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opencr

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Extract text from images, documents and scanned PDFs using OpenOCR - supports text detection, recognition, universal VLM recognition, and document parsing with layout analysis

When to use

• text detection
• text recognition
• end-to-end OCR
• universal VLM recognition
• document parsing with layout analysis
• formula recognition
• table recognition
• scanned PDF conversion

When not to use

• Text recognition accuracy depends on image quality
• Very small or heavily rotated text may reduce accuracy
• `server` mode requires PyTorch and is slower than `mobile` mode
• UniRec and Doc tasks use 0.1B parameter VLM, larger models may yield better results
• PDF processing converts pages to images internally, very large PDFs may use significant memory
• Complex handwritten text accuracy varies
• GPU recommended for best performance, especially for Doc and UniRec tasks

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