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Medical anomaly detection is a crucial yet challenging task aimed at recognizing abnormal images to assist in diagnosis. Due to the high-cost annotations of abnormal images, most methods utilize only known normal images during training and…

计算机视觉与模式识别 · 计算机科学 2023-03-21 Yu Cai , Hao Chen , Xin Yang , Yu Zhou , Kwang-Ting Cheng

Effective semi-supervised learning (SSL) in medical image analysis (MIA) must address two challenges: 1) work effectively on both multi-class (e.g., lesion classification) and multi-label (e.g., multiple-disease diagnosis) problems, and 2)…

计算机视觉与模式识别 · 计算机科学 2022-03-23 Fengbei Liu , Yu Tian , Yuanhong Chen , Yuyuan Liu , Vasileios Belagiannis , Gustavo Carneiro

Self-supervised learning in the federated learning paradigm has been gaining a lot of interest both in industry and research due to the collaborative learning capability on unlabeled yet isolated data. However, self-supervised based…

机器学习 · 计算机科学 2025-02-05 Sunder Ali Khowaja , Kapal Dev , Syed Muhammad Anwar , Marius George Linguraru

The success of deep learning in medical imaging is mostly achieved at the cost of a large labeled data set. Semi-supervised learning (SSL) provides a promising solution by leveraging the structure of unlabeled data to improve learning from…

机器学习 · 计算机科学 2019-07-24 Prashnna Kumar Gyawali , Zhiyuan Li , Sandesh Ghimire , Linwei Wang

Many practical medical imaging scenarios include categories that are under-represented but still crucial. The relevance of image recognition models to real-world applications lies in their ability to generalize to these rare classes as well…

计算机视觉与模式识别 · 计算机科学 2025-05-22 Daniya Najiha A. Kareem , Jean Lahoud , Mustansar Fiaz , Amandeep Kumar , Hisham Cholakkal

In recent years, significant progress has been made in the field of learning from positive and unlabeled examples (PU learning), particularly in the context of advancing image and text classification tasks. However, applying PU learning to…

图像与视频处理 · 电气工程与系统科学 2024-05-08 Yan Zhang , Chun Li , Zhaoxia Liu , Ming Li

Semi-Supervised Learning (SSL) is implemented when algorithms are trained on both labeled and unlabeled data. This is a very common application of ML as it is unrealistic to obtain a fully labeled dataset. Researchers have tackled three…

机器学习 · 计算机科学 2023-08-16 Jason Lu , Michael Ma , Huaze Xu , Zixi Xu

Exploiting deep learning in medical imaging faces critical challenges, including strict privacy constraints, heterogeneous imaging devices with varying acquisition properties, and class imbalance due to the uneven prevalence of pathologies.…

计算机视觉与模式识别 · 计算机科学 2026-04-30 Martina Pavan , Matteo Caligiuri , Francesco Barbato , Pietro Zanuttigh

Semi-supervised segmentation remains challenging in medical imaging since the amount of annotated medical data is often scarce and there are many blurred pixels near the adhesive edges or in the low-contrast regions. To address the issues,…

图像与视频处理 · 电气工程与系统科学 2022-06-29 Yicheng Wu , Zhonghua Wu , Qianyi Wu , Zongyuan Ge , Jianfei Cai

Purpose: Deep learning methods have shown promising results in the segmentation, and detection of diseases in medical images. However, most methods are trained and tested on data from a single source, modality, organ, or disease type,…

图像与视频处理 · 电气工程与系统科学 2025-08-20 Nchongmaje Ndipenocha , Alina Mirona , Kezhi Wanga , Yongmin Li

Studies on semi-supervised medical image segmentation (SSMIS) have seen fast progress recently. Due to the limited labelled data, SSMIS methods mainly focus on effectively leveraging unlabeled data to enhance the segmentation performance.…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Zhen Zhao , Ye Liu , Meng Zhao , Di Yin , Yixuan Yuan , Luping Zhou

Supervised learning demands large amounts of precisely annotated data to achieve promising results. Such data curation is labor-intensive and imposes significant overhead regarding time and costs. Self-supervised learning (SSL) partially…

计算机视觉与模式识别 · 计算机科学 2025-05-21 Thangarajah Akilan , Nusrat Jahan , Wandong Zhang

Self-supervised Learning (SSL) including the mainstream contrastive learning has achieved great success in learning visual representations without data annotations. However, most methods mainly focus on the instance level information (\ie,…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Mingkai Zheng , Shan You , Fei Wang , Chen Qian , Changshui Zhang , Xiaogang Wang , Chang Xu

Federated learning (FL) has emerged with increasing popularity to collaborate distributed medical institutions for training deep networks. However, despite existing FL algorithms only allow the supervised training setting, most hospitals in…

计算机视觉与模式识别 · 计算机科学 2021-06-17 Quande Liu , Hongzheng Yang , Qi Dou , Pheng-Ann Heng

Despite the empirical successes of self-supervised learning (SSL) methods, it is unclear what characteristics of their representations lead to high downstream accuracies. In this work, we characterize properties that SSL representations…

机器学习 · 计算机科学 2022-12-13 Yann Dubois , Tatsunori Hashimoto , Stefano Ermon , Percy Liang

This study explores the application of self-supervised learning (SSL) for improved target recognition in synthetic aperture sonar (SAS) imagery. The unique challenges of underwater environments make traditional computer vision techniques,…

计算机视觉与模式识别 · 计算机科学 2023-07-31 BW Sheffield

The volume-wise labeling of 3D medical images is expertise-demanded and time-consuming; hence semi-supervised learning (SSL) is highly desirable for training with limited labeled data. Imbalanced class distribution is a severe problem that…

图像与视频处理 · 电气工程与系统科学 2023-07-25 Haonan Wang , Xiaomeng Li

Autonomous driving has attracted much attention over the years but turns out to be harder than expected, probably due to the difficulty of labeled data collection for model training. Self-supervised learning (SSL), which leverages unlabeled…

计算机视觉与模式识别 · 计算机科学 2021-08-30 Kai Chen , Lanqing Hong , Hang Xu , Zhenguo Li , Dit-Yan Yeung

In medical image analysis, the cost of acquiring high-quality data and their annotation by experts is a barrier in many medical applications. Most of the techniques used are based on supervised learning framework and need a large amount of…

计算机视觉与模式识别 · 计算机科学 2022-10-20 Siladittya Manna , Saumik Bhattacharya , Umapada Pal

Training deep neural networks usually requires a large amount of labeled data to obtain good performance. However, in medical image analysis, obtaining high-quality labels for the data is laborious and expensive, as accurately annotating…

计算机视觉与模式识别 · 计算机科学 2020-05-20 Quande Liu , Lequan Yu , Luyang Luo , Qi Dou , Pheng Ann Heng