中文
相关论文

相关论文: Micro-expression detection in long videos using op…

200 篇论文

Micro-expressions are nonverbal facial expressions that reveal the covert emotions of individuals, making the micro-expression recognition task receive widespread attention. However, the micro-expression recognition task is challenging due…

图像与视频处理 · 电气工程与系统科学 2024-06-13 Ren Zhang , Jianqin Yin , Chao Qi , Zehao Wang , Zhicheng Zhang , Yonghao Dang

Facial micro-expressions are very brief, spontaneous facial expressions that appear on the face of humans when they either deliberately or unconsciously conceal an emotion. Micro-expression has shorter duration than macro-expression, which…

计算机视觉与模式识别 · 计算机科学 2018-05-08 Walied Merghani , Adrian K. Davison , Moi Hoon Yap

Anomalous diffusion occurs in many physical and biological phenomena, when the growth of the mean squared displacement (MSD) with time has an exponent different from one. We show that recurrent neural networks (RNN) can efficiently…

统计力学 · 物理学 2019-07-24 Stefano Bo , Falko Schmidt , Ralf Eichhorn , Giovanni Volpe

This paper presents baseline results for the first Micro-Expression Spotting Challenge 2019 by evaluating local temporal pattern (LTP) on SAMM and CAS(ME)2. The proposed LTP patterns are extracted by applying PCA in a temporal window on…

计算机视觉与模式识别 · 计算机科学 2019-07-16 Jingting Li , Catherine Soladie , Renaud Sguier , Sujing Wang , Moi Hoon Yap

The automatic recognition of micro-expression has been boosted ever since the successful introduction of deep learning approaches. As researchers working on such topics are moving to learn from the nature of micro-expression, the practice…

计算机视觉与模式识别 · 计算机科学 2019-08-20 Min Peng , Chongyang Wang , Tao Bi , Tong Chen , XiangDong Zhou , Yu shi

Facial expression detection involves two interrelated tasks: spotting, which identifies the onset and offset of expressions, and recognition, which classifies them into emotional categories. Most existing methods treat these tasks…

计算机视觉与模式识别 · 计算机科学 2025-04-11 Yini Fang , Alec Diallo , Yiqi Shi , Frederic Jumelle , Bertram Shi

Micro-expression recognition (MER) has drawn increasing attention in recent years due to its potential applications in intelligent medical and lie detection. However, the shortage of annotated data has been the major obstacle to further…

计算机视觉与模式识别 · 计算机科学 2024-06-05 Hanting Li , Hongjing Niu , Feng Zhao

Micro-expressions (MEs) are subtle, transient facial changes with very low intensity, almost imperceptible to the naked eye, yet they reveal a person genuine emotion. They are of great value in lie detection, behavioral analysis, and…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Thi Bich Phuong Man , Luu Tu Nguyen , Vu Tram Anh Khuong , Thanh Ha Le , Thi Duyen Ngo

Micro-expression analysis has applications in domains such as Human-Robot Interaction and Driver Monitoring Systems. Accurately capturing subtle and fast facial movements remains difficult when relying solely on RGB cameras, due to…

计算机视觉与模式识别 · 计算机科学 2025-08-22 Nicolas Mastropasqua , Ignacio Bugueno-Cordova , Rodrigo Verschae , Daniel Acevedo , Pablo Negri , Maria E. Buemi

This paper discusses a novel method for Facial Expression Recognition System which performs facial expression analysis in a near real time from a live web cam feed. Primary objectives were to get results in a near real time with light…

计算机视觉与模式识别 · 计算机科学 2012-06-18 Saumil Srivastava

Automated Facial Expression Recognition (FER) has been a challenging task for decades. Many of the existing works use hand-crafted features such as LBP, HOG, LPQ, and Histogram of Optical Flow (HOF) combined with classifiers such as Support…

计算机视觉与模式识别 · 计算机科学 2020-04-17 Behzad Hasani , Mohammad H. Mahoor

Micro-expressions are brief spontaneous facial expressions that appear on a face when a person conceals an emotion, making them different to normal facial expressions in subtlety and duration. Currently, emotion classes within the CASME II…

计算机视觉与模式识别 · 计算机科学 2017-12-05 Adrian K. Davison , Walied Merghani , Moi Hoon Yap

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…

计算机视觉与模式识别 · 计算机科学 2021-01-14 Ling Zhou , Qirong Mao , Xiaohua Huang , Feifei Zhang , Zhihong Zhang

Facial micro-expressions (MEs) are involuntary movements of the face that occur spontaneously when a person experiences an emotion but attempts to suppress or repress the facial expression, typically found in a high-stakes environment. In…

计算机视觉与模式识别 · 计算机科学 2025-10-16 Xinqi Fan , Jingting Li , John See , Moi Hoon Yap , Wen-Huang Cheng , Xiaobai Li , Xiaopeng Hong , Su-Jing Wang , Adrian K. Davision

Micro-expressions, characterized by transience and subtlety, pose challenges to existing optical flow-based recognition methods. To address this, this paper proposes a dual-branch micro-expression feature extraction network integrated with…

计算机视觉与模式识别 · 计算机科学 2026-03-02 Mingjie Zhang , Bo Li , Wanting Liu , Hongyan Cui , Yue Li , Qingwen Li , Hong Li , Ge Gao

Micro-expressions serve as essential cues for understanding individuals' genuine emotional states. Recognizing micro-expressions attracts increasing research attention due to its various applications in fields such as business negotiation…

计算机视觉与模式识别 · 计算机科学 2024-06-14 Fengyuan Zhang , Zhaopei Huang , Xinjie Zhang , Qin Jin

A micro-expression is a spontaneous unconscious facial muscle movement that can reveal the true emotions people attempt to hide. Although manual methods have made good progress and deep learning is gaining prominence. Due to the short…

计算机视觉与模式识别 · 计算机科学 2023-01-12 Fengping Wang , Jie Li , Chun Qi , Lin Wang , Pan Wang

Spatial-temporal feature learning is of vital importance for video emotion recognition. Previous deep network structures often focused on macro-motion which extends over long time scales, e.g., on the order of seconds. We believe…

计算机视觉与模式识别 · 计算机科学 2019-11-25 Didan Deng , Zhaokang Chen , Yuqian Zhou , Bertram Shi

Automatic Micro-Expression (ME) spotting in long videos is a crucial step in ME analysis but also a challenging task due to the short duration and low intensity of MEs. When solving this problem, previous works generally lack in considering…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Shukang Yin , Shiwei Wu , Tong Xu , Shifeng Liu , Sirui Zhao , Enhong Chen

Micro-expressions are rapid and involuntary facial expressions, which indicate the suppressed or concealed emotions. Recently, the research on automatic micro-expression (ME) spotting obtains increasing attention. ME spotting is a crucial…

计算机视觉与模式识别 · 计算机科学 2017-10-10 Xiaopeng Hong , Thuong-Khanh Tran , Guoying Zhao