No-no, images are grayscale (actually, the sample image I posted is 1 bit per pixel, but real application deals with 8 bpp grayscale images). Number of "things" or "objects" will be small enough for "short" integer to count them.

In reply to Re^8: Why this code is so slow if run in thread? by vr
in thread Why this code is so slow if run in thread? by vr

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