feat(pdf_parse): improve OCR processing and contrast filtering #1664
Merged
myhloli merged 6 commits intoopendatalab:devfrom Feb 9, 2025
Merged
feat(pdf_parse): improve OCR processing and contrast filtering #1664myhloli merged 6 commits intoopendatalab:devfrom
myhloli merged 6 commits intoopendatalab:devfrom
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- Uncomment detect_invalid_chars_by_pymupdf function call - Comment out detect_invalid_chars function call
- Rename empty_spans to need_ocr_spans for better clarity - Add calculate_contrast function to measure image contrast - Filter out low-contrast spans to improve OCR accuracy - Update OCR processing workflow to use new filtering method
…model - Increase batch size from 8 to 256 for language detection inference - Add timing measurement for language detection process
- Update calculate_contrast function to support both RGB and BGR image modes - Add input validation for image mode in calculate_contrast function - Modify usage of calculate_contrast function in OCR processing to specify image mode
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