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Related papers: MOL: Joint Estimation of Micro-Expression, Optical…

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Facial expression recognition (FER) has emerged as an important component of human-computer interaction systems. Despite recent advancements in FER, performance often drops significantly for non-frontal facial images. We propose Contrastive…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Shuvendu Roy , Ali Etemad

Over the past few years, deep learning methods have shown remarkable results in many face-related tasks including automatic facial expression recognition (FER) in-the-wild. Meanwhile, numerous models describing the human emotional states…

Computer Vision and Pattern Recognition · Computer Science 2023-12-08 Panagiotis Antoniadis , Panagiotis P. Filntisis , Petros Maragos

Facial Expression Recognition (FER) in the wild is still challenging due to uncontrolled variations in pose, occlusion, and illumination. Most existing attention-based methods primarily rely on visual appearance cues, suffering from…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Jiaxin Wang , Muwei Jian , Hui Yu , Junyu Dong , Yifan Xia

Pedestrian attribute recognition (PAR) has received increasing attention because of its wide application in video surveillance and pedestrian analysis. Extracting robust feature representation is one of the key challenges in this task. The…

Computer Vision and Pattern Recognition · Computer Science 2023-04-17 Xinwen Fan , Yukang Zhang , Yang Lu , Hanzi Wang

Within Convolutional Neural Network (CNN), the convolution operations are good at extracting local features but experience difficulty to capture global representations. Within visual transformer, the cascaded self-attention modules can…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 Zhiliang Peng , Wei Huang , Shanzhi Gu , Lingxi Xie , Yaowei Wang , Jianbin Jiao , Qixiang Ye

Owing to the development and advancement of artificial intelligence, numerous works were established in the human facial expression recognition system. Meanwhile, the detection and classification of micro-expressions are attracting…

Computer Vision and Pattern Recognition · Computer Science 2019-04-04 Sze-Teng Liong , Y. S. Gan , Danna Zheng , Shu-Meng Lic , Hao-Xuan Xua , Han-Zhe Zhang , Ran-Ke Lyu , Kun-Hong Liu

Facial landmark detection is an important yet challenging task for real-world computer vision applications. This paper proposes an effective and robust approach for facial landmark detection by combining data- and model-driven methods.…

Computer Vision and Pattern Recognition · Computer Science 2018-02-13 Hongwen Zhang , Qi Li , Zhenan Sun , Yunfan Liu

Cross-Database Micro-Expression Recognition (CDMER) aims to develop the Micro-Expression Recognition (MER) methods with strong domain adaptability, i.e., the ability to recognize the Micro-Expressions (MEs) of different subjects captured by…

Computer Vision and Pattern Recognition · Computer Science 2022-07-06 Xingxun Jiang , Yuan Zong , Wenming Zheng , Jiateng Liu , Mengting Wei

Micro-expression recognition (MER), a critical subfield of affective computing, presents greater challenges than macro-expression recognition due to its brief duration and low intensity. While incorporating prior knowledge has been shown to…

Computer Vision and Pattern Recognition · Computer Science 2025-06-12 Chuang Ma , Shaokai Zhao , Dongdong Zhou , Yu Pei , Zhiguo Luo , Liang Xie , Ye Yan , Erwei Yin

Micro-expressions (MEs) are brief, involuntary facial movements that reveal genuine emotions, typically lasting less than half a second. Recognizing these subtle expressions is critical for applications in psychology, security, and…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Vu Tram Anh Khuong , Luu Tu Nguyen , Thanh Ha Le , Thi Duyen Ngo

We propose a novel landmarks-assisted collaborative end-to-end deep framework for automatic 4D FER. Using 4D face scan data, we calculate its various geometrical images, and afterwards use rank pooling to generate their dynamic images…

Computer Vision and Pattern Recognition · Computer Science 2020-02-10 Muzammil Behzad , Nhat Vo , Xiaobai Li , Guoying Zhao

The ever-increasing demands for intuitive interactions in Virtual Reality has triggered a boom in the realm of Facial Expression Recognition (FER). To address the limitations in existing approaches (e.g., narrow receptive fields and…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Yande Li , Mingjie Wang , Minglun Gong , Yonggang Lu , Li Liu

Transformers have captured growing attention in computer vision, thanks to its large capacity and global processing capabilities. However, transformers are data hungry, and their ability to generalize is constrained compared to…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Hosam S. EL-Assiouti , Hadeer El-Saadawy , Maryam N. Al-Berry , Mohamed F. Tolba

Facial Expression Recognition (FER) is vital for understanding interpersonal communication. However, existing classification methods often face challenges such as vulnerability to noise, imbalanced datasets, overfitting, and generalization…

Computer Vision and Pattern Recognition · Computer Science 2024-07-03 Hozaifa Kassab , Mohamed Bahaa , Ali Hamdi

Facial expressions are important cues to observe human emotions. Facial expression recognition has attracted many researchers for years, but it is still a challenging topic since expression features vary greatly with the head poses,…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 S. D. Lalitha , K. K. Thyagharajan

Facial Expression Recognition (FER) is a critical task within computer vision with diverse applications across various domains. Addressing the challenge of limited FER datasets, which hampers the generalization capability of expression…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Bach Nguyen-Xuan , Thien Nguyen-Hoang , Thanh-Huy Nguyen , Nhu Tai-Do

In many domains, including online education, healthcare, security, and human-computer interaction, facial emotion recognition (FER) is essential. Real-world FER is still difficult despite its significance because of some factors such as…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Deeptimaan Banerjee , Prateek Gothwal , Ashis Kumer Biswas

Magnetic resonance imaging (MRI) is a valuable clinical tool for displaying anatomical structures and aiding in accurate diagnosis. Medical image super-resolution (SR) reconstruction using deep learning techniques can enhance lesion…

Computer Vision and Pattern Recognition · Computer Science 2023-05-30 Xin Hua , Zhijiang Du , Hongjian Yu , Jixin Maa

Micro expression recognition (MER) is a very challenging area of research due to its intrinsic nature and fine-grained changes. In the literature, the problem of MER has been solved through handcrafted/descriptor-based techniques. However,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-12 Monu Verma , Santosh Kumar Vipparthi , Girdhari Singh

Facial expression recognition (FER) is a subset of computer vision with important applications for human-computer-interaction, healthcare, and customer service. FER represents a challenging problem-space because accurate classification…

Computer Vision and Pattern Recognition · Computer Science 2025-05-01 Ezra Engel , Lishan Li , Chris Hudy , Robert Schleusner