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Recently, deep learning approach has achieved promising results in various fields of computer vision. In this paper, a new framework called Hierarchical Depth Motion Maps (HDMM) + 3 Channel Deep Convolutional Neural Networks (3ConvNets) is…

Computer Vision and Pattern Recognition · Computer Science 2015-01-21 Pichao Wang , Wanqing Li , Zhimin Gao , Jing Zhang , Chang Tang , Philip Ogunbona

Convolutional Neural Networks (ConvNets) have recently shown promising performance in many computer vision tasks, especially image-based recognition. How to effectively apply ConvNets to sequence-based data is still an open problem. This…

Computer Vision and Pattern Recognition · Computer Science 2017-01-02 Pichao Wang , Wanqing Li , Chuankun Li , Yonghong Hou

This paper presents a 2D skeleton-based action segmentation method with applications in fine-grained human activity recognition. In contrast with state-of-the-art methods which directly take sequences of 3D skeleton coordinates as inputs…

Computer Vision and Pattern Recognition · Computer Science 2024-04-29 Syed Waleed Hyder , Muhammad Usama , Anas Zafar , Muhammad Naufil , Fawad Javed Fateh , Andrey Konin , M. Zeeshan Zia , Quoc-Huy Tran

This paper addresses the problem of continuous gesture recognition from sequences of depth maps using convolutional neutral networks (ConvNets). The proposed method first segments individual gestures from a depth sequence based on quantity…

Computer Vision and Pattern Recognition · Computer Science 2016-09-13 Pichao Wang , Wanqing Li , Song Liu , Yuyao Zhang , Zhimin Gao , Philip Ogunbona

Recently, Convolutional Neural Networks (ConvNets) have shown promising performances in many computer vision tasks, especially image-based recognition. How to effectively use ConvNets for video-based recognition is still an open problem. In…

Computer Vision and Pattern Recognition · Computer Science 2016-11-15 Pichao Wang , Zhaoyang Li , Yonghong Hou , Wanqing Li

The computer vision community is currently focusing on solving action recognition problems in real videos, which contain thousands of samples with many challenges. In this process, Deep Convolutional Neural Networks (D-CNNs) have played a…

Computer Vision and Pattern Recognition · Computer Science 2018-03-22 Huy-Hieu Pham , Louahdi Khoudour , Alain Crouzil , Pablo Zegers , Sergio A. Velastin

A novel deep neural network training paradigm that exploits the conjoint information in multiple heterogeneous sources is proposed. Specifically, in a RGB-D based action recognition task, it cooperatively trains a single convolutional…

Computer Vision and Pattern Recognition · Computer Science 2018-01-04 Pichao Wang , Wanqing Li , Jun Wan , Philip Ogunbona , Xinwang Liu

Existing action recognition methods mainly focus on joint and bone information in human body skeleton data due to its robustness to complex backgrounds and dynamic characteristics of the environments. In this paper, we combine body skeleton…

Computer Vision and Pattern Recognition · Computer Science 2021-06-07 Umar Asif , Deval Mehta , Stefan von Cavallar , Jianbin Tang , Stefan Harrer

This paper extends the Spatial-Temporal Graph Convolutional Network (ST-GCN) for skeleton-based action recognition by introducing two novel modules, namely, the Graph Vertex Feature Encoder (GVFE) and the Dilated Hierarchical Temporal…

Computer Vision and Pattern Recognition · Computer Science 2019-12-23 Konstantinos Papadopoulos , Enjie Ghorbel , Djamila Aouada , Björn Ottersten

This work addresses multi-class segmentation of indoor scenes with RGB-D inputs. While this area of research has gained much attention recently, most works still rely on hand-crafted features. In contrast, we apply a multiscale…

Computer Vision and Pattern Recognition · Computer Science 2013-03-15 Camille Couprie , Clément Farabet , Laurent Najman , Yann LeCun

Human actions comprise of joint motion of articulated body parts or `gestures'. Human skeleton is intuitively represented as a sparse graph with joints as nodes and natural connections between them as edges. Graph convolutional networks…

Computer Vision and Pattern Recognition · Computer Science 2018-09-14 Kalpit Thakkar , P J Narayanan

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…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Hao Xing , Darius Burschka

The aim of this work is to contribute to the development of a tactile device for visually impaired and blind persons in order to let them to understand actions of the surrounding people and to interact with them. First, based on the…

Computer Vision and Pattern Recognition · Computer Science 2022-01-14 Leyla Benhamida , Slimane Larabi

Human activity understanding with 3D/depth sensors has received increasing attention in multimedia processing and interactions. This work targets on developing a novel deep model for automatic activity recognition from RGB-D videos. We…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Keze Wang , Xiaolong Wang , Liang Lin , Meng Wang , Wangmeng Zuo

This paper presents a new method for 3D action recognition with skeleton sequences (i.e., 3D trajectories of human skeleton joints). The proposed method first transforms each skeleton sequence into three clips each consisting of several…

Computer Vision and Pattern Recognition · Computer Science 2017-11-21 Qiuhong Ke , Mohammed Bennamoun , Senjian An , Ferdous Sohel , Farid Boussaid

This paper presents a new framework for human action recognition from a 3D skeleton sequence. Previous studies do not fully utilize the temporal relationships between video segments in a human action. Some studies successfully used very…

Computer Vision and Pattern Recognition · Computer Science 2018-08-21 Thao Minh Le , Nakamasa Inoue , Koichi Shinoda

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…

Computer Vision and Pattern Recognition · Computer Science 2020-07-24 Kenneth Lai , Svetlana N. Yanushkevich

The gesture recognition using motion capture data and depth sensors has recently drawn more attention in vision recognition. Currently most systems only classify dataset with a couple of dozens different actions. Moreover, feature…

Computer Vision and Pattern Recognition · Computer Science 2014-09-02 Kyunghyun Cho , Xi Chen

Deep learning techniques are being used in skeleton based action recognition tasks and outstanding performance has been reported. Compared with RNN based methods which tend to overemphasize temporal information, CNN-based approaches can…

Computer Vision and Pattern Recognition · Computer Science 2017-05-03 Zewei Ding , Pichao Wang , Philip O. Ogunbona , Wanqing Li

We present a new deep learning approach for real-time 3D human action recognition from skeletal data and apply it to develop a vision-based intelligent surveillance system. Given a skeleton sequence, we propose to encode skeleton poses and…

Computer Vision and Pattern Recognition · Computer Science 2022-08-11 Huy Hieu Pham , Houssam Salmane , Louahdi Khoudour , Alain Crouzil , Pablo Zegers , Sergio A Velastin
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