Watch this Author's files
May this file is just an apply of sift. the true sift alg may the siftwin32.exe with no source can learn.
Though the code is uncompleted, I understood the useage of kalman filter by this code. this is my description in chinese:
I have the same problem. The function extractball has missed!
and this file can't run independently. Need complement!
thanks for you sharing, I'll study and discuss with all of you.