Re: [Commons-l] GSoC 2012 : Automatically tagging photos in Wikimedia Commons

[Tobias Oelgarte]

Hello,

It sounds nice in theory. But knowing the current limitations of object 
recognition and our category/tagging system on Commons, I don't see how 
it could really help to improve the project. For example: We don't tag 
every object in the background since it is much better for the user to 
find images inside the categories that have this object as the main 
motive. In case of something like a ball it would need to correctly 
distinguish between a football, a globe, marble, melon, etc. If it 
guesses wrong and would add the tag it would accidentally increase the 
efforts for our maintainers.


Maybe you want to elaborate in more detail what possible use cases you 
have in mind, where it would be a real help for our contributers. I like 
the idea, but at the same time I see a lot of difficulties to transform 
it in a realistic improvement for the project.


~nya

Am 19.03.2012 17:55, schrieb Vivek kumar bagaria:

Hello all,

I am Vivek Kumar Bagaria 
http://www.mediawiki.org/wiki/User:Bagariavivek, 2nd year student 
from IIT Madras. I am interested in participating in
*GSoC 2012* with mediawiki. I am *working with Mediawiki from past two 
months* and have submitted various patches.


I was very much interested in the idea of -
Automatically tagging photos in Wikimedia Commons using computerised 
object recognition, which was suggested
by Maarteen Dammers in the GSoC 2012 Page 
http://www.mediawiki.org/wiki/Summer_of_Code_2012


I have *experience* with OpenCv. I had done a project last summer 
which involved detection of a ball. This is the youtube link - Ball 
Following Robot http://www.youtube.com/watch?v=YcXBcUvCC1w.
I would like to know if anyone is willing to *mentor* this idea. I 
would *love* to work on this idea.


Thank you,
Vivek Kumar Bagaria
IIT Madras



--
With regards,
Vivek Kumar Bagaria
9176079646 tel:9176079646


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Re: [Commons-l] GSoC 2012 : Automatically tagging photos in Wikimedia Commons

[Maarten Dammers]

Hi Tobias,

Op 20-3-2012 13:34, Tobias Oelgarte schreef:

Hello,

It sounds nice in theory. But knowing the current limitations of 
object recognition and our category/tagging system on Commons, I don't 
see how it could really help to improve the project. For example: We 
don't tag every object in the background since it is much better for 
the user to find images inside the categories that have this object as 
the main motive. In case of something like a ball it would need to 
correctly distinguish between a football, a globe, marble, melon, etc. 
If it guesses wrong and would add the tag it would accidentally 
increase the efforts for our maintainers.


Maybe you want to elaborate in more detail what possible use cases you 
have in mind, where it would be a real help for our contributers. I 
like the idea, but at the same time I see a lot of difficulties to 
transform it in a realistic improvement for the project.
Did you read 
https://commons.wikimedia.org/wiki/User:Multichill/Using_OpenCV_to_categorize_files 
? It contains some possible use cases.


Maarten
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