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Angular map-driven snakes with application to object shape description in color images
2001
IEEE Transactions on Image Processing
We propose a method for shape description of objects in color images. Our method employs angular maps in order to identify significant changes of color within the image, which are then used to drive snake models. To obtain an angular map, the angle values of the vectors corresponding to color image pixels are first computed with respect to a reference vector, and organized in a two-dimensional matrix. To identify significant color changes within the original image, the edges of the angular map
doi:10.1109/83.974570
pmid:18255525
fatcat:nkr36va6svgzjc7b4g3z32hrdm