Control: clone -1 -2
Control: retitle -1 diffoscope: add image metadata comparison
Control: retitle -2 diffoscope visual compare images in HTML output

On Mon, Dec 26, 2016 at 06:13:09PM +0200, Emanuel Bronshtein wrote:
> Dear Maintainer,

Hi Emanuel :)

splitting this bug so we can track it properly.

> 1. compare image metadata (EXIF / XMP / size / etc..) for various images 
> formats, can be done with following tools:
>       exiftool - http://www.sno.phy.queensu.ca/~phil/exiftool/ - 
> https://packages.debian.org/sid/libimage-exiftool-perl
>       exiv2 - http://www.exiv2.org/ - 
> https://packages.debian.org/unstable/exiv2
>       ImageMagick identify - https://www.imagemagick.org/script/identify.php 
> - https://packages.debian.org/sid/imagemagick (by using -verbose option)

Tracked in -1.

> 2. visual compare images in HTML output
>       images can be shown using data URI: 
> https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/Data_URIs
>       The below tools can be used to detect difference in images:
>               Resemble.js - https://github.com/Huddle/Resemble.js/
>               PerceptualDiff - https://packages.debian.org/sid/perceptualdiff
>               ImageMagick - https://www.imagemagick.org/Usage/compare/ - 
> https://packages.debian.org/sid/imagemagick
>               image-diff - https://github.com/uber/image-diff

Tracked in -2.

-- 
regards,
                        Mattia Rizzolo

GPG Key: 66AE 2B4A FCCF 3F52 DA18  4D18 4B04 3FCD B944 4540      .''`.
more about me:  https://mapreri.org                             : :'  :
Launchpad user: https://launchpad.net/~mapreri                  `. `'`
Debian QA page: https://qa.debian.org/developer.php?login=mattia  `-

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