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Medical image segmentation, or computing voxelwise semantic masks, is a fundamental yet challenging task to compute a voxel-level semantic mask. To increase the ability of encoder-decoder neural networks to perform this task across large…

Computer Vision and Pattern Recognition · Computer Science 2021-11-10 Ho Hin Lee , Yucheng Tang , Qi Yang , Xin Yu , Shunxing Bao , Leon Y. Cai , Lucas W. Remedios , Bennett A. Landman , Yuankai Huo

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

Improving a semi-supervised image segmentation task has the option of adding more unlabelled images, labelling the unlabelled images or combining both, as neither image acquisition nor expert labelling can be considered trivial in most…

Image and Video Processing · Electrical Eng. & Systems 2019-08-23 Yunguan Fu , Maria R. Robu , Bongjin Koo , Crispin Schneider , Stijn van Laarhoven , Danail Stoyanov , Brian Davidson , Matthew J. Clarkson , Yipeng Hu

This paper explores the transfer of knowledge from general vision models pretrained on 2D natural images to improve 3D medical image segmentation. We focus on the semi-supervised setting, where only a few labeled 3D medical images are…

Computer Vision and Pattern Recognition · Computer Science 2025-09-19 Pak-Hei Yeung , Jayroop Ramesh , Pengfei Lyu , Ana Namburete , Jagath Rajapakse

Due to the lack of expertise for medical image annotation, the investigation of label-efficient methodology for medical image segmentation becomes a heated topic. Recent progresses focus on the efficient utilization of weak annotations…

Image and Video Processing · Electrical Eng. & Systems 2022-03-14 Junwen Pan , Qi Bi , Yanzhan Yang , Pengfei Zhu , Cheng Bian

Facial action units (AUs) recognition is essential for emotion analysis and has been widely applied in mental state analysis. Existing work on AU recognition usually requires big face dataset with AU labels; however, manual AU annotation…

Computer Vision and Pattern Recognition · Computer Science 2020-09-24 Xuesong Niu , Hu Han , Shiguang Shan , Xilin Chen

Pseudo-labelling is a popular technique in unsuper-vised domain adaptation for semantic segmentation. However, pseudo labels are noisy and inevitably have confirmation bias due to the discrepancy between source and target domains and…

Computer Vision and Pattern Recognition · Computer Science 2022-04-15 Wanyu Xu , Zengmao Wang , Wei Bian

Supervised learning in large discriminative models is a mainstay for modern computer vision. Such an approach necessitates investing in large-scale human-annotated datasets for achieving state-of-the-art results. In turn, the efficacy of…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Liang-Chieh Chen , Raphael Gontijo Lopes , Bowen Cheng , Maxwell D. Collins , Ekin D. Cubuk , Barret Zoph , Hartwig Adam , Jonathon Shlens

Self-supervised learning has proven to be an effective way to learn representations in domains where annotated labels are scarce, such as medical imaging. A widely adopted framework for this purpose is contrastive learning and it has been…

Computer Vision and Pattern Recognition · Computer Science 2024-02-23 Hugo Figueiras , Helena Aidos , Nuno Cruz Garcia

In fine-grained road scene understanding, semantic segmentation plays a crucial role in enabling vehicles to perceive and comprehend their surroundings. By assigning a specific class label to each pixel in an image, it allows for precise…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Yuting Hong , Yongkang Wu , Hui Xiao , Huazheng Hao , Xiaojie Qiu , Baochen Yao , Chengbin Peng

Recent domain adaptation methods have demonstrated impressive improvement on unsupervised domain adaptation problems. However, in the semi-supervised domain adaptation (SSDA) setting where the target domain has a few labeled instances…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Bingyu Liu , Yuhong Guo , Jieping Ye , Weihong Deng

Deep convolutional neural networks have considerably improved state-of-the-art results for semantic segmentation. Nevertheless, even modern architectures lack the ability to generalize well to a test dataset that originates from a different…

Computer Vision and Pattern Recognition · Computer Science 2021-05-06 Robert A. Marsden , Alexander Bartler , Mario Döbler , Bin Yang

Medical image analysis using supervised deep learning methods remains problematic because of the reliance of deep learning methods on large amounts of labelled training data. Although medical imaging data repositories continue to expand…

Computer Vision and Pattern Recognition · Computer Science 2019-06-11 Euijoon Ahn , Ashnil Kumar , Dagan Feng , Michael Fulham , Jinman Kim

Medical image segmentation is one of the domains where sufficient annotated data is not available. This necessitates the application of low-data frameworks like few-shot learning. Contemporary prototype-based frameworks often do not account…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Siladittya Manna , Saumik Bhattacharya , Umapada Pal

Semi-supervised learning (SSL) has shown considerable potential in medical image segmentation, primarily leveraging consistency regularization and pseudo-labeling. However, many SSL approaches only pay attention to low-level consistency and…

Image and Video Processing · Electrical Eng. & Systems 2024-07-01 Guanghao Zhu , Jing Zhang , Juanxiu Liu , Xiaohui Du , Ruqian Hao , Yong Liu , Lin Liu

Few shot segmentation (FSS) aims to learn pixel-level classification of a target object in a query image using only a few annotated support samples. This is challenging as it requires modeling appearance variations of target objects and the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Soopil Kim , Philip Chikontwe , Sang Hyun Park

Unsupervised domain adaptation (UDA) methods have been broadly utilized to improve the models' adaptation ability in general computer vision. However, different from the natural images, there exist huge semantic gaps for the nuclei from…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Canran Li , Dongnan Liu , Haoran Li , Zheng Zhang , Guangming Lu , Xiaojun Chang , Weidong Cai

A common shortfall of supervised learning for medical imaging is the greedy need for human annotations, which is often expensive and time-consuming to obtain. This paper proposes a semi-supervised classification method for three kinds of…

Computer Vision and Pattern Recognition · Computer Science 2021-04-15 Yanni Ren , Hangyu Deng , Hao Jiang , Jinglu Hu

Unsupervised domain adaptation (UDA) has increasingly gained interests for its capacity to transfer the knowledge learned from a labeled source domain to an unlabeled target domain. However, typical UDA methods require concurrent access to…

Computer Vision and Pattern Recognition · Computer Science 2023-07-20 Qinji Yu , Nan Xi , Junsong Yuan , Ziyu Zhou , Kang Dang , Xiaowei Ding

Training deep networks with limited labeled data while achieving a strong generalization ability is key in the quest to reduce human annotation efforts. This is the goal of semi-supervised learning, which exploits more widely available…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Daiqing Li , Junlin Yang , Karsten Kreis , Antonio Torralba , Sanja Fidler