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Deep learning techniques have greatly benefited computer-aided diagnostic systems. However, unlike other fields, in medical imaging, acquiring large fine-grained annotated datasets such as 3D tumour segmentation is challenging due to the…

Image and Video Processing · Electrical Eng. & Systems 2022-11-10 Sajith Rajapaksa , Farzad Khalvati

Semi-Supervised Semantic Segmentation aims at training the segmentation model with limited labeled data and a large amount of unlabeled data. To effectively leverage the unlabeled data, pseudo labeling, along with the teacher-student…

Computer Vision and Pattern Recognition · Computer Science 2023-01-19 Ying Jin , Jiaqi Wang , Dahua Lin

Segmentation of objects of interest is one of the central tasks in medical image analysis, which is indispensable for quantitative analysis. When developing machine-learning based methods for automated segmentation, manual annotations are…

Computer Vision and Pattern Recognition · Computer Science 2020-07-20 Hang Li , Dong Wei , Shilei Cao , Kai Ma , Liansheng Wang , Yefeng Zheng

Pseudo-label based self training approaches are a popular method for source-free unsupervised domain adaptation. However, their efficacy depends on the quality of the labels generated by the source trained model. These labels may be…

Computer Vision and Pattern Recognition · Computer Science 2021-10-01 Deepti Hegde , Vishwanath Sindagi , Velat Kilic , A. Brinton Cooper , Mark Foster , Vishal Patel

Self-training has shown great potential in semi-supervised learning. Its core idea is to use the model learned on labeled data to generate pseudo-labels for unlabeled samples, and in turn teach itself. To obtain valid supervision, active…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Ye Du , Yujun Shen , Haochen Wang , Jingjing Fei , Wei Li , Liwei Wu , Rui Zhao , Zehua Fu , Qingjie Liu

Deep learning shows great potential for the domain of digital pathology. An automated digital pathology system could serve as a second reader, perform initial triage in large screening studies, or assist in reporting. However, it is…

Computer Vision and Pattern Recognition · Computer Science 2020-03-23 Shayne Shaw , Maciej Pajak , Aneta Lisowska , Sotirios A Tsaftaris , Alison Q O'Neil

Nuclei segmentation is a fundamental task in histopathology image analysis. Typically, such segmentation tasks require significant effort to manually generate accurate pixel-wise annotations for fully supervised training. To alleviate such…

Computer Vision and Pattern Recognition · Computer Science 2020-07-13 Hui Qu , Pengxiang Wu , Qiaoying Huang , Jingru Yi , Zhennan Yan , Kang Li , Gregory M. Riedlinger , Subhajyoti De , Shaoting Zhang , Dimitris N. Metaxas

The training of deep learning models generally requires a large amount of annotated data for effective convergence and generalisation. However, obtaining high-quality annotations is a laboursome and expensive process due to the need of…

Computer Vision and Pattern Recognition · Computer Science 2021-11-05 Fengbei Liu , Yu Tian , Filipe R. Cordeiro , Vasileios Belagiannis , Ian Reid , Gustavo Carneiro

For brain tumour segmentation, deep learning models can achieve human expert-level performance given a large amount of data and pixel-level annotations. However, the expensive exercise of obtaining pixel-level annotations for large amounts…

Computer Vision and Pattern Recognition · Computer Science 2023-10-11 Xiao Liu , Antanas Kascenas , Hannah Watson , Sotirios A. Tsaftaris , Alison Q. O'Neil

Recently, deep learning has experienced rapid expansion, contributing significantly to the progress of supervised learning methodologies. However, acquiring labeled data in real-world settings can be costly, labor-intensive, and sometimes…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Jicheng Yuan , Anh Le-Tuan , Ali Ganbarov , Manfred Hauswirth , Danh Le-Phuoc

In semi-supervised medical image segmentation, the poor quality of unlabeled data and the uncertainty in the model's predictions lead to models that inevitably produce erroneous pseudo-labels. These errors accumulate throughout model…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Shiwei Zhou , Xin Liu , Haifeng Zhao , Bin Luo , Dengdi Sun

Brain tumor segmentation plays an essential role in medical image analysis. In recent studies, deep convolution neural networks (DCNNs) are extremely powerful to tackle tumor segmentation tasks. We propose in this paper a novel training…

Image and Video Processing · Electrical Eng. & Systems 2020-10-29 Hieu T. Nguyen , Tung T. Le , Thang V. Nguyen , Nhan T. Nguyen

Prediction of survival for cancer patients is an open area of research. However, many of these studies focus on datasets with a large number of patients. We present a novel method that is specifically designed to address the challenge of…

Machine Learning · Computer Science 2015-09-30 Hamid Reza Hassanzadeh , John H. Phan , May D. Wang

Semi-supervised learning has received considerable attention for its potential to leverage abundant unlabeled data to enhance model robustness. Pseudo labeling is a widely used strategy in semi supervised learning. However, existing methods…

Computer Vision and Pattern Recognition · Computer Science 2024-11-14 Tao Wang , Xinlin Zhang , Yuanbin Chen , Yuanbo Zhou , Longxuan Zhao , Tao Tan , Tong Tong

Uncertainty estimation is important for interpreting the trustworthiness of machine learning models in many applications. This is especially critical in the data-driven active learning setting where the goal is to achieve a certain accuracy…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Bo Li , Tommy Sonne Alstrøm

Methods that move towards less supervised scenarios are key for image segmentation, as dense labels demand significant human intervention. Generally, the annotation burden is mitigated by labeling datasets with weaker forms of supervision,…

Computer Vision and Pattern Recognition · Computer Science 2019-05-27 Miriam Bellver , Amaia Salvador , Jordi Torres , Xavier Giro-i-Nieto

Accurate brain tumor segmentation is crucial for neuro-oncology diagnosis and treatment planning. Deep learning methods have made significant progress, but automatic segmentation still faces challenges, including tumor morphological…

Image and Video Processing · Electrical Eng. & Systems 2025-10-21 Mingda Zhang

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

Classifying brain tumors using magnetic resonance imaging (MRI) is crucial for early diagnosis and treatment; however, tumor heterogeneity and a dearth of annotated datasets restrict the use of supervised deep learning approaches. In this…

Semi-supervised semantic segmentation learns a model for classifying pixels into specific classes using a few labeled samples and numerous unlabeled images. The recent leading approach is consistency regularization by selftraining with…

Computer Vision and Pattern Recognition · Computer Science 2023-03-22 Jingi Ju , Hyeoncheol Noh , Yooseung Wang , Minseok Seo , Dong-Geol Choi