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We address the problem of class incremental learning, which is a core step towards achieving adaptive vision intelligence. In particular, we consider the task setting of incremental learning with limited memory and aim to achieve better…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Shipeng Yan , Jiangwei Xie , Xuming He

Automated emotion recognition in speech is a long-standing problem. While early work on emotion recognition relied on hand-crafted features and simple classifiers, the field has now embraced end-to-end feature learning and classification…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-10 Ravi Shankar , Abdouh Harouna Kenfack , Arjun Somayazulu , Archana Venkataraman

Dynamic Facial Expression Recognition(DFER) is a rapidly evolving field of research that focuses on the recognition of time-series facial expressions. While previous research on DFER has concentrated on feature learning from a deep learning…

Computer Vision and Pattern Recognition · Computer Science 2025-07-11 Feng Liu , Lingna Gu , Chen Shi , Xiaolan Fu

The study of human emotions, traditionally a cornerstone in fields like psychology and neuroscience, has been profoundly impacted by the advent of artificial intelligence (AI). Multiple channels, such as speech (voice) and facial…

Surface electromyography (sEMG)-based gesture recognition plays a critical role in human-machine interaction (HMI), particularly for rehabilitation and prosthetic control. However, sEMG-based systems often suffer from the scarcity of…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Chen Liu , Can Han , Weishi Xu , Yaqi Wang , Dahong Qian

Cross-database micro-expression recognition (CDMER) is one of recently emerging and interesting problem in micro-expression analysis. CDMER is more challenging than the conventional micro-expression recognition (MER), because the training…

Computer Vision and Pattern Recognition · Computer Science 2019-11-12 Yuan Zong , Tong Zhang , Wenming Zheng , Xiaopeng Hong , Chuangao Tang , Zhen Cui , Guoying Zhao

Micro-expressions are brief spontaneous facial expressions that appear on a face when a person conceals an emotion, making them different to normal facial expressions in subtlety and duration. Currently, emotion classes within the CASME II…

Computer Vision and Pattern Recognition · Computer Science 2017-12-05 Adrian K. Davison , Walied Merghani , Moi Hoon Yap

Masked image modeling (MIM) has been recognized as a strong self-supervised pre-training approach in the vision domain. However, the mechanism and properties of the learned representations by such a scheme, as well as how to further enhance…

Computer Vision and Pattern Recognition · Computer Science 2024-04-10 Kevin Zhang , Zhiqiang Shen

Facial micro-expressions recognition has attracted much attention recently. Micro-expressions have the characteristics of short duration and low intensity, and it is difficult to train a high-performance classifier with the limited number…

Computer Vision and Pattern Recognition · Computer Science 2022-05-31 Yanxin Song , Jianzong Wang , Tianbo Wu , Zhangcheng Huang , Jing Xiao

Dynamic Magnetic Resonance Imaging (MRI) is a crucial non-invasive method used to capture the movement of internal organs and tissues, making it a key tool for medical diagnosis. However, dynamic MRI faces a major challenge: long…

Image and Video Processing · Electrical Eng. & Systems 2024-09-20 Tamir Shor , Chaim Baskin , Alex Bronstein

Dynamic facial expression recognition (DFER) aims to identify emotional states by modeling the temporal changes in facial movements across video sequences. A key challenge in DFER is the many-to-one labeling problem, where a video composed…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Gunho Jung , Heejo Kong , Seong-Whan Lee

Facial micro-expressions are spontaneous, brief and subtle facial motions that unveil the underlying, suppressed emotions. Detecting Action Units (AUs) in micro-expressions is crucial because it yields a finer representation of facial…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Huai-Qian Khor , Yante Li , Xingxun Jiang , Guoying Zhao

For action recognition learning, 2D CNN-based methods are efficient but may yield redundant features due to applying the same 2D convolution kernel to each frame. Recent efforts attempt to capture motion information by establishing…

Computer Vision and Pattern Recognition · Computer Science 2021-03-24 Mingyu Wu , Boyuan Jiang , Donghao Luo , Junchi Yan , Yabiao Wang , Ying Tai , Chengjie Wang , Jilin Li , Feiyue Huang , Xiaokang Yang

In this paper, we present SAFER, a novel system for emotion recognition from facial expressions. It employs state-of-the-art deep learning techniques to extract various features from facial images and incorporates contextual information,…

Computer Vision and Pattern Recognition · Computer Science 2023-06-19 Mijanur Palash , Bharat Bhargava

Emotions are best way of communicating information; and sometimes it carry more information than words. Recently, there has been a huge interest in automatic recognition of human emotion because of its wide spread application in security,…

Computer Vision and Pattern Recognition · Computer Science 2013-12-05 Nikunj Bajaj , Aurobinda Routray , S L Happy

Speech Emotion Recognition (SER) has become a growing focus of research in human-computer interaction. Spatiotemporal features play a crucial role in SER, yet current research lacks comprehensive spatiotemporal feature learning. This paper…

Sound · Computer Science 2023-12-29 Mengbo Li , Yuanzhong Zheng , Dichucheng Li , Yulun Wu , Yaoxuan Wang , Haojun Fei

Micro-Expression (ME) is the spontaneous, involuntary movement of a face that can reveal the true feeling. Recently, increasing researches have paid attention to this field combing deep learning techniques. Action units (AUs) are the…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Ling Lo , Hong-Xia Xie , Hong-Han Shuai , Wen-Huang Cheng

Facial micro-expressions (MEs) are involuntary movements of the face that occur spontaneously when a person experiences an emotion but attempts to suppress or repress the facial expression, typically found in a high-stakes environment. In…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Xinqi Fan , Jingting Li , John See , Moi Hoon Yap , Su-Jing Wang , Adrian K. Davison

Speech emotion recognition (SER) has drawn increasing attention for its applications in human-machine interaction. However, existing SER methods ignore the information gap between the pre-training speech recognition task and the downstream…

Sound · Computer Science 2023-10-03 Dongyuan Li , Yusong Wang , Kotaro Funakoshi , Manabu Okumura

Data augmentation has recently emerged as an essential component of modern training recipes for visual recognition tasks. However, data augmentation for video recognition has been rarely explored despite its effectiveness. Few existing…

Computer Vision and Pattern Recognition · Computer Science 2022-07-01 Taeoh Kim , Jinhyung Kim , Minho Shim , Sangdoo Yun , Myunggu Kang , Dongyoon Wee , Sangyoun Lee