A new symbiotic genetic algorithm (SGA)-based active contour model (Snake) is proposed to track the B-spline contour of obstacles. It exploits the local control properties of the B-spline to decompose the contour into subcontours and optimizes each subcontour in separate genetic algorithms (GA). Unlike GA-based Snake, a SGASnake can track the obstacles outline more robustly. Application-specific inter-population genetic operators are introduced to reinforce the symbiotic relationship via migration of genetic material. The use of symbiosis dramatically reduces the combinatorics of the search space, when compared to GA. Results of tracking objects in real road scenarios demonstrate its robustness to noise and stability of convergence when compared to its GA counterpart.


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    Title :

    Co-evolutionary-based active contour models in tracking of moving obstacles


    Contributors:
    Ooi, C. (author) / Liatsis, P. (author)


    Publication date :

    2001-01-01


    Size :

    516217 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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