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Expressions and facial action units (AUs) are two levels of facial behavior descriptors. Expression auxiliary information has been widely used to improve the AU detection performance. However, most existing expression representations can…

Computer Vision and Pattern Recognition · Computer Science 2022-10-31 Rudong An , Wei Zhang , Hao Zeng , Wei Chen , Zhigang Deng , Yu Ding

How to extract effective expression representations that invariant to the identity-specific attributes is a long-lasting problem for facial expression recognition (FER). Most of the previous methods process the RGB images of a sequence,…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Xiaofeng Liu , Linghao Jin , Xu Han , Jane You

Face recognition technology has been deployed in various real-life applications. The most sophisticated deep learning-based face recognition systems rely on training millions of face images through complex deep neural networks to achieve…

Computer Vision and Pattern Recognition · Computer Science 2024-01-25 Dong Han , Yong Li , Joachim Denzler

In low-resource computing contexts, such as smartphones and other tiny devices, Both deep learning and machine learning are being used in a lot of identification systems. as authentication techniques. The transparent, contactless, and…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Pangoth Santhosh Kumar , Garika Akshay

Facial expression synthesis has achieved remarkable advances with the advent of Generative Adversarial Networks (GANs). However, GAN-based approaches mostly generate photo-realistic results as long as the testing data distribution is close…

Computer Vision and Pattern Recognition · Computer Science 2020-10-28 Arbish Akram , Nazar Khan

We present a method for extracting information about facial expressions from digital images. The method codes facial expression images using a multi-orientation, multi-resolution set of Gabor filters that are topographically ordered and…

Computer Vision and Pattern Recognition · Computer Science 2020-09-16 Michael J. Lyons , Miyuki Kamachi , Jiro Gyoba

We present a method for synthesizing a frontal, neutral-expression image of a person's face given an input face photograph. This is achieved by learning to generate facial landmarks and textures from features extracted from a…

Computer Vision and Pattern Recognition · Computer Science 2017-10-18 Forrester Cole , David Belanger , Dilip Krishnan , Aaron Sarna , Inbar Mosseri , William T. Freeman

Existing facial expression recognition (FER) methods typically fine-tune a pre-trained visual encoder using discrete labels. However, this form of supervision limits to specify the emotional concept of different facial expressions. In this…

Computer Vision and Pattern Recognition · Computer Science 2024-09-16 Hangyu Li , Yihan Xu , Jiangchao Yao , Nannan Wang , Xinbo Gao , Bo Han

Modern computer vision services often require users to share raw feature descriptors with an untrusted server. This presents an inherent privacy risk, as raw descriptors may be used to recover the source images from which they were…

Computer Vision and Pattern Recognition · Computer Science 2023-08-23 Francesco Pittaluga , Bingbing Zhuang

The proliferation of facial recognition (FR) systems has raised privacy concerns in the digital realm, as malicious uses of FR models pose a significant threat. Traditional countermeasures, such as makeup style transfer, have suffered from…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Binh M. Le , Simon S. Woo

Face recognition technology has advanced rapidly and has been widely used in various applications. Due to the extremely huge amount of data of face images and the large computing resources required correspondingly in large-scale face…

Computer Vision and Pattern Recognition · Computer Science 2019-07-04 Nai Bian , Feng Liang , Haisheng Fu , Bo Lei

Facial expression in-the-wild is essential for various interactive computing domains. Especially, "Learning from Synthetic Data" (LSD) is an important topic in the facial expression recognition task. In this paper, we propose a multi-task…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Jae-Yeop Jeong , Yeong-Gi Hong , JiYeon Oh , Sumin Hong , Jin-Woo Jeong , Yuchul Jung

The rapid integration of Artificial Intelligence (AI) into medical diagnostics has raised pressing concerns about patient privacy, especially when sensitive imaging data must be transferred, stored, or processed. In this paper, we propose a…

Cryptography and Security · Computer Science 2025-07-30 Abdullah Al Siam , Sadequzzaman Shohan

Biometric authentication has become one of the most widely used tools in the current technological era to authenticate users and to distinguish between genuine users and imposters. Face is the most common form of biometric modality that has…

Computer Vision and Pattern Recognition · Computer Science 2025-05-08 Rashik Shadman , Daqing Hou , Faraz Hussain , M G Sarwar Murshed

The proliferation of facial recognition systems presents major privacy risks, driving the need for effective countermeasures. Current adversarial techniques apply generalized methods rather than adapting to individual facial…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Paweł Jakub Borsukiewicz , Jordan Samhi , Jacques Klein , Tegawendé F. Bissyandé

In this paper a novel efficient method for representation of facial action units by encoding an image sequence as a fourth-order tensor is presented. The multilinear tensor-based extension of the biased discriminant analysis (BDA)…

Computer Vision and Pattern Recognition · Computer Science 2010-04-06 Mahmoud Khademi , Mehran Safayani , Mohammad T. Manzuri-Shalmani

One of the most common problems encountered in human-computer interaction is automatic facial expression recognition. Although it is easy for human observer to recognize facial expressions, automatic recognition remains difficult for…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Mohamad Roshanzamir , Roohallah Alizadehsani , Mahdi Roshanzamir , Afshin Shoeibi , Juan M. Gorriz , Abbas Khosrave , Saeid Nahavandi

Facial expressions convey human emotions and can be categorized into macro-expressions (MaEs) and micro-expressions (MiEs) based on duration and intensity. While MaEs are voluntary and easily recognized, MiEs are involuntary, rapid, and can…

Artificial Intelligence · Computer Science 2025-06-05 Zixuan Shangguan , Yanjie Dong , Song Guo , Victor C. M. Leung , M. Jamal Deen , Xiping Hu

An automatic Facial Expression Recognition (FER) model with Adaboost face detector, feature selection based on manifold learning and synergetic prototype based classifier has been proposed. Improved feature selection method and proposed…

Computer Vision and Pattern Recognition · Computer Science 2018-03-30 Chendi Wang

This paper proposes a novel paradigm for facial privacy protection that unifies multiple characteristics including anonymity, diversity, reversibility and security within a single lightweight framework. We name it PRO-Face S, short for…

Computer Vision and Pattern Recognition · Computer Science 2023-07-19 Lin Yuan , Kai Liang , Xiao Pu , Yan Zhang , Jiaxu Leng , Tao Wu , Nannan Wang , Xinbo Gao