Name
Title | ||
|---|---|---|
3D Pose tracking of walker users' lower limb with a structured-light camera on a moving platform |
Abstract | ||
|---|---|---|
Tracking and understanding human gait is an important step towards improving elderly mobility and safety. Our research team is developing a vision-based tracking system that estimates the 3D pose of a wheeled walker user's lower limbs with a depth sensor, Kinect, mounted on the moving walker. Our tracker estimates 3D poses from depth images of the lower limbs in the coronal plane in a dynamic, uncontrolled environment. We employ a probabilistic approach based on particle filtering, with a measurement model that works directly in the 3D space and another measurement model that works in the projected image space. Empirical results show that combining both measurements, assuming independence between them, yields tracking results that are better than with either one alone. Experiments are conducted to evaluate the performance of the tracking system with different users. We demonstrate that the tracker is robust against unfavorable conditions such as partial occlusion, missing observations, and deformable tracking target. Also, our tracker does not require user intervention or manual initialization commonly required in most trackers. |
Year | DOI | Venue |
|---|---|---|
2011 | 10.1109/CVPRW.2011.5981732 | CVPR 2011 WORKSHOPS |
Keywords | Field | DocType |
3D pose tracking,structured-light camera,elderly mobility,elderly safety,vision-based tracking system,3D pose estimation,depth sensor,Kinect,probabilistic approach,particle filtering,measurement model,partial occlusion,missing observations,deformable tracking target | BitTorrent tracker,Computer vision,Structured light,Computer science,Particle filter,Tracking system,3D pose estimation,Pose,Video tracking,Artificial intelligence,Gait (human) | Conference |
Volume | Issue | ISSN |
2011 | 1 | 2160-7508 |
ISBN | Citations | PageRank |
978-1-4577-0529-8 | 15 | 1.46 |
References | Authors | |
11 | 6 | |
Name | Order | Citations | PageRank |
|---|---|---|---|
| richard zhiling hu | 1 | 15 | 1.46 |
| adam hartfiel | 2 | 15 | 1.46 |
| James Yungjen Tung | 3 | 22 | 4.59 |
| Adel H. Fakih | 4 | 23 | 5.75 |
| Jesse Hoey | 5 | 1074 | 78.90 |
| Pascal Poupart | 6 | 1352 | 105.24 |