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Tesseract OCR is an open-source optical character recognition engine that supports over 100 languages and multiple output formats. It offers both a legacy character pattern recognition engine and a modern LSTM-based neural network engine for line recognition.
Sources
en.wikipedia.org shapes more of what AI says about Tesseract OCR than any other source, at 15% of its citations.
github.com · quora.com · arxiv.org · softwarerecs.stackexchange.com
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