| Paper: | WP-P3.6 |
| Session: | Video Object Segmentation and Tracking III / Video Shot/Scene Segmentation |
| Time: | Wednesday, September 19, 14:30 - 17:10 |
| Presentation: |
Poster
|
| Title: |
OUTER-LAYER BASED TRACKING USING ENTROPY AS A SIMILARITY MEASURE |
| Authors: |
Vincent Garcia; I3S Laboratory | | |
| | Sylvain Boltz; I3S Laboratory | | |
| | Eric Debreuve; I3S Laboratory | | |
| | Michel Barlaud; I3S Laboratory | | |
| Abstract: |
Tracking can be achieved using region active contours based on homogeneity models (intensity, motion...). However the model complexity necessary to achieve a given accuracy might be prohibitive. Methods based on salient points may not extract enough of these for reliable motion estimation if the object is too homogeneous. Here we propose to compute the contour deformation based on its neighborhood. Motion estimation is performed at contour samples using a block matching approach. First, partial background masking is applied. Since outliers may then bias the motion estimation, a robust, nonparametric estimation using entropy as a similarity measure between blocks is proposed. Tracking results on synthetic and natural sequences are presented. |
