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Research of Embedded Video Monitoring Technology

Author: PeiZuo
Tutor: YangFuMin
School: Huazhong University of Science and Technology
Course: Applied Computer Technology
Keywords: Video surveillance Video Capture Drive
CLC: TP277
Type: Master's thesis
Year: 2007
Downloads: 168
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Abstract


With the advancement of technology and the continuous improvement of people's living standards , the video surveillance system has been widely used in the industrial life , national security , daily life . Technical integration of video surveillance of a number of computers , multimedia , communications and network technology to become one of the hot people , has a broad application prospects and practical value . With the increasing development of embedded systems as well as the degree of chip integration , embedded video surveillance technology is increasingly subject to the attention and concern of the people and is widely used in many occasions . Routon Electronic Co., Ltd. embedded video monitoring system , RT-VS4104 Cirrus Logic Company EP9315 ARM processor with TI's TMS320DM642 DSP chip as the hardware platform , using embedded Linux as the operating system . In this system , video capture module uses the A / D converter chip decoder chip TW2814 . In order to make the system better data collection and control of the TW2814 . By simulating the I2C interface , the drive is not only available to the application acquisition parameters on the chip set , such as hue, saturation , contrast , brightness, etc. , and video loss detection . In the system constituted by the DSP and ARM processor , the transmission of data between the two processors is essential. Easy the HPI interface provided by the DSP chip DM642 DSP data read and write , we write the HPI drivers , and driver interface to read and write performance analysis , and also gives HPI driver DSP start method . For the convenience of the users in the local control of the system , you need the support of the graphics system . By extending the HPI interface driver , we design and implement a display driver . So users can be realized through a graphical system configuration and management system , greatly improve the degree of interaction between the system and the user 's convenience .

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Monitoring, alarm,fault diagnosis system
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