The Digital Video Image Processing System Hardware Design And Simulation

The electronic endoscopes are the high-tech products incorporating electronic, optics and computer into a whole; it is widely used in modern medical treatment and industrial non-destructive testing area. The quality of pictures influences the result of the endoscope directly, because of the particular environment for use, improving the quality of the picture already becomes the principal contradiction of the development of the electronic endoscope. With the development of digital technology, the digitization of the analog signal has been the trend of the times, and the processing means of digital video are ripe now. Under this kind of background, this dissertation makes the study of digital video capturing, processing storing and controlling system to the digital video of the electronic endoscope.The dissertation is on the basis of the characteristic of electronic endoscope image, and widely survey the development of digital video capturing and processing system. According to the technical requirement for the system, make the design of system scheme and choose main chips; Divide the system into several pieces of module functionally, and discuss about the hardware design means and the scheme design to every module; Under the guidance of the integrality theory of the signal and digital circuit design theory of high speed PCB, completed the design of high speed system PCB, and carry on the imitation certification with the help of simulation software; test the system hardware and debugs the software and hardware, and propose some software design methods to make full use of the hardware.The system' s final debugging shows that, the systematic design plan is feasible and hardware system works normally, it can complete such functions as image capturing, simple image processing and system control, system is basically reach to the order performance index.