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Real-world image restoration (RWIR) is a highly challenging task due to the absence of clean ground-truth images. Many recent methods resort to pseudo-label (PL) supervision, often within a Mean-Teacher (MT) framework. However, these…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Fengyang Xiao , Jingjia Feng , Peng Hu , Dingming Zhang , Lei Xu , Guanyi Qin , Lu Li , Chunming He , Sina Farsiu

Recently, One-stage Weakly Supervised Semantic Segmentation (WSSS) with image-level labels has gained increasing interest due to simplification over its cumbersome multi-stage counterpart. Limited by the inherent ambiguity of Class…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Yuanchen Wu , Xichen Ye , Kequan Yang , Jide Li , Xiaoqiang Li

Unsupervised object re-identification targets at learning discriminative representations for object retrieval without any annotations. Clustering-based methods conduct training with the generated pseudo labels and currently dominate this…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Xiao Zhang , Yixiao Ge , Yu Qiao , Hongsheng Li

Pseudo-label learning methods have been widely applied in weakly-supervised temporal action localization. Existing works directly utilize weakly-supervised base model to generate instance-level pseudo-labels for training the…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 Quan Zhang , Yuxin Qi , Xi Tang , Rui Yuan , Xi Lin , Ke Zhang , Chun Yuan

While computer vision and machine learning have made great progress, their robustness is still challenged by two key issues: data distribution shift and label noise. When domain generalization (DG) encounters noise, noisy labels further…

Computer Vision and Pattern Recognition · Computer Science 2025-12-12 Wang Lu , Jindong Wang

Reducing the amount of labels required to train convolutional neural networks without performance degradation is key to effectively reduce human annotation efforts. We propose Reliable Label Bootstrapping (ReLaB), an unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2021-02-26 Paul Albert , Diego Ortego , Eric Arazo , Noel E. O'Connor , Kevin McGuinness

The crux of semi-supervised semantic segmentation is to assign adequate pseudo-labels to the pixels of unlabeled images. A common practice is to select the highly confident predictions as the pseudo ground-truth, but it leads to a problem…

Computer Vision and Pattern Recognition · Computer Science 2022-03-15 Yuchao Wang , Haochen Wang , Yujun Shen , Jingjing Fei , Wei Li , Guoqiang Jin , Liwei Wu , Rui Zhao , Xinyi Le

Recent breakthroughs in semi-supervised semantic segmentation have been developed through contrastive learning. In prevalent pixel-wise contrastive learning solutions, the model maps pixels to deterministic representations and regularizes…

Computer Vision and Pattern Recognition · Computer Science 2022-12-19 Haoyu Xie , Changqi Wang , Mingkai Zheng , Minjing Dong , Shan You , Chong Fu , Chang Xu

As the exorbitant expense of labeling autopilot datasets and the growing trend of utilizing unlabeled data, semi-supervised segmentation on point clouds becomes increasingly imperative. Intuitively, finding out more ``unspoken words''…

Computer Vision and Pattern Recognition · Computer Science 2024-02-13 Yujun Chen , Xin Tan , Zhizhong Zhang , Yanyun Qu , Yuan Xie

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

Pseudo-labeling is a crucial technique in semi-supervised learning (SSL), where artificial labels are generated for unlabeled data by a trained model, allowing for the simultaneous training of labeled and unlabeled data in a supervised…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Khanh-Binh Nguyen , Joon-Sung Yang

Instance-dependent Partial Label Learning (ID-PLL) aims to learn a multi-class predictive model given training instances annotated with candidate labels related to features, among which correct labels are hidden fixed but unknown. The…

Machine Learning · Computer Science 2024-10-29 Congyu Qiao , Ning Xu , Yihao Hu , Xin Geng

Domain adaptation (DA) mitigates the domain shift problem when transferring knowledge from one annotated domain to another similar but different unlabeled domain. However, existing models often utilize one of the ImageNet models as the…

Computer Vision and Pattern Recognition · Computer Science 2021-05-04 Youshan Zhang , Brian D. Davison

While supervised learning has achieved remarkable success, obtaining large-scale labeled datasets in biomedical imaging is often impractical due to high costs and the time-consuming annotations required from radiologists. Semi-supervised…

Image and Video Processing · Electrical Eng. & Systems 2024-01-19 Yuanbin Chen , Tao Wang , Hui Tang , Longxuan Zhao , Ruige Zong , Shun Chen , Tao Tan , Xinlin Zhang , Tong Tong

While semi-supervised learning (SSL) has proven to be a promising way for leveraging unlabeled data when labeled data is scarce, the existing SSL algorithms typically assume that training class distributions are balanced. However, these SSL…

Machine Learning · Computer Science 2021-09-14 Jaehyung Kim , Youngbum Hur , Sejun Park , Eunho Yang , Sung Ju Hwang , Jinwoo Shin

Deep learning usually achieves the best results with complete supervision. In the case of semantic segmentation, this means that large amounts of pixelwise annotations are required to learn accurate models. In this paper, we show that we…

Computer Vision and Pattern Recognition · Computer Science 2020-05-07 Yi Zhu , Zhongyue Zhang , Chongruo Wu , Zhi Zhang , Tong He , Hang Zhang , R. Manmatha , Mu Li , Alexander Smola

Localizing keypoints of an object is a basic visual problem. However, supervised learning of a keypoint localization network often requires a large amount of data, which is expensive and time-consuming to obtain. To remedy this, there is an…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Can Wang , Sheng Jin , Yingda Guan , Wentao Liu , Chen Qian , Ping Luo , Wanli Ouyang

Alleviating noisy pseudo labels remains a key challenge in Semi-Supervised Temporal Action Localization (SS-TAL). Existing methods often filter pseudo labels based on strict conditions, but they typically assess classification and…

Computer Vision and Pattern Recognition · Computer Science 2024-07-26 Feixiang Zhou , Bryan Williams , Hossein Rahmani

Deep neural networks have achieved remarkable performance across various tasks when supplied with large-scale labeled data. However, the collection of labeled data can be time-consuming and labor-intensive. Semi-supervised learning (SSL),…

Machine Learning · Computer Science 2024-06-28 Chaoqi Liang , Guanglei Yang , Lifeng Qiao , Zitong Huang , Hongliang Yan , Yunchao Wei , Wangmeng Zuo

Partial-label learning (PLL) is an important branch of weakly supervised learning where the single ground truth resides in a set of candidate labels, while the research rarely considers the label imbalance. A recent study for imbalanced…

Machine Learning · Computer Science 2023-03-08 Mingyu Xu , Zheng Lian