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Several computer algorithms for recognition of visible human emotions are compared at the web camera scenario using CNN/MMOD face detector. The recognition refers to four face expressions: smile, surprise, anger, and neutral. At the feature…

Computer Vision and Pattern Recognition · Computer Science 2019-02-01 Rafal Pilarczyk , Xin Chang , Wladyslaw Skarbek

This paper is focused on the automatic extraction of persons and their attributes (gender, year of born) from album of photos and videos. We propose the two-stage approach, in which, firstly, the convolutional neural network simultaneously…

Computer Vision and Pattern Recognition · Computer Science 2019-06-18 Andrey V. Savchenko

Existing approaches in video captioning concentrate on exploring global frame features in the uncompressed videos, while the free of charge and critical saliency information already encoded in the compressed videos is generally neglected.…

Computer Vision and Pattern Recognition · Computer Science 2021-01-05 Mingjian Zhu , Chenrui Duan , Changbin Yu

Rapid progress in deep learning is continuously making it easier and cheaper to generate video forgeries. Hence, it becomes very important to have a reliable way of detecting these forgeries. This paper describes such an approach for…

Computer Vision and Pattern Recognition · Computer Science 2020-04-27 Nika Dogonadze , Jana Obernosterer , Ji Hou

Key frames play an important role in video annotation. It is one of the widely used methods for video abstraction as this will help us for processing a large set of video data with sufficient content representation in faster way. In this…

Computer Vision and Pattern Recognition · Computer Science 2016-05-31 Siddu P Algur , Vivek R

Recently, 3D convolutional networks yield good performance in action recognition. However, optical flow stream is still needed to ensure better performance, the cost of which is very high. In this paper, we propose a fast but effective way…

Computer Vision and Pattern Recognition · Computer Science 2020-01-17 Li Tao , Xueting Wang , Toshihiko Yamasaki

We propose a real time deep learning framework for video-based facial expression capture. Our process uses a high-end facial capture pipeline based on FACEGOOD to capture facial expression. We train a convolutional neural network to produce…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Hongwei Xu , Leijia Dai , Jianxing Fu , Xiangyuan Wang , Quanwei Wang

Face image quality is an important factor in facial recognition systems as its verification and recognition accuracy is highly dependent on the quality of image presented. Rejecting low quality images can significantly increase the accuracy…

Computer Vision and Pattern Recognition · Computer Science 2018-11-13 Vishal Agarwal

Although deep learning approaches have achieved performance surpassing humans for still image-based face recognition, unconstrained video-based face recognition is still a challenging task due to large volume of data to be processed and…

Computer Vision and Pattern Recognition · Computer Science 2019-08-13 Jingxiao Zheng , Rajeev Ranjan , Ching-Hui Chen , Jun-Cheng Chen , Carlos D. Castillo , Rama Chellappa

Most existing video moment retrieval methods rely on temporal sequences of frame- or clip-level features that primarily encode global visual and semantic information. However, such representations often fail to capture fine-grained object…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Zongyao Li , Yongkang Wong , Satoshi Yamazaki , Jianquan Liu , Mohan Kankanhalli

Content based video retrieval is an approach for facilitating the searching and browsing of large image collections over World Wide Web. In this approach, video analysis is conducted on low level visual properties extracted from video…

Multimedia · Computer Science 2012-11-21 B. V. Patel , B. B. Meshram

Although the problem of automatic video summarization has recently received a lot of attention, the problem of creating a video summary that also highlights elements relevant to a search query has been less studied. We address this problem…

Computer Vision and Pattern Recognition · Computer Science 2017-09-29 Arun Balajee Vasudevan , Michael Gygli , Anna Volokitin , Luc Van Gool

The rise of deepfake technology brings forth new questions about the authenticity of various forms of media found online today. Videos and images generated by artificial intelligence (AI) have become increasingly more difficult to…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Benjamin Carter , Nathan Dilla , Micheal Callahan , Atuhaire Ambala

Video-based person reID is an important task, which has received much attention in recent years due to the increasing demand in surveillance and camera networks. A typical video-based person reID system consists of three parts: an…

Computer Vision and Pattern Recognition · Computer Science 2018-05-09 Jiyang Gao , Ram Nevatia

This paper proposes a simple yet effective method for human action recognition in video. The proposed method separately extracts local appearance and motion features using state-of-the-art three-dimensional convolutional neural networks…

Computer Vision and Pattern Recognition · Computer Science 2020-02-24 David Torpey , Turgay Celik

Face Recognition is one of the process of identifying people using their face, it has various applications like authentication systems, surveillance systems and law enforcement. Convolutional Neural Networks are proved to be best for facial…

Computer Vision and Pattern Recognition · Computer Science 2020-10-12 Rohith Pudari , Sunil Bhutada , Sai Pavan Mudavath

Due to the massive explanation of artificial intelligence, machine learning technology is being used in various areas of our day-to-day life. In the world, there are a lot of scenarios where a simple crime can be prevented before it may…

Computer Vision and Pattern Recognition · Computer Science 2022-06-30 Md. Towfiqul Islam , Tanzim Ahmed , A. B. M. Raihanur Rashid , Taminul Islam , Md. Sadekur Rahman , Md. Tarek Habib

Facial expression spotting is the preliminary step for micro- and macro-expression analysis. The task of reliably spotting such expressions in video sequences is currently unsolved. The current best systems depend upon optical flow methods…

Computer Vision and Pattern Recognition · Computer Science 2022-05-30 Chuin Hong Yap , Moi Hoon Yap , Adrian K. Davison , Connah Kendrick , Jingting Li , Sujing Wang , Ryan Cunningham

Motion is a salient cue to recognize actions in video. Modern action recognition models leverage motion information either explicitly by using optical flow as input or implicitly by means of 3D convolutional filters that simultaneously…

Computer Vision and Pattern Recognition · Computer Science 2020-05-28 Heng Wang , Du Tran , Lorenzo Torresani , Matt Feiszli

Typical person re-identification frameworks search for k best matches in a gallery of images that are often collected in varying conditions. The gallery may contain image sequences when re-identification is done on videos. However, such a…

Computer Vision and Pattern Recognition · Computer Science 2019-02-14 Sk. Arif Ahmed , Debi Prosad Dogra , Heeseung Choi , Seungho Chae , Ig-Jae Kim