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Image Recognition Issue-Image to Text

asked 2014-01-23 06:10:25 -0600

prachis gravatar image

updated 2015-11-14 07:44:40 -0600

berak gravatar image

I am working on OCR using opencv and now I am currently able to detect individual character by drawing a rectangle around them .Now I am not sure how to proceed to convert the image into textfile containing all the characters in the image. please help.Coding language-c++

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Since you have the individual characters and you know their corresponding label (which is the actual OCR part) it should not be too hard to write them to a file. For lines you look at the coordinates of the bounding box, if the y dimension changes, a new line is started. If x is larger then a specific threshold, there is a space instead of a next letter. To output the data to a text file you can simply use the ofstream class of C++!

StevenPuttemans gravatar imageStevenPuttemans ( 2014-01-23 06:23:16 -0600 )edit

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answered 2015-11-14 07:39:03 -0600

Since you have the individual characters and you know their corresponding label (which is the actual OCR part) it should not be too hard to write them to a file. For lines you look at the coordinates of the bounding box, if the y dimension changes, a new line is started. If x is larger then a specific threshold, there is a space instead of a next letter. To output the data to a text file you can simply use the ofstream class of C++!

Yes, directly save the str pointer to text file by ofstream class.

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Asked: 2014-01-23 06:10:25 -0600

Seen: 354 times

Last updated: Nov 14 '15