International Journal of Computer Vision
Computer Vision and Image Understanding
A 3-step algorithm using region-based active contours for video objects detection
EURASIP Journal on Applied Signal Processing
Tracking of objects in video scenes with time varying content
EURASIP Journal on Applied Signal Processing
Computer Vision and Image Understanding
A novel level set model based on local information
ICIC'10 Proceedings of the 6th international conference on Advanced intelligent computing theories and applications: intelligent computing
An improved real-time contour tracking algorithm using fast level set method
PSIVT'06 Proceedings of the First Pacific Rim conference on Advances in Image and Video Technology
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In this paper, we propose a new method for detecting and tracking moving objects using active contours. The first contribution of our work is to propose a region-based approach using active contours to segment moving objects. A criterion including constraints on the defined domains is introduced and embedded in a dynamical scheme. Discontinuities between regions are explicitly taken into account by performing the derivative of the criterion according to the distribution theory. A PDE-driven active contour is obtained and implemented with the level set method. The final segmentation provides the partition into regions that minimize the criterion and thus moving objects are detected. The second contribution of our work is to propose local motion estimation based on the level sets resulting from the segmentation process. This local motion estimation is well adapted to track deformable objects. Finally, the method is evaluated on real sequences