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One of the most challenges in medical imaging is the lack of data and annotated data. It is proven that classical segmentation methods such as U-NET are useful but still limited due to the lack of annotated data. Using a weakly supervised…

Image and Video Processing · Electrical Eng. & Systems 2020-03-20 Amine Amyar , Romain Modzelewski , Pierre Vera , Vincent Morard , Su Ruan

Weakly-supervised medical image segmentation is a challenging task that aims to reduce the annotation cost while keep the segmentation performance. In this paper, we present a novel framework, SimTxtSeg, that leverages simple text cues to…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Yuxin Xie , Tao Zhou , Yi Zhou , Geng Chen

Weakly supervised learning has emerged as an appealing alternative to alleviate the need for large labeled datasets in semantic segmentation. Most current approaches exploit class activation maps (CAMs), which can be generated from…

Computer Vision and Pattern Recognition · Computer Science 2022-01-17 Gaurav Patel , Jose Dolz

Medical experts often manually segment images to obtain diagnostic statistics and discard the resulting annotations. We aim to train segmentation models to alleviate this burden, but constrained to the retained summary statistics (e.g., the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-06 Omkar Kulkarni , Edward Raff , Tim Oates

3D weakly supervised semantic segmentation (3D WSSS) aims to achieve semantic segmentation by leveraging sparse or low-cost annotated data, significantly reducing reliance on dense point-wise annotations. Previous works mainly employ class…

Computer Vision and Pattern Recognition · Computer Science 2025-10-22 Xiaoxu Xu , Xuexun Liu , Jinlong Li , Yitian Yuan , Qiudan Zhang , Lin Ma , Nicu Sebe , Xu Wang

Weakly supervised semantic segmentation has been a subject of increased interest due to the scarcity of fully annotated images. We introduce a new approach for solving weakly supervised semantic segmentation with deep Convolutional Neural…

Computer Vision and Pattern Recognition · Computer Science 2018-07-25 Rania Briq , Michael Moeller , Juergen Gall

Autonomous robotic systems applied to new domains require an abundance of expensive, pixel-level dense labels to train robust semantic segmentation models under full supervision. This study proposes a model-agnostic Depth Edge Alignment…

Computer Vision and Pattern Recognition · Computer Science 2026-01-16 Patrick Schmidt , Vasileios Belagiannis , Lazaros Nalpantidis

Weakly supervised image segmentation (WSSS) from image tags remains challenging due to its under-constraint nature. Most mainstream work focus on the extraction of class activation map (CAM) and imposing various additional regularization.…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Xuanrui Zeng

Accurately segmenting and individualizing cells in SEM images is a highly promising technique for elucidating tissue architecture in oncology. While current AI-based methods are effective, errors persist, necessitating time-consuming manual…

Image and Video Processing · Electrical Eng. & Systems 2025-04-11 Florian Robert , Alexia Calovoulos , Laurent Facq , Fanny Decoeur , Etienne Gontier , Christophe F. Grosset , Baudouin Denis de Senneville

In this paper, we propose a simple but effective message passing method to improve the boundary quality for the semantic segmentation result. Inspired by the generated sharp edges of superpixel blocks, we employ superpixel to guide the…

Computer Vision and Pattern Recognition · Computer Science 2021-12-06 Jie Zhu , Huabin Huang , Banghuai Li , Yong Liu , Leye Wang

Weakly supervised semantic segmentation (WSSS), a fundamental computer vision task, which aims to segment out the object within only class-level labels. The traditional methods adopt the CNN-based network and utilize the class activation…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Jingliang Deng , Zonghan Li

Image segmentation is a fundamental task in the field of imaging and vision. Supervised deep learning for segmentation has achieved unparalleled success when sufficient training data with annotated labels are available. However, annotation…

Image and Video Processing · Electrical Eng. & Systems 2023-04-10 Hongrun Zhang , Liam Burrows , Yanda Meng , Declan Sculthorpe , Abhik Mukherjee , Sarah E Coupland , Ke Chen , Yalin Zheng

We introduce a purely feed-forward architecture for semantic segmentation. We map small image elements (superpixels) to rich feature representations extracted from a sequence of nested regions of increasing extent. These regions are…

Computer Vision and Pattern Recognition · Computer Science 2014-12-03 Mohammadreza Mostajabi , Payman Yadollahpour , Gregory Shakhnarovich

Digital pathology involves converting physical tissue slides into high-resolution Whole Slide Images (WSIs), which pathologists analyze for disease-affected tissues. However, large histology slides with numerous microscopic fields pose…

Image and Video Processing · Electrical Eng. & Systems 2024-02-19 Mobina Mansoori , Sajjad Shahabodini , Jamshid Abouei , Arash Mohammadi , Konstantinos N. Plataniotis

Throughout the world, breast cancer is one of the leading causes of female death. Recently, deep learning methods are developed to automatically grade breast cancer of histological slides. However, the performance of existing deep learning…

Computer Vision and Pattern Recognition · Computer Science 2022-03-09 Yanyuet Man , Xiangyun Ding , Xingcheng Yao , Han Bao

We address the problem of weakly-supervised semantic segmentation (WSSS) using bounding box annotations. Although object bounding boxes are good indicators to segment corresponding objects, they do not specify object boundaries, making it…

Computer Vision and Pattern Recognition · Computer Science 2021-04-05 Youngmin Oh , Beomjun Kim , Bumsub Ham

Histopathology image segmentation is the gold standard for diagnosing cancer, and can indicate cancer prognosis. However, histopathology image segmentation requires high-quality masks, so many studies now use imagelevel labels to achieve…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Liangrui Pan , Lian Wang , Zhichao Feng , Liwen Xu , Shaoliang Peng

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

Often in medical imaging, it is prohibitively challenging to produce enough boundary annotations to train deep neural networks for accurate tumor segmentation. We propose the use of weak labels about whether an image presents tumor or…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Eugene Vorontsov , Pavlo Molchanov , Christopher Beckham , Jan Kautz , Samuel Kadoury

Few-shot semantic segmentation addresses the learning task in which only few images with ground truth pixel-level labels are available for the novel classes of interest. One is typically required to collect a large mount of data (i.e., base…

Computer Vision and Pattern Recognition · Computer Science 2021-11-03 Yuan-Hao Lee , Fu-En Yang , Yu-Chiang Frank Wang