面向屏幕拼接的数字视频插值算法及FPGA实现

Digital visual interpolation algorithm for screen splicing and implementation of FPGA

针对多屏幕拼接显示系统中高分辨率、高清晰、低失真的显示需求,提出了一种基于FPGA实现的实时视频处理算法。在介绍了DVI接口屏幕拼接显示的系统结构及FPGA算法的主要功能后,针对算法处理对象具有视频像素流的特点,重点讨论了实时数字视频像素流的分割算法和基于滑动窗口的插值放大算法的实现。实验结果表明,该算法能够满足屏幕拼接显示的需求。

Aimed at the requirement of super-resolution, high definition, distortion-free in multi-screen splicing display system, a realtime digital video processing algorithm based on FPGA is proposed. After introducing the architecture of DVI interface screen splicing display system and function of the FPGA algorithm, according to the characteristic of video pixel streams, it is discussed the partition algorithm of real-time digital visual pixel streams, and the interpolation algorithm based on moving window operator. By verification, the algorithm can fulfill requirement of screen splicing display system. At last, the further research work is provided.