Remove background color in image processing for OCR

Question

I am trying to remove background color so as to improve the accuracy of OCR against images. A sample would look like below:

Answer 1

The following shows a possible strategy for processing your image, and OCR it

The last step is doing an OCR. My OCR routine is VERY basic, so I'm sure you may get better results.

The code is Mathematica code.

Not bad at all!