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- W2386023462 abstract "To smooth the image and calculate the gradient of image in the process of using GAC Model in image segmentation,and to construct the signed distance function in level set method.By discussing the calculation process of Gaussian function and difference approximation,a new pre-process method of GAC based on Sobel operator was presented.Then by expending of circle,the paper presented a method to calculate the signed distance.The operator proposed could smooth the image and calculate the gradient simultaneously and the method could calculate the distance quickly.The results of experimental comparison show that the algorithm proposed both enhanced smooth effect and reduced the time complexity in completing the GAC." @default.
- W2386023462 created "2016-06-24" @default.
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- W2386023462 date "2008-01-01" @default.
- W2386023462 modified "2023-09-25" @default.
- W2386023462 title "Fast algorithm of geodesic active contour" @default.
- W2386023462 hasPublicationYear "2008" @default.
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