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This paper concerns pseudo labelling in segmentation. Our contribution is fourfold. Firstly, we present a new formulation of pseudo-labelling as an Expectation-Maximization (EM) algorithm for clear statistical interpretation. Secondly, we…

计算机视觉与模式识别 · 计算机科学 2022-09-14 Mou-Cheng Xu , Yukun Zhou , Chen Jin , Marius de Groot , Daniel C. Alexander , Neil P. Oxtoby , Yipeng Hu , Joseph Jacob

Automated theorem proving with large language models in Lean 4 is commonly approached through either step-level tactic prediction with tree search or whole-proof generation. These two paradigms represent opposite granularities for…

人工智能 · 计算机科学 2026-05-13 Shuo Xu , Jiakun Zhang , Junyu Lai , Chun Cao , Jingwei Xu

Real-world data consistently exhibits a long-tailed distribution, often spanning multiple categories. This complexity underscores the challenge of content comprehension, particularly in scenarios requiring Long-Tailed Multi-Label image…

计算机视觉与模式识别 · 计算机科学 2024-08-16 Jiexuan Yan , Sheng Huang , Nankun Mu , Luwen Huangfu , Bo Liu

Long-tailed semi-supervised learning (LTSSL) presents a formidable challenge where models must overcome the scarcity of tail samples while mitigating the noise from unreliable pseudo-labels. Most prior LTSSL methods are designed to train…

机器学习 · 计算机科学 2026-04-09 Zhiyuan Huang , Jiahao Chen , Bing Su

In practical domains, high-dimensional data are usually associated with diverse semantic labels, whereas traditional feature selection methods are designed for single-label data. Moreover, existing multi-label methods encounter two main…

机器学习 · 计算机科学 2025-05-26 Yan Zhong , Xingyu Wu , Xinping Zhao , Li Zhang , Xinyuan Song , Lei Shi , Bingbing Jiang

Weakly-supervised learning approaches have gained significant attention due to their ability to reduce the effort required for human annotations in training neural networks. This paper investigates a framework for weakly-supervised object…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Byeongkeun Kang , Sinhae Cha , Yeejin Lee

Weakly-supervised Temporal Action Localization (WS-TAL) methods learn to localize temporal starts and ends of action instances in a video under only video-level supervision. Existing WS-TAL methods rely on deep features learned for action…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Ziyi Liu , Le Wang , Wei Tang , Junsong Yuan , Nanning Zheng , Gang Hua

Although existing semantic segmentation approaches achieve impressive results, they still struggle to update their models incrementally as new categories are uncovered. Furthermore, pixel-by-pixel annotations are expensive and…

计算机视觉与模式识别 · 计算机科学 2022-04-04 Fabio Cermelli , Dario Fontanel , Antonio Tavera , Marco Ciccone , Barbara Caputo

Detecting fraud in financial transactions typically relies on tabular models that demand heavy feature engineering to handle high-dimensional data and offer limited interpretability, making it difficult for humans to understand predictions.…

机器学习 · 计算机科学 2026-04-10 Xuwei Tan , Yao Ma , Xueru Zhang

Semi-supervised learning (SSL) for medical image segmentation is a challenging yet highly practical task, which reduces reliance on large-scale labeled dataset by leveraging unlabeled samples. Among SSL techniques, the weak-to-strong…

计算机视觉与模式识别 · 计算机科学 2024-10-18 Shiao Xie , Hongyi Wang , Ziwei Niu , Hao Sun , Shuyi Ouyang , Yen-Wei Chen , Lanfen Lin

IMU-based Human Activity Recognition (HAR) has enabled a wide range of ubiquitous computing applications, yet its dominant clip classification paradigm cannot capture the rich temporal structure of real-world behaviors. This motivates a…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Pei Li , Jiaxi Yin , Lei Ouyang , Shihan Pan , Ge Wang , Han Ding , Fei Wang

Weakly supervised temporal action localization aims to localize temporal boundaries of actions and simultaneously identify their categories with only video-level category labels. Many existing methods seek to generate pseudo labels for…

计算机视觉与模式识别 · 计算机科学 2022-03-15 Linjiang Huang , Liang Wang , Hongsheng Li

Weakly supervised temporal action localization (WS-TAL) is a task of targeting at localizing complete action instances and categorizing them with video-level labels. Action-background ambiguity, primarily caused by background noise…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Yuanpeng He , Lijian Li , Tianxiang Zhan , Wenpin Jiao , Chi-Man Pun

Weakly-supervised action localization aims to recognize and localize action instancese in untrimmed videos with only video-level labels. Most existing models rely on multiple instance learning(MIL), where the predictions of unlabeled…

计算机视觉与模式识别 · 计算机科学 2023-09-27 Guiqin Wang , Peng Zhao , Cong Zhao , Shusen Yang , Jie Cheng , Luziwei Leng , Jianxing Liao , Qinghai Guo

Statistical fault localization (SFL) techniques use execution profiles and success/failure information from software executions, in conjunction with statistical inference, to automatically score program elements based on how likely they are…

软件工程 · 计算机科学 2021-02-15 Yigit Kucuk , Tim A. D. Henderson , Andy Podgurski

Temporal Action Localization (TAL) aims to predict both action category and temporal boundary of action instances in untrimmed videos, i.e., start and end time. Fully-supervised solutions are usually adopted in most existing works, and…

计算机视觉与模式识别 · 计算机科学 2022-12-02 Ding Li , Xuebing Yang , Yongqiang Tang , Chenyang Zhang , Wensheng Zhang

The emergence of deepfake technology has introduced a range of societal problems, garnering considerable attention. Current deepfake detection methods perform well on specific datasets, but exhibit poor performance when applied to datasets…

计算机视觉与模式识别 · 计算机科学 2025-08-15 Lixin Jia , Zhiqing Guo , Gaobo Yang , Liejun Wang , Keqin Li

Image forgery detection aims to detect and locate forged regions in an image. Most existing forgery detection algorithms formulate classification problems to classify pixels into forged or pristine. However, the definition of forged and…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Haiwei Wu , Yiming Chen , Jiantao Zhou , Yuanman Li

Time Series Forecasting (TSF) is a crucial task in various domains, yet existing TSF models rely heavily on high-quality data and insufficiently exploit all available data. This paper explores a novel self-supervised approach to re-label…

机器学习 · 计算机科学 2025-12-17 Yuxuan Yang , Dalin Zhang , Yuxuan Liang , Hua Lu , Gang Chen , Huan Li

Graph-based methods have been demonstrated as one of the most effective approaches for semi-supervised learning, as they can exploit the connectivity patterns between labeled and unlabeled data samples to improve learning performance.…

机器学习 · 计算机科学 2019-07-01 Qimai Li , Xiao-Ming Wu , Han Liu , Xiaotong Zhang , Zhichao Guan