What kind of images do OCR tools work with?
Optical character recognition converts the images into black and white before processing. OCR software is also compatible with processing color, grayscale and black and white images. However usually an OCR tool does not need extended Picture Box functionalities and it is generally provided for convenience sake. Open source codes for OCR tools are also quite easily available on the net. OCR .Net component is compiled in 1.1 and 2.0 Framework. Sample sources that are generally available for download are built on VB.Net and CSharp languages. Images of at least 300 DPI are best suited for OCR tools.
More about OCR tools.
OCR tools are more or less accurate for image conversion purposes. Factors that affect accuracy are skewed images, fragmented images, or dark images with merged character.
The output files can be in the form of a large list of available options ranging from Word files to PDF files. Thus, the OCR tool saves you a considerable amount of time by enabling you to convert your documents into computer readable language without actually having to retype it.
Where are OCR tools available
OCR tools are available at several websites that offer these tools for free or sell them. You can download them if you visit any of these websites.