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% GVF snake (active contour) toolbox 
% Version 1.0 17-June-1997 
% Copyright (c) 1996-1997 by Chenyang Xu and Jerry L. Prince  
% 
%  Image input/output 
%    rawread       - Read a Portable Bitmap file, or a raw file 
%    rawwrite      - Write a Portable Bitmap file, or a raw file 
%  
%  Image Display 
%    imdisp        - Display an image 
%  
%  Active Contour 
%    snakeinit     - Initialize the snake manually 
%    snakedeform   - Deform snake in the given external force field 
%    snakedeform2  - Deform snake in the given external force field with 
%                    pressure force 
%    snakedisp     - Display a snake 
%    snakeinterp   - Interpolate the snake adaptively 
%    snakeinterp1  - Interpolate the snake at a fixed resolution 
%                    (better implemented than snakeinterp) 
%  
%  Gradient Vector Flow 
%    GVF           - Compute the gradient vector flow field 
%  
%  Other 
%    dt            - Simple distance transform 
%    gaussianBlur  - Blurring an image using gaussian kernel    
%    gaussianMask  - Generate a discrete gaussian mask