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Related papers: Facial Expression Recognition with Controlled Priv…

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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

Dynamic facial expression recognition (DFER) in the wild is an extremely challenging task, due to a large number of noisy frames in the video sequences. Previous works focus on extracting more discriminative features, but ignore…

Computer Vision and Pattern Recognition · Computer Science 2022-06-13 Hanting Li , Mingzhe Sui , Zhaoqing Zhu , Feng zhao

Many existing privacy-enhanced speech emotion recognition (SER) frameworks focus on perturbing the original speech data through adversarial training within a centralized machine learning setup. However, this privacy protection scheme can…

Cryptography and Security · Computer Science 2023-04-18 Tiantian Feng , Raghuveer Peri , Shrikanth Narayanan

In this study, we apply the information-theoretic Privacy Funnel (PF) model to face recognition and develop a method for privacy-preserving representation learning within an end-to-end trainable framework. Our approach addresses the…

Machine Learning · Computer Science 2026-04-10 Behrooz Razeghi , Parsa Rahimi , Sébastien Marcel

SOTA facial expression recognition (FER) methods fail on test sets that have domain gaps with the train set. Recent domain adaptation FER methods need to acquire labeled or unlabeled samples of target domains to fine-tune the FER model,…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Yuhang Zhang , Xiuqi Zheng , Chenyi Liang , Jiani Hu , Weihong Deng

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

Facial expression recognition (FER) methods have made great inroads in categorising moods and feelings in humans. Beyond FER, pain estimation methods assess levels of intensity in pain expressions, however assessing the quality of all…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Shuchao Duan , Amirhossein Dadashzadeh , Alan Whone , Majid Mirmehdi

The increasingly pervasive facial recognition (FR) systems raise serious concerns about personal privacy, especially for billions of users who have publicly shared their photos on social media. Several attempts have been made to protect…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Jiang Liu , Chun Pong Lau , Zhongliang Guo , Yuxiang Guo , Zhaoyang Wang , Rama Chellappa

Advances in deep learning have made face recognition technologies pervasive. While useful to social media platforms and users, this technology carries significant privacy threats. Coupled with the abundant information they have about users,…

Cryptography and Security · Computer Science 2020-12-16 Varun Chandrasekaran , Chuhan Gao , Brian Tang , Kassem Fawaz , Somesh Jha , Suman Banerjee

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

The proliferation of deep learning solutions and the scarcity of large annotated datasets pose significant challenges in real-world applications. Various strategies have been explored to overcome this challenge, with data augmentation (DA)…

Computer Vision and Pattern Recognition · Computer Science 2024-05-31 Fabio A. Faria , Mateus M. Souza , Raoni F. da S. Teixeira , Mauricio P. Segundo

Lensless cameras, innovatively replacing traditional lenses for ultra-thin, flat optics, encode light directly onto sensors, producing images that are not immediately recognizable. This compact, lightweight, and cost-effective imaging…

Computer Vision and Pattern Recognition · Computer Science 2024-06-07 Xin Cai , Hailong Zhang , Chenchen Wang , Wentao Liu , Jinwei Gu , Tianfan Xue

Facial expression recognition (FER) is an important research topic in emotional artificial intelligence. In recent decades, researchers have made remarkable progress. However, current FER paradigms face challenges in generalization, lack…

Computer Vision and Pattern Recognition · Computer Science 2024-08-22 Bohao Xing , Zitong Yu , Xin Liu , Kaishen Yuan , Qilang Ye , Weicheng Xie , Huanjing Yue , Jingyu Yang , Heikki Kälviäinen

Semi-supervised learning has emerged as a promising approach to tackle the challenge of label scarcity in facial expression recognition (FER) task. However, current state-of-the-art methods primarily focus on one side of the coin, i.e.,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Fan Zhang , Zhi-Qi Cheng , Jian Zhao , Xiaojiang Peng , Xuelong Li

To mitigate privacy leakage and performance issues in personalized advertising, this paper proposes a framework that integrates federated learning and differential privacy. The system combines distributed feature extraction, dynamic privacy…

Cryptography and Security · Computer Science 2025-07-17 Xiang Li , Yifan Lin , Yuanzhe Zhang

In this paper, we present a unified architecture known as Transfer-Editing and Recognition Generative Adversarial Network (TER-GAN) which can be used: 1. to transfer facial expressions from one identity to another identity, known as Facial…

Computer Vision and Pattern Recognition · Computer Science 2019-11-19 Kamran Ali , Charles E. Hughes

The proliferation of images captured from millions of cameras and the advancement of facial recognition (FR) technology have made the abuse of FR a severe privacy threat. Existing works typically rely on obfuscation, synthesis, or…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 Wenjun Zhu , Yuan Sun , Jiani Liu , Yushi Cheng , Xiaoyu Ji , Wenyuan Xu

Facial Emotion Recognition is a critical research area within Affective Computing due to its wide-ranging applications in Human Computer Interaction, mental health assessment and fatigue monitoring. Current FER methods predominantly rely on…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Laura Rayón Ropero , Jasper De Laet , Filip Lemic , Pau Sabater Nácher , Nabeel Nisar Bhat , Sergi Abadal , Jeroen Famaey , Eduard Alarcón , Xavier Costa-Pérez

Billions of people are sharing their daily live images on social media everyday. However, malicious collectors use deep face recognition systems to easily steal their biometric information (e.g., faces) from these images. Some studies are…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Xin Dong , Rui Wang , Siyuan Liang , Aishan Liu , Lihua Jing

Most research on facial expression recognition (FER) is conducted in highly controlled environments, but its performance is often unacceptable when applied to real-world situations. This is because when unexpected objects occlude the face,…

Computer Vision and Pattern Recognition · Computer Science 2023-07-24 Isack Lee , Eungi Lee , Seok Bong Yoo