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Semi-supervised learning (SSL) can reduce the need for large labelled datasets by incorporating unlabelled data into the training. This is particularly interesting for semantic segmentation, where labelling data is very costly and…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Sebastian Scherer , Robin Schön , Rainer Lienhart

For robotic surgical videos, instrument presence annotations are typically recorded with video streams, which offering the potential to reduce the manually annotated costs for segmentation. However, weakly supervised surgical instrument…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Qiyuan Wang , Yanzhe Liu , Shang Zhao , Rong Liu , S. Kevin Zhou

Most of the recent Deep Semantic Segmentation algorithms suffer from large generalization errors, even when powerful hierarchical representation models based on convolutional neural networks have been employed. This could be attributed to…

Computer Vision and Pattern Recognition · Computer Science 2019-10-01 Javed Iqbal , Mohsen Ali

Semi-Supervised Learning can be more beneficial for the video domain compared to images because of its higher annotation cost and dimensionality. Besides, any video understanding task requires reasoning over both spatial and temporal…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Ishan Rajendrakumar Dave , Mamshad Nayeem Rizve , Chen Chen , Mubarak Shah

Machine learning practitioners often have access to a spectrum of data: labeled data for the target task (which is often limited), unlabeled data, and auxiliary data, the many available labeled datasets for other tasks. We describe TAGLETS,…

Machine Learning · Computer Science 2022-05-09 Wasu Piriyakulkij , Cristina Menghini , Ross Briden , Nihal V. Nayak , Jeffrey Zhu , Elaheh Raisi , Stephen H. Bach

This paper studies semi-supervised learning of semantic segmentation, which assumes that only a small portion of training images are labeled and the others remain unlabeled. The unlabeled images are usually assigned pseudo labels to be used…

Computer Vision and Pattern Recognition · Computer Science 2022-06-02 Donghyeon Kwon , Suha Kwak

Unsupervised video representation learning has made remarkable achievements in recent years. However, most existing methods are designed and optimized for video classification. These pre-trained models can be sub-optimal for temporal…

Computer Vision and Pattern Recognition · Computer Science 2022-03-28 Can Zhang , Tianyu Yang , Junwu Weng , Meng Cao , Jue Wang , Yuexian Zou

Stripe-like space target detection (SSTD) is crucial for space situational awareness. Traditional unsupervised methods often fail in low signal-to-noise ratio and variable stripe-like space targets scenarios, leading to weak generalization.…

Computer Vision and Pattern Recognition · Computer Science 2024-08-12 Zijian Zhu , Ali Zia , Xuesong Li , Bingbing Dan , Yuebo Ma , Hongfeng Long , Kaili Lu , Enhai Liu , Rujin Zhao

Understanding videos to localize moments with natural language often requires large expensive annotated video regions paired with language queries. To eliminate the annotation costs, we make a first attempt to train a natural language video…

Computation and Language · Computer Science 2021-10-04 Jinwoo Nam , Daechul Ahn , Dongyeop Kang , Seong Jong Ha , Jonghyun Choi

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

Multi-Task Learning (MTL) aims to enhance the model generalization by sharing representations between related tasks for better performance. Typical MTL methods are jointly trained with the complete multitude of ground-truths for all tasks…

Computer Vision and Pattern Recognition · Computer Science 2021-10-15 Yufeng Wang , Yi-Hsuan Tsai , Wei-Chih Hung , Wenrui Ding , Shuo Liu , Ming-Hsuan Yang

Training deep models with limited annotations poses a significant challenge when applied to diverse practical domains. Employing semi-supervised learning alongside the self-supervised model offers the potential to enhance label efficiency.…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Ziting Wen , Oscar Pizarro , Stefan Williams

A significant issue in training deep neural networks to solve supervised learning tasks is the need for large numbers of labelled datapoints. The goal of semi-supervised learning is to leverage ubiquitous unlabelled data, together with…

Computer Vision and Pattern Recognition · Computer Science 2019-05-29 Chengxu Zhuang , Xuehao Ding , Divyanshu Murli , Daniel Yamins

Human action understanding is crucial for the advancement of multimodal systems. While recent developments, driven by powerful large language models (LLMs), aim to be general enough to cover a wide range of categories, they often overlook…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Yongle Huang , Haodong Chen , Zhenbang Xu , Zihan Jia , Haozhou Sun , Dian Shao

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

The lack of labeled data is a common challenge in speech classification tasks, particularly those requiring extensive subjective assessment, such as cognitive state classification. In this work, we propose a Semi-Supervised Learning (SSL)…

Audio and Speech Processing · Electrical Eng. & Systems 2025-05-01 Yuanchao Li , Zixing Zhang , Jing Han , Peter Bell , Catherine Lai

Temporal Video Grounding (TVG) aims to localize video segments corresponding to a given textual query, which often describes human actions. However, we observe that current methods, usually optimizing for high temporal…

Artificial Intelligence · Computer Science 2026-02-16 Zhaoyu Chen , Hongnan Lin , Yongwei Nie , Fei Ma , Xuemiao Xu , Fei Yu , Chengjiang Long

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

Supervisory signals have the potential to make low-dimensional data representations, like those learned by mixture and topic models, more interpretable and useful. We propose a framework for training latent variable models that explicitly…

In this work, we propose a simple yet effective meta-learning algorithm in semi-supervised learning. We notice that most existing consistency-based approaches suffer from overfitting and limited model generalization ability, especially when…

Machine Learning · Computer Science 2021-03-18 Xin-Yu Zhang , Taihong Xiao , Haolin Jia , Ming-Ming Cheng , Ming-Hsuan Yang