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    Artificial  Intelligence  (AI)  is  used  in  various  areas  of  real  life  like  character  recognition,  face
                     recognition,  speech  recognition,  and  many  more.  With  the  use  of  AI, some  of  the  technologies
                     become very powerful. In this chapter, we will discuss how AI works in some of the applications.
                     Optical Character Recognition

                     Optical Character Recognition (OCR) is a technique to convert an image of a text or physical document
                     into editable form. It is also known as text recognition.

                     How Does OCR Work?

                     Now, let us understand the steps involved in any OCR program:
                     1.  A paper document is read by a scanner and converted into a machine-readable form.
                     2.   The letters, numbers and symbols are examined by OCR. It identifies the patterns, uppercase and
                        lowercase, etc.

                     3.  At the end, OCR processes the characters and converts them into computerised files.
                     Role of AI in OCR

                     Before  the  invention  of  OCR,  converting  physical  text  documents  to  digital  was  done  manually.
                     It was a time-consuming process, and several retyping were required to make it error-free. With
                     OCR, the task has become easy. Once the document is converted into digital form, editing is easy.
                     With artificial intelligence (AI), handwriting interpretation has become accurate. AI is playing an
                     important role in the effectiveness of OCR. It ensures that these documents are converted with the
                     greatest possible accuracy.

                     Areas Where AI-Powered OCR is Being Used

                     There are various areas where AI-powered OCR is being used. Some of them are as follows:
                        • Documents are scanned using OCR.

                        • Robots use OCR to scan barcodes in the warehouses and find stock.
                        • In bank, AI-paired OCR technology is used to scan a cheque from the front and back, validate it
                        and match it with the amount you deposit in the account.

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