Method in jmagick

[santhoshzen]

The below command is used to find out the image type.

convert screenshot-gimp-windowsvista.png -statistic standard-deviation 3x3 -grayscale Brightness -fill White +opaque Black -negate -format %[fx:mean] info:

Shall we get the same value using jmagick?

Reference: http://www.imagemagick.org/discourse-server/viewtopic.php?f=1&t=30671&p=139075#p139075

[nordfalk]

Thanks for your proposal. Theres currently no active maintainer
You are very welcome to add this funktion yourself and make a pull request, and get someone to review your pullrequest.