Anyone know a library in python/ruby that analize images and extract text inside?
Or a book about image processing ect...
PS: The text is in varius fonts and formats but clear, Tl;Dr: No captcha or similar.
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1What does the last line you have written convey ? or is it written by mistake ?Rndm– Rndm2012-07-15 07:16:55 +00:00Commented Jul 15, 2012 at 7:16
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possible duplicate of OCR for recognising handwriting in .NETAdam Mihalcin– Adam Mihalcin2012-07-15 07:17:47 +00:00Commented Jul 15, 2012 at 7:17
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@Angelbit I pointed out one particular duplicate, but this question is really a duplicate of almost any OCR question on StackOverflow.Adam Mihalcin– Adam Mihalcin2012-07-15 07:18:59 +00:00Commented Jul 15, 2012 at 7:18
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Sorry, my english is very poor, the text inside images is written in various sizes and formats (bold, italic ect.)byterussian– byterussian2012-07-15 07:20:29 +00:00Commented Jul 15, 2012 at 7:20
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1@AdamMihalcin Have edit, don't have find any question ruby/python specific.byterussian– byterussian2012-07-15 07:26:18 +00:00Commented Jul 15, 2012 at 7:26
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1 Answer
You can use OpenCV, an opensource computer vision library and It has Python API. It is considered to be an industry-standard library nowadays.
OpenCV official site : http://opencv.org/
If you need some tutorials on OpenCV-Python, visit : opencvpython.blogspot.com
You can also check this SOF : Simple Digit Recognition OCR in OpenCV-Python
In addition to that, OpenCV samples has got some OCR implementations.
But I would recommend you to use Tesseract for OCR. It is the best Open source OCR engine, developed by HP, but now handled by Google.
Tesseract site : https://github.com/tesseract-ocr/tesseract
Python API of tesseract, Pytesser : https://github.com/RobinDavid/Pytesser
Also check this SOF : How do I choose between Tesseract and OpenCV?
So you can use OpenCV to preprocess the image and use Tesseract for OCR.
