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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TIKA-2306) Update Inception v3 to Inception v4 in Object recognition parser
Date Fri, 14 Apr 2017 12:11:42 GMT

    [ https://issues.apache.org/jira/browse/TIKA-2306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15968947#comment-15968947

ASF GitHub Bot commented on TIKA-2306:

KranthiGV commented on issue #163: TIKA-2306: Update Inception v3 to Inception v4 in Object
recognition parser 
URL: https://github.com/apache/tika/pull/163#issuecomment-294143638
   I have made the necessary changes at Reduced disk I/O commit (https://github.com/apache/tika/pull/163/commits/db8c81410b8468e1a524ed2dbb28abc7154fb11d)
   The performance is compared by running it 50 times on an image.
   n=0; while [[ $n -lt 50 ]]; do java -jar tika-app/target/tika-app-1.15-SNAPSHOT.jar  --config=tika-parsers/src/test/resources/org/apache/tika/parser/recognition/tika-config-tflow-rest.xml
n=$((n+1)); done
   time ./script.sh
   Before changes:
   `real	4m33.334s`
   After changes:
   `real	1m0.736s`
   TODO after merging:
   1) Update the inceptionapi.py link to Apache's repo link.
   2) Document the usage in Wiki.
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> Update Inception v3 to Inception v4 in Object recognition parser 
> -----------------------------------------------------------------
>                 Key: TIKA-2306
>                 URL: https://issues.apache.org/jira/browse/TIKA-2306
>             Project: Tika
>          Issue Type: Improvement
>          Components: parser
>    Affects Versions: 1.14
>            Reporter: Kranthi Kiran GV
>            Priority: Minor
>              Labels: inception, object_recognition
>   Original Estimate: 72h
>  Remaining Estimate: 72h
> Object Recognition Parser currently uses Inception V3 model for the object classification
task. Google released a newer Inception V4 model [1][2].
> It has an improved Top -1 accuracy of 80.2 and Top-5 accuracy of 95.2 [3].
> I believe that Tika community would benefit from it. I would be working on this issue
in the next few days.
> [1] https://research.googleblog.com/2016/08/improving-inception-and-image.html
> [2] https://arxiv.org/abs/1602.07261
> [3] https://github.com/tensorflow/models/tree/master/slim

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