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Posted to dev@tika.apache.org by "Tim Allison (Jira)" <ji...@apache.org> on 2026/10/08 18:33:00 UTC

[jira] [Resolved] (TIKA-4947) Assess how we're doing with orientation detection for OCR

     [ https://issues.apache.org/jira/browse/TIKA-4947?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tim Allison resolved TIKA-4947.
-------------------------------
    Resolution: Won't Fix

Please reopen if there's a robust solution that I'm missing.

> Assess how we're doing with orientation detection for OCR
> ---------------------------------------------------------
>
>                 Key: TIKA-4947
>                 URL: https://issues.apache.org/jira/browse/TIKA-4947
>             Project: Tika
>          Issue Type: Task
>            Reporter: Tim Allison
>            Priority: Major
>
> Some vlm-based OCR tools are not robust against rotation and can hallucinate completely fluent content if an image is rotated.
> As with the blank image detection (TIKA-4946), I'm not sure if we put this in the PDFParser or the OCR engine or both.



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