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Re: [help-GIFT] GIFT Indexing

From: Henning Müller
Subject: Re: [help-GIFT] GIFT Indexing
Date: Mon, 21 Aug 2006 09:34:40 +0200
User-agent: Thunderbird (Windows/20060719)


it seems that the total number of extracted and stored features in the inverted file is too large in this case (seekg(-2147483632)). I have worked with databases of around 100'000 images and it worked perfectly fine.
I have no quick fix for this at the moment.

Cheers, Henning

Dayang Awg Iskandar wrote:
Hi all,

I installed GIFT without any errors and it worked fine with a small image collection.

I have indexed 169,685 images with GIFT and it took nearly two weeks to complete it. I think this is the first ever attempt to index GIFT with a large collection :) My problem is that, the indexing process did complete, but there was no *.ADI file generated and the inverted files:
- InvertedFileFeatureDescription.db
- InvertedFile.db
- InvertedFileOffset.db

did not contain anything. Below is the last part of the indexing messages, and it seems that there was some failure:

********************************************************************************** Processing File: 169685 CAccessorElement(169685 /home/dayang/public_html/wikiCollection//gift-indexing-data/Wikipedia//99994_jpg.fts)--
before mergesort
MERGESORT MergeSize 12
../../libGIFTAcInvertedFile/include/merge_sort_streams.h:358 lToBeSorted false, after seekg(-2147483632) gift-generate-inverted-file: ../../libGIFTAcInvertedFile/include/merge_sort_streams.h:364: char* merge_sort_streams(const char*, const char*, int) [with T = CIFBuilderTriplet]: Assertion `lToBeSorted1' failed.


Copying /home/dayang/public_html/wikiCollection//gift-config.mrml to /home/dayang/public_html/wikiCollection//gift-config.mrml-old



My questions:
1) Is the failure caused by the collection size? - I assume no.
2) How can I resolve this problem.

Please shed some light. I really need your advice.

Thank you,

help-GIFT mailing list

 Henning Müller (PhD)
 University & Hospitals of Geneva
 Service of Medical Informatics
 24, rue Micheli-du-Crest
 CH-1211 Geneva 14, Switzerland
 Tel  +41 22 372-6175
 Fax  +41 22 372-8680
 email address@hidden

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