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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

For the Facial Action Unit (AU) detection task, accurately capturing the subtle facial differences between distinct AUs is essential for reliable detection. Additionally, AU detection faces challenges from class imbalance and the presence…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Ziqiao Shang , Bin Liu , Fengmao Lv , Fei Teng , Tianrui Li , Lan-Zhe Guo

Facial expression datasets remain limited in scale due to the subjectivity of annotations and the labor-intensive nature of data collection. This limitation poses a significant challenge for developing modern deep learning-based facial…

Computer Vision and Pattern Recognition · Computer Science 2025-08-13 Xilin He , Cheng Luo , Xiaole Xian , Bing Li , Muhammad Haris Khan , Zongyuan Ge , Weicheng Xie , Siyang Song , Linlin Shen , Bernard Ghanem , Xiangyu Yue

Unsupervised image retrieval aims to learn the important visual characteristics without any given level to retrieve the similar images for a given query image. The Convolutional Neural Network (CNN)-based approaches have been extensively…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Ayush Dubey , Shiv Ram Dubey , Satish Kumar Singh , Wei-Ta Chu

What is the best way to learn a universal face representation? Recent work on Deep Learning in the area of face analysis has focused on supervised learning for specific tasks of interest (e.g. face recognition, facial landmark localization…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Adrian Bulat , Shiyang Cheng , Jing Yang , Andrew Garbett , Enrique Sanchez , Georgios Tzimiropoulos

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

Over the centuries, humans have developed and acquired a number of ways to communicate. But hardly any of them can be as natural and instinctive as facial expressions. On the other hand, neural networks have taken the world by storm. And no…

Computer Vision and Pattern Recognition · Computer Science 2021-07-20 Subodh Lonkar

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

Speech-preserving facial expression manipulation (SPFEM) aims to modify a talking head to display a specific reference emotion while preserving the mouth animation of source spoken contents. Thus, emotion and content information existing in…

Computer Vision and Pattern Recognition · Computer Science 2025-04-09 Tianshui Chen , Jianman Lin , Zhijing Yang , Chumei Qing , Yukai Shi , Liang Lin

Representation learning and feature disentanglement have garnered significant research interest in the field of facial expression recognition (FER). The inherent ambiguity of emotion labels poses challenges for conventional supervised…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Jia Li , Jiantao Nie , Dan Guo , Richang Hong , Meng Wang

In medical imaging, manual annotations can be expensive to acquire and sometimes infeasible to access, making conventional deep learning-based models difficult to scale. As a result, it would be beneficial if useful representations could be…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Jianbo Jiao , Yifan Cai , Mohammad Alsharid , Lior Drukker , Aris T. Papageorghiou , J. Alison Noble

This paper explores an expression-related self-supervised learning (SSL) method (ContraWarping) to perform expression classification in the 5th Affective Behavior Analysis in-the-wild (ABAW) competition. Affective datasets are expensive to…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Fanglei Xue , Yifan Sun , Yi Yang

Automatically recognizing emotional intent using facial expression has been a thoroughly investigated topic in the realm of computer vision. Facial Expression Recognition (FER), being a supervised learning task, relies heavily on…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Syed Sameen Ahmad Rizvi , Aryan Seth , Pratik Narang

In 2D+3D facial expression recognition (FER), existing methods generate multi-view geometry maps to enhance the depth feature representation. However, this may introduce false estimations due to local plane fitting from incomplete point…

Computer Vision and Pattern Recognition · Computer Science 2020-11-18 Yang Jiao , Yi Niu , Trac D. Tran , Guangming Shi

As the expressive depth of an emotional face differs with individuals or expressions, recognizing an expression using a single facial image at a moment is difficult. A relative expression of a query face compared to a reference face might…

Computer Vision and Pattern Recognition · Computer Science 2019-05-09 Youngsung Kim , ByungIn Yoo , Youngjun Kwak , Changkyu Choi , Junmo Kim

Contrastive Analysis (CA) detects anomalies by contrasting patterns unique to a target group (e.g., unhealthy subjects) from those in a background group (e.g., healthy subjects). In the context of brain MRIs, existing CA approaches rely on…

Computer Vision and Pattern Recognition · Computer Science 2025-07-02 Cristiano Patrício , Carlo Alberto Barbano , Attilio Fiandrotti , Riccardo Renzulli , Marco Grangetto , Luis F. Teixeira , João C. Neves

Retrieving facial images from attributes plays a vital role in various systems such as face recognition and suspect identification. Compared to other image retrieval tasks, facial image retrieval is more challenging due to the high…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Devansh Gupta , Aditya Saini , Drishti Bhasin , Sarthak Bhagat , Shagun Uppal , Rishi Raj Jain , Ponnurangam Kumaraguru , Rajiv Ratn Shah

Cross-age facial images are typically challenging and expensive to collect, making noise-free age-oriented datasets relatively small compared to widely-used large-scale facial datasets. Additionally, in real scenarios, images of the same…

Computer Vision and Pattern Recognition · Computer Science 2024-01-04 Haoyi Wang , Victor Sanchez , Chang-Tsun Li

Robotic tasks such as manipulation with visual inputs require image features that capture the physical properties of the scene, e.g., the position and configuration of objects. Recently, it has been suggested to learn such features in an…

Machine Learning · Computer Science 2021-06-09 Carmel Rabinovitz , Niko Grupen , Aviv Tamar

Facial expression recognition (FER) plays a significant role in the ubiquitous application of computer vision. We revisit this problem with a new perspective on whether it can acquire useful representations that improve FER performance in…

Computer Vision and Pattern Recognition · Computer Science 2023-01-04 Jiawei Mao , Guangyi Zhao , Yuanqi Chang , Xuesong Yin , Xiaogang Peng , Rui Xu
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