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Remote sensing (RS) involves the acquisition of data about objects or areas from a distance, primarily to monitor environmental changes, manage resources, and support planning and disaster response. A significant challenge in RS…

Computer Vision and Pattern Recognition · Computer Science 2024-11-15 Hui Ye , Haodong Chen , Xiaoming Chen , Vera Chung

Vision-grounded medical report generation aims to produce clinically accurate descriptions of medical images, anchored in explicit visual evidence to improve interpretability and facilitate integration into clinical workflows. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Longzhen Yang , Zhangkai Ni , Ying Wen , Yihang Liu , Lianghua He , Heng Tao Shen

Label scarcity in a graph is frequently encountered in real-world applications due to the high cost of data labeling. To this end, semi-supervised domain adaptation (SSDA) on graphs aims to leverage the knowledge of a labeled source graph…

Machine Learning · Computer Science 2024-04-05 Jiaren Xiao , Quanyu Dai , Xiao Shen , Xiaochen Xie , Jing Dai , James Lam , Ka-Wai Kwok

Recently, prototype learning has emerged in semi-supervised medical image segmentation and achieved remarkable performance. However, the scarcity of labeled data limits the expressiveness of prototypes in previous methods, potentially…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Lijian Li

Self-supervised learning of graph neural networks (GNN) is in great need because of the widespread label scarcity issue in real-world graph/network data. Graph contrastive learning (GCL), by training GNNs to maximize the correspondence…

Machine Learning · Computer Science 2021-11-04 Susheel Suresh , Pan Li , Cong Hao , Jennifer Neville

Graph Contrastive Learning (GCL) has proven highly effective in promoting the performance of Semi-Supervised Node Classification (SSNC). However, existing GCL methods are generally transferred from other fields like CV or NLP, whose…

Machine Learning · Computer Science 2022-04-28 Deli Chen , Yankai Lin , Lei Li , Xuancheng Ren , Peng Li , Jie Zhou , Xu Sun

Deep learning has shown remarkable success in medical image analysis, but its reliance on large volumes of high-quality labeled data limits its applicability. While noisy labeled data are easier to obtain, directly incorporating them into…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Chengxuan Qian , Kai Han , Jianxia Ding , Chongwen Lyu , Zhenlong Yuan , Jun Chen , Zhe Liu

Contrastive Learning (CL) is a recent representation learning approach, which encourages inter-class separability and intra-class compactness in learned image representations. Since medical images often contain multiple semantic classes in…

Computer Vision and Pattern Recognition · Computer Science 2021-08-09 Prashant Pandey , Ajey Pai , Nisarg Bhatt , Prasenjit Das , Govind Makharia , Prathosh AP , Mausam

Medical image segmentation is a critical yet challenging task, primarily due to the difficulty of obtaining extensive datasets of high-quality, expert-annotated images. Contrastive learning presents a potential but still problematic…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Shuang Zeng , Lei Zhu , Xinliang Zhang , Hangzhou He , Yanye Lu

Medical image segmentation annotations exhibit variations among experts due to the ambiguous boundaries of segmented objects and backgrounds in medical images. Although using multiple annotations for each image in the fully-supervised has…

Computer Vision and Pattern Recognition · Computer Science 2023-11-20 Shuai Wang , Tengjin Weng , Jingyi Wang , Yang Shen , Zhidong Zhao , Yixiu Liu , Pengfei Jiao , Zhiming Cheng , Yaqi Wang

Standard segmentation of medical images based on full-supervised convolutional networks demands accurate dense annotations. Such learning framework is built on laborious manual annotation with restrict demands for expertise, leading to…

Computer Vision and Pattern Recognition · Computer Science 2020-10-26 Liyan Sun , Jianxiong Wu , Xinghao Ding , Yue Huang , Guisheng Wang , Yizhou Yu

Traditional supervised 3D medical image segmentation models need voxel-level annotations, which require huge human effort, time, and cost. Semi-supervised learning (SSL) addresses this limitation of supervised learning by facilitating…

Image and Video Processing · Electrical Eng. & Systems 2024-07-09 Suruchi Kumari , Aryan Das , Swalpa Kumar Roy , Indu Joshi , Pravendra Singh

Supervised deep learning needs a large amount of labeled data to achieve high performance. However, in medical imaging analysis, each site may only have a limited amount of data and labels, which makes learning ineffective. Federated…

Image and Video Processing · Electrical Eng. & Systems 2022-08-09 Yawen Wu , Dewen Zeng , Zhepeng Wang , Yiyu Shi , Jingtong Hu

Medical data often exhibits long-tail distributions with heavy class imbalance, which naturally leads to difficulty in classifying the minority classes (i.e., boundary regions or rare objects). Recent work has significantly improved…

Computer Vision and Pattern Recognition · Computer Science 2023-07-19 Chenyu You , Weicheng Dai , Yifei Min , Lawrence Staib , Jasjeet S. Sekhon , James S. Duncan

A large labeled dataset is a key to the success of supervised deep learning, but for medical image segmentation, it is highly challenging to obtain sufficient annotated images for model training. In many scenarios, unannotated images are…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Hao Zheng , Jun Han , Hongxiao Wang , Lin Yang , Zhuo Zhao , Chaoli Wang , Danny Z. Chen

This paper presents SimCLR: a simple framework for contrastive learning of visual representations. We simplify recently proposed contrastive self-supervised learning algorithms without requiring specialized architectures or a memory bank.…

Machine Learning · Computer Science 2020-07-02 Ting Chen , Simon Kornblith , Mohammad Norouzi , Geoffrey Hinton

Semi-supervised learning has gained considerable popularity in medical image segmentation tasks due to its capability to reduce reliance on expert-examined annotations. Several mean-teacher (MT) based semi-supervised methods utilize…

Computer Vision and Pattern Recognition · Computer Science 2025-08-13 Kaiwen Huang , Tao Zhou , Huazhu Fu , Yizhe Zhang , Yi Zhou , Xiao-Jun Wu

With fully leveraging the value of unlabeled data, semi-supervised medical image segmentation algorithms significantly reduces the limitation of limited labeled data, achieving a significant improvement in accuracy. However, the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Jialu Zhou , Dianxi Shi , Shaowu Yang , Chunping Qiu , Luoxi Jing , Mengzhu Wang

Using deep learning, we now have the ability to create exceptionally good semantic segmentation systems; however, collecting the prerequisite pixel-wise annotations for training images remains expensive and time-consuming. Therefore, it…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Aneesh Rangnekar , Christopher Kanan , Matthew Hoffman

As research interests in medical image analysis become increasingly fine-grained, the cost for extensive annotation also rises. One feasible way to reduce the cost is to annotate with coarse-grained superclass labels while using limited…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Linrui Dai , Wenhui Lei , Xiaofan Zhang