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Semi-supervised temporal action segmentation (SS-TA) aims to perform frame-wise classification in long untrimmed videos, where only a fraction of videos in the training set have labels. Recent studies have shown the potential of contrastive…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Feixiang Zhou , Zheheng Jiang , Huiyu Zhou , Xuelong Li

Semi-supervised text classification (SSTC) has gained increasing attention due to its ability to leverage unlabeled data. However, existing approaches based on pseudo-labeling suffer from the issues of pseudo-label bias and error…

Computation and Language · Computer Science 2023-10-24 Henry Peng Zou , Cornelia Caragea

Temporal action segmentation classifies the action of each frame in (long) video sequences. Due to the high cost of frame-wise labeling, we propose the first semi-supervised method for temporal action segmentation. Our method hinges on…

Computer Vision and Pattern Recognition · Computer Science 2021-12-09 Dipika Singhania , Rahul Rahaman , Angela Yao

Deep learning-based semi-supervised learning (SSL) algorithms have led to promising results in medical images segmentation and can alleviate doctors' expensive annotations by leveraging unlabeled data. However, most of the existing SSL…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Xiangde Luo , Jieneng Chen , Tao Song , Yinan Chen , Guotai Wang , Shaoting Zhang

Incremental learning aims to adapt to new sets of categories over time with minimal computational overhead. Prior work often addresses this task by training efficient task-specific adaptors that modify frozen layer weights or features to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 Nazia Tasnim , Bryan A. Plummer

Semi-supervised learning has recently been attracting attention as an alternative to fully supervised models that require large pools of labeled data. Moreover, optimizing a model for multiple tasks can provide better generalizability than…

Computer Vision and Pattern Recognition · Computer Science 2020-05-07 Abdullah-Al-Zubaer Imran , Chao Huang , Hui Tang , Wei Fan , Yuan Xiao , Dingjun Hao , Zhen Qian , Demetri Terzopoulos

We propose a meta-learning method for semi-supervised learning that learns from multiple tasks with heterogeneous attribute spaces. The existing semi-supervised meta-learning methods assume that all tasks share the same attribute space,…

Machine Learning · Computer Science 2023-11-10 Tomoharu Iwata , Atsutoshi Kumagai

Complementary-label learning (CLL) is widely used in weakly supervised classification, but it faces a significant challenge in real-world datasets when confronted with class-imbalanced training samples. In such scenarios, the number of…

Machine Learning · Computer Science 2024-03-21 Meng Wei , Yong Zhou , Zhongnian Li , Xinzheng Xu

Continual learning algorithms which keep the parameters of new tasks close to that of previous tasks, are popular in preventing catastrophic forgetting in sequential task learning settings. However, 1) the performance for the new continual…

Machine Learning · Computer Science 2023-07-21 Wei Cong , Yang Cong , Gan Sun , Yuyang Liu , Jiahua Dong

Quantum reservoir computing (QRC) leverages the high-dimensional, nonlinear dynamics inherent in quantum many-body systems for extracting spatiotemporal patterns in sequential and time-series data with minimal training overhead. Although…

Quantum Physics · Physics 2025-10-22 Shehbaz Tariq , Muhammad Talha , Symeon Chatzinotas , Hyundong Shin

This paper considers semi-supervised learning for tabular data. It is widely known that Xgboost based on tree model works well on the heterogeneous features while transductive support vector machine can exploit the low density separation…

Machine Learning · Computer Science 2020-06-09 Zhiguo Wang , Liusha Yang , Feng Yin , Ke Lin , Qingjiang Shi , Zhi-Quan Luo

Semi-Supervised Learning (SSL) under class distribution mismatch aims to tackle a challenging problem wherein unlabeled data contain lots of unknown categories unseen in the labeled ones. In such mismatch scenarios, traditional SSL suffers…

Computer Vision and Pattern Recognition · Computer Science 2023-08-24 Pan Du , Suyun Zhao , Zisen Sheng , Cuiping Li , Hong Chen

Semi-supervised learning an attractive technique in practical deployments of deep models since it relaxes the dependence on labeled data. It is especially important in the scope of dense prediction because pixel-level annotation requires…

Computer Vision and Pattern Recognition · Computer Science 2023-01-23 Ivan Grubišić , Marin Oršić , Siniša Šegvić

We propose a novel system for active semi-supervised feature-based action recognition. Given time sequences of features tracked during movements our system clusters the sequences into actions. Our system is based on encoder-decoder…

Computer Vision and Pattern Recognition · Computer Science 2020-06-15 Jingyuan Li , Eli Shlizerman

Semi-supervised learning has substantially advanced medical image segmentation since it alleviates the heavy burden of acquiring the costly expert-examined annotations. Especially, the consistency-based approaches have attracted more…

Image and Video Processing · Electrical Eng. & Systems 2022-03-16 Zhe Xu , Yixin Wang , Donghuan Lu , Lequan Yu , Jiangpeng Yan , Jie Luo , Kai Ma , Yefeng Zheng , Raymond Kai-yu Tong

Deep regression is an important problem with numerous applications. These range from computer vision tasks such as age estimation from photographs, to medical tasks such as ejection fraction estimation from echocardiograms for disease…

Computer Vision and Pattern Recognition · Computer Science 2023-02-16 Weihang Dai , Xiaomeng Li , Kwang-Ting Cheng

Supervised learning models, also known as quantitative structure-activity regression (QSAR) models, are increasingly used in assisting the process of preclinical, small molecule drug discovery. The models are trained on data consisting of a…

Applications · Statistics 2020-01-08 Oliver P Watson , Isidro Cortes-Ciriano , James A Watson

Connectionist Temporal Classification (CTC) is a widely used criterion for training supervised sequence-to-sequence (seq2seq) models. It enables learning the relations between input and output sequences, termed alignments, by marginalizing…

Computation and Language · Computer Science 2024-03-08 Eliya Segev , Maya Alroy , Ronen Katsir , Noam Wies , Ayana Shenhav , Yael Ben-Oren , David Zar , Oren Tadmor , Jacob Bitterman , Amnon Shashua , Tal Rosenwein

Consistency training has proven to be an advanced semi-supervised framework and achieved promising results in medical image segmentation tasks through enforcing an invariance of the predictions over different views of the inputs. However,…

Computer Vision and Pattern Recognition · Computer Science 2021-11-10 Xuanting Hao , Shengbo Gao , Lijie Sheng , Jicong Zhang

Due to the imbalanced and limited data, semi-supervised medical image segmentation methods often fail to produce superior performance for some specific tailed classes. Inadequate training for those particular classes could introduce more…

Computer Vision and Pattern Recognition · Computer Science 2022-09-02 Hritam Basak , Sagnik Ghosal , Ram Sarkar