Research On RFID Embedded Video Acquisition System

With the advance of digital information age, the acquisition,processing and application of information is growing day by day, the development of digital video acquisition technology is also by leaps and bounds. People often get in the digital video information, but at the same time also need for the identification of characters in the video. For example, in various exhibition hall , transcribe the experience of different regions which visitors visited to digital video paragraph, then the video paragraph will be extracted from the video under the identity of characters in it, and made a documentary about the tourist.At present the extraction of identifying information only from the video using the traditional method of image recognition , but the popularization of this method have many limit such as the technical difficulty and identify speed. The RFID technology have rapid identify speed,small size,safe and other characteristics, widely used in the field of identification, it has been recognized as one of the most promising application technology in this century, and also attracted the attention of many countries, wants development it into an important industry. So this text combine RFID technology with digital video capture technology , bring forward the RFID embedded video acquisition system project on the basis of the analysis about RFID technology and digital video acquisition technology, this project add the identity information of characters in the video simultaneously, provide the advantage for the back-end management and operation of the video.Firstly this thesis analysed the system' s needs of hardware and brought forward the RFID embedded video acquisition system hardware project based on STC89C52 MCU, also designed the hardware project about video collection part and RFID part respectively, introduced the radio frequency interface integrated chip MFRC500 and Mifarel IC card' s related content in details, designed the interface between system and computer, and gave some of the hardware connection map. On this basis, designed the hypogyny communication procedures, focused on solving the anti-conflict of card,enhanced searching card and serial communication interrupt handling, realized the communication between microcontroller and computer . Finally designed the PC application based on a second development package of SDK2500 video capture card, realized the binding processing between identity signal and video signal, achieved the purpose which combine RFID technology and video acquisition technology.