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Medical image annotation is essential for diagnosing diseases, yet manual annotation is time-consuming, costly, and prone to variability among experts. To address these challenges, we propose an automated explainable annotation system that…

Computer Vision and Pattern Recognition · Computer Science 2025-02-26 Basma Nasir , Tehseen Zia , Muhammad Nawaz , Catarina Moreira

Deep learning techniques for 3D brain vessel image segmentation have not been as successful as in the segmentation of other organs and tissues. This can be explained by two factors. First, deep learning techniques tend to show poor…

Computer Vision and Pattern Recognition · Computer Science 2021-11-04 Vien Ngoc Dang , Francesco Galati , Rosa Cortese , Giuseppe Di Giacomo , Viola Marconetto , Prateek Mathur , Karim Lekadir , Marco Lorenzi , Ferran Prados , Maria A. Zuluaga

While there have been increased researches using deep learning techniques for the extraction of vascular structure from the 2D en face OCTA, for such approach, it is known that the data annotation process on the curvilinear structure like…

This study presents a novel deep learning architecture for multi-class classification and localization of abnormalities in medical imaging illustrated through experiments on mammograms. The proposed network combines two learning branches.…

Computer Vision and Pattern Recognition · Computer Science 2020-10-14 Ran Bakalo , Jacob Goldberger , Rami Ben-Ari

Most uses of Meta-Learning in visual recognition are very often applied to image classification, with a relative lack of works in other tasks {such} as segmentation and detection. We propose a generic Meta-Learning framework for few-shot…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Hugo Oliveira , Pedro H. T. Gama , Isabelle Bloch , Roberto Marcondes Cesar

Learning from sparse labels is a challenge commonplace in the medical domain. This is due to numerous factors, such as annotation cost, and is especially true for newly introduced tasks. When dense pixel-level annotations are needed, this…

Despite significant advancements, segmentation based on deep neural networks in medical and surgical imaging faces several challenges, two of which we aim to address in this work. First, acquiring complete pixel-level segmentation labels…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Junwen Wang , Zhonghao Wang , Oscar MacCormac , Jonathan Shapey , Tom Vercauteren

Human body part segmentation refers to the task of predicting the semantic segmentation mask for each body part. Fully supervised body part segmentation methods achieve good performances but require an enormous amount of effort to annotate…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Zhengyuan Yang , Yuncheng Li , Linjie Yang , Ning Zhang , Jiebo Luo

Weakly-supervised action segmentation is a task of learning to partition a long video into several action segments, where training videos are only accompanied by transcripts (ordered list of actions). Most of existing methods need to infer…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Angchi Xu , Wei-Shi Zheng

Precise identification of multiple cell classes in high-resolution Giga-pixel whole slide imaging (WSI) is critical for various clinical scenarios. Building an AI model for this purpose typically requires pixel-level annotations, which are…

Image and Video Processing · Electrical Eng. & Systems 2023-08-14 Xueyuan Li , Ruining Deng , Yucheng Tang , Shunxing Bao , Haichun Yang , Yuankai Huo

Image segmentation is one of the most essential biomedical image processing problems for different imaging modalities, including microscopy and X-ray in the Internet-of-Medical-Things (IoMT) domain. However, annotating biomedical images is…

Computer Vision and Pattern Recognition · Computer Science 2021-01-25 Ziyuan Zhao , Zeng Zeng , Kaixin Xu , Cen Chen , Cuntai Guan

Weakly supervised semantic segmentation (WSSS) aims to bypass the need for laborious pixel-level annotation by using only image-level annotation. Most existing methods rely on Class Activation Maps (CAM) to derive pixel-level pseudo-labels…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Tianle Chen , Zheda Mai , Ruiwen Li , Wei-lun Chao

Weakly supervised segmentation methods can delineate thyroid nodules in ultrasound images efficiently using training data with coarse labels, but suffer from: 1) low-confidence pseudo-labels that follow topological priors, introducing…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Jianning Chi , Zelan Li , Geng Lin , MingYang Sun , Xiaosheng Yu

Advancements in clinical treatment are increasingly constrained by the limitations of supervised learning techniques, which depend heavily on large volumes of annotated data. The annotation process is not only costly but also demands…

Computer Vision and Pattern Recognition · Computer Science 2024-05-20 Pranav Singh , Raviteja Chukkapalli , Shravan Chaudhari , Luoyao Chen , Mei Chen , Jinqian Pan , Craig Smuda , Jacopo Cirrone

Weakly-supervised object localization methods tend to fail for object classes that consistently co-occur with the same background elements, e.g. trains on tracks. We propose a method to overcome these failures by adding a very small amount…

Computer Vision and Pattern Recognition · Computer Science 2016-05-19 Alexander Kolesnikov , Christoph H. Lampert

Image segmentation methods are usually trained with pixel-level annotations, which require significant human effort to collect. The most common solution to address this constraint is to implement weakly-supervised pipelines trained with…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 Miriam Bellver , Amaia Salvador , Jordi Torres , Xavier Giro-i-Nieto

To minimize the annotation costs associated with the training of semantic segmentation models, researchers have extensively investigated weakly-supervised segmentation approaches. In the current weakly-supervised segmentation methods, the…

Computer Vision and Pattern Recognition · Computer Science 2019-11-13 Wataru Shimoda , Keiji Yanai

CNN visualization and interpretation methods, like class-activation maps (CAMs), are typically used to highlight the image regions linked to class predictions. These models allow to simultaneously classify images and extract class-dependent…

Computer Vision and Pattern Recognition · Computer Science 2020-11-17 Soufiane Belharbi , Ismail Ben Ayed , Luke McCaffrey , Eric Granger

Contemporary domain adaptive semantic segmentation aims to address data annotation challenges by assuming that target domains are completely unannotated. However, annotating a few target samples is usually very manageable and worthwhile…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Jiaxing Huang , Dayan Guan , Aoran Xiao , Shijian Lu

High-quality pixel-level annotations of medical images are essential for supervised segmentation tasks, but obtaining such annotations is costly and requires medical expertise. To address this challenge, we propose a novel coarse-to-fine…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Anghong Du , Nay Aung , Theodoros N. Arvanitis , Stefan K. Piechnik , Joao A C Lima , Steffen E. Petersen , Le Zhang