Computer Science – Computer Vision and Pattern Recognition
Scientific paper
2012-01-07
Computer Science
Computer Vision and Pattern Recognition
This Paper has been submitted to icbbe2012, Shanghai, China in Dec. 2011
Scientific paper
The image force in active contours plays a key role for shape recovery in medical image analysis. The image force constructed from the heat diffusion model can not indicate segment the image accurately through it exhibits a uniform distribution of force field around the object. The features of the image force based on electrostatic field model are opposite. Firstly, this study introduces a fusion scheme of these two image forces, which capable of extracting the object boundary with high precision and fast speed. Till now, there is no satisfied analysis of the relationship between Snakes and Geometric Active Contour. The second contribution of this study indicates that the GAC model can be deduced directly from Snakes models. It proves that the each term in GAC and Snakes is correspondent and has the same function. These two models are only expressed using different mathematics.
Bao Shanglian
Lu Hongyu
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