Research Of High-Definition Video Acquisition And Processing System

With the Wisdom In recent years,the state has attached great importance to the localization of chips,and has invested a lot of manpower and material resources for this purpose.With the rapid development of domestic electronic information technology,especially the popularity of mobile 4G and the Internet,the requirements for the real-time and clarity of multimedia image acquisition technology are getting higher and higher.At present,embedded products have been able to achieve 1080p high-definition transmission,but due to its limited storage and computing capabilities,real-time processing of high-definition images is still under continuous research and exploration.As a dedicated digital signal processing CPU,DSP has more mature production technology,lower power consumption,greater data throughput,and more powerful computing capabilities,and is increasingly recognized by scholars in the field of image processing.Therefore,the BWDSP independently developed by the 38th Institute of China Electronics Technology Group(hereinafter abbreviated as 38)has received extensive attention.This thesis designs an overall design scheme of embedded high-definition video capture and processing system with intelligent image processing based on BWDSP 100+FPGA.This thesis about the system hardware and software from a study of two parts.The main work and innovations of the thesis are as follows:1、The first time use the domestic BWDSP as the main processor,combined with FPGA design of the front-end video capture module,high-speed video transmission module,high-definition video display module,real-time video capture,transmission and display,and can be 60 fps,24 bit,1080.2、Pioneered the use of FPGA-based high-speed link port 38 independent research and development designed to solve the problem of handling real-time video data.3、Make full use of the advantages of BWDSP hardware acceleration,combine the mixed programming method,and perform compilation optimization for some functions with slow processing speed and low parallelism.4、With three-layer stacking design,a single PCB can be up to 14 layers in order to minimize its hardware size,and a stable and reliable memory interface connector is used to facilitate debugging and later maintenance of the PCB.5.Combining the needs of localized technologies for cutting-edge technology at the present stage,the thesis has important practical significance in the military field of domestic drone video acquisition processing and radar signal processing.In conclusion,the high-definition video capture and processing system designed in this thesis can achieve the video requirements of 1080p/60fps,and support the real-time grayscale conversion,edge detection,image enhancement and other processing functions of video images.The system has a wide range of applications in the fields of micro-embedded,target tracking,and military image processing.