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Automatic facial expression recognition is an important research area in the emotion recognition and computer vision. Applications can be found in several domains such as medical treatment, driver fatigue surveillance, sociable robotics,…

Computer Vision and Pattern Recognition · Computer Science 2020-02-03 Sevegni Odilon Clement Allognon , Alessandro L. Koerich , Alceu de S. Britto

In this paper, a smile and laugh facial expression is presented based on dimension reduction and description process of the key points. The paper has two main objectives; the first is to extract the local critical points in terms of their…

Computer Vision and Pattern Recognition · Computer Science 2021-01-07 Mina Mohammadi Dashti , Majid Harouni

Facial expression is the most natural means for human beings to communicate their emotions. Most facial expression analysis studies consider the case of acted expressions. Spontaneous facial expression recognition is significantly more…

Computer Vision and Pattern Recognition · Computer Science 2018-10-02 Dawood Al Chanti , Alice Caplier

Facial emotion expression for virtual characters is used in a wide variety of areas. Often, the primary reason to use emotion expression is not to study emotion expression generation per se, but to use emotion expression in an application…

Human-Computer Interaction · Computer Science 2012-11-20 Joost Broekens , Chao Qu , Willem-Paul Brinkman

Understanding the facial expressions of our interlocutor is important to enrich the communication and to give it a depth that goes beyond the explicitly expressed. In fact, studying one's facial expression gives insight into their hidden…

Computer Vision and Pattern Recognition · Computer Science 2022-12-07 Rim EL Cheikh , Hélène Tran , Issam Falih , Engelbert Mephu Nguifo

In this article we propose a method for the recognition of faces with different facial expressions. For recognition we extract feature vectors by using log-Gabor filters of multiple orientations and scales. Using sliding window algorithm…

Computer Vision and Pattern Recognition · Computer Science 2007-05-23 Vytautas Perlibakas

Automated Facial Expression Recognition (FER) has remained a challenging and interesting problem. Despite efforts made in developing various methods for FER, existing approaches traditionally lack generalizability when applied to unseen…

Neural and Evolutionary Computing · Computer Science 2016-11-18 Ali Mollahosseini , David Chan , Mohammad H. Mahoor

This paper presents an automated system for human face recognition in a real time background world for a large homemade dataset of persons face. The task is very difficult as the real time background subtraction in an image is still a…

Computer Vision and Pattern Recognition · Computer Science 2011-08-08 K. Susheel Kumar , Vijay Bhaskar Semwal , R C Tripathi

In this paper, a face emotion is considered as the result of the composition of multiple concurrent signals, each corresponding to the movements of a specific facial muscle. These concurrent signals are represented by means of a set of…

Computer Vision and Pattern Recognition · Computer Science 2015-07-19 Liliana Lo Presti , Marco La Cascia

Analysing expressions on the person's face plays a very vital role in identifying emotions and behavior of a person. Recognizing these expressions automatically results in a crucial component of natural human-machine interfaces. Therefore…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Abhinav Lahariya , Varsha Singh , Uma Shanker Tiwary

Human face recognition has been a long standing problem in computer vision and pattern recognition. Facial analysis can be viewed as a two-fold problem, namely (i) facial representation, and (ii) classification. So far, many face…

Computer Vision and Pattern Recognition · Computer Science 2016-06-01 Mawloud Guermoui , Mohamed L. Mekhalfi

This paper presents a new proposal of an efficient computational model of face recognition which uses cues from the distributed face recognition mechanism of the brain, and by gathering engineering equivalent of these cues from existing…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Pinaki Roy Chowdhury , Angad Wadhwa , Nikhil Tyagi

An automatic Facial Expression Recognition (FER) model with Adaboost face detector, feature selection based on manifold learning and synergetic prototype based classifier has been proposed. Improved feature selection method and proposed…

Computer Vision and Pattern Recognition · Computer Science 2018-03-30 Chendi Wang

The quantified measurement of facial expressiveness is crucial to analyze human affective behavior at scale. Unfortunately, methods for expressiveness quantification at the video frame-level are largely unexplored, unlike the study of…

Computer Vision and Pattern Recognition · Computer Science 2021-10-08 Md Taufeeq Uddin , Shaun Canavan

The automatic recognition of facial expressions has been an active research topic since the early nineties. There have been several advances in the past few years in terms of face detection and tracking, feature extraction mechanisms and…

Computer Vision and Pattern Recognition · Computer Science 2012-04-02 Vinay Bettadapura

Face recognition system is one of the esteemed research areas in pattern recognition and computer vision as long as its major challenges. A few challenges in recognizing faces are blur, illumination, and varied expressions. Blur is natural…

Computer Vision and Pattern Recognition · Computer Science 2019-03-01 Anubha Pearline. S , Hemalatha. M

In this paper we describe the anatomy of a real-time facial analysis system. The system recognizes the age, gender and facial expression from users in appearing in front of the camera. All components are based on convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2018-09-17 Janne Tommola , Pedram Ghazi , Bishwo Adhikari , Heikki Huttunen

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,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Li Lin , Sarah Papabathini , Xin Wang , Shu Hu

Classification of human emotions remains an important and challenging task for many computer vision algorithms, especially in the era of humanoid robots which coexist with humans in their everyday life. Currently proposed methods for…

Computer Vision and Pattern Recognition · Computer Science 2018-10-26 Ivona Tautkute , Tomasz Trzcinski

Facial expression recognition is a challenging task due to two major problems: the presence of inter-subject variations in facial expression recognition dataset and impure expressions posed by human subjects. In this paper we present a…

Computer Vision and Pattern Recognition · Computer Science 2019-10-15 Kamran Ali , Ilkin Isler , Charles Hughes