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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:
http://www.aiseminar.cn/bbs/viewthread.php?tid=428&page=1&fromuid=3#pid750
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.
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