Assertion: tesseract's ocr engine | /r/HasProperty | popular
Facets:
value: highly
type: DEGREE
Source sentences:
text: Tesseract, a highly popular OCR engine, was originally developed by Hewlett Packard in the 1980s and was then open-sourced in 2005.
text: Tesseract is a popular OCR engine  and one of the first to obtain good recognition accuracy results .