Legacy ImageMagick Discussions Archive

Hi,

"-metric AE" gives the number of pixels that have changed.
how to get image difference percentage in pixels in ubuntu or fedora environment using -metric AE option.

Regards,
Thippeswamy H

Hi

ThanX for all the help Dear!

Regards,
Thippeswamy H

Hi

But as i gone through convert utility, as i previously mentioned

convert image1 image2 -compose Difference -composite -colorspace rgb -format '%[fx:mean*100]' info:

was able to work fine images with different sizes, on what basis value as been determined,

Regards,
Thippeswamy H

Hi

Thanks for the help!

An error occured when comparing two images with different sizes. May i know how to compare images with different sizes.

Ex :-
compare white.JPG test1.jpg -metric AE -verbose NULL:
compare: ImageWidthsOrHeightsDiffer `white.JPG' @ error/compare.c/CompareImageCommand/962 ...

Hi,

On what basis RMSE value as been determined, I mean based on PIXELS, RGB or SRGB values.

Regards,
Thippeswamy H

Thanks for the help..
Please suggest the same for pixel difference in percentage. using ImageMagick version 6.7.7-10.

Regards,
Thippeswamy H

Hi,
Im done with the cross compilation part.

But i need to percentage difference between two images based on RGB and SRGB colorspace, i need some information how the images are compared based on RGB and sRGB colorspace.

command used as following
convert image1 image2 -compose Difference ...

Hi,

I'm a Newbie to ImageMagick, Im trying to cross compile ImageMagick to ARM based freescale processors.
I'm getting an error while cross compiling.

MagickCore/.libs/libMagickCore-7.Q16HDRI.so: undefined reference to `gzseek64'
/opt/freescale/usr/local/gcc-4.1.2-glibc-2.5-nptl-3/arm-none-linux ...