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Human actions recognition has attracted more and more people's attention. Many technology have been developed to express human action's features, such as image, skeleton-based, and channel state information(CSI). Among them, on account of…

计算机视觉与模式识别 · 计算机科学 2019-11-22 Liu Yafeng , Chen Tian , Liu Zhongyu , Zhang Lei , Hu Yanjun , Ding Enjie

Due to the compact and rich high-level representations offered, skeleton-based human action recognition has recently become a highly active research topic. Previous studies have demonstrated that investigating joint relationships in spatial…

计算机视觉与模式识别 · 计算机科学 2023-05-30 Ali Farajzadeh Bavil , Hamed Damirchi , Hamid D. Taghirad

Current methods for skeleton-based human action recognition usually work with complete skeletons. However, in real scenarios, it is inevitable to capture incomplete or noisy skeletons, which could significantly deteriorate the performance…

计算机视觉与模式识别 · 计算机科学 2020-11-30 Yi-Fan Song , Zhang Zhang , Caifeng Shan , Liang Wang

In this paper, we present Fusion-GCN, an approach for multimodal action recognition using Graph Convolutional Networks (GCNs). Action recognition methods based around GCNs recently yielded state-of-the-art performance for skeleton-based…

计算机视觉与模式识别 · 计算机科学 2021-09-28 Michael Duhme , Raphael Memmesheimer , Dietrich Paulus

Dynamic imaging is a recently proposed action description paradigm for simultaneously capturing motion and temporal evolution information, particularly in the context of deep convolutional neural networks (CNNs). Compared with optical flow…

计算机视觉与模式识别 · 计算机科学 2018-12-31 Yang Xiao , Jun Chen , Yancheng Wang , Zhiguo Cao , Joey Tianyi Zhou , Xiang Bai

Deep neural networks, albeit their great success on feature learning in various computer vision tasks, are usually considered as impractical for online visual tracking because they require very long training time and a large number of…

计算机视觉与模式识别 · 计算机科学 2016-05-04 Hanxi Li , Yi Li , Fatih Porikli

Skeleton-based human action recognition has received widespread attention in recent years due to its diverse range of application scenarios. Due to the different sources of human skeletons, skeleton data naturally exhibit heterogeneity. The…

计算机视觉与模式识别 · 计算机科学 2025-06-05 Hongsong Wang , Xiaoyan Ma , Jidong Kuang , Jie Gui

The existing methods for video anomaly detection mostly utilize videos containing identifiable facial and appearance-based features. The use of videos with identifiable faces raises privacy concerns, especially when used in a hospital or…

计算机视觉与模式识别 · 计算机科学 2024-01-19 Pratik K. Mishra , Alex Mihailidis , Shehroz S. Khan

This project investigates the human multi-modal behavior identification algorithm utilizing deep neural networks. According to the characteristics of different modal information, different deep neural networks are used to adapt to different…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Jinyin Wang , Xingchen Li , Yixuan Jin , Yihao Zhong , Keke Zhang , Chang Zhou

The anatomical location of imaging features is of crucial importance for accurate diagnosis in many medical tasks. Convolutional neural networks (CNN) have had huge successes in computer vision, but they lack the natural ability to…

This work targets human action recognition in video. While recent methods typically represent actions by statistics of local video features, here we argue for the importance of a representation derived from human pose. To this end we…

计算机视觉与模式识别 · 计算机科学 2015-09-24 Guilhem Chéron , Ivan Laptev , Cordelia Schmid

Human action recognition from skeleton data, fueled by the Graph Convolutional Network (GCN), has attracted lots of attention, due to its powerful capability of modeling non-Euclidean structure data. However, many existing GCN methods…

计算机视觉与模式识别 · 计算机科学 2019-11-12 Wei Peng , Xiaopeng Hong , Haoyu Chen , Guoying Zhao

People identification in video based on the way they walk (i.e. gait) is a relevant task in computer vision using a non-invasive approach. Standard and current approaches typically derive gait signatures from sequences of binary energy maps…

计算机视觉与模式识别 · 计算机科学 2020-02-21 Francisco Manuel Castro , Manuel Jesús Marín-Jiménez , Nicolás Guil , Nicolás Pérez de la Blanca

Skeleton based action recognition distinguishes human actions using the trajectories of skeleton joints, which provide a very good representation for describing actions. Considering that recurrent neural networks (RNNs) with Long Short-Term…

计算机视觉与模式识别 · 计算机科学 2016-03-28 Wentao Zhu , Cuiling Lan , Junliang Xing , Wenjun Zeng , Yanghao Li , Li Shen , Xiaohui Xie

Dynamics of human body skeletons convey significant information for human action recognition. Conventional approaches for modeling skeletons usually rely on hand-crafted parts or traversal rules, thus resulting in limited expressive power…

计算机视觉与模式识别 · 计算机科学 2018-01-26 Sijie Yan , Yuanjun Xiong , Dahua Lin

In this paper we discuss several forms of spatiotemporal convolutions for video analysis and study their effects on action recognition. Our motivation stems from the observation that 2D CNNs applied to individual frames of the video have…

计算机视觉与模式识别 · 计算机科学 2018-04-13 Du Tran , Heng Wang , Lorenzo Torresani , Jamie Ray , Yann LeCun , Manohar Paluri

Joint segmentation and classification of fine-grained actions is important for applications of human-robot interaction, video surveillance, and human skill evaluation. However, despite substantial recent progress in large-scale action…

计算机视觉与模式识别 · 计算机科学 2016-10-03 Colin Lea , Austin Reiter , Rene Vidal , Gregory D. Hager

Three dimensional convolutional neural networks (3D CNNs) have been established as a powerful tool to simultaneously learn features from both spatial and temporal dimensions, which is suitable to be applied to video-based action…

计算机视觉与模式识别 · 计算机科学 2017-04-26 Congqi Cao , Yifan Zhang , Chunjie Zhang , Hanqing Lu

The emergence of RGB-D sensors offered new possibilities for addressing complex artificial vision problems efficiently. Human posture recognition is among these computer vision problems, with a wide range of applications such as ambient…

计算机视觉与模式识别 · 计算机科学 2018-10-16 Mohamed El Amine Elforaici , Ismail Chaaraoui , Wassim Bouachir , Youssef Ouakrim , Neila Mezghani

The video and action classification have extremely evolved by deep neural networks specially with two stream CNN using RGB and optical flow as inputs and they present outstanding performance in terms of video analysis. One of the…

计算机视觉与模式识别 · 计算机科学 2016-09-05 Ali Diba , Ali Mohammad Pazandeh , Luc Van Gool