fix DPI (if needed) 300 DPI is minimum fix text size (e.g. 12 pt should be ok) try to fix text lines (deskew and dewarp text) try to fix illumination of image (e.g. no dark part of image binarize and de-noise image http://stackoverflow.com/questions/9480013/image-processing-to-improve-tesseract-ocr-accuracy http://en.wikipedia.org/wiki/Image_scaling User Scenario: Process digital camera pictures and OCR to extract specific […]