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It is challenging to annotate large-scale datasets for supervised video shadow detection methods. Using a model trained on labeled images to the video frames directly may lead to high generalization error and temporal inconsistent results.…

计算机视觉与模式识别 · 计算机科学 2022-06-20 Xiao Lu , Yihong Cao , Sheng Liu , Chengjiang Long , Zipei Chen , Xuanyu Zhou , Yimin Yang , Chunxia Xiao

Previous methods for dynamic facial expression in the wild are mainly based on Convolutional Neural Networks (CNNs), whose local operations ignore the long-range dependencies in videos. To solve this problem, we propose the spatio-temporal…

计算机视觉与模式识别 · 计算机科学 2022-05-11 Fuyan Ma , Bin Sun , Shutao Li

The high capacity of deep learning models to learn complex patterns poses a significant challenge when confronted with label noise. The inability to differentiate clean and noisy labels ultimately results in poor generalization. We approach…

机器学习 · 计算机科学 2023-11-27 Eugene Kim

High level understanding of sequential visual input is important for safe and stable autonomy, especially in localization and object detection. While traditional object classification and tracking approaches are specifically designed to…

计算机视觉与模式识别 · 计算机科学 2017-07-25 Mo Shan , Nikolay Atanasov

Stripe-like space target detection (SSTD) plays a key role in enhancing space situational awareness and assessing spacecraft behaviour. This domain faces three challenges: the lack of publicly available datasets, interference from stray…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Zijian Zhu , Ali Zia , Xuesong Li , Bingbing Dan , Yuebo Ma , Enhai Liu , Rujin Zhao

Spatial-temporal (ST) graph modeling, such as traffic speed forecasting and taxi demand prediction, is an important task in deep learning area. However, for the nodes in graph, their ST patterns can vary greatly in difficulties for…

机器学习 · 计算机科学 2022-11-29 Hongjun Wang , Jiyuan Chen , Tong Pan , Zipei Fan , Boyuan Zhang , Renhe Jiang , Lingyu Zhang , Yi Xie , Zhongyi Wang , Xuan Song

Analyzing student behavior in educational scenarios is crucial for enhancing teaching quality and student engagement. Existing AI-based models often rely on classroom video footage to identify and analyze student behavior. While these…

计算机与社会 · 计算机科学 2025-03-11 Xian Gao , Jiacheng Ruan , Jingsheng Gao , Mingye Xie , Zongyun Zhang , Ting Liu , Yuzhuo Fu

Action Detection is a complex task that aims to detect and classify human actions in video clips. Typically, it has been addressed by processing fine-grained features extracted from a video classification backbone. Recently, thanks to the…

计算机视觉与模式识别 · 计算机科学 2021-03-02 Matteo Tomei , Lorenzo Baraldi , Simone Calderara , Simone Bronzin , Rita Cucchiara

Action recognition is an important problem in multimedia understanding. This paper addresses this problem by building an expressive compositional action model. We model one action instance in the video with an ensemble of spatio-temporal…

计算机视觉与模式识别 · 计算机科学 2015-02-03 Xiaodan Liang , Liang Lin , Liangliang Cao

Detecting pedestrians and predicting future trajectories for them are critical tasks for numerous applications, such as autonomous driving. Previous methods either treat the detection and prediction as separate tasks or simply add a…

计算机视觉与模式识别 · 计算机科学 2020-05-12 Zhishuai Zhang , Jiyang Gao , Junhua Mao , Yukai Liu , Dragomir Anguelov , Congcong Li

Semi-Supervised Learning (SSL) has shown tremendous potential to improve the predictive performance of deep learning models when annotations are hard to obtain. However, the application of SSL has so far been mainly studied in the context…

计算机视觉与模式识别 · 计算机科学 2025-07-30 Ankit Singh , Efstratios Gavves , Cees G. M. Snoek , Hilde Kuehne

Spatio-temporal prediction is crucial in numerous real-world applications, including traffic forecasting and crime prediction, which aim to improve public transportation and safety management. Many state-of-the-art models demonstrate the…

机器学习 · 计算机科学 2023-10-30 Jiabin Tang , Lianghao Xia , Jie Hu , Chao Huang

Spatiotemporal and motion features are two complementary and crucial information for video action recognition. Recent state-of-the-art methods adopt a 3D CNN stream to learn spatiotemporal features and another flow stream to learn motion…

计算机视觉与模式识别 · 计算机科学 2019-08-19 Boyuan Jiang , Mengmeng Wang , Weihao Gan , Wei Wu , Junjie Yan

Detecting breast lesion in videos is crucial for computer-aided diagnosis. Existing video-based breast lesion detection approaches typically perform temporal feature aggregation of deep backbone features based on the self-attention…

计算机视觉与模式识别 · 计算机科学 2023-09-12 Chao Qin , Jiale Cao , Huazhu Fu , Rao Muhammad Anwer , Fahad Shahbaz Khan

As moving objects always draw more attention of human eyes, the temporal motive information is always exploited complementarily with spatial information to detect salient objects in videos. Although efficient tools such as optical flow have…

计算机视觉与模式识别 · 计算机科学 2022-03-23 Jing Liu , Jiaxiang Wang , Weikang Wang , Yuting Su

EEG-based emotion recognition plays an important role in developing adaptive brain-computer communication systems, yet faces two fundamental challenges in practical implementations: (1) effective integration of non-stationary…

机器学习 · 计算机科学 2025-08-20 Xuetao Lin , Tianhao Peng , Peihong Dai , Yu Liang , Wenjun Wu

Real-time video analysis remains a challenging problem in computer vision, requiring efficient processing of both spatial and temporal information while maintaining computational efficiency. Existing approaches often struggle to balance…

计算机视觉与模式识别 · 计算机科学 2025-07-31 Shahla John

3D convolutional neural networks have achieved promising results for video tasks in computer vision, including video saliency prediction that is explored in this paper. However, 3D convolution encodes visual representation merely on fixed…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Ziqiang Wang , Zhi Liu , Gongyang Li , Yang Wang , Tianhong Zhang , Lihua Xu , Jijun Wang

Pedestrian detection is a critical task in robot perception. Multispectral modalities (visible light and thermal) can boost pedestrian detection performance by providing complementary visual information. Several gaps remain with…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Asiegbu Miracle Kanu-Asiegbu , Nitin Jotwani , Xiaoxiao Du

Deepfake videos are causing growing concerns among communities due to their ever-increasing realism. Naturally, automated detection of forged Deepfake videos is attracting a proportional amount of interest of researchers. Current methods…

计算机视觉与模式识别 · 计算机科学 2025-02-13 Yunzhuo Chen , Naveed Akhtar , Nur Al Hasan Haldar , Ajmal Mian