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Skeleton-based action recognition aims to recognize human actions given human joint coordinates with skeletal interconnections. By defining a graph with joints as vertices and their natural connections as edges, previous works successfully…

计算机视觉与模式识别 · 计算机科学 2023-03-23 Yuxuan Zhou , Zhi-Qi Cheng , Chao Li , Yanwen Fang , Yifeng Geng , Xuansong Xie , Margret Keuper

In recent years, action recognition has received much attention and wide application due to its important role in video understanding. Most of the researches on action recognition methods focused on improving the performance via various…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Pengcheng Dong , Wenbo Wan , Huaxiang Zhang , Shuai Li , Sujuan Hou , Jiande Sun

Analyzing videos of human actions involves understanding the temporal relationships among video frames. State-of-the-art action recognition approaches rely on traditional optical flow estimation methods to pre-compute motion information for…

计算机视觉与模式识别 · 计算机科学 2018-10-31 Yi Zhu , Zhenzhong Lan , Shawn Newsam , Alexander G. Hauptmann

Human activity and gesture recognition is an important component of rapidly growing domain of ambient intelligence, in particular in assisting living and smart homes. In this paper, we propose to combine the power of two deep learning…

计算机视觉与模式识别 · 计算机科学 2020-07-24 Kenneth Lai , Svetlana N. Yanushkevich

Pattern recognition based on RGB-Event data is a newly arising research topic and previous works usually learn their features using CNN or Transformer. As we know, CNN captures the local features well and the cascaded self-attention…

计算机视觉与模式识别 · 计算机科学 2025-04-21 Xiao Wang , Yao Rong , Shiao Wang , Yuan Chen , Zhe Wu , Bo Jiang , Yonghong Tian , Jin Tang

As a fundamental aspect of human life, two-person interactions contain meaningful information about people's activities, relationships, and social settings. Human action recognition serves as the foundation for many smart applications, with…

计算机视觉与模式识别 · 计算机科学 2024-05-15 Yao Liu , Gangfeng Cui , Jiahui Luo , Xiaojun Chang , Lina Yao

Graph convolutional networks (GCNs) have emerged as dominant methods for skeleton-based action recognition. However, they still suffer from two problems, namely, neighborhood constraints and entangled spatiotemporal feature representations.…

计算机视觉与模式识别 · 计算机科学 2022-01-11 Ruwen Bai , Min Li , Bo Meng , Fengfa Li , Miao Jiang , Junxing Ren , Degang Sun

Action recognition with 3D skeleton sequences is becoming popular due to its speed and robustness. The recently proposed Convolutional Neural Networks (CNN) based methods have shown good performance in learning spatio-temporal…

计算机视觉与模式识别 · 计算机科学 2018-04-12 Zhengyuan Yang , Yuncheng Li , Jianchao Yang , Jiebo Luo

The dominant paradigm for video-based action segmentation is composed of two steps: first, for each frame, compute low-level features using Dense Trajectories or a Convolutional Neural Network that encode spatiotemporal information locally,…

计算机视觉与模式识别 · 计算机科学 2016-08-31 Colin Lea , Rene Vidal , Austin Reiter , Gregory D. Hager

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

The hybrid architecture of convolution neural networks (CNN) and Transformer has been the most popular method for medical image segmentation. However, the existing networks based on the hybrid architecture suffer from two problems. First,…

图像与视频处理 · 电气工程与系统科学 2023-12-21 Rui Sun , Tao Lei , Weichuan Zhang , Yong Wan , Yong Xia , Asoke K. Nandi

Human Activity Recognition (HAR) is a field of study that focuses on identifying and classifying human activities. Skeleton-based Human Activity Recognition has received much attention in recent years, where Graph Convolutional Network…

计算机视觉与模式识别 · 计算机科学 2024-08-01 Jingyao Wang , Emmanuel Bergeret , Issam Falih

Recently, skeleton based action recognition gains more popularity due to cost-effective depth sensors coupled with real-time skeleton estimation algorithms. Traditional approaches based on handcrafted features are limited to represent the…

计算机视觉与模式识别 · 计算机科学 2017-04-13 Hongsong Wang , Liang Wang

Graph Convolutional Networks (GCNs), which model skeleton data as graphs, have obtained remarkable performance for skeleton-based action recognition. Particularly, the temporal dynamic of skeleton sequence conveys significant information in…

计算机视觉与模式识别 · 计算机科学 2020-12-17 Jianan Li , Xuemei Xie , Zhifu Zhao , Yuhan Cao , Qingzhe Pan , Guangming Shi

Currently, convolutional neural networks (CNN) (e.g., U-Net) have become the de facto standard and attained immense success in medical image segmentation. However, as a downside, CNN based methods are a double-edged sword as they fail to…

图像与视频处理 · 电气工程与系统科学 2022-04-01 Reza Azad , Moein Heidari , Yuli Wu , Dorit Merhof

Skeleton-based Human Activity Recognition has achieved great interest in recent years as skeleton data has demonstrated being robust to illumination changes, body scales, dynamic camera views, and complex background. In particular,…

计算机视觉与模式识别 · 计算机科学 2021-06-23 Chiara Plizzari , Marco Cannici , Matteo Matteucci

The Transformer architecture has gained significant popularity in computer vision tasks due to its capacity to generalize and capture long-range dependencies. This characteristic makes it well-suited for generating spatiotemporal tokens…

计算机视觉与模式识别 · 计算机科学 2023-10-24 Rachid Reda Dokkar , Faten Chaieb , Hassen Drira , Arezki Aberkane

This paper proposes a novel study on personality recognition using video data from different scenarios. Our goal is to jointly model nonverbal behavioral cues with contextual information for a robust, multi-scenario, personality recognition…

计算机视觉与模式识别 · 计算机科学 2019-10-16 Dario Dotti , Mirela Popa , Stylianos Asteriadis

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

We propose a two-stage convolutional neural network (CNN) architecture for robust recognition of hand gestures, called HGR-Net, where the first stage performs accurate semantic segmentation to determine hand regions, and the second stage…

计算机视觉与模式识别 · 计算机科学 2020-01-01 Amirhossein Dadashzadeh , Alireza Tavakoli Targhi , Maryam Tahmasbi , Majid Mirmehdi