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We propose a novel end-to-end solution for video instance segmentation (VIS) based on transformers. Recently, the per-clip pipeline shows superior performance over per-frame methods leveraging richer information from multiple frames.…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Sukjun Hwang , Miran Heo , Seoung Wug Oh , Seon Joo Kim

Current video retrieval systems, especially those used in competitions, primarily focus on querying individual keyframes or images rather than encoding an entire clip or video segment. However, queries often describe an action or event over…

Computer Vision and Pattern Recognition · Computer Science 2026-04-29 Quoc-Bao Nguyen-Le , Thanh-Huy Le-Nguyen

Models optimized for accuracy on single images are often prohibitively slow to run on each frame in a video. Recent work exploits the use of optical flow to warp image features forward from select keyframes, as a means to conserve…

Computer Vision and Pattern Recognition · Computer Science 2018-10-10 Samvit Jain , Joseph E. Gonzalez

Human affective recognition is an important factor in human-computer interaction. However, the method development with in-the-wild data is not yet accurate enough for practical usage. In this paper, we introduce the affective recognition…

Computer Vision and Pattern Recognition · Computer Science 2020-10-05 Sachihiro Youoku , Yuushi Toyoda , Takahisa Yamamoto , Junya Saito , Ryosuke Kawamura , Xiaoyu Mi , Kentaro Murase

Micro-expression recognition can obtain the real emotion of the individual at the current moment. Although deep learning-based methods, especially Transformer-based methods, have achieved impressive results, these methods have high…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Junbo Wang , Liangyu Fu , Yuke Li , Yining Zhu , Xuecheng Wu , Kun Hu

Researchers have presented systems for efficiently analysing video data at scale using sampling algorithms. While these systems effectively leverage the temporal redundancy present in videos, they suffer from three limitations. First, they…

Databases · Computer Science 2021-04-06 Jaeho Bang , Pramod Chunduri , Joy Arulraj

Micro-expression recognition (MER), a critical subfield of affective computing, presents greater challenges than macro-expression recognition due to its brief duration and low intensity. While incorporating prior knowledge has been shown to…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Chuang Ma , Shaokai Zhao , Dongdong Zhou , Yu Pei , Zhiguo Luo , Liang Xie , Ye Yan , Erwei Yin

Recent progress in large-scale text-to-video (T2V) and image-to-video (I2V) diffusion models has greatly enhanced video generation, especially in terms of keyframe interpolation. However, current image-to-video diffusion models, while…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Serin Yang , Taesung Kwon , Jong Chul Ye

Human affective recognition is an important factor in human-computer interaction. However, the method development with in-the-wild data is not yet accurate enough for practical usage. In this paper, we introduce the affective recognition…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Sachihiro Youoku , Takahisa Yamamoto , Junya Saito , Akiyoshi Uchida , Xiaoyu Mi , Ziqiang Shi , Liu Liu , Zhongling Liu , Osafumi Nakayama , Kentaro Murase

We present a novel end-to-end framework for facial performance capture given a monocular video of an actor's face. Our framework are comprised of 2 parts. First, to extract the information in the frames, we optimize a triplet loss to learn…

Graphics · Computer Science 2018-12-27 Hsien-Yu Meng , Tzu-heng Lin , Xiubao Jiang , Yao Lu , Jiangtao Wen

In this work, we tackle the challenge of enhancing the realism and expressiveness in talking head video generation by focusing on the dynamic and nuanced relationship between audio cues and facial movements. We identify the limitations of…

Computer Vision and Pattern Recognition · Computer Science 2024-08-09 Linrui Tian , Qi Wang , Bang Zhang , Liefeng Bo

Motion representation plays a vital role in human action recognition in videos. In this study, we introduce a novel compact motion representation for video action recognition, named Optical Flow guided Feature (OFF), which enables the…

Computer Vision and Pattern Recognition · Computer Science 2018-07-10 Shuyang Sun , Zhanghui Kuang , Wanli Ouyang , Lu Sheng , Wei Zhang

Recent advances in video diffusion models have driven rapid progress in video editing techniques. However, video object removal, a critical subtask of video editing, remains challenging due to issues such as hallucinated objects and visual…

Computer Vision and Pattern Recognition · Computer Science 2025-06-02 Bojia Zi , Weixuan Peng , Xianbiao Qi , Jianan Wang , Shihao Zhao , Rong Xiao , Kam-Fai Wong

Emotions play a crucial role in human behavior and decision-making, making emotion recognition a key area of interest in human-computer interaction (HCI). This study addresses the challenges of emotion recognition by integrating facial…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Zaitian Wang , Jian He , Yu Liang , Xiyuan Hu , Tianhao Peng , Kaixin Wang , Jiakai Wang , Chenlong Zhang , Weili Zhang , Shuang Niu , Xiaoyang Xie

Dynamic facial expression recognition has many useful applications in social networks, multimedia content analysis, security systems and others. This challenging process must be done under recurrent problems of image illumination and low…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Ali Raza Shahid , Sheheryar Khan , Hong Yan

In the facial expression recognition task, researchers always get low accuracy of expression classification due to a small amount of training samples. In order to solve this kind of problem, we proposes a new data augmentation method named…

Computer Vision and Pattern Recognition · Computer Science 2024-05-20 Jiaxiang Yu , Yiyang Liu , Ruiyang Fan , Guobing Sun

Video is complex due to large variations in motion and rich content in fine-grained visual details. Abstracting useful information from such information-intensive media requires exhaustive computing resources. This paper studies a two-step…

Computer Vision and Pattern Recognition · Computer Science 2022-01-12 Zhaofan Qiu , Ting Yao , Yan Shu , Chong-Wah Ngo , Tao Mei

Masked Video Autoencoder (MVA) approaches have demonstrated their potential by significantly outperforming previous video representation learning methods. However, they waste an excessive amount of computations and memory in predicting…

Computer Vision and Pattern Recognition · Computer Science 2024-06-21 Sunil Hwang , Jaehong Yoon , Youngwan Lee , Sung Ju Hwang

Utilization of event-based cameras is expected to improve the visual quality of video frame interpolation solutions. We introduce a learning-based method to exploit moving region boundaries in a video sequence to increase the overall…

Image and Video Processing · Electrical Eng. & Systems 2023-03-06 Ahmet Akman , Onur Selim Kılıç , A. Aydın Alatan

Unlike macro-expression, micro-expression does not follow a strictly consistent mapping rule between emotions and Action Units (AUs). As a result, some micro-expressions share identical AUs yet represent completely opposite emotional…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Chenxing Hu , Kun Xie , Qiguang Miao , Ruyi Liu , Quan Wang , Zongkai Yang