Title
Tracking human-like natural motion by combining two deep recurrent neural networks with Kalman filter.
Abstract
The Kinect skeleton tracker can achieve considerable performance with human body tracking in a convenient and low-cost manner. However, the tracker often captures unnatural human poses, such as discontinuous and vibrational movement when self-occlusions occur. In this study, we propose an advanced post-processing method to improve the Kinect skeleton using a single Kinect sensor, in which a combination of probabilistic filtering techniques and supervised learning techniques is employed to correct unnatural tracking movements. Specifically, two deep recurrent neural networks are used to improve joint velocities, as well as joint positions produced by the Kinect skeleton tracker. Moreover, a classic Kalman filter further refines positions and velocities. In addition, we propose a novel measure to evaluate the naturalness of captured joint trajectories. We evaluated the proposed approach by comparing it to ground truth obtained using a commercial optical maker-based motion capture system.
Year
DOI
Venue
2018
10.1007/s11370-018-0255-z
Intelligent Service Robotics
Keywords
Field
DocType
Human skeleton tracking, Deep recurrent neural network, Kalman filter
Computer vision,Motion capture,Computer science,Naturalness,Filter (signal processing),Recurrent neural network,Kalman filter,Supervised learning,Ground truth,Artificial intelligence,Probabilistic logic
Journal
Volume
Issue
ISSN
11
4
1861-2776
Citations 
PageRank 
References 
0
0.34
12
Authors
3
Name
Order
Citations
PageRank
Jong Bok Kim100.34
Youngbin Park245.85
Il Hong Suh3780110.60