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Changes in facial expression, head movement, body movement and gesture movement are remarkable cues in sign language recognition, and most of the current continuous sign language recognition(CSLR) research methods mainly focus on static…

Computer Vision and Pattern Recognition · Computer Science 2024-03-01 Qidan Zhu , Jing Li , Fei Yuan , Quan Gan

Facial expressions are an important way through which humans interact socially. Building a system capable of automatically recognizing facial expressions from images and video has been an intense field of study in recent years. Interpreting…

Computer Vision and Pattern Recognition · Computer Science 2016-06-13 Ciprian Corneanu , Marc Oliu , Jeffrey F. Cohn , Sergio Escalera

In this paper, a novel method for representation and recognition of the facial expressions in two-dimensional image sequences is presented. We apply a variation of two-dimensional heteroscedastic linear discriminant analysis (2DHLDA)…

Computer Vision and Pattern Recognition · Computer Science 2012-07-23 Mahmoud Khademi , Mohammad H. Kiapour , Mehran Safayani , Mohammad T. Manzuri , M. Shojaei

This paper targets to explore the inter-subject variations eliminated facial expression representation in the compressed video domain. Most of the previous methods process the RGB images of a sequence, while the off-the-shelf and valuable…

Computer Vision and Pattern Recognition · Computer Science 2021-01-11 Xiaofeng Liu , Linghao Jin , Xu Han , Jun Lu , Jane You , Lingsheng Kong

Nowadays, it is possible to scan faces and automatically register them with high quality. However, the resulting face meshes often need further processing: we need to stabilize them to remove unwanted head movement. Stabilization is…

Computer Vision and Pattern Recognition · Computer Science 2024-11-25 Jan Bednarik , Erroll Wood , Vasileios Choutas , Timo Bolkart , Daoye Wang , Chenglei Wu , Thabo Beeler

One of the most common problems encountered in human-computer interaction is automatic facial expression recognition. Although it is easy for human observer to recognize facial expressions, automatic recognition remains difficult for…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Mohamad Roshanzamir , Roohallah Alizadehsani , Mahdi Roshanzamir , Afshin Shoeibi , Juan M. Gorriz , Abbas Khosrave , Saeid Nahavandi

Facial expression recognition (FER) in 3D and 4D domains presents a significant challenge in affective computing due to the complexity of spatial and temporal facial dynamics. Its success is crucial for advancing applications in human…

Computer Vision and Pattern Recognition · Computer Science 2025-07-03 Muzammil Behzad

In this paper we propose an easiest approach for facial expression recognition. Here we are using concept of SVM for Expression Classification. Main problem is sub divided in three main modules. First one is Face detection in which we are…

Computer Vision and Pattern Recognition · Computer Science 2013-05-14 Preeti Badar , Urmila Shrawankar

Prior work has shown that the order in which different components of the face are learned using a sequential learner can play an important role in the performance of facial expression recognition systems. We propose FaceTopoNet, an…

Computer Vision and Pattern Recognition · Computer Science 2022-09-15 Mojtaba Kolahdouzi , Alireza Sepas-Moghaddam , Ali Etemad

Traditional 3D morphable face models (3DMMs) provide fine-grained control over expression but cannot easily capture geometric and appearance details. Neural volumetric representations approach photorealism but are hard to animate and do not…

Computer Vision and Pattern Recognition · Computer Science 2022-11-07 Yufeng Zheng , Victoria Fernández Abrevaya , Marcel C. Bühler , Xu Chen , Michael J. Black , Otmar Hilliges

In this work, we address the problem of 4D facial expressions generation. This is usually addressed by animating a neutral 3D face to reach an expression peak, and then get back to the neutral state. In the real world though, people show…

Computer Vision and Pattern Recognition · Computer Science 2023-05-19 Naima Otberdout , Claudio Ferrari , Mohamed Daoudi , Stefano Berretti , Alberto Del Bimbo

Effective expression feature representations generated by a triplet-based deep metric learning are highly advantageous for facial expression recognition (FER). The performance of triplet-based deep metric learning is contingent upon…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Wenwu Yang , Jinyi Yu , Tuo Chen , Zhenguang Liu , Xun Wang , Jianbing Shen

Facial expressions play a crucial role in human communication serving as a powerful and impactful means to express a wide range of emotions. With advancements in artificial intelligence and computer vision, deep neural networks have emerged…

Computer Vision and Pattern Recognition · Computer Science 2025-01-15 Yassine El Boudouri , Amine Bohi

Spatio-temporal information is very important to capture the discriminative cues between genuine and fake faces from video sequences. To explore such a temporal feature, the fine-grained motions (e.g., eye blinking, mouth movements and head…

Computer Vision and Pattern Recognition · Computer Science 2019-01-18 Xiaoguang Tu , Hengsheng Zhang , Mei Xie , Yao Luo , Yuefei Zhang , Zheng Ma

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…

Computer Vision and Pattern Recognition · Computer Science 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

This paper presents a lightweight algorithm for feature extraction, classification of seven different emotions, and facial expression recognition in a real-time manner based on static images of the human face. In this regard, a Multi-Layer…

Computer Vision and Pattern Recognition · Computer Science 2022-02-02 Mohammad Amin Haghpanah , Ehsan Saeedizade , Mehdi Tale Masouleh , Ahmad Kalhor

Inspired by the observation that humans are able to process videos efficiently by only paying attention where and when it is needed, we propose an interpretable and easy plug-in spatial-temporal attention mechanism for video action…

Computer Vision and Pattern Recognition · Computer Science 2019-06-04 Lili Meng , Bo Zhao , Bo Chang , Gao Huang , Wei Sun , Frederich Tung , Leonid Sigal

In this paper, we propose a method that learns a general representation of periodic signals from unlabeled facial videos by capturing subtle changes in skin tone over time. The proposed framework employs the video masked autoencoder to…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Jiho Choi , Sang Jun Lee

Analyzing temporal developments is crucial for the accurate prognosis of many medical conditions. Temporal changes that occur over short time scales are key to assessing the health of physiological functions, such as the cardiac cycle.…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Chengzhi Shen , Martin J. Menten , Hrvoje Bogunović , Ursula Schmidt-Erfurth , Hendrik Scholl , Sobha Sivaprasad , Andrew Lotery , Daniel Rueckert , Paul Hager , Robbie Holland

This paper introduces EXMOVES, learned exemplar-based features for efficient recognition of actions in videos. The entries in our descriptor are produced by evaluating a set of movement classifiers over spatial-temporal volumes of the input…

Computer Vision and Pattern Recognition · Computer Science 2014-03-31 Du Tran , Lorenzo Torresani