[Digikam-devel] [Bug 136770] hotpixel doesn't interpret black image correctly with stuck pixel
ugarro at gmail.com
Sat Dec 6 20:18:03 GMT 2008
--- Comment #4 from Unai Garro <ugarro gmail com> 2008-12-06 21:18:02 ---
Thanks for forwarding, Gilles, I had missed this report indeed.
Stuck pixels and hot pixels are treated equally, so it should still work. Are
you sure you used the same image size and format for the black image as for the
photograph image? Can you attach the black image and a sample photo here, so
that we can confirm the bug?
If sizes match, might be that the tool sees more hot pixels than your eye. The
algorithm for searching hot pixels is usually much more sensitive than the eye
locating hot pixels, so it may show you more hot pixels than your eye can see.
Most of the times, there's more than one pixel surrounding that are "hot".
Maybe the sensitivity of the algo can be made adjustable to suit the user's
And well, I agree obviously that, manually selecting HP could be an interesting
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