Optical Flow in Processing
The standard Lucas-Kanade method as described in the wiki page entry on it
. One key thing not mentioned there (at least until I edit the page) is to use the Sobel operator to get partial derivatives in the x and y direction.
link to applet
Glancing at the OpenCV implementation I notice there is a check for certain kinds of matrices that aren't invertible by the primary method, I may need to be doing that for more robust operation.
Post a Comment
Post Comments (Atom)