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相关论文: STH: Spatio-Temporal Hybrid Convolution for Effici…

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Effectively modeling discriminative spatio-temporal information is essential for segmenting activities in long action sequences. However, we observe that existing methods are limited in weak spatio-temporal modeling capability due to two…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Yunheng Li , Zhongyu Li , Shanghua Gao , Qilong Wang , Qibin Hou , Ming-Ming Cheng

In this paper, we propose the Masked Space-Time Hash encoding (MSTH), a novel method for efficiently reconstructing dynamic 3D scenes from multi-view or monocular videos. Based on the observation that dynamic scenes often contain…

计算机视觉与模式识别 · 计算机科学 2023-10-27 Feng Wang , Zilong Chen , Guokang Wang , Yafei Song , Huaping Liu

The explosive growth in video streaming gives rise to challenges on performing video understanding at high accuracy and low computation cost. Conventional 2D CNNs are computationally cheap but cannot capture temporal relationships; 3D CNN…

计算机视觉与模式识别 · 计算机科学 2019-08-23 Ji Lin , Chuang Gan , Song Han

Sleep stage classification is crucial for detecting patients' health conditions. Existing models, which mainly use Convolutional Neural Networks (CNN) for modelling Euclidean data and Graph Convolution Networks (GNN) for modelling…

机器学习 · 计算机科学 2023-09-06 Yuze Liu , Ziming Zhao , Tiehua Zhang , Kang Wang , Xin Chen , Xiaowei Huang , Jun Yin , Zhishu Shen

Video action recognition has made significant strides, but challenges remain in effectively using both spatial and temporal information. While existing methods often focus on either spatial features (e.g., object appearance) or temporal…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Huilin Chen , Lei Wang , Yifan Chen , Tom Gedeon , Piotr Koniusz

It remains a challenge to efficiently extract spatialtemporal information from skeleton sequences for 3D human action recognition. Although most recent action recognition methods are based on Recurrent Neural Networks which present…

计算机视觉与模式识别 · 计算机科学 2017-06-08 Hong Liu , Juanhui Tu , Mengyuan Liu

This paper presents a novel spatiotemporal transformer network that introduces several original components to detect actions in untrimmed videos. First, the multi-feature selective semantic attention model calculates the correlations…

计算机视觉与模式识别 · 计算机科学 2024-05-15 Matthew Korban , Peter Youngs , Scott T. Acton

To efficiently extract spatiotemporal features of video for action recognition, most state-of-the-art methods integrate 1D temporal convolution into a conventional 2D CNN backbone. However, they all exploit 1D temporal convolution of fixed…

计算机视觉与模式识别 · 计算机科学 2020-01-28 Kaiyu Shan , Yongtao Wang , Zhuoying Wang , Tingting Liang , Zhi Tang , Ying Chen , Yangyan Li

Spatio-temporal information is key to resolve occlusion and depth ambiguity in 3D pose estimation. Previous methods have focused on either temporal contexts or local-to-global architectures that embed fixed-length spatio-temporal…

计算机视觉与模式识别 · 计算机科学 2020-10-21 Junfa Liu , Juan Rojas , Zhijun Liang , Yihui Li , Yisheng Guan

In this paper, we address the challenging problem of spatial and temporal action detection in videos. We first develop an effective approach to localize frame-level action regions through integrating static and kinematic information by the…

计算机视觉与模式识别 · 计算机科学 2018-11-30 Yuancheng Ye , Xiaodong Yang , Yingli Tian

In recent years, finding an effective and efficient strategy for exploiting spatial and temporal information has been a hot research topic in video saliency prediction (VSP). With the emergence of spatio-temporal transformers, the weakness…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Morteza Moradi , Simone Palazzo , Concetto Spampinato

Recent two-stream deep Convolutional Neural Networks (ConvNets) have made significant progress in recognizing human actions in videos. Despite their success, methods extending the basic two-stream ConvNet have not systematically explored…

计算机视觉与模式识别 · 计算机科学 2017-04-03 Chih-Yao Ma , Min-Hung Chen , Zsolt Kira , Ghassan AlRegib

Video-based behavior recognition is essential in fields such as public safety, intelligent surveillance, and human-computer interaction. Traditional 3D Convolutional Neural Network (3D CNN) effectively capture local spatiotemporal features…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Xiuliang Zhang , Tadiwa Elisha Nyamasvisva , Chuntao Liu

This paper addresses the task of segmenting class-agnostic objects in semi-supervised setting. Although previous detection based methods achieve relatively good performance, these approaches extract the best proposal by a greedy strategy,…

计算机视觉与模式识别 · 计算机科学 2020-12-11 Daizong Liu , Shuangjie Xu , Xiao-Yang Liu , Zichuan Xu , Wei Wei , Pan Zhou

Deep convolutional networks have achieved great success for image recognition. However, for action recognition in videos, their advantage over traditional methods is not so evident. We present a general and flexible video-level framework…

计算机视觉与模式识别 · 计算机科学 2017-05-09 Limin Wang , Yuanjun Xiong , Zhe Wang , Yu Qiao , Dahua Lin , Xiaoou Tang , Luc Van Gool

Efficiency is an important issue in designing video architectures for action recognition. 3D CNNs have witnessed remarkable progress in action recognition from videos. However, compared with their 2D counterparts, 3D convolutions often…

计算机视觉与模式识别 · 计算机科学 2019-11-22 Zhaoyang Liu , Donghao Luo , Yabiao Wang , Limin Wang , Ying Tai , Chengjie Wang , Jilin Li , Feiyue Huang , Tong Lu

Leveraging spatio-temporal correlations among wind farms can significantly enhance the accuracy of ultra-short-term wind power forecasting. However, the complex and dynamic nature of these correlations presents significant modeling…

机器学习 · 计算机科学 2024-12-17 Xiaochong Dong , Xuemin Zhang , Ming Yang , Shengwei Mei

Video prediction aims to predict future frames by modeling the complex spatiotemporal dynamics in videos. However, most of the existing methods only model the temporal information and the spatial information for videos in an independent…

计算机视觉与模式识别 · 计算机科学 2022-04-21 Zheng Chang , Xinfeng Zhang , Shanshe Wang , Siwei Ma , Wen Gao

Conventionally, spatiotemporal modeling network and its complexity are the two most concentrated research topics in video action recognition. Existing state-of-the-art methods have achieved excellent accuracy regardless of the complexity…

计算机视觉与模式识别 · 计算机科学 2021-01-06 Wenhao Wu , Dongliang He , Tianwei Lin , Fu Li , Chuang Gan , Errui Ding

Recent methods based on 3D skeleton data have achieved outstanding performance due to its conciseness, robustness, and view-independent representation. With the development of deep learning, Convolutional Neural Networks (CNN) and Long…

计算机视觉与模式识别 · 计算机科学 2017-07-11 Chuankun Li , Pichao Wang , Shuang Wang , Yonghong Hou , Wanqing Li