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[Octave-bug-tracker] [bug #63060] imread returns logical data for 8-bit
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From: |
Rik |
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Subject: |
[Octave-bug-tracker] [bug #63060] imread returns logical data for 8-bit TrueColor PNG image |
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Date: |
Wed, 5 Oct 2022 15:25:12 -0400 (EDT) |
Follow-up Comment #5, bug #63060 (project octave):
Interestingly, imfinfo identifies the file as a greyscale file with bit depth
of 1.
imfinfo white_background_3.png
ans =
scalar structure containing the fields:
Filename = /home/rik/wip/Projects_Mine/octave-dev/white_background_3.png
FileModDate = 5-Oct-2022 12:18:19
FileSize = 4891
Format = PNG
FormatVersion =
Width = 65
Height = 65
BitDepth = 1
ColorType = grayscale
It is sufficient to change even one pixel to a value which is not black or
white for the detection algorithm to correctly identify the PNG file as 8-bit
TrueColor.
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