Title
Towards Probabilistic Shape Vision in RoboCup: A Practical Approach
Abstract
This paper presents a robust object tracking method using a sparse shape-based object model. Our approach consists of three ingredients namely shapes, a motion model and a sparse (non-binary) subsampling of colours in background and foreground parts based on the shape assumption. The tracking itself is inspired by the idea of having a short-term and a long-term memory. A lost object is "missed" by the long-term memory when it is no longer recognized by the short-term memory. Moreover, the long-term memory allows to re-detect vanished objects and using their new position as a new initial position for object tracking. The short-term memory is implemented with a new Monte Carlo variant which provides a heuristic to cope with the loss-of-diversity problem. It enables simultaneous tracking of multiple (visually) identical objects. The long-term memory is implemented with a Bayesian Multiple Hypothesis filter. We demonstrate the robustness of our approach with respect to object occlusions and non-Gaussian/non-linear movements of the tracked object. We also show that tracking can be significantly improved by using compensating ego-motion. Our approach is very scalable since one can tune the parameters for a trade-off between precision and computational time.
Year
DOI
Venue
2006
10.1007/978-3-540-74024-7_15
RoboCup 2009
Keywords
Field
DocType
towards probabilistic shape vision,tracked object,object tracking,long-term memory,short-term memory,practical approach,new monte carlo variant,sparse shape-based object model,identical object,simultaneous tracking,lost object,robust object tracking method,long term memory,short term memory,monte carlo,object model
Computer vision,Monte Carlo method,Heuristic,Computer science,Simulation,Particle filter,Object model,Robustness (computer science),Video tracking,Artificial intelligence,Probabilistic logic,Scalability
Conference
Volume
ISSN
Citations 
4434
0302-9743
3
PageRank 
References 
Authors
0.44
10
4
Name
Order
Citations
PageRank
Sven Olufs1214.67
Florian Adolf230.44
Ronny Hartanto3546.12
Paul-gerhard Plöger47813.82