this is being worked on:
https://discuss.pixls.us/t/focus-peaking-in-darktable/15178
--
regards
Bernhard
https://www.bilddateien.de
[email protected] schrieb am 28.02.20 um 16:15:
Hi, Axel,
just to consider: "unsharp" in the meaning of "no high spatial
frequencies at all" or also in the meaning "focus not exactly on the
plane it should be"?
The first condition could be met be using some spectral analysis, but
for the second one you'd need to teach an AI what's interesting for
you in those pictures (which is probably more work than to sort out
the unfit pictures manually til the end of your days)..
But also the first approach would be tricky to use (distinguish noise
from contours, ...). That said I do not know of an implementation of
such techniques in DT, but would propose it along those lines.
BTW: I am used to eliminate technically imperfect images on the
camera. For that works well enough.
Sincerely
Uwe.
Quoting "Dr. A. Krebs" <[email protected]>:
Hi:
often I take pics under available light/weak light conditions.
Within a picture series, I often catch single sharp pics, but I need
to sort out unsharp pictures. If possible, automatically!!
My question:
- does anybody knows a methodology to cope with this?
- does darktable provide a way to find unsharp pictures, in ideal
automatically??
I know, that there are algorithms to cope this problem.
Hope for any help-
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