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Temporal segmentation of long videos is an important problem, that has largely been tackled through supervised learning, often requiring large amounts of annotated training data. In this paper, we tackle the problem of self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Sathyanarayanan N. Aakur , Sudeep Sarkar

Unsupervised multi-object segmentation has shown impressive results on images by utilizing powerful semantics learned from self-supervised pretraining. An additional modality such as depth or motion is often used to facilitate the…

Computer Vision and Pattern Recognition · Computer Science 2023-10-12 Görkay Aydemir , Weidi Xie , Fatma Güney

We study self-supervised video representation learning, which is a challenging task due to 1) lack of labels for explicit supervision; 2) unstructured and noisy visual information. Existing methods mainly use contrastive loss with video…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Deng Huang , Wenhao Wu , Weiwen Hu , Xu Liu , Dongliang He , Zhihua Wu , Xiangmiao Wu , Mingkui Tan , Errui Ding

We propose a self-supervised approach for training multi-frame video denoising networks. These networks predict frame t from a window of frames around t. Our self-supervised approach benefits from the video temporal consistency by…

Computer Vision and Pattern Recognition · Computer Science 2021-04-21 Valéry Dewil , Jérémy Anger , Axel Davy , Thibaud Ehret , Pablo Arias , Gabriele Facciolo

Video summarization intends to produce a concise video summary by effectively capturing and combining the most informative parts of the whole content. Existing approaches for video summarization regard the task as a frame-wise keyframe…

Computer Vision and Pattern Recognition · Computer Science 2023-05-31 Wujiang Xu , Runzhong Wang , Xiaobo Guo , Shaoshuai Li , Qiongxu Ma , Yunan Zhao , Sheng Guo , Zhenfeng Zhu , Junchi Yan

Video processing and analysis have become an urgent task since a huge amount of videos (e.g., Youtube, Hulu) are uploaded online every day. The extraction of representative key frames from videos is very important in video processing and…

Computer Vision and Pattern Recognition · Computer Science 2022-11-15 Hao Tang , Lei Ding , Songsong Wu , Bin Ren , Nicu Sebe , Paolo Rota

With the growing popularity of short-form video sharing platforms such as \em{Instagram} and \em{Vine}, there has been an increasing need for techniques that automatically extract highlights from video. Whereas prior works have approached…

Computer Vision and Pattern Recognition · Computer Science 2015-10-07 Huan Yang , Baoyuan Wang , Stephen Lin , David Wipf , Minyi Guo , Baining Guo

This paper presents a video summarization technique for an Internet video to provide a quick way to overview its content. This is a challenging problem because finding important or informative parts of the original video requires to…

Computer Vision and Pattern Recognition · Computer Science 2016-09-29 Mayu Otani , Yuta Nakashima , Esa Rahtu , Janne Heikkilä , Naokazu Yokoya

With the explosive growth of video data, video summarization, which attempts to seek the minimum subset of frames while still conveying the main story, has become one of the hottest topics. Nowadays, substantial achievements have been made…

Computer Vision and Pattern Recognition · Computer Science 2021-05-25 Guoqiang Liang , Yanbing Lv , Shucheng Li , Shizhou Zhang , Yanning Zhang

In this work, we introduce a new problem, named as {\em story-preserving long video truncation}, that requires an algorithm to automatically truncate a long-duration video into multiple short and attractive sub-videos with each one…

Computer Vision and Pattern Recognition · Computer Science 2019-10-15 Fan Yang , Xiao Liu , Dongliang He , Chuang Gan , Jian Wang , Chao Li , Fu Li , Shilei Wen

Video summarization is a crucial technique for social understanding, enabling efficient browsing of massive multimedia content and extraction of key information from social platforms. Most existing unsupervised summarization methods rely on…

Artificial Intelligence · Computer Science 2026-01-22 Haizhou Liu , Haodong Jin , Yiming Wang , Hui Yu

Exemplar learning of visual similarities in an unsupervised manner is a problem of paramount importance to Computer Vision. In this context, however, the recent breakthrough in deep learning could not yet unfold its full potential. With…

Computer Vision and Pattern Recognition · Computer Science 2018-02-26 Artsiom Sanakoyeu , Miguel A. Bautista , Björn Ommer

Automatic keyframe detection from videos is an exercise in selecting scenes that can best summarize the content for long videos. Providing a summary of the video is an important task to facilitate quick browsing and content summarization.…

Computer Vision and Pattern Recognition · Computer Science 2023-06-26 Samed Arslan , Senem Tanberk

Most existing video summarisation methods are based on either supervised or unsupervised learning. In this paper, we propose a reinforcement learning-based weakly supervised method that exploits easy-to-obtain, video-level category labels…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Kaiyang Zhou , Tao Xiang , Andrea Cavallaro

Modern video summarization methods are based on deep neural networks that require a large amount of annotated data for training. However, existing datasets for video summarization are small-scale, easily leading to over-fitting of the deep…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Li Haopeng , Ke Qiuhong , Gong Mingming , Tom Drummond

Much more attention has been paid to unsupervised feature selection nowadays due to the emergence of massive unlabeled data. The distribution of samples and the latent effect of training a learning method using samples in more effective…

Machine Learning · Computer Science 2021-12-15 Weiyi Li , Hongmei Chen , Tianrui Li , Jihong Wan , Binbin Sang

We address an essential problem in computer vision, that of unsupervised object segmentation in video, where a main object of interest in a video sequence should be automatically separated from its background. An efficient solution to this…

Computer Vision and Pattern Recognition · Computer Science 2017-04-20 Emanuela Haller , Marius Leordeanu

Video moment retrieval aims to localize the target moment in an video according to the given sentence. The weak-supervised setting only provides the video-level sentence annotations during training. Most existing weak-supervised methods…

Computer Vision and Pattern Recognition · Computer Science 2020-08-20 Zhu Zhang , Zhijie Lin , Zhou Zhao , Jieming Zhu , Xiuqiang He

Intelligent video summarization algorithms allow to quickly convey the most relevant information in videos through the identification of the most essential and explanatory content while removing redundant video frames. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2022-02-16 Tianrui Liu , Qingjie Meng , Jun-Jie Huang , Athanasios Vlontzos , Daniel Rueckert , Bernhard Kainz

In the light of exponentially increasing video content, video summarization has attracted a lot of attention recently due to its ability to optimize time and storage. Characteristics of a good summary of a video depend on the particular…

Computer Vision and Pattern Recognition · Computer Science 2018-12-31 Vishal Kaushal , Sandeep Subramanian , Suraj Kothawade , Rishabh Iyer , Ganesh Ramakrishnan