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Related papers: Unsupervised learning from videos using temporal c…

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We propose a self-supervised visual learning method by predicting the variable playback speeds of a video. Without semantic labels, we learn the spatio-temporal visual representation of the video by leveraging the variations in the visual…

Computer Vision and Pattern Recognition · Computer Science 2021-06-02 Hyeon Cho , Taehoon Kim , Hyung Jin Chang , Wonjun Hwang

Recent works demonstrated the usefulness of temporal coherence to regularize supervised training or to learn invariant features with deep architectures. In particular, enforcing smooth output changes while presenting temporally-closed…

Machine Learning · Computer Science 2016-01-05 Davide Maltoni , Vincenzo Lomonaco

Learning to recognize actions from only a handful of labeled videos is a challenging problem due to the scarcity of tediously collected activity labels. We approach this problem by learning a two-pathway temporal contrastive model using…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Ankit Singh , Omprakash Chakraborty , Ashutosh Varshney , Rameswar Panda , Rogerio Feris , Kate Saenko , Abir Das

In recent years, there has been remarkable progress in supervised image segmentation. Video segmentation is less explored, despite the temporal dimension being highly informative. Semantic labels, e.g. that cannot be accurately detected in…

Computer Vision and Pattern Recognition · Computer Science 2019-08-30 Radu Sibechi , Olaf Booij , Nora Baka , Peter Bloem

Unsupervised learning from visual data is one of the most difficult challenges in computer vision, being a fundamental task for understanding how visual recognition works. From a practical point of view, learning from unsupervised visual…

Computer Vision and Pattern Recognition · Computer Science 2017-04-03 Ioana Croitoru , Simion-Vlad Bogolin , Marius Leordeanu

This paper introduces a novel method for self-supervised video representation learning via feature prediction. In contrast to the previous methods that focus on future feature prediction, we argue that a supervisory signal arising from…

Computer Vision and Pattern Recognition · Computer Science 2020-11-13 Nadine Behrmann , Juergen Gall , Mehdi Noroozi

In this paper, we propose to learn temporal embeddings of video frames for complex video analysis. Large quantities of unlabeled video data can be easily obtained from the Internet. These videos possess the implicit weak label that they are…

Computer Vision and Pattern Recognition · Computer Science 2015-05-05 Vignesh Ramanathan , Kevin Tang , Greg Mori , Li Fei-Fei

The advancement of visual tracking has continuously been brought by deep learning models. Typically, supervised learning is employed to train these models with expensive labeled data. In order to reduce the workload of manual annotations…

Computer Vision and Pattern Recognition · Computer Science 2020-07-24 Ning Wang , Wengang Zhou , Yibing Song , Chao Ma , Wei Liu , Houqiang Li

In order to provide the right type of assistance at the right time, computer-assisted surgery systems need context awareness. To achieve this, methods for surgical workflow analysis are crucial. Currently, convolutional neural networks…

Computer Vision and Pattern Recognition · Computer Science 2018-10-05 Isabel Funke , Alexander Jenke , Sören Torge Mees , Jürgen Weitz , Stefanie Speidel , Sebastian Bodenstedt

Self-supervised learning has shown great potentials in improving the deep learning model in an unsupervised manner by constructing surrogate supervision signals directly from the unlabeled data. Different from existing works, we present a…

Computer Vision and Pattern Recognition · Computer Science 2020-08-06 Jinpeng Wang , Yiqi Lin , Andy J. Ma

Natural videos provide rich visual contents for self-supervised learning. Yet most existing approaches for learning spatio-temporal representations rely on manually trimmed videos, leading to limited diversity in visual patterns and limited…

Computer Vision and Pattern Recognition · Computer Science 2022-04-08 Zhiwu Qing , Shiwei Zhang , Ziyuan Huang , Yi Xu , Xiang Wang , Mingqian Tang , Changxin Gao , Rong Jin , Nong Sang

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

Assigning consistent temporal identifiers to multiple moving objects in a video sequence is a challenging problem. A solution to that problem would have immediate ramifications in multiple object tracking and segmentation problems. We…

Computer Vision and Pattern Recognition · Computer Science 2021-11-08 Abubakar Siddique , Reza Jalil Mozhdehi , Henry Medeiros

Recent single image unsupervised representation learning techniques show remarkable success on a variety of tasks. The basic principle in these works is instance discrimination: learning to differentiate between two augmented versions of…

Computer Vision and Pattern Recognition · Computer Science 2020-05-08 Daniel Gordon , Kiana Ehsani , Dieter Fox , Ali Farhadi

We propose a self-supervised learning approach for videos that learns representations of both the RGB frames and the accompanying audio without human supervision. In contrast to images that capture the static scene appearance, videos also…

Computer Vision and Pattern Recognition · Computer Science 2023-02-16 Simon Jenni , Alexander Black , John Collomosse

The success of deep neural networks generally requires a vast amount of training data to be labeled, which is expensive and unfeasible in scale, especially for video collections. To alleviate this problem, in this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2019-04-05 Longlong Jing , Xiaodong Yang , Jingen Liu , Yingli Tian

We propose a realistic scenario for the unsupervised video learning where neither task boundaries nor labels are provided when learning a succession of tasks. We also provide a non-parametric learning solution for the under-explored problem…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 Nattapong Kurpukdee , Adrian G. Bors

We propose a self-supervised learning method to jointly reason about spatial and temporal context for video recognition. Recent self-supervised approaches have used spatial context [9, 34] as well as temporal coherency [32] but a…

Computer Vision and Pattern Recognition · Computer Science 2018-08-24 Unaiza Ahsan , Rishi Madhok , Irfan Essa

The recent success in human action recognition with deep learning methods mostly adopt the supervised learning paradigm, which requires significant amount of manually labeled data to achieve good performance. However, label collection is an…

Computer Vision and Pattern Recognition · Computer Science 2018-09-07 Junnan Li , Yongkang Wong , Qi Zhao , Mohan S. Kankanhalli

Because of the rich dynamical structure of videos and their ubiquity in everyday life, it is a natural idea that video data could serve as a powerful unsupervised learning signal for training visual representations in deep neural networks.…

Computer Vision and Pattern Recognition · Computer Science 2020-03-12 Chengxu Zhuang , Tianwei She , Alex Andonian , Max Sobol Mark , Daniel Yamins