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Facial expression is a standout amongst the most imperative features of human emotion recognition. For demonstrating the emotional states facial expressions are utilized by the people. In any case, recognition of facial expressions has…

Computer Vision and Pattern Recognition · Computer Science 2020-09-30 S. D. Lalitha , K. K. Thyagharajan

Facial action units (AUs) detection is fundamental to facial expression analysis. As AU occurs only in a small area of the face, region-based learning has been widely recognized useful for AU detection. Most region-based studies focus on a…

Computer Vision and Pattern Recognition · Computer Science 2020-02-12 Yao Xia

Deep learning based facial expression recognition (FER) has received a lot of attention in the past few years. Most of the existing deep learning based FER methods do not consider domain knowledge well, which thereby fail to extract…

Computer Vision and Pattern Recognition · Computer Science 2019-12-03 Yuedong Chen , Jianfeng Wang , Shikai Chen , Zhongchao Shi , Jianfei Cai

In this paper an accurate real-time sequence-based system for representation, recognition, interpretation, and analysis of the facial action units (AUs) and expressions is presented. Our system has the following characteristics: 1)…

Computer Vision and Pattern Recognition · Computer Science 2010-04-06 Mahmoud Khademi , Mohammad Hadi Kiapour , Mohammad T. Manzuri-Shalmani , Ali A. Kiaei

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

This paper presents a subject-independent facial action unit (AU) detection method by introducing the concept of relative AU detection, for scenarios where the neutral face is not provided. We propose a new classification objective function…

Computer Vision and Pattern Recognition · Computer Science 2014-05-02 Mahmoud Khademi , Louis-Philippe Morency

Current state-of-the-art models for automatic Facial Expression Recognition (FER) are based on very deep neural networks that are effective but rather expensive to train. Given the dynamic conditions of FER, this characteristic hinders such…

Computer Vision and Pattern Recognition · Computer Science 2020-09-17 Pablo Barros , Nikhil Churamani , Alessandra Sciutti

Facial expressions are combinations of basic components called Action Units (AU). Recognizing AUs is key for developing general facial expression analysis. In recent years, most efforts in automatic AU recognition have been dedicated to…

Computer Vision and Pattern Recognition · Computer Science 2018-03-26 Ciprian A. Corneanu , Meysam Madadi , Sergio Escalera

This paper presents a novel descriptor named Region based Extensive Response Index Pattern (RETRaIN) for facial expression recognition. The RETRaIN encodes the relation among the reference and neighboring pixels of facial active regions.…

Computer Vision and Pattern Recognition · Computer Science 2018-11-27 Monu Verma , Santosh. K. Vipparthi , Girdhari Singh

In recent years, face recognition systems have achieved exceptional success due to promising advances in deep learning architectures. However, they still fail to achieve expected accuracy when matching profile images against a gallery of…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Moktari Mostofa , Mohammad Saeed Ebrahimi Saadabadi , Sahar Rahimi Malakshan , Nasser M. Nasrabadi

Group emotion recognition in the wild is a challenging problem, due to the unstructured environments in which everyday life pictures are taken. Some of the obstacles for an effective classification are occlusions, variable lighting…

Computer Vision and Pattern Recognition · Computer Science 2017-09-13 Luca Surace , Massimiliano Patacchiola , Elena Battini Sönmez , William Spataro , Angelo Cangelosi

Meaningful facial parts can convey key cues for both facial action unit detection and expression prediction. Textured 3D face scan can provide both detailed 3D geometric shape and 2D texture appearance cues of the face which are beneficial…

Computer Vision and Pattern Recognition · Computer Science 2018-03-16 Asim Jan , Huaxiong Ding , Hongying Meng , Liming Chen , Huibin Li

Facial attributes are soft-biometrics that allow limiting the search space, e.g., by rejecting identities with non-matching facial characteristics such as nose sizes or eyebrow shapes. In this paper, we investigate how the latest versions…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Manuel Günther , Andras Rozsa , Terrance E. Boult

Over the last few years, automatic facial micro-expression analysis has garnered increasing attention from experts across different disciplines because of its potential applications in various fields such as clinical diagnosis, forensic…

Computer Vision and Pattern Recognition · Computer Science 2018-06-18 Yee-Hui Oh , John See , Anh Cat Le Ngo , Raphael Chung-Wei Phan , Vishnu Monn Baskaran

Emotion recognition using digital image processing is a multifarious task because facial emotions depend on warped facial features as well as on gender, age, and culture. Furthermore, there are several factors such as varied illumination…

Computer Vision and Pattern Recognition · Computer Science 2021-03-02 Aasma Aslam , Babar Hussian

Research on human face processing using eye movements has provided evidence that we recognize face images successfully focusing our visual attention on a few inner facial regions, mainly on the eyes, nose and mouth. To understand how we…

Computer Vision and Pattern Recognition · Computer Science 2017-09-06 Carlos E. Thomaz , Vagner Amaral , Gilson A. Giraldi , Duncan F. Gillies , Daniel Rueckert

Facial expression perception in humans inherently relies on prior knowledge and contextual cues, contributing to efficient and flexible processing. For instance, multi-modal emotional context (such as voice color, affective text, body pose,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-05 Florian Blume , Runfeng Qu , Pia Bideau , Martin Maier , Rasha Abdel Rahman , Olaf Hellwich

Facial expressions convey nonverbal cues which play an important role in interpersonal relations, and are widely used in behavior interpretation of emotions, cognitive science, and social interactions. In this paper we analyze different…

Computer Vision and Pattern Recognition · Computer Science 2016-04-18 Deepak Ghimire , Joonwhoan Lee , Ze-Nian Li , Sunghwan Jeong

Affective behaviour analysis has aroused researchers' attention due to its broad applications. However, it is labor exhaustive to obtain accurate annotations for massive face images. Thus, we propose to utilize the prior facial information…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Yifan Li , Haomiao Sun , Zhaori Liu , Hu Han

For computers to recognize human emotions, expression classification is an equally important problem in the human-computer interaction area. In the 3rd Affective Behavior Analysis In-The-Wild competition, the task of expression…

Computer Vision and Pattern Recognition · Computer Science 2022-04-11 Kim Ngan Phan , Hong-Hai Nguyen , Van-Thong Huynh , Soo-Hyung Kim