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相关论文: Modeling Temporal Dynamics and Spatial Configurati…

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Spatio-temporal graphs (ST-graphs) have been used to model time series tasks such as traffic forecasting, human motion modeling, and action recognition. The high-level structure and corresponding features from ST-graphs have led to improved…

机器学习 · 计算机科学 2023-08-03 Aamir Hasan , Pranav Sriram , Katherine Driggs-Campbell

Skeleton-based human action recognition (HAR) has achieved remarkable progress with graph-based architectures. However, most existing methods remain body-centric, focusing on large-scale motions while neglecting subtle hand articulations…

计算机视觉与模式识别 · 计算机科学 2026-01-05 Seungyeon Cho , Tae-kyun Kim

The predictive learning of spatiotemporal sequences aims to generate future images by learning from the historical context, where the visual dynamics are believed to have modular structures that can be learned with compositional subsystems.…

机器学习 · 计算机科学 2022-04-12 Yunbo Wang , Haixu Wu , Jianjin Zhang , Zhifeng Gao , Jianmin Wang , Philip S. Yu , Mingsheng Long

Graph Convolutional Networks (GCNs) have been widely used to model the high-order dynamic dependencies for skeleton-based action recognition. Most existing approaches do not explicitly embed the high-order spatio-temporal importance to…

计算机视觉与模式识别 · 计算机科学 2022-02-07 Lipeng Ke , Kuan-Chuan Peng , Siwei Lyu

Human motion prediction is an important and challenging task in many computer vision application domains. Recent work concentrates on utilizing the timing processing ability of recurrent neural networks (RNNs) to achieve smooth and reliable…

计算机视觉与模式识别 · 计算机科学 2021-12-21 Zigeng Yan , Di-Hua Zhai , Yuanqing Xia

With the prevalence of accessible depth sensors, dynamic human body skeletons have attracted much attention as a robust modality for action recognition. Previous methods model skeletons based on RNN or CNN, which has limited expressive…

计算机视觉与模式识别 · 计算机科学 2019-04-16 Xiang Gao , Wei Hu , Jiaxiang Tang , Jiaying Liu , Zongming Guo

Recommender systems objectives can be broadly characterized as modeling user preferences over short-or long-term time horizon. A large body of previous research studied long-term recommendation through dimensionality reduction techniques…

信息检索 · 计算机科学 2018-07-25 Kiewan Villatel , Elena Smirnova , Jérémie Mary , Philippe Preux

Recognizing human actions in untrimmed videos is an important challenging task. An effective 3D motion representation and a powerful learning model are two key factors influencing recognition performance. In this paper we introduce a new…

计算机视觉与模式识别 · 计算机科学 2018-12-31 Huy-Hieu Pham , Louahdi Khoudour , Alain Crouzil , Pablo Zegers , Sergio A. Velastin

Skeleton-based action recognition is an important task that requires the adequate understanding of movement characteristics of a human action from the given skeleton sequence. Recent studies have shown that exploring spatial and temporal…

计算机视觉与模式识别 · 计算机科学 2019-04-01 Chenyang Si , Wentao Chen , Wei Wang , Liang Wang , Tieniu Tan

It is known that the kinematics of the human body skeleton reveals valuable information in action recognition. Recently, modeling skeletons as spatio-temporal graphs with Graph Convolutional Networks (GCNs) has been reported to solidly…

计算机视觉与模式识别 · 计算机科学 2021-05-17 Bruno Degardin , Vasco Lopes , Hugo Proença

Graph convolutional networks (GCNs) have been very successful in modeling non-Euclidean data structures, like sequences of body skeletons forming actions modeled as spatio-temporal graphs. Most GCN-based action recognition methods use deep…

计算机视觉与模式识别 · 计算机科学 2021-04-26 Negar Heidari , Alexandros Iosifidis

The aim of this research is to recognize human actions performed on stage to aid visually impaired and blind individuals. To achieve this, we have created a theatre human action recognition system that uses skeleton data captured by depth…

计算机视觉与模式识别 · 计算机科学 2023-06-29 Leyla Benhamida , Slimane Larabi

Recently, three dimensional (3D) convolutional neural networks (CNNs) have emerged as dominant methods to capture spatiotemporal representations in videos, by adding to pre-existing 2D CNNs a third, temporal dimension. Such 3D CNNs,…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Gurkirt Singh , Fabio Cuzzolin

A collection of approaches based on graph convolutional networks have proven success in skeleton-based action recognition by exploring neighborhood information and dense dependencies between intra-frame joints. However, these approaches…

计算机视觉与模式识别 · 计算机科学 2019-12-30 Jialin Gao , Tong He , Xi Zhou , Shiming Ge

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

Skeleton-based action recognition has gained considerable traction thanks to its utilization of succinct and robust skeletal representations. Nonetheless, current methodologies often lean towards utilizing a solitary backbone to model…

计算机视觉与模式识别 · 计算机科学 2024-04-26 Jinfu Liu , Baiqiao Yin , Jiaying Lin , Jiajun Wen , Yue Li , Mengyuan Liu

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

This paper investigates body bones from skeleton data for skeleton based action recognition. Body joints, as the direct result of mature pose estimation technologies, are always the key concerns of traditional action recognition methods.…

计算机视觉与模式识别 · 计算机科学 2018-06-01 Xikun Zhang , Chang Xu , Xinmei Tian , Dacheng Tao

In skeleton-based action recognition, Graph Convolutional Networks model human skeletal joints as vertices and connect them through an adjacency matrix, which can be seen as a local attention mask. However, in most existing Graph…

计算机视觉与模式识别 · 计算机科学 2022-07-13 Hao Xing , Darius Burschka

Action recognition is a prerequisite for many applications in laparoscopic video analysis including but not limited to surgical training, operation room planning, follow-up surgery preparation, post-operative surgical assessment, and…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Sahar Nasirihaghighi , Negin Ghamsarian , Daniela Stefanics , Klaus Schoeffmann , Heinrich Husslein