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Text cleaner in Opencv like ImageMagicK script

asked 2014-01-21 21:37:26 -0500

r4j gravatar image

updated 2017-10-18 20:48:33 -0500

I try to make text in image cleaner and clearer before run OCR with tesseract. In this link, they provided a good scripts to do it by ImageMagicK. I wonder is possible to convert this script and function into OpenCV code? For example, the script with arguments like this:

 -g -e none -f 15 -o 20

From the explanation:

 -g ...................... convert document to grayscale before enhancing
 -e .... enhance ......... enhance image brightness before cleaning;
                           choices are: none, stretch or normalize; 
                           default=none
 -f .... filtersize ...... size of filter used to clean background;
                           integer>0; default=15
 -o .... offset .......... offset of filter in percent used to reduce noise;
                          integer>=0; default=5

How can I do the same in OpenCV code? As I am a newbie in OpenCV, I just only know how to convert to grayscale. Any help would be appreciated.

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answered 2014-08-24 03:00:39 -0500

lmcgs gravatar image

You can find any way? I need same...

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Asked: 2014-01-21 21:37:26 -0500

Seen: 1,532 times

Last updated: Aug 24 '14