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Related papers: Unsupervised Facial Action Unit Intensity Estimati…

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Micro-expressions (MEs) are subtle, transient facial changes with very low intensity, almost imperceptible to the naked eye, yet they reveal a person genuine emotion. They are of great value in lie detection, behavioral analysis, and…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Thi Bich Phuong Man , Luu Tu Nguyen , Vu Tram Anh Khuong , Thanh Ha Le , Thi Duyen Ngo

Facial action unit (AU) detection remains a challenging task, due to the subtlety, dynamics, and diversity of AUs. Recently, the prevailing techniques of self-attention and causal inference have been introduced to AU detection. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-16 Zhiwen Shao , Hancheng Zhu , Yong Zhou , Xiang Xiang , Bing Liu , Rui Yao , Lizhuang Ma

Although state-of-the-art classifiers for facial expression recognition (FER) can achieve a high level of accuracy, they lack interpretability, an important feature for end-users. Experts typically associate spatial action units (AUs) from…

Computer Vision and Pattern Recognition · Computer Science 2024-10-04 Soufiane Belharbi , Marco Pedersoli , Alessandro Lameiras Koerich , Simon Bacon , Eric Granger

With various face presentation attacks emerging continually, face anti-spoofing (FAS) approaches based on domain generalization (DG) have drawn growing attention. Existing DG-based FAS approaches always capture the domain-invariant features…

Computer Vision and Pattern Recognition · Computer Science 2022-11-24 Qianyu Zhou , Ke-Yue Zhang , Taiping Yao , Ran Yi , Shouhong Ding , Lizhuang Ma

Facial attribute editing has mainly two objectives: 1) translating image from a source domain to a target one, and 2) only changing the facial regions related to a target attribute and preserving the attribute-excluding details. In this…

Computer Vision and Pattern Recognition · Computer Science 2020-09-10 Ke Zhang , Yukun Su , Xiwang Guo , Liang Qi , Zhenbing Zhao

Relatively small data sets available for expression recognition research make the training of deep networks for expression recognition very challenging. Although fine-tuning can partially alleviate the issue, the performance is still below…

Computer Vision and Pattern Recognition · Computer Science 2016-09-23 Hui Ding , Shaohua Kevin Zhou , Rama Chellappa

It has been observed that deep neural networks (DNNs) often use both genuine as well as spurious features. In this work, we propose "Amending Inherent Interpretability via Self-Supervised Masking" (AIM), a simple yet interestingly effective…

Computer Vision and Pattern Recognition · Computer Science 2025-08-18 Eyad Alshami , Shashank Agnihotri , Bernt Schiele , Margret Keuper

Automatic facial behavior analysis has a long history of studies in the intersection of computer vision, physiology and psychology. However it is only recently, with the collection of large-scale datasets and powerful machine learning…

Computer Vision and Pattern Recognition · Computer Science 2020-06-01 Dimitrios Kollias , Viktoriia Sharmanska , Stefanos Zafeiriou

We present BioMetricNet: a novel framework for deep unconstrained face verification which learns a regularized metric to compare facial features. Differently from popular methods such as FaceNet, the proposed approach does not impose any…

Computer Vision and Pattern Recognition · Computer Science 2020-08-14 Arslan Ali , Matteo Testa , Tiziano Bianchi , Enrico Magli

The paper describes our proposed methodology for the six basic expression classification track of Affective Behavior Analysis in-the-wild (ABAW) Competition 2022. In Learing from Synthetic Data(LSD) task, facial expression recognition (FER)…

Computer Vision and Pattern Recognition · Computer Science 2022-07-25 Shuyi Mao , Xinpeng Li , Junyao Chen , Xiaojiang Peng

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

Along with the recent development of deep neural networks, appearance-based gaze estimation has succeeded considerably when training and testing within the same domain. Compared to the within-domain task, the variance of different domains…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Jiawei Qin , Takuru Shimoyama , Xucong Zhang , Yusuke Sugano

Accurate lesion segmentation in ultrasound images is essential for preventive screening and clinical diagnosis, yet remains challenging due to low contrast, blurry boundaries, and significant scale variations. Although existing deep…

Computer Vision and Pattern Recognition · Computer Science 2026-04-16 Chen Wang , Yixin Zhu , Yongbin Zhu , Fengyuan Shi , Qi Li , Jun Wang , Zuozhu Liu , Keli Hu

Facial Micro-expression Recognition (MER) distinguishes the underlying emotional states of spontaneous subtle facialexpressions. Automatic MER is challenging because that 1) the intensity of subtle facial muscle movement is extremely lowand…

Computer Vision and Pattern Recognition · Computer Science 2019-07-30 Wei Peng , Xiaopeng Hong , Yingyue Xu , Guoying Zhao

In this paper, we introduce an underexplored problem in facial analysis: generating and recognizing multi-attribute natural language descriptions, containing facial action units (AUs), emotional states, and age estimation, for arbitrarily…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Kaiwen Zheng , Junchen Fu , Songpei Xu , Yaoqing He , Joemon M. Jose , Han Hu , Xuri Ge

In this paper, we estimate perceived image quality using sparse representations obtained from generic image databases through an unsupervised learning approach. A color space transformation, a mean subtraction, and a whitening operation are…

Computer Vision and Pattern Recognition · Computer Science 2018-11-14 D. Temel , M. Prabhushankar , G. AlRegib

Editing facial expressions by only changing what we want is a long-standing research problem in Generative Adversarial Networks (GANs) for image manipulation. Most of the existing methods that rely only on a global generator usually suffer…

Computer Vision and Pattern Recognition · Computer Science 2021-12-10 Rumeysa Bodur , Binod Bhattarai , Tae-Kyun Kim

Facial action units (AUs) play an indispensable role in human emotion analysis. We observe that although AU-based high-level emotion analysis is urgently needed by real-world applications, frame-level AU results provided by previous works…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Yingjie Chen , Jiarui Zhang , Tao Wang , Yun Liang

One of the main challenges in deep learning-based underwater image enhancement is the limited availability of high-quality training data. Underwater images are difficult to capture and are often of poor quality due to the distortion and…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Alzayat Saleh , Marcus Sheaves , Dean Jerry , Mostafa Rahimi Azghadi

As artificial intelligence (AI) systems become increasingly embedded in our daily life, the ability to recognize and adapt to human emotions is essential for effective human-computer interaction. Facial expression recognition (FER) provides…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Thibault Geoffroy , Myriam Maumy , Lionel Prevost