How to improve the OCR accuracy
There are several ways to improve the OCR accuracy, they involve either adjusting the scanner settings or choosing high-quality source files.
- Adjust resolution – 300DPI is usually recommended
- Adjust color of scanned document - greyscale is recommended
- Adjust brightness settings. You would use the Brightness property for this. A 50% brightness is usually suitable
- File type and compression - Lossless compression types would be the better option (i.e.
PNG but not
For more elaboration, please see our blog post on the matter.