摘要
面向高清视频的数字化处理技术不断发展,以芯片或板卡形式的产品不断推出,而任何一个新技术或新产品的研发都需要不断的探索与修正,从成本与效率的角度考虑,一个可重配置的全方位实验平台具有非常重要的意义。所述设计采用了Xilinx Zynq7000系列SoC芯片作为核心处理器,兼有多种视频输入输出接口,配备DDR3高速视频缓存及程序执行缓存,为数字视频处理提供了一个便捷的实验平台,支持技术与产品的前期开发与验证。同时,结合6个在平台上进行的实验,充分展现了该设计的可靠性与实用性。3种不同Gamma值校正、4种亮度对比度搭配、图像叠加显示、视频输入输出以及摄像头视频输入的多分辨率处理等实验结果的效果图均表明该设计是一个面向高清数字视频提供集采集、接收、处理、显示多方面功能为一体的实验平台。
Digital processing technology for HD video is constantly developing,and products in the form of chips or boards are constantly launched.However,the research and development of any new technology or new product needs constant exploration and correction.From the perspective of cost and efficiency,a reconfigurable all-round experimental platform is of great significance.The design described in this paper adopts Xilinx Zynq7000 series SoC chip as the core processor,combines a variety of video input and output interfaces,and is equipped with DDR3 high-speed video cache and program execution cache,providing a convenient experimental platform for digital video processing,and supporting the preliminary development and verification of technology and products.At the same time,this paper combines 6 experiments on the platform to fully demonstrate the reliability and practicability of the design.The experimental result diagrams of three different Gamma value correction,four kinds of brightness contrast collocation,image overlay display,video input,video output and multiresolution processing of video all show that this design is an experimental platform which offers acquisition,receiving,processing and display functions for HD video.
作者
王娜
刘一清
Wang Na;Liu Yiqing(School of Communication and Electronic Engineering,East China Normal University,Shanghai 200241,China)
出处
《电子测量技术》
2020年第7期124-128,共5页
Electronic Measurement Technology
