; Cunha, M. "Development of an image-based system to assess agricultural fertilizer spreader pattern". COMPUTERS AND ELECTRONICS IN AGRICULTURE (2019):
    10.1016/j.compag.2019.04.031
  3. Caridade, CMR; Marcal, ARS; Albuquerque, P; Mendes, MV; Tavares, F. "Automatic Analysis of Dot Blot Images". INTELLIGENT AUTOMATION AND SOFT COMPUTING (2015): https://www.authenticus.pt/P-00G-N6V.
    10.1080/10798587.2015.1012849
  4. Albuquerque, P; Marcal, ARS; Caridade, C; Costa, R; Mendes, MV; Tavares, F. "A quantitative hybridization approach using 17 DNA markers for identification and clustering analysis of Ralstonia solanacearum". PLANT PATHOLOGY (2015): https://www.authenticus.pt/P-00G-N6T.
    10.1111/ppa.12386
  5. Rodrigues, A; Marcal, ARS; Furlan, D; Ballester, MV; Cunha, M. "Land cover map production for Brazilian Amazon using NDVI SPOT VEGETATION time series". CANADIAN JOURNAL OF REMOTE SENSING (2013): https://www.authenticus.pt/P-006-JYD.
    10.5589/m13-037
  6. Rodrigues, A; Marcal, ARS; Cunha, M. "Identification of potential land cover changes on a continental scale using NDVI time-series from SPOT VEGETATION". INTERNATIONAL JOURNAL OF REMOTE SENSING (2013): https://www.authenticus.pt/P-006-686.
    10.1080/01431161.2013.828184
  7. Rodrigues, A; Marcal, ARS; Cunha, M. "Monitoring Vegetation Dynamics Inferred by Satellite Data Using the PhenoSat Tool". IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING (2013): https://www.authenticus.pt/P-005-1V4.
    10.1109/tgrs.2012.2223475
  8. Silva, CSP; Marcal, ARS. "Colour-based dermoscopy classification of cutaneous lesions: An alternative approach". Computer Methods in Biomechanics and Biomedical Engineering: Imaging and Visualization (2013): https://www.authenticus.pt/P-00K-R9R.
    10.1080/21681163.2013.803683
  9. Mendonca, T.; Ferreira, P.M.; Marques, J.S.; Marcal, A.R.S.; Rozeira, J.. "PH2 - A dermoscopic image database for research and benchmarking". Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS (2013): 5437-5440. http://www.scopus.com/inward/record.url?eid=2-s2.0-84886463000&partnerID=MN8TOARS.
    10.1109/EMBC.2013.6610779
  10. Rebelo, A.; Marçal, A.R.S.; Cardoso, J.S.. "Global constraints for syntactic consistency in OMR: An ongoing approach". Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 7950 LNCS (2013): 734-741. http://www.scopus.com/inward/record.url?eid=2-s2.0-84884474595&partnerID=MN8TOARS.
    10.1007/978-3-642-39094-4_84
  11. Mesquita, T.A.; Marcal, A.R.S.. "Hierarchic image classification visualization". Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 7950 LNCS (2013): 152-159. http://www.scopus.com/inward/record.url?eid=2-s2.0-84884496273&partnerID=MN8TOARS.
    10.1007/978-3-642-39094-4_18
  12. Silva, P.F.B.; Marcal, A.R.S.; Da Silva, R.M.A.. "Evaluation of features for leaf discrimination". Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 7950 LNCS (2013): 197-204. http://www.scopus.com/inward/record.url?eid=2-s2.0-84884488199&partnerID=MN8TOARS.
    10.1007/978-3-642-39094-4_23
  13. Rodrigues, A.; Marcal, A.R.S.; Cunha, M.. "Monitoring vegetation dynamics inferred by satellite data using the pheno sat tool". IEEE Transactions on Geoscience and Remote Sensing 51 4 (2013): 2096-2104. http://www.scopus.com/inward/record.url?eid=2-s2.0-84875696979&partnerID=MN8TOARS.
    10.1109/TGRS.2012.2223475
  14. Silva, C.S.P.; Marcal, A.R.S.; Pereira, M.A.; Mendonça, T.; Rozeira, J.. "Separability analysis of color classes on dermoscopic images". Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 7325 LNCS PART 2 (2012): 268-277. http://www.scopus.com/inward/record.url?eid=2-s2.0-84864146537&partnerID=MN8TOARS.
    10.1007/978-3-642-31298-4_32
  15. Albuquerque, P.; Caridade, C.M.R.; Rodrigues, A.S.; Marcal, A.R.S.; Cruz, J.; Cruz, L.; Santos, C.L.; Mendes, M.V.; Tavares, F.. "Evolutionary and experimental assessment of novel markers for detection of xanthomonas euvesicatoria in plant samples". PLoS ONE 7 5 (2012): http://www.scopus.com/inward/record.url?eid=2-s2.0-84861385709&partnerID=MN8TOARS.
    10.1371/journal.pone.0037836
  16. Cunha, M.; Carvalho, C.; Marcal, A.R.S.. "Assessing the ability of image processing software to analyse spray quality on water-sensitive papers used as artificial targets". Biosystems Engineering 111 1 (2012): 11-23. http://www.scopus.com/inward/record.url?eid=2-s2.0-83955165319&partnerID=MN8TOARS.
    10.1016/j.biosystemseng.2011.10.002
  17. Rodrigues, A.; Marcal, A.R.S.; Cunha, M.. "Phenology parameter extraction from time-series of satellite vegetation index data using phenosat". International Geoscience and Remote Sensing Symposium (IGARSS) (2012): 4926-4929. http://www.scopus.com/inward/record.url?eid=2-s2.0-84873175511&partnerID=MN8TOARS.
    10.1109/IGARSS.2012.6352507
  18. Marcal, A.R.S.; Mendonca, T.; Pereira, M.A.; Rozeira, J.; Silva, C.S.P.. "Evaluation of the Menzies method potential for automatic dermoscopic image analysis". Computational Modelling of Objects Represented in Images: Fundamentals, Methods and Applications III - Proceedings of the International Symposium, CompIMAGE 2012 (2012): 103-108. http://www.scopus.com/inward/record.url?eid=2-s2.0-84867696551&partnerID=MN8TOARS.
  19. Rebelo, A; Fujinaga, I; Paszkiewicz, F; Marcal, ARS; Guedes, C; Cardoso, JS. "Optical music recognition: state-of-the-art and open issues". Int J Multimed Info Retr - International Journal of Multimedia Information Retrieval (2012): https://www.authenticus.pt/P-00H-5KZ.
    10.1007/s13735-012-0004-6
  20. Amorim, B.S.R.; Mendonça, T.; Marcal, A.R.S.; Marques, J.S.; Rozeira, J.. "Database implementation for clinical and computer assisted diagnosis of dermoscopic images". Computational Vision and Medical Image Processing, Proceedings of VipIMAGE 2011 - 3rd ECCOMAS Thematic Conference on Computational Vision and Medical Image Processing (2012): 37-41. http://www.scopus.com/inward/record.url?eid=2-s2.0-84856707871&partnerID=MN8TOARS.
  21. Albuquerque, P; Rodrigues, AS; Caridade, CMR; Marcal, ARS; Tavares, F. "AN IN SILICO WORKFLOW FOR THE SELECTION OF NOVEL DNA MARKERS FOR DETECTION OF PHYTOPATHOGENIC BACTERIA, USING AGROBACTERIUM TUMEFACIENS AS A MODEL". JOURNAL OF PLANT PATHOLOGY (2012):
    10.4454/jpp.v94i1sup.014
  22. Caridade, C.M.R.; Marcal, A.R.S.; Mendonca, T.; Natal-Da-Luz, T.; Sousa, J.P.. "Automatic counting the number of Collembola in digital images". Proceedings - 4th International Congress on Image and Signal Processing, CISP 2011 4 (2011): 1837-1841. http://www.scopus.com/inward/record.url?eid=2-s2.0-84855589958&partnerID=MN8TOARS.
    10.1109/CISP.2011.6100624
  23. Rodrigues, A.; Marcal, A.R.S.; Cunha, M.. "PhenoSat - A tool for vegetation temporal analysis from satellite image data". 2011 6th International Workshop on the Analysis of Multi-Temporal Remote Sensing Images, Multi-Temp 2011 - Proceedings (2011): 45-48. http://www.scopus.com/inward/record.url?eid=2-s2.0-80053114053&partnerID=MN8TOARS.
    10.1109/Multi-Temp.2011.6005044
  24. Albuquerque, P.; Caridade, C.M.R.; Marcal, A.R.S.; Cruz, J.; Cruz, L.; Santos, C.L.; Mendes, M.V.; Tavares, F.. "Identification of Xanthomonas fragariae, Xanthomonas axonopodis pv. phaseoli, and Xanthomonas fuscans subsp. fuscans with novel markers and using a dot blot platform coupled with automatic data Analysis". Applied and Environmental Microbiology 77 16 (2011): 5619-5628. http://www.scopus.com/inward/record.url?eid=2-s2.0-80052611380&partnerID=MN8TOARS.
    10.1128/AEM.05189-11
  25. Pôças, I.; Cunha, M.; Marcal, A.R.S.; Pereira, L.S.. "An evaluation of changes in a mountainous rural landscape of Northeast Portugal using remotely sensed data". Landscape and Urban Planning 101 3 (2011): 253-261. http://www.scopus.com/inward/record.url?eid=2-s2.0-79955675276&partnerID=MN8TOARS.
    10.1016/j.landurbplan.2011.02.030
  26. Albuquerque, P; Caridade, CMR; Marcal, ARS; Cruz, J; Cruz, L; Santos, CL; Mendes, MV; Tavares, F. "Identification of Xanthomonas fragariae, Xanthomonas axonopodis pv. phaseoli, and Xanthomonas fuscans subsp fuscans with Novel Markers and Using a Dot Blot Platform Coupled with Automatic Data Analysis". APPLIED AND ENVIRONMENTAL MICROBIOLOGY (2011): https://www.authenticus.pt/P-002-PAC.
    10.1128/aem.05189-11
  27. Borges, JS; Bioucas Dias, JM; Marcal, ARS. "Bayesian Hyperspectral Image Segmentation With Discriminative Class Learning". IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING (2011): https://www.authenticus.pt/P-002-R0A.
    10.1109/tgrs.2010.2097268
  28. Borges, J.S.; Bioucas-Dias, J.M.; Marcal, A.R.S.. "Bayesian hyperspectral image segmentation with discriminative class learning". IEEE Transactions on Geoscience and Remote Sensing 49 6 PART 1 (2011): 2151-2164. http://www.scopus.com/inward/record.url?eid=2-s2.0-79957639950&partnerID=MN8TOARS.
    10.1109/TGRS.2010.2097268
  29. Caridade, C.M.R.; Marcal, A.R.S.; Mendonça, T.; Albuquerque, P.; Mendes, M.V.; Tavares, F.. "Automatic analysis of macroarrays images". 2010 Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC'10 (2010): 6122-6125. http://www.scopus.com/inward/record.url?eid=2-s2.0-78650817569&partnerID=MN8TOARS.
    10.1109/IEMBS.2010.5627705
  30. Marcal, A.R.S.; Rodrigues, A.; Cunha, M.. "Evaluation of satellite image segmentation using synthetic images". International Geoscience and Remote Sensing Symposium (IGARSS) (2010): 2210-2213. http://www.scopus.com/inward/record.url?eid=2-s2.0-78650886598&partnerID=MN8TOARS.
    10.1109/IGARSS.2010.5649930
  31. Cunha, M.; Poças, I.; Marcal, A.R.S.; Rodrigues, A.; Pereira, L.S.. "Evaluating MODIS vegetation indices using ground based measurements in mountain semi-natural meadows of Northeast Portugal". International Geoscience and Remote Sensing Symposium (IGARSS) (2010): 1525-1528. http://www.scopus.com/inward/record.url?eid=2-s2.0-78650877406&partnerID=MN8TOARS.
    10.1109/IGARSS.2010.5652770
  32. Caridade, C.M.R.; Marcal, A.R.S.; Mendonça, T.; Pessoa, A.M.; Pereira, S.. "Automatic information extraction from gel electrophoresis images using GEIAS". Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 6112 LNCS PART 2 (2010): 185-194. http://www.scopus.com/inward/record.url?eid=2-s2.0-77955346995&partnerID=MN8TOARS.
    10.1007/978-3-642-13775-4_19
  33. Cunha, M.; Marçal, A.R.S.; Silva, L.. "Very early prediction of wine yield based on satellite data from vegetation". International Journal of Remote Sensing 31 12 (2010): 3125-3142. http://www.scopus.com/inward/record.url?eid=2-s2.0-77954738330&partnerID=MN8TOARS.
    10.1080/01431160903154382
  34. Marçal, A.R.S.; Caridade, C.M.R.; Albuquerque, P.; Mendes, M.V.; Tavares, F.. "Automatic detection of molecular markers in digital images". Proceedings of the 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society: Engineering the Future of Biomedicine, EMBC 2009 (2009): 6710-6713. http://www.scopus.com/inward/record.url?eid=2-s2.0-77950992107&partnerID=MN8TOARS.
    10.1109/IEMBS.2009.5333807
  35. Caridade, C.M.R.; Marçal, A.R.S.; Mendonça, T.; Pessoa, A.M.; Pereira, S.. "An automatic method to identify and extract information of DNA bands in gel electrophoresis images". Proceedings of the 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society: Engineering the Future of Biomedicine, EMBC 2009 (2009): 1024-1027. http://www.scopus.com/inward/record.url?eid=2-s2.0-77950969661&partnerID=MN8TOARS.
    10.1109/IEMBS.2009.5332462
  36. Correia, J.; Bencatel, R.; Marçal, A.R.S.; Puga, A.; Sousa, J.B.; Gonçalves, G.M.. "Video based motion tracking and river detection with an unmanned aerial vehicle". Proceedings, 33rd International Symposium on Remote Sensing of Environment, ISRSE 2009 (2009): 1281-1284. http://www.scopus.com/inward/record.url?eid=2-s2.0-84879909938&partnerID=MN8TOARS.
  37. Marçal, A.R.S.; Rodrigues, A.S.. "A method for multi-spectral image segmentation evaluation based on synthetic images". Computers and Geosciences 35 8 (2009): 1574-1581. http://www.scopus.com/inward/record.url?eid=2-s2.0-67650550266&partnerID=MN8TOARS.
    10.1016/j.cageo.2008.11.008
  38. Silveira, M.; Nascimento, J.C.; Marques, J.S.; Marçal, A.R.S.; Mendonça, T.; Yamauchi, S.; Maeda, J.; Rozeira, J.. "Comparison of segmentation methods for melanoma diagnosis in dermoscopy images". IEEE Journal on Selected Topics in Signal Processing 3 1 (2009): 35-45. http://www.scopus.com/inward/record.url?eid=2-s2.0-62349120258&partnerID=MN8TOARS.
    10.1109/JSTSP.2008.2011119
  39. Marçal, A.R.S.; Rodrigues, A.; Cunha, M.. "The Synthetic Image Testing Framework (SITEF) for the evaluation of multi-spectral image segmentation algorithms". International Geoscience and Remote Sensing Symposium (IGARSS) 4 (2009): http://www.scopus.com/inward/record.url?eid=2-s2.0-77951286541&partnerID=MN8TOARS.
    10.1109/IGARSS.2009.5417330
  40. Silveira, M; Nascimento, JC; Marques, JS; Marcal, ARS; Mendonca, T; Yamauchi, S; Maeda, J; Rozeira, J. "Comparison of Segmentation Methods for Melanoma Diagnosis in Dermoscopy Images". IEEE JOURNAL OF SELECTED TOPICS IN SIGNAL PROCESSING (2009): https://www.authenticus.pt/P-003-NF1.
    10.1109/jstsp.2008.2011119
  41. Marçal, A.R.S.. "Alternative methods for counting overlapping grains in digital images". Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 5112 LNCS (2008): 1051-1060. http://www.scopus.com/inward/record.url?eid=2-s2.0-47749125434&partnerID=MN8TOARS.
    10.1007/978-3-540-69812-8_105
  42. Nunes, A.S.L.; Marcal, A.R.S.; Vaughan, R.A.. "Fast over-land atmospheric correction of visible and near-infrared satellite images". International Journal of Remote Sensing 29 12 (2008): 3523-3531. http://www.scopus.com/inward/record.url?eid=2-s2.0-46349083171&partnerID=MN8TOARS.
    10.1080/01431160701592445
  43. Marçal, A.R.S.; Cunha, M.. "Image processing of artificial targets for automatic evaluation of spray quality". Transactions of the ASABE 51 3 (2008): 811-821. http://www.scopus.com/inward/record.url?eid=2-s2.0-49549110936&partnerID=MN8TOARS.
  44. Caridade, C.M.R.; Marçal, A.R.S.; Mendonça, T.. "The use of texture for image classification of black and white air photographs". International Journal of Remote Sensing 29 2 (2008): 593-607. http://www.scopus.com/inward/record.url?eid=2-s2.0-37249010054&partnerID=MN8TOARS.
    10.1080/01431160701281015
  45. Caridade, C.M.R.; Marçal, A.R.S.; Mendonça, T.. "Automatic extraction and classification of DNA profiles in digital images". Proceedings of VIPIMAGE 2007 - 1st ECCOMAS Thematic Conference on Computational Vision and Medical Image Processing (2008): 111-116. http://www.scopus.com/inward/record.url?eid=2-s2.0-60749096822&partnerID=MN8TOARS.
  46. Maeda, J.; Kawano, A.; Yamauchi, S.; Suzuki, Y.; Marçal, A.R.S.; Mendonça, T.. "Perceptual image segmentation using fuzzy-based hierarchical algorithm and its application to images dermoscopy". SMCia/08 - Proceedings of the 2008 IEEE Conference on Soft Computing on Industrial Applications (2008): 66-71. http://www.scopus.com/inward/record.url?eid=2-s2.0-70349300430&partnerID=MN8TOARS.
    10.1109/SMCIA.2008.5045937
  47. Borges, J.S.; Bioucas-Dias, J.M.; Marçal, A.R.S.. "Bayesian hyperspectral image segmentation with discriminative class learning". Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 4477 LNCS PART 1 (2007): 22-29. http://www.scopus.com/inward/record.url?eid=2-s2.0-38149099998&partnerID=MN8TOARS.
  48. Borges, J.S.; Marçal, A.R.S.; Bioucas-Dias, J.M.. "Evaluation of Bayesian hyperspectral image segmentation with a discriminative class learning". International Geoscience and Remote Sensing Symposium (IGARSS) (2007): 3810-3813. http://www.scopus.com/inward/record.url?eid=2-s2.0-82355182769&partnerID=MN8TOARS.
    10.1109/IGARSS.2007.4423673
  49. Gonçalves, J.A.; Marçal, A.R.S.. "Automatic ortho-rectification of ASTER images by matching digital elevation models". Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 4633 LNCS (2007): 1265-1275. http://www.scopus.com/inward/record.url?eid=2-s2.0-37849028981&partnerID=MN8TOARS.
  50. Marçal, A.R.S.. "Automatic identification and validation of tie points on hyperspectral satellite images from CHRIS/PROBA". Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 4522 LNCS (2007): 553-561. http://www.scopus.com/inward/record.url?eid=2-s2.0-37849046188&partnerID=MN8TOARS.
  51. Teodoro, A.C.; Marçal, A.R.S.; Veloso-Gomes, F.. "Correlation analysis of water wave reflectance and local TSM concentrations in the breaking zone with remote sensing techniques". Journal of Coastal Research 23 6 (2007): 1491-1497. http://www.scopus.com/inward/record.url?eid=2-s2.0-38349041852&partnerID=MN8TOARS.
    10.2112/05-0482.1
  52. Mendonça, T.; Marçal, A.R.S.; Vieira, A.; Lacerda, L.; Caridade, C.; Rozeira, J.. "Automatic analysis of dermoscopy images - A review". Proceedings of the International Symposium CompIMAGE 2006 - Computational Modelling of Objects Represented in Images: Fundamentals, Methods and Applications (2007): 281-287. http://www.scopus.com/inward/record.url?eid=2-s2.0-60749104225&partnerID=MN8TOARS.
  53. Mendonça, T.; Marçal, A.R.S.; Vieira, A.; Nascimento, J.C.; Silveira, M.; Marques, J.S.; Rozeira, J.. "Comparison of segmentation methods for automatic diagnosis of dermoscopy images". Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings (2007): 6572-6575. http://www.scopus.com/inward/record.url?eid=2-s2.0-57649203311&partnerID=MN8TOARS.
    10.1109/IEMBS.2007.4353865
  54. Mendonca, T; Marcal, AR; Vieira, A; Nascimento, JC; Silveira, M; Marques, JS; Rozeira, J. "Comparison of segmentation methods for automatic diagnosis of dermoscopy images.". Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference (2007): https://www.authenticus.pt/P-00G-GCB.
  55. Marçal, A.R.S.; Caridade, C.M.R.. "A system for automatic counting the number of collembola individuals on petri disk images". Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 4142 LNCS (2006): 814-822. http://www.scopus.com/inward/record.url?eid=2-s2.0-33749680799&partnerID=MN8TOARS.
  56. Borges, J.S.; Bioucas-Dias, J.M.; Marçal, A.R.S.. "Fast sparse multinomial regression applied to hyperspectral data". Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 4142 LNCS (2006): 700-709. http://www.scopus.com/inward/record.url?eid=2-s2.0-33749657648&partnerID=MN8TOARS.
  57. Marcal, ARS; Castro, L. "Hierarchical clustering of multispectral images using combined spectral and spatial criteria". IEEE GEOSCIENCE AND REMOTE SENSING LETTERS (2005): https://www.authenticus.pt/P-000-5WF.
    10.1109/lgrs.2004.839646
  58. Marçal, A.R.S.; Pereira, P.R.. "A steganographic method for digital images robust to RS steganalysis". Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 3656 LNCS (2005): 1192-1199. http://www.scopus.com/inward/record.url?eid=2-s2.0-33645988833&partnerID=MN8TOARS.
  59. Marçal, A.R.S.. "Automatic color indexing of hierarchically structured classified images". International Geoscience and Remote Sensing Symposium (IGARSS) 7 (2005): 4976-4979. http://www.scopus.com/inward/record.url?eid=2-s2.0-33745700178&partnerID=MN8TOARS.
    10.1109/IGARSS.2005.1526792
  60. Marçal, A.R.S.; Borges, J.S.. "Estimating the natural number of classes on hierarchically clustered multi-spectral images". Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 3656 LNCS (2005): 447-455. http://www.scopus.com/inward/record.url?eid=2-s2.0-33646008534&partnerID=MN8TOARS.
  61. Marçal, A.R.S.; Borges, J.S.. "Estimation of the "natural" number of classes of a multispectral image". International Geoscience and Remote Sensing Symposium (IGARSS) 6 (2005): 3788-3791. http://www.scopus.com/inward/record.url?eid=2-s2.0-33745698355&partnerID=MN8TOARS.
    10.1109/IGARSS.2005.1525733
  62. Marçal, A.R.S.; Borges, J.S.; Gomes, J.A.; Pinto Da Costa, J.F.. "Land cover update by supervised classification of segmented ASTER images". International Journal of Remote Sensing 26 7 (2005): 1347-1362. http://www.scopus.com/inward/record.url?eid=2-s2.0-18544362045&partnerID=MN8TOARS.
    10.1080/01431160412331291233
  63. Marçal, A.R.S.; Castro, L.. "Hierarchical clustering of multispectral images using combined spectral and spatial criteria". IEEE Geoscience and Remote Sensing Letters 2 1 (2005): 59-63. http://www.scopus.com/inward/record.url?eid=2-s2.0-12844273639&partnerID=MN8TOARS.
    10.1109/LGRS.2004.839646
  64. Teodoro, A.C.; Marçal, A.R.S.; Gomes, F.V.. "Evaluation of total suspended matter concentration in wave breaking zone using multispectral satellite images". Proceedings of SPIE - The International Society for Optical Engineering 5569 (2004): 168-175. http://www.scopus.com/inward/record.url?eid=2-s2.0-15944400332&partnerID=MN8TOARS.
    10.1117/12.564275
  65. Marçal, A.R.S.; Nunes, A.; Borges, J.. "AVHRR data processing for near real time applications". Proceedings of SPIE - The International Society for Optical Engineering 5239 (2004): 542-550. http://www.scopus.com/inward/record.url?eid=2-s2.0-1942502857&partnerID=MN8TOARS.
    10.1117/12.510674
  66. Marçal, A.R.S.; Borges, J.. "AVHRR rectification using orbital navigation and image matching". Proceedings of SPIE - The International Society for Optical Engineering 4885 (2002): 13-21. http://www.scopus.com/inward/record.url?eid=2-s2.0-0038627692&partnerID=MN8TOARS.
    10.1117/12.463515
  67. Marçal, A.R.S.; Triebfürst, B.; Schneider, C.; Vaughan, R.A.. "Compression of NOAA/AVHRR data with a wavelet transform". International Journal of Remote Sensing 21 3 (2000): 595-610. http://www.scopus.com/inward/record.url?eid=2-s2.0-0342680032&partnerID=MN8TOARS.
    10.1080/014311600210777
  68. Fernandes, M.J.; Marçal, A.R.S.; Azevedo, J.C.; Santos, A.M.P.; Peliz, A.. "Fisheries monitoring in the CABO Verde region using ERS data". European Space Agency, (Special Publication) ESA SP 461 (2000): 1896-1906. http://www.scopus.com/inward/record.url?eid=2-s2.0-0346730927&partnerID=MN8TOARS.
  69. Marçal, A.R.S.. "A new method for high accuracy navigation of NOAA AVHRR imagery". International Journal of Remote Sensing 20 17 (1999): 3273-3280. http://www.scopus.com/inward/record.url?eid=2-s2.0-17444450759&partnerID=MN8TOARS.
    10.1080/014311699211327
  70. Marçal, A.R.S.; Wright, G.G.. "The use of 'overlapping' NOAA-AVHRR NDVI maximum value composites for Scotland and initial comparisons with the land cover census on a Scottish regional and district basis". International Journal of Remote Sensing 18 3 (1997): 491-503. http://www.scopus.com/inward/record.url?eid=2-s2.0-0031080565&partnerID=MN8TOARS.
    10.1080/014311697218917
  71. Marcal, A.R.S.; Slater, M.T.. "System for near real time processing of NOAA-AVHRR satellite data: application to snow monitoring in Scotland". IEE Conference Publication 443 pt 2 (1997): 546-549. http://www.scopus.com/inward/record.url?eid=2-s2.0-0031355120&partnerID=MN8TOARS.
Activities

Supervision

Thesis Title
Role 		Degree Subject (Type)
Institution / Organization
2018 - 2018 Towards automatic identification of woods from microscopic images
Supervisor
 Engenharia Matemática (Master)
Universidade do Porto Faculdade de Ciências, Portugal
2018 - 2018 Extração Automática de Texto em Imagem/Vídeo
Supervisor
 Engenharia Matemática (Master)
Universidade do Porto Faculdade de Ciências, Portugal
2017 - 2017 Reconhecimento Automático de Sinais de Trânsito em Imagens Digitais
Supervisor
 Engenharia Matemática (Master)
Universidade do Porto Faculdade de Ciências, Portugal
2017 - 2017 Identificação e contagem automática de grãos de pólen
Supervisor
 Engenharia Matemática (Master)
Universidade do Porto Faculdade de Ciências, Portugal
2017 - 2017 Análise Automática de Imagens Pulmonares de Tomografia Computorizada
Supervisor
 Engenharia Matemática (Master)
Universidade do Porto Faculdade de Ciências, Portugal
2015 - 2015 Elaboração de um método semiautomático para detecção do tecido adiposo epicárdico em Imagens de Ressonância Magnética
Supervisor
 Física Médica (Master)
Universidade do Porto Faculdade de Ciências, Portugal
2013 - 2013 Desenvolvimento de sistemas para o reconhecimento automático de padrões biológicos para as diversas plataformas móveis Smartphone
Supervisor
 Engenharia Matemática (Master)
Universidade do Porto Faculdade de Ciências, Portugal
2013 - 2013 Processamento automático de papéis hidrosensíveis através de sistemas SmartPhone
Supervisor
 Engenharia Matemática (Master)
Universidade do Porto Faculdade de Ciências, Portugal
2011 - 2011 Analysis of vegetation dynamics using time-series vegetation index data from Earth Observation Satellites
Supervisor
 Engenharia Geográfica (PhD)
Universidade do Porto Faculdade de Ciências, Portugal
2008 - 2008 Desenvolvimento de Algoritmos e Técnicas de Extracção de Informação em Imagens Biomédicas
Supervisor
 Matemática Aplicada (PhD)
Universidade do Porto Faculdade de Ciências, Portugal
2006 - 2006 Atmospheric Correction Algorithms for Practical Implementation on Multispectral Satellite Images
Supervisor
 Engenharia Geográfica (PhD)
Universidade do Porto Faculdade de Ciências, Portugal
2005 - 2005 Bayesian Hyperspectral Image Segmentation with Discriminative Class Learning
Supervisor
 Interdisciplinar de Ciências (PhD)
Universidade do Porto Faculdade de Ciências, Portugal
Distinctions

Award

2007 Prémio Inovação em Agricultura
Syngenta Crop Protection AG, Switzerland
1999 Remote Sensing Society Student Award - Annual prize for the best PhD
Remote Sensing Society / RSPSoc, United Kingdom