tesseract: tesseract (An OCR Engine) tesseract: tesseract: The Tesseract OCR engine was one of the top 3 engines in the 1995 tesseract: UNLV Accuracy test.Between 1995 and 2006 it had little work done on tesseract: it, but it is probably one of the most accurate open source OCR tesseract: engines available. The source code will read a binary, grey or color tesseract: image and output text. A tiff reader is built in that will read tesseract: uncompressed TIFF images, or libtiff can be added to read compressed tesseract: images. tesseract: tesseract: