OCR parity: markitdownnet tuned (eng, PSM=6, DPI=300) #25
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…n markitdownnet only (eng, PSM=6, DPI=300)
…n markitdownnet only (eng, PSM=6, DPI=300)
…data; regen markitdownnet only (eng, PSM=6, DPI=300)
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Summary
MarkItDownOptions(DPI, PSM, OEM, threads, force raster)Rasterizerfor uniform 300 DPI preprocessing with Otsu binarisation and light deskewOcrBenchTesting
dotnet run --project tools/OcrBench -- extract --input-dir dataset/validation --out-dir dataset/validation/_ocr --threads 1 --langs eng --psm 6 --refresh markitdownnetdotnet run --project tools/OcrBench -- compare --ocr-dir dataset/validation/_ocr --out-json artifacts/validation/OCR/bench-ocr.json --out-md artifacts/validation/OCR/summary-ocr.mdhttps://chatgpt.com/codex/tasks/task_e_68a77ea46bdc8325bb77f0d7313776cc