Re: Features Extraction

Thanks a lot

Epa Uwimana

Quoting David Squire <[email protected]>:

> Epa Uwimana wrote:
> > Hello,
> >  
> > I installed gift on my machine and was able to add my collection
> and
> > indexed them but I am running into some problems to extract
> features.
> > Would someone tell me how I can extract features from a specific
> image
> > using GIFT?
> 
> You can use the program gift-extract-features that is built and
> installed when you install GIFT. It requires a 256x256 PPM image file
> as
> a parameter on the command line. If your image file is, for example,
> 001.gif, you would do:
> 
> >convert -geometry 256x256 001.gif 001.ppm; gift-extract-features
> 001.ppm; rm 001.ppm
> 
> This will create a file 001.fts in the same directory, that includes
> the
> extracted features.
> 
> > What would be steps to follow for anybody who wants to use GIFT to
> indexing and features extraction only?
> 
> The gift-add-collection.pl program extracts features and builds the
> index files for all the images in a directory. If you just want to
> extract features and index using those GIFT components, that is what
> you
> need to use, just as if you were going to use the gift query engine
> as well.
> 
> You will need to dig in the source code to understand the format of
> the
> feature and index files.
> 
> > Any idea where I can find a new README?
> 
> There isn't one.
> 
> Regards,
> 
> David
> 
> -- 
> Dr. David McG. Squire, Senior Lecturer. On sabbatical in 2006.
> Caulfield School of Information Technology, Monash University,
> Australia
> CRICOS Provider No. 00008C      
> http://www.csse.monash.edu.au/~davids/
> 
> 
> 
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