基于達芬奇技術(shù)的智能視頻分析系統(tǒng)硬件設計
發(fā)布時間：2018-07-16 16:26
【摘要】：隨著嵌入式系統(tǒng)技術(shù)、數(shù)字信號處理技術(shù)和視頻分析技術(shù)的進步,視頻監(jiān)控正從傳統(tǒng)的人工監(jiān)控朝著智能監(jiān)控的方向發(fā)展。中國安防市場在“科技強警”、“金融聯(lián)網(wǎng)監(jiān)控”、“平安城市”等項目的拉動下,市場需求急劇增長,整個安防市場的規(guī)模迅速擴大。本課題根據(jù)智能無線視頻監(jiān)控系統(tǒng)項目對硬件平臺的需求,選用TI公司高性能的達芬奇系列DSP芯片TMS320DM6437作為主處理器,圍繞其進行外圍電路的設計,完成了智能視頻分析系統(tǒng)硬件設計。 本論文主要完成了六個方面的工作： 1、介紹了智能視頻監(jiān)控系統(tǒng)的發(fā)展現(xiàn)狀、達芬奇技術(shù)的概況、本課題的來源和意義。 2、介紹了智能視頻監(jiān)控系統(tǒng)的總體方案,完成了系統(tǒng)主要元器件的選型,硬件電路總體設計,傳輸協(xié)議的選擇和視頻壓縮編碼標準的選擇。 3、介紹了主處理器TMS320DM6437的基本結(jié)構(gòu)和各個部分的功能。主處理器包括DSP子系統(tǒng),視頻處理子系統(tǒng)(VPSS)和豐富的外圍設備接口。 4、完成了整個系統(tǒng)各個模塊的硬件電路設計。電源模塊進行了電源類型需求分析和電源電路詳細設計；時鐘模塊介紹了DSP時鐘和各個模塊時鐘產(chǎn)生電路；復位和啟動模塊介紹了系統(tǒng)復位電路和啟動模式配置電路；外部存儲器擴展模塊介紹了DDR2SDRAM的擴展電路和NOR FLASH的擴展電路；視頻模塊介紹了視頻輸入電路和視頻輸出電路；音頻模塊介紹了多通道緩沖串行口(McBSP)和音頻接口電路；Ethernet模塊介紹了以太網(wǎng)電路；串口電路部分介紹了RS485接口電路和RS232接口電路；然后介紹了JTAG接口電路。 5、介紹了典型的PCB板層安排,完成了智能視頻分析系統(tǒng)PCB板層設計,DDR2SDRAM器件布局的注意事項和整個電路板元器件的布局,PCB布線的注意事項和整個系統(tǒng)的PCB設計。 6、總結(jié)了本論文的主要工作并闡述了未來可以繼續(xù)努力的方向。
[Abstract]:With the development of embedded system technology, digital signal processing technology and video analysis technology, video surveillance is developing from traditional manual monitoring to intelligent monitoring. China's security market has been driven by projects such as "science and technology," financial network monitoring, "and" Ping an City, "which have led to a sharp increase in market demand and a rapid expansion of the scale of the entire security market. According to the demand of the hardware platform of the intelligent wireless video surveillance system project, the paper selects TMS320DM6437, a series of high performance DSP chips of TI Company, as the main processor, and designs the peripheral circuit around it. The hardware design of intelligent video analysis system is completed. This paper mainly completed six aspects of the work: 1, introduced the development of intelligent video surveillance system, da Vinci technology overview, The source and significance of this subject. 2. The overall scheme of the intelligent video surveillance system is introduced. The selection of the main components of the system and the overall design of the hardware circuit are completed. The basic structure and functions of the main processor TMS320DM6437 are introduced. The main processor includes DSP subsystem, video processing subsystem (VPSS) and abundant peripheral interface. The power supply module has carried on the power type demand analysis and the power supply circuit detailed design; the clock module has introduced the DSP clock and each module clock generation circuit; the reset and start module has introduced the system reset circuit and the start mode configuration circuit; External memory expansion module introduces DDR2 SDRAM expansion circuit and nor flash expansion circuit, video module introduces video input circuit and video output circuit, audio module introduces multi-channel buffer serial port (McBSP) and audio interface circuit. Ethernet module introduces Ethernet circuit, serial port circuit introduces RS485 interface circuit and RS232 interface circuit, and then introduces JTAG interface circuit. The PCB layer design of the intelligent video analysis system has been completed, and the matters needing attention in the layout of DDR2 SDRAM, the layout and the PCB wiring of the whole circuit board and the PCB design of the whole system have been completed. 6. The main contents of this paper have been summarized. Work and explain the direction that can continue to work hard in the future.
【學位授予單位】：太原理工大學
【學位級別】：碩士
【學位授予年份】：2012
【分類號】：TP391.41;TP368.1
[Abstract]:With the development of embedded system technology, digital signal processing technology and video analysis technology, video surveillance is developing from traditional manual monitoring to intelligent monitoring. China's security market has been driven by projects such as "science and technology," financial network monitoring, "and" Ping an City, "which have led to a sharp increase in market demand and a rapid expansion of the scale of the entire security market. According to the demand of the hardware platform of the intelligent wireless video surveillance system project, the paper selects TMS320DM6437, a series of high performance DSP chips of TI Company, as the main processor, and designs the peripheral circuit around it. The hardware design of intelligent video analysis system is completed. This paper mainly completed six aspects of the work: 1, introduced the development of intelligent video surveillance system, da Vinci technology overview, The source and significance of this subject. 2. The overall scheme of the intelligent video surveillance system is introduced. The selection of the main components of the system and the overall design of the hardware circuit are completed. The basic structure and functions of the main processor TMS320DM6437 are introduced. The main processor includes DSP subsystem, video processing subsystem (VPSS) and abundant peripheral interface. The power supply module has carried on the power type demand analysis and the power supply circuit detailed design; the clock module has introduced the DSP clock and each module clock generation circuit; the reset and start module has introduced the system reset circuit and the start mode configuration circuit; External memory expansion module introduces DDR2 SDRAM expansion circuit and nor flash expansion circuit, video module introduces video input circuit and video output circuit, audio module introduces multi-channel buffer serial port (McBSP) and audio interface circuit. Ethernet module introduces Ethernet circuit, serial port circuit introduces RS485 interface circuit and RS232 interface circuit, and then introduces JTAG interface circuit. The PCB layer design of the intelligent video analysis system has been completed, and the matters needing attention in the layout of DDR2 SDRAM, the layout and the PCB wiring of the whole circuit board and the PCB design of the whole system have been completed. 6. The main contents of this paper have been summarized. Work and explain the direction that can continue to work hard in the future.
【學位授予單位】：太原理工大學
【學位級別】：碩士
【學位授予年份】：2012
【分類號】：TP391.41;TP368.1
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