Space-time representation of people based on 3D skeletal data: A review

F Han, B Reily, W Hoff, H Zhang - Computer Vision and Image …, 2017 - Elsevier
Spatiotemporal human representation based on 3D visual perception data is a rapidly
growing research area. Representations can be broadly categorized into two groups …

Mining actionlet ensemble for action recognition with depth cameras

J Wang, Z Liu, Y Wu, J Yuan - 2012 IEEE conference on …, 2012 - ieeexplore.ieee.org
Human action recognition is an important yet challenging task. The recently developed
commodity depth sensors open up new possibilities of dealing with this problem but also …

Toward human activity recognition: a survey

G Saleem, UI Bajwa, RH Raza - Neural Computing and Applications, 2023 - Springer
Human activity recognition (HAR) is a complex and multifaceted problem. The research
community has reported numerous approaches to perform HAR. Along with HAR …

Hon4d: Histogram of oriented 4d normals for activity recognition from depth sequences

O Oreifej, Z Liu - Proceedings of the IEEE conference on …, 2013 - openaccess.thecvf.com
We present a new descriptor for activity recognition from videos acquired by a depth sensor.
Previous descriptors mostly compute shape and motion features independently; thus, they …

[PDF][PDF] Human action recognition using a temporal hierarchy of covariance descriptors on 3d joint locations

ME Hussein, M Torki, MA Gowayyed… - … -third international joint …, 2013 - researchgate.net
Human action recognition from videos is a challenging machine vision task with multiple
important application domains, such as humanrobot/machine interaction, interactive …

Learning actionlet ensemble for 3D human action recognition

J Wang, Z Liu, Y Wu, J Yuan - IEEE transactions on pattern …, 2013 - ieeexplore.ieee.org
Human action recognition is an important yet challenging task. Human actions usually
involve human-object interactions, highly articulated motions, high intra-class variations, and …

Effective 3d action recognition using eigenjoints

X Yang, YL Tian - Journal of Visual Communication and Image …, 2014 - Elsevier
In this paper, we propose an effective method to recognize human actions using 3D skeleton
joints recovered from 3D depth data of RGBD cameras. We design a new action feature …

Joint angles similarities and HOG2 for action recognition

E Ohn-Bar, M Trivedi - Proceedings of the IEEE conference on …, 2013 - cv-foundation.org
We propose a set of features derived from skeleton tracking of the human body and depth
maps for the purpose of action recognition. The descriptors proposed are easy to implement …

A survey on human motion analysis from depth data

M Ye, Q Zhang, L Wang, J Zhu, R Yang… - Time-of-flight and depth …, 2013 - Springer
Human pose estimation has been actively studied for decades. While traditional approaches
rely on 2d data like images or videos, the development of Time-of-Flight cameras and other …

Stop: Space-time occupancy patterns for 3d action recognition from depth map sequences

AW Vieira, ER Nascimento, GL Oliveira, Z Liu… - Progress in Pattern …, 2012 - Springer
Abstract This paper presents Space-Time Occupancy Patterns (STOP), a new visual
representation for 3D action recognition from sequences of depth maps. In this new …