opencv - apply the edge detection in an image segmentation -


I have two questions about snake detection. The first question is, OpenCV contains a function cvSnakeImage (src, points,. ......), what does the point parameter mean?

The second question is: I want to implement it, which part I have already created, how can I do it?

My code is for this edge recognition: 

  cvcanny (img_bw, img_canny), frozen, sesame * 50, 3); CvFindContours (img_canny, contour, and profile, size (cvcintor), cvuttrt, cv_chain_apppxximple);  
 
 
 Points parameter is an indicator for snake point array  
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