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Pseudo-Labeling has emerged as a simple yet effective technique for semi-supervised object detection (SSOD). However, the inevitable noise problem in pseudo-labels significantly degrades the performance of SSOD methods. Recent advances…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Yulin He , Wei Chen , Ke Liang , Yusong Tan , Zhengfa Liang , Yulan Guo

Real-world image restoration aims to restore high-quality (HQ) images from degraded low-quality (LQ) inputs captured under uncontrolled conditions. Existing methods typically depend on ground-truth (GT) supervision, assuming that GT…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Fengyang Xiao , Peng Hu , Lei Xu , XingE Guo , Guanyi Qin , Yuqi Shen , Chengyu Fang , Rihan Zhang , Chunming He , Sina Farsiu

The field of Weakly Supervised Learning (WSL) has recently seen a surge of popularity, with numerous papers addressing different types of "supervision deficiencies", namely: poor quality, non adaptability, and insufficient quantity of…

Machine Learning · Computer Science 2021-09-28 Pierre Nodet , Vincent Lemaire , Alexis Bondu , Antoine Cornuéjols

Semi-supervised learning aims to leverage numerous unlabeled data to improve the model performance. Current semi-supervised 3D object detection methods typically use a teacher to generate pseudo labels for a student, and the quality of the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Xiaopei Wu , Liang Peng , Liang Xie , Yuenan Hou , Binbin Lin , Xiaoshui Huang , Haifeng Liu , Deng Cai , Wanli Ouyang

Various strategies for label-scarce object detection have been explored by the computer vision research community. These strategies mainly rely on assumptions that are specific to natural images and not directly applicable to the biological…

Recent semi-supervised learning (SSL) methods are commonly based on pseudo labeling. Since the SSL performance is greatly influenced by the quality of pseudo labels, mutual learning has been proposed to effectively suppress the noises in…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Pan Zhang , Bo Zhang , Ting Zhang , Dong Chen , Fang Wen

Dominated point cloud-based 3D object detectors in autonomous driving scenarios rely heavily on the huge amount of accurately labeled samples, however, 3D annotation in the point cloud is extremely tedious, expensive and time-consuming. To…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Junbo Yin , Jin Fang , Dingfu Zhou , Liangjun Zhang , Cheng-Zhong Xu , Jianbing Shen , Wenguan Wang

I present the Lower Biased Teacher model, an enhancement of the Unbiased Teacher model, specifically tailored for semi-supervised object detection tasks. The primary innovation of this model is the integration of a localization loss into…

Computer Vision and Pattern Recognition · Computer Science 2024-10-07 Shuang Wang

Pseudo-labeling is a key component in semi-supervised learning (SSL). It relies on iteratively using the model to generate artificial labels for the unlabeled data to train against. A common property among its various methods is that they…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Islam Nassar , Samitha Herath , Ehsan Abbasnejad , Wray Buntine , Gholamreza Haffari

Automatic image cropping models predict reframing boxes to enhance image aesthetics. Yet, the scarcity of labeled data hinders the progress of this task. To overcome this limitation, we explore the possibility of utilizing both labeled and…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Zhiyu Pan , Kewei Wang , Yizheng Wu , Liwen Xiao , Jiahao Cui , Zhicheng Wang , Zhiguo Cao

The objective of unsupervised person re-identification (Re-ID) is to learn discriminative features without labor-intensive identity annotations. State-of-the-art unsupervised Re-ID methods assign pseudo labels to unlabeled images in the…

Computer Vision and Pattern Recognition · Computer Science 2020-11-30 Hao Chen , Benoit Lagadec , Francois Bremond

Weakly supervised learning has emerged as a practical alternative to fully supervised learning when complete and accurate labels are costly or infeasible to acquire. However, many existing methods are tailored to specific supervision…

Machine Learning · Computer Science 2025-12-01 Miao Zhang , Junpeng Li , Changchun Hua , Yana Yang

Many unsupervised domain adaptive (UDA) person re-identification (ReID) approaches combine clustering-based pseudo-label prediction with feature fine-tuning. However, because of domain gap, the pseudo-labels are not always reliable and…

Computer Vision and Pattern Recognition · Computer Science 2020-12-18 Kecheng Zheng , Cuiling Lan , Wenjun Zeng , Zhizheng Zhang , Zheng-Jun Zha

Deep learning models have achieved state-of-the-art performance in many computer vision tasks. However, in real-world scenarios, novel classes that were unseen during training often emerge, requiring models to acquire new knowledge…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 Lucas Rakotoarivony

Semi-supervised learning approaches train on small sets of labeled data along with large sets of unlabeled data. Self-training is a semi-supervised teacher-student approach that often suffers from the problem of "confirmation bias" that…

Machine Learning · Computer Science 2023-01-19 Aswathnarayan Radhakrishnan , Jim Davis , Zachary Rabin , Benjamin Lewis , Matthew Scherreik , Roman Ilin

This paper looks at semi-supervised learning (SSL) for image-based text recognition. One of the most popular SSL approaches is pseudo-labeling (PL). PL approaches assign labels to unlabeled data before re-training the model with a…

Computer Vision and Pattern Recognition · Computer Science 2022-10-10 Gaurav Patel , Jan Allebach , Qiang Qiu

Despite the availability of large datasets for tasks like image classification and image-text alignment, labeled data for more complex recognition tasks, such as detection and segmentation, is less abundant. In particular, for instance…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 François Porcher , Camille Couprie , Marc Szafraniec , Jakob Verbeek

Face image quality assessment (FIQA) is essential for various face-related applications. Although FIQA has been extensively studied and achieved significant progress, the computational complexity of FIQA algorithms remains a key concern for…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Wei Sun , Weixia Zhang , Linhan Cao , Jun Jia , Xiangyang Zhu , Dandan Zhu , Xiongkuo Min , Guangtao Zhai

Recent advances in large language models (LLMs) have yielded impressive performance on various tasks, yet they often depend on high-quality feedback that can be costly. Self-refinement methods attempt to leverage LLMs' internal evaluation…

Computation and Language · Computer Science 2025-12-01 Hikaru Asano , Tadashi Kozuno , Yukino Baba

Person re-identification (re-ID), is a challenging task due to the high variance within identity samples and imaging conditions. Although recent advances in deep learning have achieved remarkable accuracy in settled scenes, i.e., source…

Computer Vision and Pattern Recognition · Computer Science 2019-12-04 Fengxiang Yang , Ke Li , Zhun Zhong , Zhiming Luo , Xing Sun , Hao Cheng , Xiaowei Guo , Feiyue Huang , Rongrong Ji , Shaozi Li