image processing to improve tesseract OCR accuracy

Question

I\'ve been using tesseract to convert documents into text. The quality of the documents ranges wildly, and I\'m looking for tips on what sort of image processing might impr

Answer 1

I did these to get good results out of an image which has not very small text.

1. Apply blur to the original image.
2. Apply Adaptive Threshold.
3. Apply Sharpening effect.

And if the still not getting good results, scale the image to 150% or 200%.