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Facial expression spotting, identifying periods where facial expressions occur in a video, is a significant yet challenging task in facial expression analysis. The issues of irrelevant facial movements and the challenge of detecting subtle…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Yicheng Deng , Hideaki Hayashi , Hajime Nagahara

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…

计算机视觉与模式识别 · 计算机科学 2025-06-18 Zhiwen Shao , Yifan Cheng , Feiran Li , Yong Zhou , Xuequan Lu , Yuan Xie , Lizhuang Ma

Micro-expression recognition is one of the most challenging topics in affective computing. It aims to recognize tiny facial movements difficult for humans to perceive in a brief period, i.e., 0.25 to 0.5 seconds. Recent advances in…

计算机视觉与模式识别 · 计算机科学 2023-04-07 Xuan-Bac Nguyen , Chi Nhan Duong , Xin Li , Susan Gauch , Han-Seok Seo , Khoa Luu

Human affective behavior analysis aims to delve into human expressions and behaviors to deepen our understanding of human emotions. Basic expression categories (EXPR) and Action Units (AUs) are two essential components in this analysis,…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Li Lin , Sarah Papabathini , Xin Wang , Shu Hu

This paper introduces Low-shot Object Learning with Mutual Exclusivity Bias (LSME), the first computational framing of mutual exclusivity bias, a phenomenon commonly observed in infants during word learning. We provide a novel dataset,…

计算机视觉与模式识别 · 计算机科学 2023-12-07 Anh Thai , Ahmad Humayun , Stefan Stojanov , Zixuan Huang , Bikram Boote , James M. Rehg

There are many Local texture features each very in way they implement and each of the Algorithm trying improve the performance. An attempt is made in this paper to represent a theoretically very simple and computationally effective approach…

计算机视觉与模式识别 · 计算机科学 2015-09-24 Abdullah Gubbi , Mohammed Fazle Azeem , Zahid Ansari

In recent decades, the automatic video surveillance system has gained significant importance in computer vision community. The crucial objective of surveillance is monitoring and security in public places. In the traditional Local Binary…

计算机视觉与模式识别 · 计算机科学 2021-02-02 Shahbano , Muhammad Abdullah , Kashif Inayat

Feature extraction is a very crucial task in image and pixel (voxel) classification and regression in biomedical image modeling. In this work we present a machine learning based feature extraction scheme based on inception models for pixel…

机器学习 · 统计学 2018-04-09 Giles Tetteh , Markus Rempfler , Bjoern H. Menze , Claus Zimmer

Accurately analyzing spontaneous, unconscious micro-expressions is crucial for revealing true human emotions, but this task remains challenging in wild scenarios, such as natural conversation. Existing research largely relies on datasets…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Yigui Feng , Qinglin Wang , Yang Liu , Ke Liu , Haotian Mo , Enhao Huang , Gencheng Liu , Mingzhe Liu , Jie Liu

The recent research of facial expression recognition has made a lot of progress due to the development of deep learning technologies, but some typical challenging problems such as the variety of rich facial expressions and poses are still…

计算机视觉与模式识别 · 计算机科学 2019-07-26 Wenxuan Wang , Qiang Sun , Tao Chen , Chenjie Cao , Ziqi Zheng , Guoqiang Xu , Han Qiu , Yanwei Fu

Correctly identifying multiword expressions (MWEs) is an important task for most natural language processing systems since their misidentification can result in ambiguity and misunderstanding of the underlying text. In this work, we…

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 2026-03-11 Xinqi Fan , Jingting Li , John See , Moi Hoon Yap , Su-Jing Wang , Adrian K. Davison

With the accumulation of big data of CME observations by coronagraphs, automatic detection and tracking of CMEs has proven to be crucial. The excellent performance of convolutional neural network in image classification, object detection…

太阳与恒星天体物理 · 物理学 2019-09-25 Pengyu Wang , Yan Zhang , Li Feng , Hanqing Yuan , Yuan Gan , Shuting Li , Lei Lu , Beili Ying , Weiqun Gan , Hui Li

Facial expression has a significant role in analyzing human cognitive state. Deriving an accurate facial appearance representation is a critical task for an automatic facial expression recognition application. This paper provides a new…

计算机视觉与模式识别 · 计算机科学 2018-07-25 Monu Verma , Prafulla Saxena , Santosh. K. Vipparthi , Gridhari Singh

The task of macro- and micro-expression spotting aims to precisely localize and categorize temporal expression instances within untrimmed videos. Given the sparse distribution and varying durations of expressions, existing anchor-based…

计算机视觉与模式识别 · 计算机科学 2024-10-25 Wang-Wang Yu , Kai-Fu Yang , Xiangrui Hu , Jingwen Jiang , Hong-Mei Yan , Yong-Jie Li

Speech-preserving facial expression manipulation (SPFEM) aims to enhance human expressiveness without altering mouth movements tied to the original speech. A primary challenge in this domain is the scarcity of paired data, namely aligned…

计算机视觉与模式识别 · 计算机科学 2026-04-29 Tianshui Chen , Yujie Zhu , Jianman Lin , Zhijing Yang , Chunmei Qing , Feng Gao , Liang Lin

A key recent advance in face recognition models a test face image as a sparse linear combination of a set of training face images. The resulting sparse representations have been shown to possess robustness against a variety of distortions…

计算机视觉与模式识别 · 计算机科学 2011-11-09 Yi Chen , Umamahesh Srinivas , Thong T. Do , Vishal Monga , Trac D. Tran

Mechanistic interpretability aims to understand the behavior of neural networks by reverse-engineering their internal computations. However, current methods struggle to find clear interpretations of neural network activations because a…

In this paper we address the problem of multi-cue affect recognition in challenging scenarios such as child-robot interaction. Towards this goal we propose a method for automatic recognition of affect that leverages body expressions…

计算机视觉与模式识别 · 计算机科学 2019-09-06 Panagiotis P. Filntisis , Niki Efthymiou , Petros Koutras , Gerasimos Potamianos , Petros Maragos

Facial expressions have essential cues to infer the humans state of mind, that conveys adequate information to understand individuals actual feelings. Thus, automatic facial expression recognition is an interesting and crucial task to…

计算机视觉与模式识别 · 计算机科学 2019-04-16 Monu Verma , Jaspreet Kaur Bhui , Santosh Vipparthi , Girdhari Singh