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'''Automatic Identification and Data Capture''' (AIDC) refers to the methods of automatically  identifying objects, collecting data about them, and entering that data directly into computer systems (i.e. without human involvement). Technologies typically considered as part of AIDC include bar codes, RFID  Radio Frequency Identification (RFID), biometrics, magnetic stripes, Optical character recognition  Optical Character Recognition (OCR), smart cards, and voice recognition. AIDC is also commonly referred to as “Automatic Identification,” “Auto-ID,” and "Automatic Data Capture." 

AIDC is the process or means of obtaining external data, particularly through analysis of images, sounds or videos. To capture data, a transducer is employed which converts the actual image or a sound into a digital file. The file is then stored and at a later time it can be analyzed by a computer, or compared with other files in a database to verify identity or to provide authorization to enter a secured system.  Capturing of data can be done in various ways; the best method depends on application. 

AIDC also refers to the methods of recognizing objects, getting information about them and entering that data or feeding it directly into computer systems without any human involvement. Automatic identification and data capture technologies include barcodes, RFID, bokodes, Optical character recognition OCR, magnetic stripes, smart cards and biometrics (like iris recognition iris and facial recognition system). 

In biometric security systems, capture is the acquisition of or the process of acquiring and identifying characteristics such as finger image, palm image, facial image, iris print or voice print which involves audio data and the rest all involves video data.

Radio frequency identification (RFID) is relatively a new AIDC technology which was first developed in 1980’s. The technology acts as a base in automated data collection, identification and analysis systems worldwide. RFID has found its importance in a wide range of markets including livestock identification and Automated Vehicle Identification (AVI) systems because of its capability to track moving objects. These automated wireless AIDC systems are effective in manufacturing environments where barcode labels could not survive.

==Capturing data from printed documents==

One of the most useful application tasks of data capture is collecting information from paper documents and saving it into databases (CMS, ECM and other systems). There are several types of basic technologies used for data capture according to the data type:

[[OCR]] – for printed text recognition<br />
[[ICR]] – for hand-printed text recognition<br />
[[OMR]] – for marks recognition<br /> 
OBR – for barcodes recognition<br />
BCR – for business cards recognition<br />

These basic technologies allow extracting information from paper documents for further processing it in the enterprise information systems such as [[ERP]], [[CRM]] and others.<br />
The documents for data capture can be divided into 3 groups: '''structured''', '''semi-structured''' '''and unstructured'''.<br /> 
'''Structured documents''' (questionnaires, tests, insurance forms, tax returns, ballots, etc.) have completely the same structure and appearance. It is the easiest type for data capture, because every data field is located at the same place for all documents.<br />
'''Semi-structured documents''' (invoices, purchase orders, waybills, etc.) have the same structure but their appearance depends on number of items and other parameters. Capturing data from these documents is a complex, but solvable task.<br /> 
'''Unstructured documents''' (letters, contracts, articles, etc.) could be flexible with structure and appearance.
{| class="wikitable" border="1"
|-
! Developer
! Basic Technologies
! Data Capture Application
! Data Capture SDK
|-
| ABBYY
| OCR ('''195''' languages),<br />ICR ('''113''' languages),<br />OMR, OBR, BCR
| ''ABBYY FlexiCapture'' is an intelligent data and document capture software that delivers automated processing of any type of '''structured, semi-structured and unstructured''' documents and forms
| ''ABBYY FlexiCapture Engine'' is a data and document capture SDK for any type of '''structured, semi-structured and unstructured''' documents and forms
|-
| I.R.I.S. Grou
| OCR ('''120''' languages),<br />ICR ('''Latin based''' languages),<br />OMR, OBR, BCR
| ''IRISCapture for Invoices'' – invoice processing solution

''IRISCapture Pro for Forms'' is an intelligent software suite that automatically captures, sorts and identifies '''all types''' of documents and forms
| -
|-
| CVISION Technologies
| OCR ('''60''' languages),<br />ICR ('''60''' languages), <br />OMR, OBR
| ''CVISION's Trapeze'' is an intelligent software that is able to recognize and capture text from '''structured, semi-structured, and unstructured''' documents including forms, invoices, and EOBs
| ''CVISION's Trapeze's SDK'' captures data from '''structured, semi-structured, and unstructured''' documents including forms, invoices, and EOBs
|-
|-
| LEADTOOLS
| OCR ('''118''' languages),<br />ICr ('''15''' languages),<br />OMR, OBR, BCR
| -
| ''LEADTOOLS Forms Recognition module'' is a .NET SDK that harnesses the power of LEAD's image processing technology to intelligently identify form components and features that can be used to recognize '''structured forms'''
|-
| Nuance Communications
| OCR ('''120''' languages),<br />ICR, OMR, OBR, BCR
| ''OmniPage Professional 17'' makes '''structured forms''' made easy from start to finish. You can turn paper forms into electronic forms and then collect the data.
| ''OmniPage Capture SDK for Windows'' with its advanced Logical Form Recognition (LFR) automates form template creation and '''structured forms''' processing.
|-
| AnyDoc Software
| OCR ('''4''' languages),<br />ICR, OMR, OBR, 
| ''OCR for AnyDoc'' automates data capture from all business documents, including '''structured, semi-structured,''' and ''' unstructured documents''' by incorporating AnyApp Technology for template-free processing.
| 
|-

|}

== The Internet of Things and the supply chain of the future – Auto-ID initiative<ref>{{cite book |last = Waldner  |first = Jean-Baptiste  |authorlink = Jean-Baptiste Waldner  |title = Nanocomputers and Swarm Intelligence |publisher = [[ISTE]] [[John Wiley & Sons]] |place = London |date = 2008  | pages = 205–214 |isbn = 1847040020}}</ref> ==

The idea is as simple as its application is difficult. If all cans, books, shoes or parts of cars are equipped with minuscule identifying devices, daily life on our planet will undergo a transformation. Things like running out of stock or wasted products will no longer exist as we will know exactly what is being consumed on the other side of the globe. Theft will be a thing of the past as we will know where a product is at all times. 

The global association Auto-ID Center was founded in 1999 and is made up of 100 of the largest companies in the world such as Wal-Mart, Coca-Cola, Gillette, Johnson & Johnson, Pfizer, Procter & Gamble, Unilever, UPS, companies working in the sector of technology such as SAP, Aliens, Sun as well as five academic research centers. These are based at the following Universities; MIT in the USA, Cambridge University in the UK, the University of Adelaide in Australia, Keio University in Japan and University of St. Gallen in Switzerland. 

The Auto-ID Center suggests a concept of a future supply chain that is based on the Internet of objects, i.e. a global application of RFID. They try to harmonize technology, processes and organization. Research is focused on miniaturization (aiming for a size of 0.3 mm/chip), reduction in the price per single device (aiming at around $0.05 per unit), the development of innovative application such as payment without any physical contact (Sony/Philips), domotics (clothes equipped with radio tags and intelligent washing machines) and, last but not least, sporting events (timing at the Berlin marathon).