Late Edition: Giving OCR Text a Second Look

说明与用途

Late Edition 使用 Gemma 模型纠正 OCR 错误，并通过严格的安全检查避免不必要的更改。

问题

OCR can misread characters, distort words, and turn a perfectly readable page into a messy block of text.

结果

32 passing tests and 6 failures; validation thresholds tested on a small sample; model only receives OCR text, not original image.

工作流

• Split the OCR text into manageable chunks
• Request corrections from a Gemma model via Gemini API
• Validate each proposed correction with deterministic checks (digits, capitalized words, similarity threshold)
• Generate an HTML report showing original text, accepted edits, and rejected suggestions

证据

OCR can misread characters, distort words, and turn a perfectly readable page into a messy block of text.

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Late Edition takes OCR text, splits it into chunks, and sends those chunks to a selected Gemma model.

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Before accepting a proposed correction, it runs a set of deterministic checks to decide whether the change is safe enough to keep.

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The validation layer checks three things: Digits, Capitalized words, Text similarity.

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My latest test run reported 32 passing tests and 6 failures.

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The model only receives OCR text; it never sees the original page image to verify a suspected error.

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