Legacy ImageMagick Discussions Archive

Tried on screenshot, it's ok. Is white so hardly abuses normalization of an image? I can handle amount of white and use -subimage-search

Thx for reply, here is my code. It's not ok even without blur.


# convert wizard: wizard.png
# convert wizard.png -crop 150x50+130+80 +repage subwizard.png
# ./normcrosscorr -s subwizard.png wizard.png corr.png | tail -n 2

Echo:

Match Coords: (168,326) And Score In Range 0 to 1: (0.0943717 ...

This issue applies to normcrosscorr script at http://www.fmwconcepts.com/imagemagick/normcrosscorr/

Firstly, there should be

std=`convert $tmpS -format "%[standard-deviation]" info:`
instead of

std=`convert $tmpS -format "%[standard_deviation]" info:`

Secondly, i don't understand why if i ...