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What is Optical Character Recognition (OCR)? Definition

What is Optical Character Recognition (OCR)? Definition

Optical Character Recognition, or OCR, is the process of converting scanned images of text into text that can be read and edited by a computer. OCR technology is used in a variety of settings, including banks, schools, and offices. While OCR technology has been around for some time, it has only recently become more widely used. This is due in part to the increasing availability of scanning devices and the decreasing cost of OCR software. There are a number of different applications for OCR technology. For example, OCR can be used to scan and convert paper documents into digital files. OCR can also be used to recognize text in images, such as photographs or scanned documents. OCR technology is constantly improving, and new applications for OCR are being developed all the time.

What is Optical Character Recognition?

Optical character recognition (OCR) is the recognition of printed or written text characters by a computer. It is mainly used to convert scanned documents, such as scanned paper documents, PDF files or images captured by a digital camera into editable and searchable data.

There are two main types of OCR:

1. Free OCR
2. Paid OCR

Free OCR tools are available online, such as Free Online OCR and SimpleOCR. These tools allow you to upload an image or document and then output the recognized text. However, free OCR tools often have lower accuracy rates than paid OCR tools.
Paid OCR tools are usually more accurate than free OCR tools and often come with additional features, such as the ability to export the recognized text in multiple formats, support for multiple languages and integration with other software applications.

How OCR Works

Most OCR systems work by scanning a document and then outputting the text found in the document as a text file, or sometimes as an editable document. This process can be done entirely automatically, or with the help of a human operator who inputs text manually.

OCR software typically works by first scanning a document and identifying all of the individual characters within that document. Once all of the characters have been identified, the OCR software will then attempt to match each character with its corresponding ASCII code. If the OCR software is unable to match a character with an ASCII code, it will typically output that character as a question mark or some other symbol.

Once all of the characters have been properly matched with their corresponding ASCII codes, the OCR software will then output the text from the document as either a text file or an editable document.

History of OCR

The history of Optical Character Recognition (OCR) begins in the early 1800s with the development of reading machines. The first reading machine was invented by Charles Wheatstone in 1839. This machine used a system of mirrors and lenses to magnify and project an image of a page onto a screen. The operator would then use a needle to point out the characters that were being read.

In 1851, another reading machine was invented by Rudolph Koenig. This machine used a system of revolving drums to project an image of a page onto a screen. The operator would then use a stylus to trace over the characters that were being read.

In 1871, OCR was first used commercially when Herman Hollerith developed a punch card system for the US census. This system used cards with holes punched in them to encode data about each person being counted. The cards were fed into a tabulating machine which could read the data and produce results.

OCR technology has come a long way since its early days, but the basic principle remains the same: using computers to recognize text from images. Today, OCR is used in many different fields such as document scanning, recognizing

Benefits of OCR

There are many benefits of Optical Character Recognition (OCR). Here are some of the most notable:

1. OCR can help you convert paper documents into digital format. This can save you a lot of time and money, since you won’t need to re-type or scan the document again.

2. OCR can help you edit digital documents more easily. Once your document is in digital format, you can use editing software to make changes without having to print out the entire document again.

3. OCR can help you search through digital documents more effectively. You can use keyword searches to find specific information within a document much faster than if it were in paper form.

4. OCR can help you share digital documents with others more easily. Once your documents are in digital format, you can email them or post them online for others to view or download.

Drawbacks of OCR

There are a few potential drawbacks to using OCR. One is that it can be slow, particularly if the document being scanned is long or complex. Another potential drawback is that OCR is not always 100% accurate, and may introduce errors into the text that were not present in the original document. Finally, OCR requires a good deal of processing power, so it may not be practical for very large documents or those with a lot of graphics.

Future of OCR

What will the future of optical character recognition (OCR) entail?

In terms of accuracy, OCR engines will continue to get more accurate as they become more sophisticated. Currently, many OCR engines have difficulty accurately reading handwritten text or text in languages other than English. However, as OCR technology advances, it will become better at handling a wider range of input types.

speed will also increase. currently, OCR can take some time to process an image and output the recognized text. However, as hardware and software advances are made, OCR engines will be able to handle files much faster.

The cost of OCR solutions will also continue to drop as the technology becomes more accessible. Currently, many commercial OCR solutions can be quite expensive. However, as open source solutions become more available and more people learn how to use them effectively, the cost of OCR will go down.

Overall, the future of OCR looks bright. The technology is continuing to develop at a rapid pace and is becoming more accurate, faster, and cheaper all the time.

Conclusion

Optical Character Recognition, or OCR, is a process of converting images of text into digital text. This can be extremely useful for digitizing documents or extracting text from images. OCR technology has come a long way in recent years, and there are now many different software options available that can perform this task with varying degrees of accuracy. When choosing an OCR tool, it’s important to consider the accuracy level you need as well as the input and output formats that are supported.

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