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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

Deep learning applies multiple processing layers to learn representations of data with multiple levels of feature extraction. This emerging technique has reshaped the research landscape of face recognition (FR) since 2014, launched by the…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Mei Wang , Weihong Deng

Facial expression recognition (FER) is a subset of computer vision with important applications for human-computer-interaction, healthcare, and customer service. FER represents a challenging problem-space because accurate classification…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 Ezra Engel , Lishan Li , Chris Hudy , Robert Schleusner

Face recognition systems (FRS) exhibit significant accuracy differences based on the user's gender. Since such a gender gap reduces the trustworthiness of FRS, more recent efforts have tried to find the causes. However, these studies make…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Paul Jonas Kurz , Haiyu Wu , Kevin W. Bowyer , Philipp Terhörst

Editing on digital images is ubiquitous. Identification of deliberately modified facial images is a new challenge for face identification system. In this paper, we address the problem of identification of a face or person from heavily…

Computer Vision and Pattern Recognition · Computer Science 2011-06-27 H. R. Chennamma , Lalitha Rangarajan , Veerabhadrappa

As multimedia content is quickly growing, the field of facial recognition has become one of the major research fields, particularly in the recent years. The most problematic area to researchers in image processing and computer vision is the…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Aya Kaysan Bahjat

Facial expression recognition is an essential task for various applications, including emotion detection, mental health analysis, and human-machine interactions. In this paper, we propose a multi-modal facial expression recognition method…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Jun-Hwa Kim , Namho Kim , Chee Sun Won

Recognition of low resolution face images is a challenging problem in many practical face recognition systems. Methods have been proposed in the face recognition literature for the problem which assume that the probe is low resolution, but…

Computer Vision and Pattern Recognition · Computer Science 2017-07-11 Sumit Shekhar , Vishal M. Patel , Rama Chellappa

The proposed framework in this paper has the primary objective of classifying the facial expression shown by a person. These classifiable expressions can be any one of the six universal emotions along with the neutral emotion. After the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-17 Fuzail Khan

Blur in facial images significantly impedes the efficiency of recognition approaches. However, most existing blind deconvolution methods cannot generate satisfactory results due to their dependence on strong edges, which are sufficient in…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Dayong Tian , Dacheng Tao

After intensive research, heterogenous face recognition is still a challenging problem. The main difficulties are owing to the complex relationship between heterogenous face image spaces. The heterogeneity is always tightly coupled with…

Computer Vision and Pattern Recognition · Computer Science 2014-06-06 Dong Yi , Zhen Lei , Shengcai Liao , Stan Z. Li

Deep learning technology has enabled successful modeling of complex facial features when high quality images are available. Nonetheless, accurate modeling and recognition of human faces in real world scenarios `on the wild' or under adverse…

Computer Vision and Pattern Recognition · Computer Science 2020-11-30 S. W. Arachchilage , E. Izquierdo

Scientific fields that are interested in faces have developed their own sets of concepts and procedures for understanding how a target model system (be it a person or algorithm) perceives a face under varying conditions. In computer vision,…

Computer Vision and Pattern Recognition · Computer Science 2018-07-23 Brandon RichardWebster , So Yon Kwon , Christopher Clarizio , Samuel E. Anthony , Walter J. Scheirer

Open-set face recognition describes a scenario where unknown subjects, unseen during the training stage, appear on test time. Not only it requires methods that accurately identify individuals of interest, but also demands approaches that…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Rafael Henrique Vareto , William Robson Schwartz

Motion blur, out of focus, insufficient spatial resolution, lossy compression and many other factors can all cause an image to have poor quality. However, image quality is a largely ignored issue in traditional pattern recognition…

Computer Vision and Pattern Recognition · Computer Science 2018-01-22 Fei Yang , Qian Zhang , Miaohui Wang , Guoping Qiu

Over the course of the last decade, infrared (IR) and particularly thermal IR imaging based face recognition has emerged as a promising complement to conventional, visible spectrum based approaches which continue to struggle when applied in…

Computer Vision and Pattern Recognition · Computer Science 2013-06-10 Reza Shoja Ghiass , Ognjen Arandjelovic , Hakim Bendada , Xavier Maldague

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

Facial recognition has always been a challeng- ing task for computer vision scientists and experts. Despite complexities arising due to variations in camera parameters, illumination and face orientations, significant progress has been made…

Computer Vision and Pattern Recognition · Computer Science 2018-09-11 Saumya Kumaar , Abhinandan Dogra , Abrar Majeedi , Hanan Gani , Ravi M. Vishwanath , S N Omkar

Facial expression recognition plays an important role in human behaviour, communication, and interaction. Recent neural networks have demonstrated to perform well at its automatic recognition, with different explainability techniques…

Human-Computer Interaction · Computer Science 2024-05-21 Silvia Ramis Guarinos , Cristina Manresa Yee , Jose Maria Buades Rubio , Francesc Xavier Gaya-Morey

Recognizing facial expressions from static images or video sequences is a widely studied but still challenging problem. The recent progresses obtained by deep neural architectures, or by ensembles of heterogeneous models, have shown that…

Computer Vision and Pattern Recognition · Computer Science 2018-10-25 Lisa Graziani , Stefano Melacci , Marco Gori