【摘要】：隨著數(shù)字圖像處理技術(shù)的發(fā)展,以及現(xiàn)代信息化社會(huì)建設(shè)的加速,視頻圖像處理系統(tǒng)在軍用領(lǐng)域和民用領(lǐng)域都得到了廣泛的應(yīng)用。尤其近年來(lái),DSP技術(shù)的發(fā)展不斷地將數(shù)字圖像處理領(lǐng)域的理論研究成果轉(zhuǎn)換到實(shí)際應(yīng)用中去,推動(dòng)了視頻圖像處理領(lǐng)域的發(fā)展。因此對(duì)視頻圖像處理平臺(tái)的研究具有重要意義。 本文以某武器系統(tǒng)的研制為背景,主要研究了系統(tǒng)的核心組件之一——基于DSP技術(shù)的視頻圖像處理平臺(tái)。論文對(duì)系統(tǒng)功能需求和技術(shù)指標(biāo)進(jìn)行了詳細(xì)分析,給出了視頻圖像處理平臺(tái)的總體設(shè)計(jì)方案,并根據(jù)方案實(shí)現(xiàn)了各個(gè)模塊的硬件設(shè)計(jì)、軟件驅(qū)動(dòng)設(shè)計(jì)和調(diào)試。 根據(jù)系統(tǒng)功能需求,視頻圖像處理平臺(tái)采用TI公司的TMS320DM642芯片作為核心處理器,視頻解碼器和編碼器分別采用Philips公司的SAA7113H和SAA7121H芯片。論文詳細(xì)地介紹了硬件平臺(tái)各個(gè)功能模塊的設(shè)計(jì)與實(shí)現(xiàn),同時(shí),系統(tǒng)地介紹了視頻圖像處理平臺(tái)的主程序設(shè)計(jì),包括DM642初始化、視頻編/解碼模塊、通信模塊、CAN模塊和CPCI模塊等的底層驅(qū)動(dòng)設(shè)計(jì)。視頻圖像處理平臺(tái)采用CAN總線與主機(jī)進(jìn)行數(shù)據(jù)通信,同時(shí)為了解決系統(tǒng)平臺(tái)在運(yùn)動(dòng)過(guò)程中振動(dòng)可能帶來(lái)的問(wèn)題,平臺(tái)采用CPCI接口向主機(jī)發(fā)送完整的視頻流信息,通過(guò)CPLD模塊的設(shè)計(jì)對(duì)視頻圖像處理平臺(tái)進(jìn)行時(shí)序和邏輯控制。論文最后對(duì)各個(gè)模塊進(jìn)行了軟硬件調(diào)試,實(shí)現(xiàn)了設(shè)計(jì)目標(biāo)。 論文設(shè)計(jì)的視頻圖像處理平臺(tái),成功實(shí)現(xiàn)了視頻圖像的采集、傳輸和顯示,并能通過(guò)CPCI接口完成對(duì)主機(jī)的實(shí)時(shí)圖像傳輸,通過(guò)CAN總線與主機(jī)的實(shí)時(shí)信息交互,各個(gè)功能模塊均能滿(mǎn)足總體對(duì)視頻圖像處理平臺(tái)的設(shè)計(jì)指標(biāo)要求。目前本平臺(tái)正參與全系統(tǒng)的集成和聯(lián)調(diào),工作狀況良好。
[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(xué)位授予單位】：南京理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類(lèi)號(hào)】：TP391.41;TP368.1

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