Optical character recognition

This chapter presents the features of the Optical Character Recognition (OCR) module, which performs template-based character recognition.

In this chapter

• OCR module
• Steps to reading or verifying a string in an image
• Basic concepts
• Guidelines for choosing context types
• OCR font
• Defining the target string
• Locating your text
• Determining what is a match
• Retrieving and analyzing the results
• Improving search speed
• Optical character recognition examples