Re: feature request: get available image comparison metrics

On Mon, Jul 1, 2013 at 10:06 AM, Bob Friesenhahn
<[email protected]> wrote:
> On Sun, 30 Jun 2013, Steve Ward wrote:
>
>> I wish there was a way to programatically get the image comparison
>> metrics.
>>
>> Example:
>>
>> $ compare -list metric
>
>
> Please post your feature request to the SourceForge GraphicsMagick feature
> request tracker so it won't be forgotten.
>
> ImageMagick is easily able to do this since it uses centralized parsing of
> all string enumeration arguments using a single function. Naturally, this
> resulted in changes to the C API.
>
> GraphicsMagick does use centralized parsing but there is a pair of functions
> for each enumeration type.  There is also a -list option, but it is not
> currently used for enumerations.  With a bit of work, GraphicsMagick could
> emulate ImageMagick in this regard.
>
> In the mean time, here is an automated way to see the set of options
> supported by GraphicsMagick:
>
> % gm compare -help | grep metric
>   -metric              comparison metric (MAE, MSE, PAE, PSNR, RMSE)
>
> Bob
> --
> Bob Friesenhahn
> [email protected], http://www.simplesystems.org/users/bfriesen/
> GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/


I created <https://sourceforge.net/p/graphicsmagick/feature-requests/33/>.

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