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Breast cancer is among the most deadly diseases, distressing mostly women worldwide. Although traditional methods for detection have presented themselves as valid for the task, they still commonly present low accuracies and demand…

Machine Learning · Computer Science 2021-01-15 Leandro Aparecido Passos , Danilo Samuel Jodas , Luiz C. F. Ribeiro , Thierry Pinheiro , João P. Papa

Esophageal adenocarcinoma arises from Barrett's esophagus, which is the most serious complication of gastroesophageal reflux disease. Strategies for screening involve periodic surveillance and tissue biopsies. A major challenge in such…

Computer Vision and Pattern Recognition · Computer Science 2016-10-14 Anant S. Vemuri , Stephane A. Nicolau , Jacques Marescaux , Luc Soler , Nicholas Ayache

Probabilistic-driven classification techniques extend the role of traditional approaches that output labels (usually integer numbers) only. Such techniques are more fruitful when dealing with problems where one is not interested in…

Computer Vision and Pattern Recognition · Computer Science 2016-09-06 Silas E. N. Fernandes , Danillo R. Pereira , Caio C. O. Ramos , Andre N. Souza , Joao P. Papa

Diagnostic codes for Barrett's esophagus (BE), a precursor to esophageal cancer, lack granularity and precision for many research or clinical use cases. Laborious manual chart review is required to extract key diagnostic phenotypes from BE…

Barrett's oesophagus (BE) is one of the early indicators of esophageal cancer. Patients with BE are monitored and undergo ablation therapies to minimise the risk, thereby making it eminent to identify the BE area precisely. Automated…

Image and Video Processing · Electrical Eng. & Systems 2020-12-11 Numan Celik , Soumya Gupta , Sharib Ali , Jens Rittscher

Machine Learning has attracted considerable attention throughout the past decade due to its potential to solve far-reaching tasks, such as image classification, object recognition, anomaly detection, and data forecasting. A standard…

Machine Learning · Computer Science 2022-02-09 Gustavo Henrique de Rosa , Mateus Roder , João Paulo Papa

Early detection of Barrett's Esophagus (BE), the only known precursor to Esophageal adenocarcinoma (EAC), is crucial for effectively preventing and treating esophageal cancer. In this work, we investigate the potential of geometric…

Image and Video Processing · Electrical Eng. & Systems 2025-06-17 Vivien van Veldhuizen , Sharvaree Vadgama , Onno J. de Boer , Sybren Meijer , Erik J. Bekkers

Background and Aim: Over-fitting issue has been the reason behind deep learning technology not being successfully implemented in oral cancer images classification. The aims of this research were reducing overfitting for accurately producing…

Image and Video Processing · Electrical Eng. & Systems 2022-08-17 Prakrit Joshi , Omar Hisham Alsadoon , Abeer Alsadoon , Nada AlSallami , Tarik A. Rashid , P. W. C. Prasad , Sami Haddad

We present a classification method with incremental capabilities based on the Optimum-Path Forest classifier (OPF). The OPF considers instances as nodes of a fully-connected training graph, arc weights represent distances between two…

Machine Learning · Computer Science 2019-08-02 Moacir Ponti , Mateus Riva

Deep learning technologies such as convolutional neural networks (CNN) provide powerful methods for image recognition and have recently been employed in the field of automated carcinoma detection in confocal laser endomicroscopy (CLE)…

Computer Vision and Pattern Recognition · Computer Science 2020-01-06 Marc Aubreville , Miguel Goncalves , Christian Knipfer , Nicolai Oetter , Tobias Wuerfl , Helmut Neumann , Florian Stelzle , Christopher Bohr , Andreas Maier

The paper posits a computationally-efficient algorithm for multi-class facial image classification in which images are constrained with translation, rotation, scale, color, illumination and affine distortion. The proposed method is divided…

Computer Vision and Pattern Recognition · Computer Science 2021-04-05 A Vinay , Aviral Joshi , Hardik Mahipal Surana , Harsh Garg , K N BalasubramanyaMurthy , S Natarajan

Lung cancer tends to be detected at an advanced stage, resulting in a high patient mortality rate. Thus, much recent research has focused on early disease detection Bronchoscopy is the procedure of choice for an effective noninvasive way of…

Image and Video Processing · Electrical Eng. & Systems 2023-05-24 Qi Chang , Danish Ahmad , Jennifer Toth , Rebecca Bascom , William E. Higgins

Radiation therapy has emerged as one of the preferred techniques to treat brain cancer patients. During treatment, a very high dose of radiation is delivered to a very narrow area. Prescribed radiation therapy for brain cancer requires…

Computer Vision and Pattern Recognition · Computer Science 2017-04-06 Jose Dolz , Nicolas Reyns , Nacim Betrouni , Dris Kharroubi , Mathilde Quidet , Laurent Massoptier , Maximilien Vermandel

Extensive research has produced robust methods for unsupervised data visualization. Yet supervised visualization$\unicode{x2013}$where expert labels guide representations$\unicode{x2013}$remains underexplored, as most supervised approaches…

Machine Learning · Computer Science 2025-05-20 Adrien Aumon , Shuang Ni , Myriam Lizotte , Guy Wolf , Kevin R. Moon , Jake S. Rhodes

Deep learning-based methods, such as the sliding window approach for cropped-image classification and heuristic aggregation for whole-slide inference, for analyzing histological patterns in high-resolution microscopy images have shown…

Image and Video Processing · Electrical Eng. & Systems 2019-12-05 Naofumi Tomita , Behnaz Abdollahi , Jason Wei , Bing Ren , Arief Suriawinata , Saeed Hassanpour

Molecular data from tumor profiles is high dimensional. Tumor profiles can be characterized by tens of thousands of gene expression features. Due to the size of the gene expression feature set machine learning methods are exposed to noisy…

Machine Learning · Computer Science 2020-07-14 Martin Palazzo , Pierre Beauseroy , Patricio Yankilevich

Accurate classification of brain tumors from magnetic resonance imaging (MRI) plays a critical role in early diagnosis and effective treatment planning. In this study, we propose a deep learning framework based on Vision Transformers (ViT)…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Faisal Ahmed

Bag-of-Visual Words (BoVW) and deep learning techniques have been widely used in several domains, which include computer-assisted medical diagnoses. In this work, we are interested in developing tools for the automatic identification of…

Artificial Intelligence · Computer Science 2021-02-19 Luis C. S. Afonso , Clayton R. Pereira , Silke A. T. Weber , Christian Hook , Alexandre X. Falcão , João P. Papa

Oral cancer constitutes a significant global health concern, resulting in 277,484 fatalities in 2023, with the highest prevalence observed in low- and middle-income nations. Facilitating automation in the detection of possibly malignant and…

Image and Video Processing · Electrical Eng. & Systems 2025-01-03 Hirthik Mathesh GV , Kavin Chakravarthy M , Sentil Pandi S

This paper introduces Weighted Optimal Classification Forests (WOCFs), a new family of classifiers that takes advantage of an optimal ensemble of decision trees to derive accurate and interpretable classifiers. We propose a novel…

Optimization and Control · Mathematics 2024-12-02 Víctor Blanco , Alberto Japón , Justo Puerto , Peter Zhang
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