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Related papers: AMMSM: Adaptive Motion Magnification and Sparse Ma…

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As a spontaneous expression of emotion on face, micro-expression reveals the underlying emotion that cannot be controlled by human. In micro-expression, facial movement is transient and sparsely localized through time. However, the existing…

Computer Vision and Pattern Recognition · Computer Science 2021-03-16 Min Peng , Chongyang Wang , Yuan Gao , Tao Bi , Tong Chen , Yu Shi , Xiang-Dong Zhou

Diffusion Models have become very popular for Semantic Image Synthesis (SIS) of human faces. Nevertheless, their training and inference is computationally expensive and their computational requirements are high due to the quadratic…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Filippo Botti , Alex Ergasti , Tomaso Fontanini , Claudio Ferrari , Massimo Bertozzi , Andrea Prati

Convolutional neural networks have primarily led 3D medical image segmentation but may be limited by small receptive fields. Transformer models excel in capturing global relationships through self-attention but are challenged by high…

Computer Vision and Pattern Recognition · Computer Science 2024-09-27 Ao Chang , Jiajun Zeng , Ruobing Huang , Dong Ni

State Space Models (SSMs) have recently enjoyed a rise to prominence in the field of deep learning for sequence modeling, especially as an alternative to Transformers. Their success stems from avoiding two well-known drawbacks of…

Machine Learning · Computer Science 2025-01-22 Stefano Rando , Luca Romani , Matteo Migliarini , Luca Franco , Denis Gudovskiy , Fabio Galasso

Modern deep learning models are over-parameterized, where different optima can result in widely varying generalization performance. The Sharpness-Aware Minimization (SAM) technique modifies the fundamental loss function that steers gradient…

Existing manual labeling of micro-expressions is subject to errors in accuracy, especially in cross-cultural scenarios where deviation in labeling of key frames is more prominent. To address this issue, this paper presents a novel Global…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Feng Liu , Bingyu Nan , Xuezhong Qian , Xiaolan Fu

Due to the capability of dynamic state space models (SSMs) in capturing long-range dependencies with linear-time computational complexity, Mamba has shown notable performance in NLP tasks. This has inspired the rapid development of…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Meng Lou , Yunxiang Fu , Yizhou Yu

Transformers have rapidly become the preferred choice for audio classification, surpassing methods based on CNNs. However, Audio Spectrogram Transformers (ASTs) exhibit quadratic scaling due to self-attention. The removal of this quadratic…

Sound · Computer Science 2024-06-06 Mehmet Hamza Erol , Arda Senocak , Jiu Feng , Joon Son Chung

Transformer and its derivatives have achieved success in diverse tasks across computer vision, natural language processing, and speech processing. To reduce the complexity of computations within the multi-head self-attention mechanism in…

Audio and Speech Processing · Electrical Eng. & Systems 2025-04-29 Xiangyu Zhang , Qiquan Zhang , Hexin Liu , Tianyi Xiao , Xinyuan Qian , Beena Ahmed , Eliathamby Ambikairajah , Haizhou Li , Julien Epps

Being spontaneous, micro-expressions are useful in the inference of a person's true emotions even if an attempt is made to conceal them. Due to their short duration and low intensity, the recognition of micro-expressions is a difficult task…

Computer Vision and Pattern Recognition · Computer Science 2022-11-24 Liangfei Zhang , Xiaopeng Hong , Ognjen Arandjelovic , Guoying Zhao

U-shaped architectures have long dominated the field of medical image segmentation, while Transformers are widely employed for modeling long-range dependencies. The former typically handles scale variations implicitly by aggregating…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Yanhua Zhang , Ke Zhang , Jingyu Wang , Gabriella Balestra , Samanta Rosati , Yulin Wu , Wuwei Wang , Valentina Giannini

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

Deep learning has been extensively applied in medical image reconstruction, where Convolutional Neural Networks (CNNs) and Vision Transformers (ViTs) represent the predominant paradigms, each possessing distinct advantages and inherent…

Accurate traffic prediction plays a vital role in intelligent transportation systems by enabling efficient routing, congestion mitigation, and proactive traffic control. However, forecasting is challenging due to the combined effects of…

Machine Learning · Computer Science 2025-07-08 Mohamed Hamad , Mohamed Mabrok , Nizar Zorba

Recently, Mamba-based methods have demonstrated impressive performance in point cloud representation learning by leveraging State Space Model (SSM) with the efficient context modeling ability and linear complexity. However, these methods…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Chuxin Wang , Yixin Zha , Wenfei Yang , Tianzhu Zhang

Existing video camouflaged object detection (VCOD) methods primarily rely on spatial appearances for motion perception. However, the high foreground-background similarity in VCOD limits the discriminability of such features (e.g. color and…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Xin Li , Keren Fu , Qijun Zhao

Human motion generation stands as a significant pursuit in generative computer vision, while achieving long-sequence and efficient motion generation remains challenging. Recent advancements in state space models (SSMs), notably Mamba, have…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Zeyu Zhang , Akide Liu , Ian Reid , Richard Hartley , Bohan Zhuang , Hao Tang

Recent Mamba-based architectures for video understanding demonstrate promising computational efficiency and competitive performance, yet struggle with overfitting issues that hinder their scalability. To overcome this challenge, we…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Yunze Liu , Peiran Wu , Cheng Liang , Junxiao Shen , Limin Wang , Li Yi

Aspect-based sentiment analysis (ABSA) garnered growing research interest in multilingual contexts in the past. However, the majority of the studies lack more robust feature alignment and finer aspect-level alignment. In this paper, we…

Computation and Language · Computer Science 2026-04-13 Chengyan Wu , Bolei Ma , Ningyuan Deng , Yanqing He , Yun Xue , Xiaoyong Liu

Given the similarity between facial expression categories, the presence of compound facial expressions, and the subjectivity of annotators, facial expression recognition (FER) datasets often suffer from ambiguity and noisy labels. Ambiguous…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Ziyang Zhang , Xiao Sun , Liuwei An , Meng Wang