Application Research On Key Technique Of Video Processing Based On Hisense HS2501

With the development of technology and people's increasing requirement, the digital system is being used in more and more fields, especially in the fields of vedio. The launch of VPE1X, which was the first generation video processing chip developed by Hisense, has made it a breakthrough. The second-generation chip, HS2501, has been launched this year. It is integrated additional functions and to optimize the processing technology.The key problems of technologies were studied in this thesis,which were involved in the design, development and application of the HS2501 and proposes reasonable solutions. The thesis is mainly composed of five parts: firstly, the vedio digital process system and its general developping method is introduced, and then the whole design scheme is brought forward using the concept of software-hardware codesign; secondly, the HS2501, which is of vedio kernel, is chosen as the kernel of hardware platform, which adopts the module-design method, and after other devices having been chosen out to meet the need of system parameter, the module circuit comes up; thirdly, the process of PCB design and hardware debugging are introduced and the key problems encountered in the procedure are discussed, as well as the corresponding solutions; following that is the picture improvement design, including the module debugging; after the hardware-software codesign and debugging, combined with the application, a method of applying the nonstandard signal is proposed. Summary is made at the end of the thesis and the further research direction is proposed.