From: "RubyTalk@..." <rubytalk@...>
Date: 2012-03-17T03:33:25+09:00
Subject: Re: Algorithm to compare two images

Sorry. I used the Average Hash algorithm on that page.

On Fri, Mar 16, 2012 at 11:31 AM, RubyTalk@gmail.com <rubytalk@gmail.com> wrote:
> I used
>
> http://www.hackerfactor.com/blog/index.php?/archives/432-Looks-Like-It.html
>
> for comparing mugshots. Its tweak-able an worked well enough. I did
> this in jruby and python. I found I had to write my own shrink method
> because resizing produces different results even with the same
> algorithms.
>
> Becker
>
> On Fri, Mar 16, 2012 at 5:55 AM, Jan E. <jan.e@online.de> wrote:
>> Hi,
>>
>> Well, it certainly depens on that you mean by "comparing". Maybe this is
>> helpful:
>>
>> http://rosettacode.org/wiki/Percentage_difference_between_images#Ruby
>>
>> --
>> Posted via http://www.ruby-forum.com/.
>>
>