Re: [bug-GIFT] gift-add-collection.pl

[Pruet Boonma]

Hi,

On Wed, Mar 27, 2002 at 10:21:19AM +0100, MUELLER Henning wrote:
> Hi,
> 
> If I get the error right, then it is due to ImageMagick that we use to
> convert the image into a thumbnail and into a ppm file for feature
> extraction. ImageMagick does not know that the extension 000 is in fact
> Jpeg and thus it does not do any conversion and consequently we cannot
> extract any features.

Sorry, but ImageMagick checks the file type from the file header, not
from the file extension. Let's say that, it works in unix way, not
windows way ;)

So, IMHO, the image file is corrupt or in the format that ImageMagick
can't understand.

Cheers,
pruet

> 
> Would it be a problem to change the 000 extensions into jpeg?
> 
> Cheers, Henning
> 
> Michael Kamleitner wrote:
> > 
> > hi gift-list!
> > 
> > I encountered problems when using gift-add-collection.pl - if _one_ single
> > file in the source-image-directory is corrupt the script dies and doesn't
> > process further files. maybe this problem occurs only in my case, because
> > the images have the file-extension .000 (for historical reason, inside they
> > are normal jpegs) - I had to edit the script to process this file-extension.
> > 
> > The exact output of gift-add-collection.pl
> > ==========================================
> > 
> > http://gate/gift/img//00001257.000
> > /big/gift/gift-indexing-data/gift/00001257_000.fts
> > http://gate/gift/img/--00001257--000
> > This script was last modified on 1016796076
> > We will make a new thumbnail file
> > making the path /big/gift/thumbnails/
> > Converting /mnt/foto-archiv/00001257.000 to
> > /big/gift/thumbnails/00001257_thumbnail_000.jpg
> > convert: no delegate for this image format (/mnt/foto-archiv/00001257.000)
> > [No such file or directory].
> > convert: Missing an image file name.
> > Warning: Thumbnail generation failed for
> > /big/gift/thumbnails/00001257_thumbnail_000.jpg No such file or directory
> > We will make a new feature file
> > Converting /mnt/foto-archiv/00001257.000 to /tmp/gift_tmp8495.ppm
> > convert: no delegate for this image format (/mnt/foto-archiv/00001257.000)
> > [No such file or directory].
> > convert: Missing an image file name.
> > Pre feature extraction convert call failed: No such file or directory
> > 
> > System:
> > =======
> > 
> > SuSE Linux 7.1, Kernel 2.4.2
> > iPentium 2, 128MB ram
> > 
> > bye
> > mika
> > 
> > Computer games don't affect kids.
> > I mean if Pacman affected us as kids,
> > we'd all run around in a darkened room
> > munching pills and listening to repetitive music.
> > 
> > _______________________________________________
> > bug-GIFT mailing list
> > address@hidden
> > http://mail.gnu.org/mailman/listinfo/bug-gift
> 
> -- 
>      ----------------------------------------------------------
>      Henning Mueller, Computer Vision Group
>      Computer Science Department, University of Geneva
>      24, rue du General Dufour, CH-1211 Geneva 4, SWITZERLAND  
>      Phone : +41(22)705 7633; fax: +41(22)705 7780
>      address@hidden
>      ----------------------------------------------------------
> 
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