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Posted to dev@tika.apache.org by "Tim Allison (Jira)" <ji...@apache.org> on 2026/10/02 12:19:00 UTC

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

Tim Allison created TIKA-4947:
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             Summary: 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


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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