[Digikam-users] Re: How to find pictures that are the same, except for rotation?

[Ignatius Reilly]

I solved this same problem easily with a very nice tool: fslint (GUI to
the CLI program fdupes)

HTH


Ben Staude thus spake on 26/06/11 20:23:
> Brute force method: write a script that makes three copies of each picture 
> that are rotated 90/180/270. Now you can use some tool to "search for 
> duplicates", or, if you're lucky and everybody in the chain used lossless 
> rotation and didn't change anything else in the file, even md5sum might work.
> 
> Could be worth a try.
> 
> Ben
> 
> Am Freitag 17 Juni 2011 schrieb M. Fioretti:
>> Greetings,
>>
>> I'm a happy user of digiKam 1.9.0. I have recently added to my
>> collection a LOT of picture folders I got from relatives and
>> friends. I have realized that there are a lot of "duplicates"
>> scattered around those folders, that I would like to remove.
>>
>> The problem is that they are not really identical files, but rotated
>> versions of the same original picture, without any other change or
>> post processing, and sometimes they don't even have the same names...
>>
>> For example, I may have 3 files called
>>
>> P1919005.JPG
>> P1919005bis.JPG
>> marco.jpg
>>
>> they're all jpg files generated by some digital camera that included
>> standard exif tags, and only when you actually **look** at them and at
>> their EXIF tags you realize that you only need to keep one of them,
>> because one (but which one???) is the original as produced by the
>> camera and the others are copies that were manually renamed/rotated
>> later
>>
>> So my question is, can digiKam help me to:
>>
>> - find all pictures that are rotations of the same original
>> - (ideally) remove all copies and keep only the original?
>>
>> if not digikam, what would be another (Linux compatible) way to solve
>> this problem? I have no problem to write shell scripts and/or use
>> exiftools if there's no other way, but in this specific case I'd
>> really appreciate some pointer in the right direction.
>>
>> 	TIA,
>> 	Marco
> 
> _______________________________________________
> Digikam-users mailing list
> Digikam-users at kde.org
> https://mail.kde.org/mailman/listinfo/digikam-users
>