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Supervised deep learning for semantic segmentation has achieved excellent results in accurately identifying anatomical and pathological structures in medical images. However, it often requires large annotated training datasets, which limits…

计算机视觉与模式识别 · 计算机科学 2026-03-11 Luca Ciampi , Gabriele Lagani , Giuseppe Amato , Fabrizio Falchi

Most existing few-shot learning (FSL) methods require a large amount of labeled data in meta-training, which is a major limit. To reduce the requirement of labels, a semi-supervised meta-training (SSMT) setting has been proposed for FSL,…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Xingping Dong , Tianran Ouyang , Shengcai Liao , Bo Du , Ling Shao

Although data is abundant, data labeling is expensive. Semi-supervised learning methods combine a few labeled samples with a large corpus of unlabeled data to effectively train models. This paper introduces our proposed method LiDAM, a…

机器学习 · 计算机科学 2020-11-25 Qun Liu , Matthew Shreve , Raja Bala

Conventional methods in semi-supervised learning (SSL) often face challenges related to limited data utilization, mainly due to their reliance on threshold-based techniques for selecting high-confidence unlabeled data during training.…

计算机视觉与模式识别 · 计算机科学 2024-05-13 Wenjin Zhang , Keyi Li , Sen Yang , Chenyang Gao , Wanzhao Yang , Sifan Yuan , Ivan Marsic

This paper proposes integrating semantics-oriented similarity representation into RankingMatch, a recently proposed semi-supervised learning method. Our method, dubbed ReRankMatch, aims to deal with the case in which labeled and unlabeled…

计算机视觉与模式识别 · 计算机科学 2021-09-28 Trung Quang Tran , Mingu Kang , Daeyoung Kim

Recent semi-supervised learning methods use pseudo supervision as core idea, especially self-training methods that generate pseudo labels. However, pseudo labels are unreliable. Self-training methods usually rely on single model prediction…

计算机视觉与模式识别 · 计算机科学 2022-05-12 Zhengyang Feng , Qianyu Zhou , Qiqi Gu , Xin Tan , Guangliang Cheng , Xuequan Lu , Jianping Shi , Lizhuang Ma

Semi-supervised learning is attracting blooming attention, due to its success in combining unlabeled data. To mitigate potentially incorrect pseudo labels, recent frameworks mostly set a fixed confidence threshold to discard uncertain…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Lihe Yang , Zhen Zhao , Lei Qi , Yu Qiao , Yinghuan Shi , Hengshuang Zhao

Adapting vision-language models (VLMs) to downstream tasks with pseudolabels has gained increasing attention. A major obstacle is that the pseudolabels generated by VLMs tend to be imbalanced, leading to inferior performance. While existing…

计算机视觉与模式识别 · 计算机科学 2025-05-06 Yuchen Wang , Xuefeng Bai , Xiucheng Li , Weili Guan , Liqiang Nie , Xinyang Chen

Federated Semi-supervised Learning (FedSSL) has emerged as a new paradigm for allowing distributed clients to collaboratively train a machine learning model over scarce labeled data and abundant unlabeled data. However, existing works for…

机器学习 · 计算机科学 2023-05-02 Jie Zhang , Xiaosong Ma , Song Guo , Wenchao Xu

Unsupervised Domain Adaptation (UDA) aims to align the labeled source distribution with the unlabeled target distribution to obtain domain invariant predictive models. However, the application of well-known UDA approaches does not…

计算机视觉与模式识别 · 计算机科学 2021-11-11 Ankit Singh

Semi-supervised object detection (SSOD) has made significant progress with the development of pseudo-label-based end-to-end methods. However, many of these methods face challenges due to class imbalance, which hinders the effectiveness of…

计算机视觉与模式识别 · 计算机科学 2023-06-06 Purbayan Kar , Vishal Chudasama , Naoyuki Onoe , Pankaj Wasnik

Modern deep neural networks can easily overfit to biased training data containing corrupted labels or class imbalance. Sample re-weighting methods are popularly used to alleviate this data bias issue. Most current methods, however, require…

机器学习 · 计算机科学 2023-05-02 Jun Shu , Xiang Yuan , Deyu Meng , Zongben Xu

Semi-supervised learning relaxes the need of large pixel-wise labeled datasets for image segmentation by leveraging unlabeled data. The scarcity of high-quality labeled data remains a major challenge in medical image analysis due to the…

计算机视觉与模式识别 · 计算机科学 2026-02-11 Jun Li

Semi-supervised learning is attracting blooming attention, due to its success in combining unlabeled data. However, pseudo-labeling-based semi-supervised approaches suffer from two problems in image classification: (1) Existing methods…

计算机视觉与模式识别 · 计算机科学 2024-07-08 Xuerong Zhang , Li Huang , Jing Lv , Ming Yang

The scarcity of labeled data is a critical obstacle to deep learning. Semi-supervised learning (SSL) provides a promising way to leverage unlabeled data by pseudo labels. However, when the size of labeled data is very small (say a few…

计算机视觉与模式识别 · 计算机科学 2021-10-27 Yi Xu , Jiandong Ding , Lu Zhang , Shuigeng Zhou

Self-supervised learning (SSL) methods targeting scene images have seen a rapid growth recently, and they mostly rely on either a dedicated dense matching mechanism or a costly unsupervised object discovery module. This paper shows that…

计算机视觉与模式识别 · 计算机科学 2023-10-02 Ke Zhu , Minghao Fu , Jianxin Wu

Partially-supervised multi-organ medical image segmentation aims to develop a unified semantic segmentation model by utilizing multiple partially-labeled datasets, with each dataset providing labels for a single class of organs. However,…

计算机视觉与模式识别 · 计算机科学 2024-09-06 Xixi Jiang , Dong Zhang , Xiang Li , Kangyi Liu , Kwang-Ting Cheng , Xin Yang

In the context of the global coronavirus pandemic, different deep learning solutions for infected subject detection using chest X-ray images have been proposed. However, deep learning models usually need large labelled datasets to be…

计算机视觉与模式识别 · 计算机科学 2021-09-03 Saul Calderon-Ramirez , Shengxiang Yang , David Elizondo , Armaghan Moemeni

Semi-supervised learning addresses label scarcity and high annotation costs in medical image segmentation by exploiting the latent information in unlabeled data to enhance model performance. Traditional discriminative segmentation relies on…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Kaiwen Huang , Yi Zhou , Yizhe Zhang , Jingxiong Li , Tao Zhou

In this paper, we address a complex but practical scenario in semi-supervised learning (SSL) named open-set SSL, where unlabeled data contain both in-distribution (ID) and out-of-distribution (OOD) samples. Unlike previous methods that only…

计算机视觉与模式识别 · 计算机科学 2023-07-03 Ganlong Zhao , Guanbin Li , Yipeng Qin , Jinjin Zhang , Zhenhua Chai , Xiaolin Wei , Liang Lin , Yizhou Yu