What to do when PDF files contain text
When a scanned PDF document contains text, it is best to ensure that you can access the text, since the benefit of only being able to view the document as an image are quite minimal. To make a document text-searchable, it becomes necessary to use special software that uses optical information to identify characters. This software is known as OCR, or optical character recognition. OCR tools are becoming increasingly common for professional, academic, and even personal use, and their popularity grows with every year.
How to extract text efficiently
OCR owes its popularity to its success in increasing the efficiency of work with scanned text. In order to use OCR software efficiently, be sure that you have an OCR tool that is compatible with your needs. It must be designed to handle the types of documents that you plan to process, and should work at a rate that will keep up with your workflow. If you only OCR a few texts occasionally, then this is not a problem, but many professional users find that some OCR programs fail to keep up with bulk scanning. To extract text efficiently, just launch the program, and the entire document should become searchable immediately.
How to deal with OCR complications
Sometimes, complications arise that prevent OCR software from performing at its best. For example, a scanned image that is poor in quality can reduce OCR accuracy, blurring characters and making them look like other characters. The best solution is simply to scan as carefully as possible, so that you always have the highest possible quality scanned images. For cases when this is not an option, you should have OCR software with advanced image processing capabilities that should be able to bypass such problems.
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