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[Octave-bug-tracker] [bug #46390] image package - im2bw interprets thres


From: Hartmut
Subject: [Octave-bug-tracker] [bug #46390] image package - im2bw interprets threshold slightly different than Matlab
Date: Sun, 08 Nov 2015 21:23:25 +0000
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:42.0) Gecko/20100101 Firefox/42.0

Follow-up Comment #4, bug #46390 (project octave):

In principle yes, but I still see some problems with it:

* (intmax(cls) - imin) does NOT work. Give it a try with cls='int16' on the
command line. Those numbers need to be transformed for example to class double
before a big values like 65535 can be hold within a variable of this type at
all.

* The resulting class of thresh should NOT be double, as it is in your patch
right now. But thresh needs to have the class of the input image (as it was in
the original code).

Sorry, I dont' have enough time to further think about it now. I will try to
come back to this at the end of the week.

    _______________________________________________________

Reply to this item at:

  <http://savannah.gnu.org/bugs/?46390>

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