On 25.08.2010 18:49, Adam Dingle wrote:
> It would also be nice to implement at least one enhancement related to 
> photo searching/organization (search by name, Ctrl+click to search 
> multiple tags or hierarchical tags).  No promises, but we'll try to keep 
> these near the top of our priority list as well since there's clearly a 
> lot of interest in these features.

In that vein, check this out: http://groups.csail.mit.edu/vision/TinyImages/

It has been developed for categorization and relies on a massive
database to assign labels to images automatically. However, the basic
method is fairly simple and can probably be used without the database:
All photos are scaled down to 32x32 and then a locality sensitive
hashing function is computed. This hash, in contrast to most common
hashes, keeps similarity. Therefore, it can be used to search for images
which are very similar to an input image.

This could be used to implement a "show me similar images to this one"
function which does not rely on color histograms.

I've been meaning to implement it myself, but won't get around to it
until at least October, so if someones wants to give it a shot in the
meantime, its not that difficult.

cheers,

> cheers
> adam
> 
> On 08/25/2010 07:17 AM, Ingo Lütkebohle wrote:
>> On 25.08.2010 14:42, Vincent wrote:
>>    
>>> Is there any new about hierarchical tags?<http://trac.yorba.org/ticket/1401>
>>> Is it still a good candidate for 0.8? It would be one of the last thing that
>>> F-Spot has (and Shotwell not)  and it is very usefull.
>>>      
>> Hierarchical tags have some user-interface issues and, IMHO, introduce
>> additional complexity for functionality that can also be achieved using
>> combination search (tag a and tag b).
>>
>> Additionally, many tag-uis allow you to list which other tags are
>> present on objects that have a particular tag. For example, see
>> delicious.com. This also facilitates the browsing functionality that
>> some people like hierarchy for.
>>
>> cheers,
>>
>>    
> 
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-- 
Ingo Lütkebohle
fon: +49-521-106-2952
http://aiweb.techfak.uni-bielefeld.de/user/ingo-lutkebohle

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