Wednesday, February 3, 2010

Boundary Approximation

I have been playing with snakes( aka active contours ) for a quite long time.
Basic snake is not able to detect boundary correctly. But it is very fast.

I tried to extend the gradient vector field of the image using Laplace equation. it works. But it takes a few seconds to generate the vector field.. :( , now i am thinking about using distance transform to generate the vector field.

See the video below to see snake in action.

video

3 comments:

manoj kp said...

cool

Sarath said...

That's cool KD. In the downside there's something fishy. please check that tool. This reminds of the selection tools of Photoshop

Anonymous said...

yeah , although it looks like photoshop select tool , it is different.. good observation!