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All current benchmarks for multimodal deepfake detection manipulate entire frames using various generation techniques, resulting in oversaturated detection accuracies exceeding 94% at the video-level classification. However, these…

Computer Vision and Pattern Recognition · Computer Science 2024-08-07 Juho Jung , Sangyoun Lee , Jooeon Kang , Yunjin Na

With the growing scale and complexity of video data, efficiently processing long video sequences poses significant challenges due to the quadratic increase in memory and computational demands associated with existing transformer-based Large…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Hosu Lee , Junho Kim , Hyunjun Kim , Yong Man Ro

Facial micro-expression recognition (MER) is a challenging problem, due to transient and subtle micro-expression (ME) actions. Most existing methods depend on hand-crafted features, key frames like onset, apex, and offset frames, or deep…

Computer Vision and Pattern Recognition · Computer Science 2025-06-18 Zhiwen Shao , Yifan Cheng , Feiran Li , Yong Zhou , Xuequan Lu , Yuan Xie , Lizhuang Ma

Face recognition has achieved great progress owing to the fast development of the deep neural network in the past a few years. As an important part of deep neural networks, a number of the loss functions have been proposed which…

Computer Vision and Pattern Recognition · Computer Science 2020-02-05 Xin Wei , Hui Wang , Bryan Scotney , Huan Wan

Micro-expressions (MEs) are spontaneous, unconscious facial expressions that have promising applications in various fields such as psychotherapy and national security. Thus, micro-expression recognition (MER) has attracted more and more…

Computer Vision and Pattern Recognition · Computer Science 2024-07-11 Ruolin Li , Lu Wang , Tingting Yang , Lisheng Xu , Bingyang Ma , Yongchun Li , Hongchao Wei

Recent advances in supervised deep learning techniques have demonstrated the possibility to remotely measure human physiological vital signs (e.g., photoplethysmograph, heart rate) just from facial videos. However, the performance of these…

Computer Vision and Pattern Recognition · Computer Science 2023-11-17 Yuxuan Ou , Yuzhe Zhang , Yuntang Wang , Shwetak Patel , Daniel McDuf , Yuzhe Yang , Xin Liu

Large Multimodal Models (LMMs) have demonstrated impressive performance in short video understanding tasks but face great challenges when applied to long video understanding. In contrast, Large Language Models (LLMs) exhibit outstanding…

Computer Vision and Pattern Recognition · Computer Science 2024-10-03 Hongchen Wei , Zhenzhong Chen

Without deploying face anti-spoofing countermeasures, face recognition systems can be spoofed by presenting a printed photo, a video, or a silicon mask of a genuine user. Thus, face presentation attack detection (PAD) plays a vital role in…

Computer Vision and Pattern Recognition · Computer Science 2022-08-30 Usman Muhammad , Mourad Oussalah

We present a new method for segmenting, and a new user interface for indexing and visualizing, the semantic content of extended instructional videos. Given a series of key frames from the video, we generate a condensed view of the data by…

Information Retrieval · Computer Science 2007-05-23 Alexander Haubold , John R. Kender

Despite the fact that many 3D human activity benchmarks being proposed, most existing action datasets focus on the action recognition tasks for the segmented videos. There is a lack of standard large-scale benchmarks, especially for current…

Computer Vision and Pattern Recognition · Computer Science 2017-03-29 Chunhui Liu , Yueyu Hu , Yanghao Li , Sijie Song , Jiaying Liu

Micro-expression recognition (MER) aims to recognize the short and subtle facial movements from the Micro-expression (ME) video clips, which reveal real emotions. Recent MER methods mostly only utilize special frames from ME video clips or…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Haihong Hao , Shuo Wang , Huixia Ben , Yanbin Hao , Yansong Wang , Weiwei Wang

Medical multimodal large language models (MLLMs) have advanced image understanding and short-video analysis, but real clinical review often requires full-procedure video understanding. Unlike general long videos, medical procedures contain…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Bodong Du , Bowen Liu , Yang Yu , Xinpeng Ding , Zhiheng Wu , Shuning Wang , Shuo Nie , Naiming Liu , Qifeng Chen , Yangqiu Song , Xiaomeng Li

Understanding of video creativity and content often varies among individuals, with differences in focal points and cognitive levels across different ages, experiences, and genders. There is currently a lack of research in this area, and…

Computer Vision and Pattern Recognition · Computer Science 2024-09-06 Minghui Wu , Chenxu Zhao , Anyang Su , Donglin Di , Tianyu Fu , Da An , Min He , Ya Gao , Meng Ma , Kun Yan , Ping Wang

This paper presents MMA-MRNNet, a novel deep learning architecture for dynamic multi-output Facial Expression Intensity Estimation (FEIE) from video data. Traditional approaches to this task often rely on complex 3-D CNNs, which require…

Computer Vision and Pattern Recognition · Computer Science 2024-09-05 Dimitrios Kollias , Andreas Psaroudakis , Anastasios Arsenos , Paraskevi Theofilou , Chunchang Shao , Guanyu Hu , Ioannis Patras

We introduce a novel approach for high-resolution talking head generation from a single image and audio input. Prior methods using explicit face models, like 3D morphable models (3DMM) and facial landmarks, often fall short in generating…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Sejong Yang , Seoung Wug Oh , Yang Zhou , Seon Joo Kim

Temporal Action Detection (TAD) in untrimmed videos poses significant challenges, particularly for Activities of Daily Living (ADL) requiring models to (1) process long-duration videos, (2) capture temporal variations in actions, and (3)…

Computer Vision and Pattern Recognition · Computer Science 2025-12-18 Arkaprava Sinha , Monish Soundar Raj , Pu Wang , Ahmed Helmy , Hieu Le , Srijan Das

We study the recent progress on dynamic view synthesis (DVS) from monocular video. Though existing approaches have demonstrated impressive results, we show a discrepancy between the practical capture process and the existing experimental…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Hang Gao , Ruilong Li , Shubham Tulsiani , Bryan Russell , Angjoo Kanazawa

Micro-Expression Recognition has become challenging, as it is extremely difficult to extract the subtle facial changes of micro-expressions. Recently, several approaches proposed several expression-shared features algorithms for…

Computer Vision and Pattern Recognition · Computer Science 2021-01-14 Ling Zhou , Qirong Mao , Xiaohua Huang , Feifei Zhang , Zhihong Zhang

Human action recognition is an active research area in computer vision. Although great process has been made, previous methods mostly recognize actions based on depth data at only one scale, and thus they often neglect multi-scale features…

Computer Vision and Pattern Recognition · Computer Science 2021-01-20 Chang Li , Qian Huang , Xing Li , Qianhan Wu

While impressive progress has been achieved, video instance segmentation (VIS) methods with per-clip input often fail on challenging videos with occluded objects and crowded scenes. This is mainly because instance queries in these methods…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Minghan Li , Shuai Li , Wangmeng Xiang , Lei Zhang