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AI & Machine Learning · Foundational

Optical Character Recognition (OCR)

Technology that extracts machine-readable text from images or scanned documents.

Definition

Modern OCR uses deep learning to read printed and handwritten text, and document AI services add layout, table and key-value extraction. Examples include Amazon Textract, Azure AI Document Intelligence and Google Document AI. Multimodal LLMs can also read text in images.

Example

Extracting invoice totals from scanned PDFs.

Exam tip

Forms and tables extraction on AWS points to Textract, not Rekognition.

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