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Facial expression recognition has many potential applications which has attracted the attention of researchers in the last decade. Feature extraction is one important step in expression analysis which contributes toward fast and accurate…

Computer Vision and Pattern Recognition · Computer Science 2015-05-18 S. L. Happy , Aurobinda Routray

Automated facial expression analysis has a variety of applications in human-computer interaction. Traditional methods mainly analyze prototypical facial expressions of no more than eight discrete emotions as a classification task. However,…

Computer Vision and Pattern Recognition · Computer Science 2018-05-04 Feng Zhou , Shu Kong , Charless Fowlkes , Tao Chen , Baiying Lei

Facial expressions vary from person to person, and the brightness, contrast, and resolution of every random image are different. This is why recognizing facial expressions is very difficult. This article proposes an efficient system for…

Computer Vision and Pattern Recognition · Computer Science 2022-09-26 Faisal Ghaffar

This paper proposes a feature-based domain adaptation technique for identifying emotions in generic images, encompassing both facial and non-facial objects, as well as non-human components. This approach addresses the challenge of the…

Computer Vision and Pattern Recognition · Computer Science 2025-02-19 Puneet Kumar , Balasubramanian Raman

Emotional Intelligence in Human-Computer Interaction has attracted increasing attention from researchers in multidisciplinary research fields including psychology, computer vision, neuroscience, artificial intelligence, and related…

Human-Computer Interaction · Computer Science 2020-02-25 Amine Djerghri , Ahmed Rachid Hazourli , Alice Othmani

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…

Computer Vision and Pattern Recognition · Computer Science 2017-12-05 Adrian K. Davison , Walied Merghani , Moi Hoon Yap

Facial expression recognition is a topic of great interest in most fields from artificial intelligence and gaming to marketing and healthcare. The goal of this paper is to classify images of human faces into one of seven basic emotions. A…

Computer Vision and Pattern Recognition · Computer Science 2024-09-05 Akash Saravanan , Gurudutt Perichetla , K. S. Gayathri

This paper proposes a method to review public acceptance of products based on their brand by analyzing the facial expression of the customer intending to buy the product from a supermarket or hypermarket. In such cases, facial expression…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Vikrant Chaugule , Abhishek D , Aadheeshwar Vijayakumar , Pravin Bhaskar Ramteke , Shashidhar G. Koolagudi

Human communication is the vocal and non verbal signal to communicate with others. Human expression is a significant biometric object in picture and record databases of surveillance systems. Face appreciation has a serious role in biometric…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 P. Deivendran , P. Suresh Babu , G. Malathi , K. Anbazhagan , R. Senthil Kumar

Facial expression recognition has been an active research area over the past few decades, and it is still challenging due to the high intra-class variation. Traditional approaches for this problem rely on hand-crafted features such as SIFT,…

Computer Vision and Pattern Recognition · Computer Science 2019-02-05 Shervin Minaee , Amirali Abdolrashidi

Facial expression-based human emotion recognition is a critical research area in psychology and medicine. State-of-the-art classification performance is only reached by end-to-end trained neural networks. Nevertheless, such black-box models…

Computer Vision and Pattern Recognition · Computer Science 2024-04-12 Tim Büchner , Niklas Penzel , Orlando Guntinas-Lichius , Joachim Denzler

Facial expressions are important cues to observe human emotions. Facial expression recognition has attracted many researchers for years, but it is still a challenging topic since expression features vary greatly with the head poses,…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 S. D. Lalitha , K. K. Thyagharajan

Recognition of human emotions from the imaging templates is useful in a wide variety of human-computer interaction and intelligent systems applications. However, the automatic recognition of facial expressions using image template matching…

Computer Vision and Pattern Recognition · Computer Science 2018-01-03 Olga Krestinskaya , Alex Pappachen James

In this paper, we use semi-definite programming and generalized principal component analysis (GPCA) to distinguish between two or more different facial expressions. In the first step, semi-definite programming is used to reduce the…

Computer Vision and Pattern Recognition · Computer Science 2009-06-10 Behnood Gholami , Allen R. Tannenbaum , Wassim M. Haddad

Automated facial identification and facial expression recognition have been topics of active research over the past few decades. Facial and expression recognition find applications in human-computer interfaces, subject tracking, real-time…

Computer Vision and Pattern Recognition · Computer Science 2016-10-25 Sohini Roychowdhury , Michelle Emmons

Deep facial expression recognition faces two challenges that both stem from the large number of trainable parameters: long training times and a lack of interpretability. We propose a novel method based on evolutionary algorithms, that deals…

Neural and Evolutionary Computing · Computer Science 2020-10-14 Emmanuel Dufourq , Bruce A. Bassett

Facial emotion recognition is the task to classify human emotions in face images. It is a difficult task due to high aleatoric uncertainty and visual ambiguity. A large part of the literature aims to show progress by increasing accuracy on…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Maryam Matin , Matias Valdenegro-Toro

Human eyes concentrate different facial regions during distinct cognitive activities. We study utilising facial visual saliency maps to classify different facial expressions into different emotions. Our results show that our novel method of…

Computer Vision and Pattern Recognition · Computer Science 2018-11-13 Zhenyue Qin , Jie Wu

Human emotions analysis has been the focus of many studies, especially in the field of Affective Computing, and is important for many applications, e.g. human-computer intelligent interaction, stress analysis, interactive games, animations,…

Computer Vision and Pattern Recognition · Computer Science 2020-05-13 Mohammad Rami Koujan , Luma Alharbawee , Giorgos Giannakakis , Nicolas Pugeault , Anastasios Roussos

In this paper, we develop a new method that recognizes facial expressions, on the basis of an innovative local motion patterns feature, with three main contributions. The first one is the analysis of the face skin temporal elasticity and…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 B. Allaert , IM. Bilasco , C. Djeraba