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How to identify a grayscale image (with threshold)?

https://imagemagick.com/discourse-server/viewtopic.php?t=14807

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Re: How to identify a grayscale image (with threshold)?

Posted: 2017-08-09T08:26:54-07:00
by divptl
is it possible to do the same thing using border of the picture say 10% of the image would be border and use that to check for % of color.

Re: How to identify a grayscale image (with threshold)?

Posted: 2017-08-09T09:34:26-07:00
by fmw42
crop 10% from each border and check that cropped image with the saturation test described earlier. See http://www.imagemagick.org/Usage/crop/#crop_gravity

Re: How to identify a grayscale image (with threshold)?

Posted: 2017-08-09T11:32:35-07:00
by divptl
will keep in mind. sorry i am new to posting.
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