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This paper reports a face identification system which makes use of a novel local descriptor called Local Ternary Tree Pattern (LTTP). Exploiting and extracting distinctive local descriptor from a face image plays a crucial role in face…

Computer Vision and Pattern Recognition · Computer Science 2020-07-17 Rinku Datta Rakshit , Dakshina Ranjan Kisku , Massimo Tistarelli , Phalguni Gupta

In this paper, a high performance face recognition system based on local binary pattern (LBP) using the probability distribution functions (PDF) of pixels in different mutually independent color channels which are robust to frontal…

Computer Vision and Pattern Recognition · Computer Science 2015-01-06 Gholamreza Anbarjafari

Face recognition presents a challenging problem in the field of image analysis and computer vision. The security of information is becoming very significant and difficult. Security cameras are presently common in airports, Offices,…

Computer Vision and Pattern Recognition · Computer Science 2014-03-04 Divyarajsinh N. Parmar , Brijesh B. Mehta

Facial feature detection from facial images has attracted great attention in the field of computer vision. It is a nontrivial task since the appearance and shape of the face tend to change under different conditions. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2017-09-19 Yue Wu , Ziheng Wang , Qiang Ji

Concern regarding the wide-spread use of fraudulent images/videos in social media necessitates precise detection of such fraud. The importance of facial expressions in communication is widely known, and adversarial attacks often focus on…

Computer Vision and Pattern Recognition · Computer Science 2021-03-16 Ghazal Mazaheri , Amit K. Roy-Chowdhury

Texture is an important characteristic for many types of images. In recent years very discriminative and computationally efficient local texture descriptors based on local binary patterns (LBP) have been developed, which has led to…

Computer Vision and Pattern Recognition · Computer Science 2017-01-17 Matti Pietikäinen , Guoying Zhao

The paper provides a mathematical view to the binary numbers presented in the Local Binary Pattern (LBP) feature extraction process. Symmetric finite difference is often applied in numerical analysis to enhance the accuracy of…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Zeinab Sedaghatjoo , Hossein Hosseinzadeh

Facial expressions are one of the most effective ways for non-verbal communications, which can be expressed as the Micro-Expression (ME) in the high-stake situations. The MEs are involuntary, rapid, and, subtle, and they can reveal real…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Vida Esmaeili , Mahmood Mohassel Feghhi , Seyed Omid Shahdi

Dynamic facial expression recognition has many useful applications in social networks, multimedia content analysis, security systems and others. This challenging process must be done under recurrent problems of image illumination and low…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Ali Raza Shahid , Sheheryar Khan , Hong Yan

It has become increasingly challenging to distinguish real faces from their visually realistic fake counterparts, due to the great advances of deep learning based face manipulation techniques in recent years. In this paper, we introduce a…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Disheng Feng , Xuequan Lu , Xufeng Lin

While texture analysis is largely addressed for images, the comparison of the geometric reliefs on surfaces embedded in the 3D space is still an open challenge. Starting from the Local Binary Pattern (LBP) description originally defined for…

Computational Geometry · Computer Science 2018-05-03 Elia Moscoso Thompson , Silvia Biasotti

This paper presents a comprehensive survey of facial feature point detection with the assistance of abundant manually labeled images. Facial feature point detection favors many applications such as face recognition, animation, tracking,…

Computer Vision and Pattern Recognition · Computer Science 2014-10-07 Nannan Wang , Xinbo Gao , Dacheng Tao , Xuelong Li

Face detection and recognition has been prevalent with research scholars and diverse approaches have been incorporated till date to serve purpose. The rampant advent of biometric analysis systems, which may be full body scanners, or iris…

Computer Vision and Pattern Recognition · Computer Science 2017-01-31 Smriti Tikoo , Nitin Malik

This paper presented a face detection system using Radial Basis Function Neural Networks With Fixed Spread Value. Face detection is the first step in face recognition system. The purpose is to localize and extract the face region from the…

Computer Vision and Pattern Recognition · Computer Science 2014-10-09 K. A. A. Aziz , S. S. Abdullah

Facial Micro-Expressions (MEs) are spontaneous, involuntary facial movements when a person experiences an emotion but deliberately or unconsciously attempts to conceal his or her genuine emotions. Recently, ME recognition has attracted…

Computer Vision and Pattern Recognition · Computer Science 2019-09-18 Chengyu Guo , Jingyun Liang , Geng Zhan , Zhong Liu , Matti Pietikäinen , Li Liu

Face recognition has been an active research area in the past few decades. In general, face recognition can be very challenging due to variations in viewpoint, illumination, facial expression, etc. Therefore it is essential to extract…

Computer Vision and Pattern Recognition · Computer Science 2017-12-04 Shervin Minaee , Amirali Abdolrashidi , Yao Wang

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

Face Recognition has been studied for many decades. As opposed to traditional hand-crafted features such as LBP and HOG, much more sophisticated features can be learned automatically by deep learning methods in a data-driven way. In this…

Computer Vision and Pattern Recognition · Computer Science 2015-07-24 Jingtuo Liu , Yafeng Deng , Tao Bai , Zhengping Wei , Chang Huang

Automated face recognition is a widely adopted machine learning technology for contactless identification of people in various processes such as automated border control, secure login to electronic devices, community surveillance, tracking…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Megh Pudyel , Mustafa Atay

This work explores facial expression bias as a security vulnerability of face recognition systems. Despite the great performance achieved by state-of-the-art face recognition systems, the algorithms are still sensitive to a large range of…

Computer Vision and Pattern Recognition · Computer Science 2021-06-21 Alejandro Peña , Ignacio Serna , Aythami Morales , Julian Fierrez , Agata Lapedriza