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http://opencast.jira.com/browse/MH-6958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=29449#comment-29449
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Andreas Krieger commented on MH-6958:
-------------------------------------
Although this MH is marked as "fixed" we at ViennaUniversityOfTechnology still
get grey images in >98% of the cases/segments, and thus almost no text
extraction. Segmentation works fine.
Our capture agents record mp2 with MH 1.3rc6 or 7.
Our admin and worker nodes run MH 1.2.0. on Centos 5.7 with ffmpeg 0.6.
Contents of conf/encoding/matterhorn-image.properties:
# Still image extraction for text analysis (ocr)
profile.text-analysis.http.name = still image for text extraction
profile.text-analysis.http.input = visual
profile.text-analysis.http.output = image
profile.text-analysis.http.suffix = .#{time}.jpeg
profile.text-analysis.http.mimetype = image/jpeg
profile.text-analysis.http.ffmpeg.command = -strict inofficial -y -ss #{time}
-i #{in.video.path} -r 1 -vframes 1 -f image2 -pix_fmt rgb24
#{out.dir}/#{out.name}#{out.suffix}
# Still image conversion for text analysis (ocr)
profile.image-conversion.http.name = still image for text extraction
profile.image-conversion.http.input = visual
profile.image-conversion.http.output = image
profile.image-conversion.http.suffix = .tif
profile.image-conversion.http.mimetype = image/tiff
profile.image-conversion.http.ffmpeg.command = -y -f image2 -i #{in.video.path}
-f image2 #{out.dir}/#{out.name}#{out.suffix}
> Text extraction fails with 1.1 3rd party tool installer
> -------------------------------------------------------
>
> Key: MH-6958
> URL: http://opencast.jira.com/browse/MH-6958
> Project: Matterhorn Project
> Issue Type: Bug
> Components: Architecture & Services
> Affects Versions: 1.1
> Reporter: Josh Holtzman
> Assignee: Adam Hochman
> Priority: Release Blocker
> Fix For: 1.1
>
> Attachments: 312_0.jpg, tesseract.diff
>
>
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