motovaultpro/ocr/app/extractors/vin_extractor.py at e4336ce9da80b6c0bbf200d41f0fe9e240228a36

egullickson/motovaultpro

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Eric Gullickson 432b3bda36

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fix: remove char whitelist incompatible with Tesseract LSTM (refs #113 )

tessedit_char_whitelist does not work with OEM 1 (LSTM engine) and
causes empty/erratic output. This was the root cause of Tesseract
returning empty text despite clear, well-preprocessed images.
Character filtering is already handled post-OCR by the VIN validator's
correct_ocr_errors() method (I->1, O->0, Q->0, etc).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2026-02-06 21:52:08 -06:00

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