فناوری OCR توضیح داده شد: چگونه ماشینها متن را از تصاویر میخوانند
Optical Character Recognition (OCR) converts images of text into machine-readable text. The technology has evolved dramatically with AI.
How Modern OCR Works
Modern OCR systems like Tesseract use multiple stages:
1. Preprocessing: Image cleanup, noise removal, binarization
2. Layout analysis: Identifying text regions, columns, paragraphs
3. Character segmentation: Breaking text into individual characters
4. Recognition: Neural networks classify each character
5. Post-processing: Language models correct errors
Supported Languages
Modern OCR engines support 100+ languages including:
Tips for Better OCR Results
Extract text from any image with our OCR Text Extractor.
Once the text is extracted, you can archive the original scan as a searchable PDF via our Image to PDF tool.
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