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Related papers: Facial Expression Recognition with Controlled Priv…

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Deep learning based facial expression recognition (FER) has received a lot of attention in the past few years. Most of the existing deep learning based FER methods do not consider domain knowledge well, which thereby fail to extract…

Computer Vision and Pattern Recognition · Computer Science 2019-12-03 Yuedong Chen , Jianfeng Wang , Shikai Chen , Zhongchao Shi , Jianfei Cai

This work describes different strategies to generate unsupervised representations obtained through the concept of self-taught learning for facial emotion recognition (FER). The idea is to create complementary representations promoting…

Computer Vision and Pattern Recognition · Computer Science 2022-04-28 Bruna Delazeri , Leonardo L. Veras , Alceu de S. Britto , Jean Paul Barddal , Alessandro L. Koerich

Different from many other attributes, facial expression can change in a continuous way, and therefore, a slight semantic change of input should also lead to the output fluctuation limited in a small scale. This consistency is important.…

Computer Vision and Pattern Recognition · Computer Science 2020-07-15 Yongjian Fu , Xintian Wu , Xi Li , Zhijie Pan , Daxin Luo

Face anonymization aims to protect sensitive identity information by altering faces while preserving visual realism and utility for downstream computer vision tasks. Current methods struggle to simultaneously ensure high image quality,…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Pol Labarbarie , Vincent Itier , William Puech

In this paper, an effective pipeline to automatic 4D Facial Expression Recognition (4D FER) is proposed. It combines two growing but disparate ideas in Computer Vision -- computing the spatial facial deformations using tools from Riemannian…

Computer Vision and Pattern Recognition · Computer Science 2021-05-07 Qingkai Zhen , Di Huang , Yunhong Wang , Hassen Drira , Boulbaba Ben Amor , Mohamed Daoudi

The study of Dynamic Facial Expression Recognition (DFER) is a nascent field of research that involves the automated recognition of facial expressions in video data. Although existing research has primarily focused on learning…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Feng Liu , Hanyang Wang , Siyuan Shen

Face Recognition (FR) systems are being used in a variety of applications, including road crossings, banking, and mobile banking. The widespread use of FR systems has raised concerns about the safety of face biometrics against spoofing…

Computer Vision and Pattern Recognition · Computer Science 2022-05-24 Soham S. Sarpotdar

Facial expression is an essential factor in conveying human emotional states and intentions. Although remarkable advancement has been made in facial expression recognition (FER) task, challenges due to large variations of expression…

Computer Vision and Pattern Recognition · Computer Science 2022-07-28 Jie Lei , Zhao Liu , Zeyu Zou , Tong Li , Xu Juan , Shuaiwei Wang , Guoyu Yang , Zunlei Feng

With the rapid development of facial forgery techniques, forgery detection has attracted more and more attention due to security concerns. Existing approaches attempt to use frequency information to mine subtle artifacts under high-quality…

Computer Vision and Pattern Recognition · Computer Science 2021-12-30 Qiqi Gu , Shen Chen , Taiping Yao , Yang Chen , Shouhong Ding , Ran Yi

In this paper, we present a novel approach to automatic 3D Facial Expression Recognition (FER) based on deep representation of facial 3D geometric and 2D photometric attributes. A 3D face is firstly represented by its geometric and…

Computer Vision and Pattern Recognition · Computer Science 2015-11-11 Huibin Li , Jian Sun , Dong Wang , Zongben Xu , Liming Chen

Current state-of-the-art deep learning based face recognition (FR) models require a large number of face identities for central training. However, due to the growing privacy awareness, it is prohibited to access the face images on user…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Chih-Ting Liu , Chien-Yi Wang , Shao-Yi Chien , Shang-Hong Lai

Growing privacy concerns and regulations like GDPR and CCPA necessitate pseudonymization techniques that protect identity in image datasets. However, retaining utility is also essential. Traditional methods like masking and blurring degrade…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Kartik Patwari , David Schneider , Xiaoxiao Sun , Chen-Nee Chuah , Lingjuan Lyu , Vivek Sharma

The success of deep learning based face recognition systems has given rise to serious privacy concerns due to their ability to enable unauthorized tracking of users in the digital world. Existing methods for enhancing privacy fail to…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Fahad Shamshad , Muzammal Naseer , Karthik Nandakumar

We aim to construct a system that captures real-world facial images through the front camera on a laptop. The system is capable of processing/recognizing the captured image and predict a result in real-time. In this system, we exploit the…

Computer Vision and Pattern Recognition · Computer Science 2019-10-25 Ching-Da Wu , Li-Heng Chen

Automated Facial Expression Recognition (FER) has been a challenging task for decades. Many of the existing works use hand-crafted features such as LBP, HOG, LPQ, and Histogram of Optical Flow (HOF) combined with classifiers such as Support…

Computer Vision and Pattern Recognition · Computer Science 2020-04-17 Behzad Hasani , Mohammad H. Mahoor

Facial recognition has become a widely used method for authentication and identification, with applications for secure access and locating missing persons. Its success is largely attributed to deep learning, which leverages large datasets…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Pedro Vidal , Bernardo Biesseck , Luiz E. L. Coelho , Roger Granada , David Menotti

The widespread sharing of face images on social media platforms and in large-scale datasets raises pressing privacy concerns, as biometric identifiers can be exploited without consent. Face anonymization seeks to generate realistic facial…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Luigi Celona , Simone Bianco , Raimondo Schettini

Federated learning (FL) enhances privacy by keeping user data on local devices. However, emerging attacks have demonstrated that the updates shared by users during training can reveal significant information about their data. This has…

With the development of laws and regulations related to privacy preservation, it has become difficult to collect personal data to perform machine learning. In this context, federated learning, which is distributed learning without sharing…

Computer Vision and Pattern Recognition · Computer Science 2024-05-08 Yosuke Kaga , Yusei Suzuki , Kenta Takahashi

Deepfake technologies have rapidly advanced with modern generative AI, and face swapping in particular poses serious threats to privacy and digital security. Existing proactive defenses mostly rely on pixel-level perturbations, which are…

Computer Vision and Pattern Recognition · Computer Science 2026-04-24 Junyan Luo , Peipeng Yu , Jianwei Fei , Shiya Zeng , Xiaoyu Zhou , Zhihua Xia , Xiang Liu