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Multiple Instance Learning (MIL) is a widely employed framework for learning on gigapixel whole-slide images (WSIs) from WSI-level annotations. In most MIL based analytical pipelines for WSI-level analysis, the WSIs are often divided into…

Computer Vision and Pattern Recognition · Computer Science 2022-11-01 Imaad Zaffar , Guillaume Jaume , Nasir Rajpoot , Faisal Mahmood

Learning from bounding-boxes annotations has shown great potential in weakly-supervised 3D point cloud instance segmentation. However, we observed that existing methods would suffer severe performance degradation with perturbed bounding box…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Qingtao Yu , Heming Du , Chen Liu , Xin Yu

Automatic medical image segmentation is a fundamental step in computer-aided diagnosis, yet fully supervised approaches demand extensive pixel-level annotations that are costly and time-consuming. To alleviate this burden, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Lei Shi , Gang Li , Junxing Zhang

Multiple instance learning (MIL) models have achieved remarkable success in analyzing whole slide images (WSIs) for disease classification problems. However, with regard to gigapixel WSI classification problems, current MIL models are often…

Computer Vision and Pattern Recognition · Computer Science 2023-12-14 Ziyu Su , Mostafa Rezapour , Usama Sajjad , Metin Nafi Gurcan , Muhammad Khalid Khan Niazi

Nodule segmentation from breast ultrasound images is challenging yet essential for the diagnosis. Weakly-supervised segmentation (WSS) can help reduce time-consuming and cumbersome manual annotation. Unlike existing weakly-supervised…

Computer Vision and Pattern Recognition · Computer Science 2021-08-03 Yuhao Huang , Xin Yang , Yuxin Zou , Chaoyu Chen , Jian Wang , Haoran Dou , Nishant Ravikumar , Alejandro F Frangi , Jianqiao Zhou , Dong Ni

Object category localization is a challenging problem in computer vision. Standard supervised training requires bounding box annotations of object instances. This time-consuming annotation process is sidestepped in weakly supervised…

Computer Vision and Pattern Recognition · Computer Science 2016-05-30 Ramazan Gokberk Cinbis , Jakob Verbeek , Cordelia Schmid

Semantic segmentation has achieved huge progress via adopting deep Fully Convolutional Networks (FCN). However, the performance of FCN based models severely rely on the amounts of pixel-level annotations which are expensive and…

Computer Vision and Pattern Recognition · Computer Science 2019-04-29 Chunfeng Song , Yan Huang , Wanli Ouyang , Liang Wang

Weakly supervised instance labeling using only image-level labels, in lieu of expensive fine-grained pixel annotations, is crucial in several applications including medical image analysis. In contrast to conventional instance segmentation…

Computer Vision and Pattern Recognition · Computer Science 2019-07-31 Jayaraman J. Thiagarajan , Satyananda Kashyap , Alexandros Karagyris

Multiple instance learning (MIL) is a framework for weakly supervised classification, where labels are assigned to sets of instances, i.e., bags, rather than to individual data points. This paradigm has proven effective in tasks where…

Machine Learning · Computer Science 2026-03-03 Salome Kazeminia , Carsten Marr , Bastian Rieck

Humans have a strong class-agnostic object segmentation ability and can outline boundaries of unknown objects precisely, which motivates us to propose a box-supervised class-agnostic object segmentation (BoxCaseg) based solution for…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Xinggang Wang , Jiapei Feng , Bin Hu , Qi Ding , Longjin Ran , Xiaoxin Chen , Wenyu Liu

In many review classification applications, a fine-grained analysis of the reviews is desirable, because different segments (e.g., sentences) of a review may focus on different aspects of the entity in question. However, training supervised…

Machine Learning · Computer Science 2019-10-02 Giannis Karamanolakis , Daniel Hsu , Luis Gravano

Limited by expensive pixel-level labels, polyp segmentation models are plagued by data shortage and suffer from impaired generalization. In contrast, polyp bounding box annotations are much cheaper and more accessible. Thus, to reduce…

Computer Vision and Pattern Recognition · Computer Science 2023-07-21 Jun Wei , Yiwen Hu , Shuguang Cui , S. Kevin Zhou , Zhen Li

Given the special situation of modeling gigapixel images, multiple instance learning (MIL) has become one of the most important frameworks for Whole Slide Image (WSI) classification. In current practice, most MIL networks often face two…

Computer Vision and Pattern Recognition · Computer Science 2024-01-11 Pei Liu , Luping Ji , Xinyu Zhang , Feng Ye

The problem of image segmentation is known to become particularly challenging in the case of partial occlusion of the object(s) of interest, background clutter, and the presence of strong noise. To overcome this problem, the present paper…

Computer Vision and Pattern Recognition · Computer Science 2010-06-15 Robert Sheng Xu , Oleg Michailovich , Magdy Salama

Achieving tight bounding boxes of a shape while guaranteeing complete boundness is an essential task for efficient geometric operations and unsupervised semantic part detection. But previous methods fail to achieve both full coverage and…

Computer Vision and Pattern Recognition · Computer Science 2023-12-04 Chanhyeok Park , Minhyuk Sung

This work provides a simple approach to discover tight object bounding boxes with only image-level supervision, called Tight box mining with Surrounding Segmentation Context (TS2C). We observe that object candidates mined through current…

Computer Vision and Pattern Recognition · Computer Science 2018-07-16 Yunchao Wei , Zhiqiang Shen , Bowen Cheng , Honghui Shi , Jinjun Xiong , Jiashi Feng , Thomas Huang

Multiple Instance Learning (MIL) has demonstrated promise in Whole Slide Image (WSI) classification. However, a major challenge persists due to the high computational cost associated with processing these gigapixel images. Existing methods…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Hongyi Wang , Luyang Luo , Fang Wang , Ruofeng Tong , Yen-Wei Chen , Hongjie Hu , Lanfen Lin , Hao Chen

Weakly supervised semantic segmentation with only image-level labels saves large human effort to annotate pixel-level labels. Cutting-edge approaches rely on various innovative constraints and heuristic rules to generate the masks for every…

Computer Vision and Pattern Recognition · Computer Science 2020-01-31 Junsong Fan , Zhaoxiang Zhang , Tieniu Tan , Chunfeng Song , Jun Xiao

Whole slide image (WSI) assessment is a challenging and crucial step in cancer diagnosis and treatment planning. WSIs require high magnifications to facilitate sub-cellular analysis. Precise annotations for patch- or even pixel-level…

Computer Vision and Pattern Recognition · Computer Science 2023-11-20 Simon Holdenried-Krafft , Peter Somers , Ivonne A. Montes-Majarro , Diana Silimon , Cristina Tarín , Falko Fend , Hendrik P. A. Lensch

We have witnessed remarkable progress in foundation models in vision tasks. Currently, several recent works have utilized the segmenting anything model (SAM) to boost the segmentation performance in medical images, where most of them focus…

Computer Vision and Pattern Recognition · Computer Science 2025-03-07 Haoran Wang , Lian Huai , Wenbin Li , Lei Qi , Xingqun Jiang , Yinghuan Shi