Shape-Regulated Particle Filtering for Tracking Non-Rigid Objects

Jie Shao, Rama Chellappa, Fatih Porikli
2006 2006 International Conference on Image Processing  
This paper presents an active contour based algorithm for tracking non-rigid objects in heavily cluttered scenes. We decompose the non-rigid contour tracking problem into three subproblems: 2D motion estimation, deformation detection, and shape regulation. First, we employ a particle filter to estimate the affine transform parameters between successive frames. Second, by using a dynamic object model, we generate a probabilistic map of deformation to reshape its contour. Finally, we project the
more » ... pdated model onto a trained shape subspace to constrain deformations to be within possible object appearances. Our experiments show that the proposed algorithm significantly improves the performance of the tracker.
doi:10.1109/icip.2006.312993 dblp:conf/icip/ShaoCP06 fatcat:xpqqi5te4rc3rh23fcdctagiv4