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Download revised Oct2013 Source (.c) and mex code for windows.
Unzip the download into handy directory:
- siv2d.m (help file)
- siv2d.mexw64 (actually, it is 32 bit - I'm still working on making it fully 64 bit Matlab compliant. Crumbs, this code goes back over 20 years. You might want to look at OpenCV MSER code which appears to implicitly implement the 'o' sieve (siv2d does 'o','c','M','N','m'.