Title
Development Of A Novel Motion Capture And Gait Analysis System For Rat Locomotion
Abstract
This paper proposes a marker-based motion capture system for rat motion detection and gait analysis. Motion capture in small animals such as rodents is more challenging than in humans because of their small bodies and rapid motion. Existing algorithms have poor applicability in rat motion capture in environments outside the studio. Moreover, gait analysis targeting on the rat is not performed by existing motion capture software. Our method consists of four procedures. First, Region of Interest (ROI) is extracted from the background using the inter-frame difference method and a depth filter. Second, a double-threshold marker detection method is used to detect markers in ROI and a marker shape filter is used to classify the markers. Third, a marker corrector is designed to modify missing and incorrect markers. Finally, a deep learning network is used to analyse the gait trajectory to classify rat as healthy, injured, or rehabilitated. The experimental result shows that marker recognition accuracy is 99.33%, higher than that of most existing software. The validation accuracy of the network is 100% and the loss is 0.0001. This method is conductive to the development of motion capture systems for small animals and research into the gait kinematics of rodents.
Year
DOI
Venue
2021
10.1080/01691864.2021.1957013
ADVANCED ROBOTICS
Keywords
DocType
Volume
Rodents kinematics, motion capture, gait analysis, image processing, artificial neural networks
Journal
35
Issue
ISSN
Citations 
16
0169-1864
0
PageRank 
References 
Authors
0.34
0
6
Name
Order
Citations
PageRank
Chuankai Dai100.34
Xiaodong Lyu200.34
Fei Meng312.38
Jiping He411017.46
Qiang Huang526691.95
Toshio Fukuda62723818.58