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Clustering face images according to their identity has two important applications: (i) grouping a collection of face images when no external labels are associated with images, and (ii) indexing for efficient large scale face retrieval. The…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Yichun Shi , Charles Otto , Anil K. Jain

Face detection and alignment in unconstrained environment are challenging due to various poses, illuminations and occlusions. Recent studies show that deep learning approaches can achieve impressive performance on these two tasks. In this…

Computer Vision and Pattern Recognition · Computer Science 2016-09-21 Kaipeng Zhang , Zhanpeng Zhang , Zhifeng Li , Yu Qiao

Facial landmark detection, head pose estimation, and facial deformation analysis are typical facial behavior analysis tasks in computer vision. The existing methods usually perform each task independently and sequentially, ignoring their…

Computer Vision and Pattern Recognition · Computer Science 2017-09-26 Yue Wu , Chao Gou , Qiang Ji

Face recognition in real-time scenarios is mainly affected by illumination, expression and pose variations and also by occlusion. This paper presents the framework for pose adaptive component-based face recognition system. The framework…

Computer Vision and Pattern Recognition · Computer Science 2014-03-07 Shireesha Chintalapati , M. V. Raghunadh

Fine-grained semantic segmentation of a person's face and head, including facial parts and head components, has progressed a great deal in recent years. However, it remains a challenging task, whereby considering ambiguous occlusions and…

Computer Vision and Pattern Recognition · Computer Science 2023-05-31 Lei Li , Tianfang Zhang , Zhongfeng Kang , Xikun Jiang

Emotions are best way of communicating information; and sometimes it carry more information than words. Recently, there has been a huge interest in automatic recognition of human emotion because of its wide spread application in security,…

Computer Vision and Pattern Recognition · Computer Science 2013-12-05 Nikunj Bajaj , Aurobinda Routray , S L Happy

The accurate localization of facial landmarks is at the core of face analysis tasks, such as face recognition and facial expression analysis, to name a few. In this work, we propose a novel localization approach based on a deep learning…

Computer Vision and Pattern Recognition · Computer Science 2021-07-21 Shahar Mahpod , Rig Das , Emanuele Maiorana , Yosi Keller , Patrizio Campisi

In the facial expression recognition task, researchers always get low accuracy of expression classification due to a small amount of training samples. In order to solve this kind of problem, we proposes a new data augmentation method named…

Computer Vision and Pattern Recognition · Computer Science 2024-05-20 Jiaxiang Yu , Yiyang Liu , Ruiyang Fan , Guobing Sun

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

Most of the existing work on automatic facial expression analysis focuses on discrete emotion recognition, or facial action unit detection. However, facial expressions do not always fall neatly into pre-defined semantic categories. Also,…

Computer Vision and Pattern Recognition · Computer Science 2019-01-11 Raviteja Vemulapalli , Aseem Agarwala

Facial landmark detection plays an important role for the similarity analysis in artworks to compare portraits of the same or similar artists. With facial landmarks, portraits of different genres, such as paintings and prints, can be…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Aline Sindel , Andreas Maier , Vincent Christlein

The recent research of facial expression recognition has made a lot of progress due to the development of deep learning technologies, but some typical challenging problems such as the variety of rich facial expressions and poses are still…

Computer Vision and Pattern Recognition · Computer Science 2019-07-26 Wenxuan Wang , Qiang Sun , Tao Chen , Chenjie Cao , Ziqi Zheng , Guoqiang Xu , Han Qiu , Yanwei Fu

We propose a very simple, efficient yet surprisingly effective feature extraction method for face recognition (about 20 lines of Matlab code), which is mainly inspired by spatial pyramid pooling in generic image classification. We show that…

Computer Vision and Pattern Recognition · Computer Science 2014-09-18 Fumin Shen , Chunhua Shen , Heng Tao Shen

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

Facial expressions are widely used in the behavioral interpretation of emotions, cognitive science, and social interactions. In this paper, we present a novel method for fully automatic facial expression recognition in facial image…

Computer Vision and Pattern Recognition · Computer Science 2016-04-13 Deepak Ghimire , Joonwhoan Lee

A key step to driver safety is to observe the driver's activities with the face being a key step in this process to extracting information such as head pose, blink rate, yawns, talking to passenger which can then help derive higher level…

Computer Vision and Pattern Recognition · Computer Science 2018-02-08 Kevan Yuen , Mohan M. Trivedi

Facial expression classification is a kind of image classification and it has received much attention, in recent years. There are many approaches to solve these problems with aiming to increase efficient classification. One of famous…

Computer Vision and Pattern Recognition · Computer Science 2011-07-19 Thai Le , Phat Tat , Hai Tran

Visual attention has been extensively studied for learning fine-grained features in both facial expression recognition (FER) and Action Unit (AU) detection. A broad range of previous research has explored how to use attention modules to…

Computer Vision and Pattern Recognition · Computer Science 2022-03-24 Xiaotian Li , Zhihua Li , Huiyuan Yang , Geran Zhao , Lijun Yin

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

We propose a method to address challenges in unconstrained face detection, such as arbitrary pose variations and occlusions. First, a new image feature called Normalized Pixel Difference (NPD) is proposed. NPD feature is computed as the…

Computer Vision and Pattern Recognition · Computer Science 2015-09-08 Shengcai Liao , Anil K. Jain , Stan Z. Li