English
Related papers

Related papers: MOFO: MOtion FOcused Self-Supervision for Video Un…

200 papers

The goal of this paper is to self-train a 3D convolutional neural network on an unlabeled video collection for deployment on small-scale video collections. As smaller video datasets benefit more from motion than appearance, we strive to…

Computer Vision and Pattern Recognition · Computer Science 2021-05-05 Kirill Gavrilyuk , Mihir Jain , Ilia Karmanov , Cees G. M. Snoek

Human Activity Recognition (HAR) based on the sensors of mobile/wearable devices aims to detect the physical activities performed by humans in their daily lives. Although supervised learning methods are the most effective in this task,…

Signal Processing · Electrical Eng. & Systems 2024-04-25 Sannara Ek , Riccardo Presotto , Gabriele Civitarese , François Portet , Philippe Lalanda , Claudio Bettini

Self-supervised learning (SSL), which aims to learn meaningful prior representations from unlabeled data, has been proven effective for skeleton-based action understanding. Different from the image domain, skeleton data possesses sparser…

Computer Vision and Pattern Recognition · Computer Science 2025-12-29 Jiahang Zhang , Lilang Lin , Shuai Yang , Jiaying Liu

Understanding human actions in videos requires more than raw pixel analysis; it relies on high-level semantic reasoning and effective integration of multimodal features. We propose a deep translational action recognition framework that…

Computer Vision and Pattern Recognition · Computer Science 2025-06-26 Lei Wang , Piotr Koniusz

Many motion-centric video analysis tasks, such as atomic actions, detecting atypical motor behavior in individuals with autism, or analyzing articulatory motion in real-time MRI of human speech, require efficient and interpretable temporal…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Hong Nguyen , Dung Tran , Hieu Hoang , Phong Nguyen , Shrikanth Narayanan

Sign language recognition (SLR) has long been plagued by insufficient model representation capabilities. Although current pre-training approaches have alleviated this dilemma to some extent and yielded promising performance by employing…

Computer Vision and Pattern Recognition · Computer Science 2024-06-03 Weichao Zhao , Hezhen Hu , Wengang Zhou , Yunyao Mao , Min Wang , Houqiang Li

In this paper, we introduce a novel self-supervised learning (SSL) loss for image representation learning. There is a growing belief that generalization in deep neural networks is linked to their ability to discriminate object shapes. Since…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Sepehr Sameni , Simon Jenni , Paolo Favaro

Video self-supervised learning (VSSL) has made significant progress in recent years. However, the exact behavior and dynamics of these models under different forms of distribution shift are not yet known. In this paper, we comprehensively…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Pritam Sarkar , Ahmad Beirami , Ali Etemad

Semi-Supervised Learning (SSL) has shown tremendous potential to improve the predictive performance of deep learning models when annotations are hard to obtain. However, the application of SSL has so far been mainly studied in the context…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Ankit Singh , Efstratios Gavves , Cees G. M. Snoek , Hilde Kuehne

Recent advancements in Deep and Self-Supervised Learning (SSL) have led to substantial improvements in Speech Emotion Recognition (SER) performance, reaching unprecedented levels. However, obtaining sufficient amounts of accurately labeled…

Computation and Language · Computer Science 2025-02-25 Bulat Khaertdinov , Pedro Jeuris , Annanda Sousa , Enrique Hortal

Amodal perception requires inferring the full shape of an object that is partially occluded. This task is particularly challenging on two levels: (1) it requires more information than what is contained in the instant retina or imaging…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Jian Yao , Yuxin Hong , Chiyu Wang , Tianjun Xiao , Tong He , Francesco Locatello , David Wipf , Yanwei Fu , Zheng Zhang

Dense self-supervised learning has shown great promise for learning pixel- and patch-level representations, but extending it to videos remains challenging due to the complexity of motion dynamics. Existing approaches struggle as they rely…

Computer Vision and Pattern Recognition · Computer Science 2025-07-11 Mohammadreza Salehi , Shashanka Venkataramanan , Ioana Simion , Efstratios Gavves , Cees G. M. Snoek , Yuki M Asano

Animals have evolved highly functional visual systems to understand motion, assisting perception even under complex environments. In this paper, we work towards developing a computer vision system able to segment objects by exploiting…

Computer Vision and Pattern Recognition · Computer Science 2021-08-12 Charig Yang , Hala Lamdouar , Erika Lu , Andrew Zisserman , Weidi Xie

Conventional methods in semi-supervised learning (SSL) often face challenges related to limited data utilization, mainly due to their reliance on threshold-based techniques for selecting high-confidence unlabeled data during training.…

Computer Vision and Pattern Recognition · Computer Science 2024-05-13 Wenjin Zhang , Keyi Li , Sen Yang , Chenyang Gao , Wanzhao Yang , Sifan Yuan , Ivan Marsic

The promise of self-supervised learning (SSL) is to leverage large amounts of unlabeled data to solve complex tasks. While there has been excellent progress with simple, image-level learning, recent methods have shown the advantage of…

Computer Vision and Pattern Recognition · Computer Science 2022-07-28 Olivier J. Hénaff , Skanda Koppula , Evan Shelhamer , Daniel Zoran , Andrew Jaegle , Andrew Zisserman , João Carreira , Relja Arandjelović

Traffic videos inherently differ from generic videos in their stationary camera setup, thus providing a strong motion prior where objects often move in a specific direction over a short time interval. Existing works predominantly employ…

Computer Vision and Pattern Recognition · Computer Science 2023-11-17 Lihao Liu , Yanqi Cheng , Dongdong Chen , Jing He , Pietro Liò , Carola-Bibiane Schönlieb , Angelica I Aviles-Rivero

This paper strives for motion-focused video-language representations. Existing methods to learn video-language representations use spatial-focused data, where identifying the objects and scene is often enough to distinguish the relevant…

Computer Vision and Pattern Recognition · Computer Science 2024-10-24 Hazel Doughty , Fida Mohammad Thoker , Cees G. M. Snoek

Unsupervised domain adaptation (UDA) has been a potent technique to handle the lack of annotations in the target domain, particularly in semantic segmentation task. This study introduces a different UDA scenarios where the target domain…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Fei Pan , Xu Yin , Seokju Lee , Axi Niu , Sungeui Yoon , In So Kweon

Self-supervised learning (SSL) can be used to solve complex visual tasks without human labels. Self-supervised representations encode useful semantic information about images, and as a result, they have already been used for tasks such as…

Computer Vision and Pattern Recognition · Computer Science 2023-11-27 Paul Engstler , Luke Melas-Kyriazi , Christian Rupprecht , Iro Laina

We propose a webly-supervised representation learning method that does not suffer from the annotation unscalability of supervised learning, nor the computation unscalability of self-supervised learning. Most existing works on…

Computer Vision and Pattern Recognition · Computer Science 2020-09-18 Junnan Li , Caiming Xiong , Steven C. H. Hoi