基于TMS320DM642的視頻圖像處理平臺設計與實現(xiàn)
[Abstract]:With the development of digital image processing technology and the acceleration of the construction of modern information society, video image processing system has been widely used in military and civil fields. Especially in recent years, the development of DSP technology has continuously transformed the theoretical research results in the field of digital image processing into practical applications, which has promoted the development of video image processing field. Therefore, the research of video image processing platform is of great significance. Based on the research and development of a weapon system, this paper mainly studies the video image processing platform based on DSP technology, which is one of the core components of the system. In this paper, the functional requirements and technical specifications of the system are analyzed in detail, and the overall design scheme of the video image processing platform is given. According to the scheme, the hardware design, software driver design and debugging of each module are realized. According to the functional requirements of the system, the video image processing platform uses TI's TMS320DM642 chip as the core processor, and the video decoder and encoder use Philips's SAA7113H and SAA7121H chips, respectively. This paper introduces the design and implementation of each function module of the hardware platform in detail. At the same time, it systematically introduces the main program design of the video image processing platform, including DM642 initialization, video coding / decoding module. Communication module can module and CPCI module driver design. The video image processing platform uses CAN bus to communicate with the host computer. Meanwhile, in order to solve the problem caused by the vibration of the system platform during the motion, the platform uses the CPCI interface to send the complete video stream information to the host computer. The timing and logic of video image processing platform are controlled by the design of CPLD module. Finally, the software and hardware of each module are debugged and the design goal is realized. The video image processing platform designed in this paper has successfully realized the acquisition, transmission and display of video images, and the real-time image transmission to the host can be completed through the CPCI interface, and the real-time information exchange with the host through the CAN bus. Each functional module can meet the overall design requirements of video image processing platform. At present, the platform is participating in the whole system of integration and coordination, working well.
【學位授予單位】:南京理工大學
【學位級別】:碩士
【學位授予年份】:2013
【分類號】:TP391.41;TP368.1
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