СледваСледващо ръководство
OCR-Free Document Understanding (Donut)
Визуален AI
РЪКОВОДСТВО за визуален AI
Document AI extracts and interprets information from files such as forms, reports, invoices, and scanned pages.
Чуйте това ръководствоAI-разказан · ~2 min
It can combine optical character recognition, layout analysis, classification, and language models. Recognizing text is only one part of preserving a document’s meaning.
Identify whether the file already contains usable text or requires OCR. A scan can introduce recognition errors, while an existing text layer can still have incorrect reading order. Tables, columns, headers, and footnotes often require layout information to interpret correctly. Keep provenance at the field or passage level. Page numbers, bounding boxes, and original text help reviewers confirm an extracted value. Avoid flattening a table in a way that disconnects a number from its row label, unit, or qualifier. Validate extracted fields against the document and relevant relationships. A total can have the correct numerical type while containing a misplaced decimal point. An absent field should remain absent or explicitly unknown rather than being filled from a plausible pattern. Evaluate different document formats, scan quality, languages, and uncommon layouts. Define how uncertain fields reach review and how corrections are stored. Protect private documents with appropriate access, retention, and deletion controls, including any derived text and embeddings.
04Работен пример
Construct a report table with a column labeled “Revenue, thousands of USD” and a row value of 250.
An extraction returning revenue_usd: 250 loses the scale. The interpreted amount is 250,000 USD if the column label applies to that row.
Preserve the raw cell, heading, and interpreted value so a reviewer can check the conversion.
Какво показва
This invented table illustrates why document structure matters beyond character recognition.
Extract invoice fields with page references and arithmetic checks.
Preserve table headings and footnotes when preparing reports for retrieval.
Безплатен бюлетин
Три проверени AI истории всяка делнична сутрин, написани на достъпен език. Безплатно завинаги, без реклами.
Един имейл всеки делничен ден. Отписване с едно кликване. Никога не продаваме и не споделяме вашия имейл адрес.
Тествайте себе си
Незабавна обратна връзка за всеки отговор и сертификат за споделяне с подлежащ на проверка идентификационен номер, след като преминете курс.
Подкрепете безплатното AI образование. AI Understanding е 501(c)(3) с нестопанска цел — без реклами, без платен достъп, никога. Направете дарение
Not always. Correct characters can still be associated with the wrong row, column, unit, or footnote. Layout and relationship checks are necessary.
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СледваСледващо ръководство
OCR-Free Document Understanding (Donut)
Визуален AI