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Previous methods for dynamic facial expression recognition (DFER) in the wild are mainly based on Convolutional Neural Networks (CNNs), whose local operations ignore the long-range dependencies in videos. Transformer-based methods for DFER…

计算机视觉与模式识别 · 计算机科学 2023-05-08 Fuyan Ma , Bin Sun , Shutao Li

This paper proposes a two-stream convolution network to extract spatial and temporal cues for video based person Re-Identification (ReID). A temporal stream in this network is constructed by inserting several Multi-scale 3D (M3D)…

计算机视觉与模式识别 · 计算机科学 2018-11-20 Jianing Li , Shiliang Zhang , Tiejun Huang

The goal of video-based person re-identification is to match two input videos, so that the distance of the two videos is small if two videos contain the same person. A common approach for person re-identification is to first extract image…

计算机视觉与模式识别 · 计算机科学 2019-04-11 Tanzila Rahman , Mrigank Rochan , Yang Wang

We consider the problem of video-based person re-identification. The goal is to identify a person from videos captured under different cameras. In this paper, we propose an efficient spatial-temporal attention based model for person…

计算机视觉与模式识别 · 计算机科学 2018-10-29 Shivansh Rao , Tanzila Rahman , Mrigank Rochan , Yang Wang

Recently, the Transformer module has been transplanted from natural language processing to computer vision. This paper applies the Transformer to video-based person re-identification, where the key issue is to extract the discriminative…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Tianyu Zhang , Longhui Wei , Lingxi Xie , Zijie Zhuang , Yongfei Zhang , Bo Li , Qi Tian

Two-stream convolutional networks have shown strong performance in video action recognition tasks. The key idea is to learn spatiotemporal features by fusing convolutional networks spatially and temporally. However, it remains unclear how…

计算机视觉与模式识别 · 计算机科学 2019-03-05 Yunbo Wang , Mingsheng Long , Jianmin Wang , Philip S. Yu

When emotions are repressed, an individual's true feelings may be revealed through micro-expressions. Consequently, micro-expressions are regarded as a genuine source of insight into an individual's authentic emotions. However, the…

计算机视觉与模式识别 · 计算机科学 2025-05-23 Feng Liu , Bingyu Nan , Xuezhong Qian , Xiaolan Fu

Domain generalizable person re-identification aims to apply a trained model to unseen domains. Prior works either combine the data in all the training domains to capture domain-invariant features, or adopt a mixture of experts to…

计算机视觉与模式识别 · 计算机科学 2025-06-17 Yichao Yan , Junjie Li , Shengcai Liao , Jie Qin , Bingbing Ni , Xiaokang Yang

Face aging has become a crucial task in computer vision, with applications ranging from entertainment to healthcare. However, existing methods struggle with achieving a realistic and seamless transformation across the entire lifespan,…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Tao Liu , Dafeng Zhang , Gengchen Li , Shizhuo Liu , Yongqi Song , Senmao Li , Shiqi Yang , Boqian Li , Kai Wang , Yaxing Wang

Transformer based end-to-end modelling approaches with multiple stream inputs have been achieved great success in various automatic speech recognition (ASR) tasks. An important issue associated with such approaches is that the intermediate…

音频与语音处理 · 电气工程与系统科学 2022-07-11 Jin Li , Rongfeng Su , Xurong Xie , Nan Yan , Lan Wang

Many video editing tasks such as rotoscoping or object removal require the propagation of context across frames. While transformers and other attention-based approaches that aggregate features globally have demonstrated great success at…

计算机视觉与模式识别 · 计算机科学 2022-05-20 Patrick Esser , Peter Michael , Soumyadip Sengupta

Person re-identification is a popular research topic which aims at matching the specific person in a multi-camera network automatically. Feature representation and metric learning are two important issues for person re-identification. In…

计算机视觉与模式识别 · 计算机科学 2018-08-21 Jianjun Lei , Lijie Niu , Huazhu Fu , Bo Peng , Qingming Huang , Chunping Hou

Continuous Authentication (CA) using behavioural biometrics is a type of biometric identification that recognizes individuals based on their unique behavioural characteristics, like their typing style. However, the existing systems that use…

Video-based person re-identification matches video clips of people across non-overlapping cameras. Most existing methods tackle this problem by encoding each video frame in its entirety and computing an aggregate representation across all…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Shuang Li , Slawomir Bak , Peter Carr , Xiaogang Wang

Deep learning models have enjoyed great success for image related computer vision tasks like image classification and object detection. For video related tasks like human action recognition, however, the advancements are not as significant…

计算机视觉与模式识别 · 计算机科学 2018-09-12 Xiaolin Song , Cuiling Lan , Wenjun Zeng , Junliang Xing , Jingyu Yang , Xiaoyan Sun

Early identification of stroke symptoms is essential for enabling timely intervention and improving patient outcomes, particularly in prehospital settings. This study presents a fast, non-invasive multimodal deep learning framework for…

计算机视觉与模式识别 · 计算机科学 2026-03-19 Ngoc-Khai Hoang , Thi-Nhu-Mai Nguyen , Huy-Hieu Pham

Endowing chatbots with a consistent personality plays a vital role for agents to deliver human-like interactions. However, existing personalized approaches commonly generate responses in light of static predefined personas depicted with…

计算与语言 · 计算机科学 2022-08-24 Yifan Liu , Wei Wei , Jiayi Liu , Xianling Mao , Rui Fang , Dangyang Chen

Fusion is critical for a two-stream network. In this paper, we propose a novel temporal fusion (TF) module to fuse the two-stream joints' information to predict human motion, including a temporal concatenation and a reinforcement trajectory…

计算机视觉与模式识别 · 计算机科学 2021-04-13 Jin Tang , Jin Zhang , Jianqin Yin

Continuous Sign Language Recognition (CSLR) is a crucial task for understanding the languages of deaf communities. Contemporary keypoint-based approaches typically rely on spatio-temporal encoding, where spatial interactions among keypoints…

计算机视觉与模式识别 · 计算机科学 2026-03-18 Suvajit Patra , Soumitra Samanta

This work investigates whether individuals can be identified solely through the pure dynamical components of their facial expressions, independent of static facial appearance. We leverage the FLAME 3D morphable model to achieve explicit…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Masoumeh Chapariniya , Pierre Vuillecard , Jean-Marc Odobez , Volker Dellwo , Teodora Vukovic