Associate Professor

Federal University of Viçosa
Campus Rio Paranaíba
Brazil

News

• November 6-8, 2024
• Call for papers will open soon. Follow us.
• UFV - Rio Paranaíba - MG.
• WVC'2024 Website
• WVC'2024 Instagram profile
• WVC'2024 X profile

• Slides and Python codes. For the first time bilingual, in Brazilian Portuguese and English.
• SIN 392 - Introduction to digital image processing (2023)

• Ferreira, J.R.L.; Silva, L.H.F.P.; Backes, A.R.; Escarpinati, M.C.; Evaluating multiple combinations of models and encoders to segment clouds in satellite images
• VISAPP 2024 - Rome, Italy
• Link to the paper.

• Mota, G.S.L.; Silva, L.H.F.P.; Rodrigues Moreira, L.F.; Mari, J.F. Classifying pests in crop images using deep learning
• WVC 2023 - Brazil
• Link to the paper.

• Pereira Neto, R.G.; Sousa, P.M.; Rodrigues Moreira, L.F.. Goog God, P.I.V.; Mari, J.F. Enhancing green coffee quality assessment through deep learning
• WVC 2023 - Brazil
• Link to the paper.

• Mota, G.S.L.; Silva, L.H.F.P.; Rodrigues Moreira, L.F.; Mari, J.F. Classifying pests in crop images using deep learning
• WVC 2023 - Brazil
• Link to the paper.

• João F. Mari. GitHub repository.
• Link to GitHub repository.

• Cardoso, V.; Moreira, R.; Mari, J.F., Rodrigues-Moreira, L. Improving Sickle Cell Disease Classification: A Fusion of Conventional Classifiers, Segmented Images, and Convolutional Neural Networks
• ENIAC 2023 - Brazil
• Link to the paper.

• Silva, M.V.; Silva, L.H.F.P.; Dias Junior, J.D.; Escarpinati M.C.; Backes, A. R.; Mari, J. F. Generating synthetic multispectral images using neural style transfer: A study with application in channel alignment
• Link to the paper.

Education and Background

• Federal University of São Carlos, UFSCar - Brazil
• Quantitative Analysis of Rat Dorsal Root Ganglion Neurons Cultured on Microelectrode Arrays Based on Fluorescence Microscopy Image Processing. (Brazilian Portuguese)
• Advisor: Prof. Dr. José Hiroki Saito

• Federal University of São Carlos, UFSCar - Brazil
• Reconstruction of 3D Surfaces from Point Clouds using Self-Organizing Neural Networks. (Brazilian Portuguese)
• Advisor: Prof. Dr. José Hiroki Saito

• UNIVEM - Brazil

Recent Publications

• Generating synthetic multispectral images using neural style transfer: A study with application in channel alignment.
• Silva, M.V.; Silva, L.H.F.P.; Dias Junior, J.D.; Escarpinati M.C.; Backes, A. R.; Mari, J. F.
• Computers and Electronics in Agriculture, 2023.

• Automatic identification of charcoal origin based on deep learning.
• Oliveira Neto, R. R.; Rodrigues, L. F.; Mari, J. F.; Naldi, M. C.; Milagres, E. G.; Vital, B. R.; Carneiro, A. C. O.; Binoti, D. H. B.; Lopes P. F.; Leite H. G.
• Maderas. Ciencia y tecnología, 2021.

• Comparing convolutional neural networks and preprocessing techniques for HEp-2 cell classification in immunofluorescence images.
• Rodrigues, L. F.; Naldi M. C., Mari, J. F.
• Computers in Biology and Medicine, 2019.

• Quantitative Analysis of Rat Dorsal Root Ganglion Neurons Cultured on Microelectrode Arrays Based on Fluorescence Microscopy Image Processing.
• Mari J. F.; Saito, J. H.; Neves, A. F.; Lotufo, C. M. C.; Destro-Filho, J. B.; Nicoletti, M. C.
• International Journal of Neural Systems, 2015.

• Simulated activation patterns of biological neurons cultured onto a multi-electrode array based on a modified izhikevich's model.
• Saito J. S.; Mari, J. F.; Pedrino E.; Destro-Filho, J.B.; Nicoletti M. C.
• Fundamenta Informaticae, 2013.

• Evaluating Multiple Combinations of Models and Encoders to Segment Clouds in Satellite Images.
• Ferreira, J.R.L.; L.H.F.P.; Backes, A.R.; Escarpinati, M.C.; Mari, J.F.
• 19th International Conference on Computer Vision Theory and Applications (VISAPP 2024), Rome - Italy, 2023

• Classifying pests in crop images using deep learning.
• Mota, G.S.L.; Silva, L.H.F.P.; Rodrigues-Moreira, L.R.; Mari, J. F..
• XVIII Workshop de Visão Computacional (WVC). , São Bernardo do Campo - SP, 2023. p. 42-47.

• Enhancing green coffee quality assessment through deep learning.
• Pereira Neto, R.G., de Sousa, P.M.; Rodrigues-Moreira, L.R.; Good-God, P.I.V.; Mari, J. F..
• XVIII Workshop de Visão Computacional (WVC). , São Bernardo do Campo - SP, 2023. p. 84-89.

• Improving Sickle Cell Disease Classification: A Fusion of Conventional Classifiers, Segmented Images, and Convolutional Neural Networks.
• Cardoso, V.; Moreira, R.; Mari, J.F., Rodrigues-Moreira, L.F.
• Anais do Encontro Nacional de Inteligência Artificial e Computacional (ENIAC) 2023. Belo Horizonte - MG - Brazil, 2023.

• Evaluation of U-Net backbones for cloud segmentation in satellite images.
• Arakaki, L.G.M.; Silva, L.H.F.P., Silva; M.V.; Melo, B.M.; Backes, A.R.; Escarpinati, M.C.; Mari, J.F.
• 18th International Conference on Computer Vision Theory and Applications (VISAPP 2023), <\b> Lisbon - Portugal, 2023

• Leukocytes classification in microscopy images for acute lymphoblastic leukemia identification. (Brazilian Portuguese)
• Rodrigues, L.F.; Silva, J.H.; Gondin, P.H.C.C.; Mari, J.F.
• XII Workshop de Visão Computacional (WVC). Campo Grande - MS, 2016. p. 334-338.

Research

• [2022-08-01 - now] Analysis of satellite images with applications in precision agriculture

• [2021-09-01 - now] Development and evaluation of an automated system for analyzing and processing soybean seeds

• [2020-08-01 - now] Pre-processing, correction and registration of agricultural images obtained by unmanned aerial vehicles

• [2017-08 - 2018-07] Application of computational methods for analysis of water stress in plantations through thermal imaging

• [2018-08 - 2022-07] Study of convolutional neural networks for classifying objects in microscopy images

• [2016-08 - 2016-08] HEP-2 Cell Image Classification using convolutional neural networks enhanced by evolutionary algorithms

• [2016-08 - 2018-07] Cell segmentation methods in microscopy images based on the watershed transform

Teaching

• [2023] SIN 393 - Introduction to computer vision. (Under development...)

• [2023] SIN 392 - Introduction to digital image processing. (English and Brazilian Portuguese)

• [2023] SIN 251 - Computer organization. (Brazilian Portuguese)

• [2022-2] SIN 393 - Introduction to computer vision. (Brazilian Portuguese)

• [2022-1] SIN 392 - Introduction to digital image processing. (Brazilian Portuguese)

• [2021-2] SIN 252 - Computer architecture. (Brazilian Portuguese)

• [2021-2] SIN 251 - Computer organization. (Brazilian Portuguese)

• [2021-1] SIN 131 - Introduction to computer theory. (Brazilian Portuguese)

• [2020-2] SIN 392 - Introduction to digital image processing. (Brazilian Portuguese)

• [2019-2] SIN 393 - Introduction to computer vision. (Brazilian Portuguese)

• [2018-2] SIN 393 - Introduction to computer vision. (Brazilian Portuguese)

Awards

• BEST PAPER AWARD:
• Classifying pests in crop images using deep learning.
• Mota, G.S.L.; Silva, L.H.F.P.; Rodrigues Moreira, L.F.; Mari, J.F.
• XVIII Workshop de Visão Computacional (WVC). S. B. do Campo - SP, 2022.
• Article in the UFV portal. (Brazilian Portuguese)

• BEST PAPER AWARD:
• Cell classification using handcrafted features and bag of visual words.
• Faria, L.C.; Rodrigues, L.F.; Mari, J.F.
• XIV Workshop de Visão Computacional (WVC). Ilhéus - BA, 2018.

• BEST POSTER AWARD:
• Improving the definition of markers for the watershed transform by combining h-maxima transform and convex-hull.
• Gonçalves, W.F.; Rodrigues, R.J.; Mari, J.F.
• XIII Workshop de Visão Computacional (WVC). Natal - RN, 2017.
• Article in the UFV portal. (Brazilian Portuguese)

Contact

“An expert is a person who has made all the mistakes that can be made in a very narrow field.” - Niels Bohr.

Last updated in 2024-06-18

My old website (Brazilian Portuguese)