紫外成像仪研制系统中视频接口设计与实现  

Design and implementation of video port of ultraviolet imager system

作　　者：侯思祖[1] 贺佳玮 HOU Sizu;HE Jiawei(School of Electrical and Electronic Engineering,North China Electric Power University,Baoding 071003,China)

机构地区：[1]华北电力大学电气与电子工程学院,河北保定071003

出　　处：《现代电子技术》2020年第20期1-4,8,共5页Modern Electronics Technique

基　　金：国家重点研发计划(2018YFF01011900)。

摘　　要：针对高灵敏紫外成像仪国产化研发中视频接口数据采集与相机控制问题,设计可见光和紫外光接口转换板。首先,在整个系统中分别用可见光Sony相机和紫外相机采集视频信号,分别经LVDS接口和紫外接口接入到根据有效视频捕捉协议BT.1120,BT.656所选择芯片ADV7513搭建的视频转换板,并将转换板设计为HDMI接口形式接入海思平台,实现紫外成像仪的视频接入显示和相机控制功能在Linux系统上Qt图形界面的实现。经实验证明,该设计实现了紫外成像仪研制中有效视频的捕捉显示和双镜头控制的功能。In allusion to the problems of data collection and camera control of video port in the localization research and development of high sensitive ultraviolet imager,the visible light and ultraviolet port conversion board is designed.The video signal is collected by visible light Sony camera and ultraviolet camera in the system,and then the collected video signal is putted into the video conversion board through the LVDS port and ultraviolet port respectively,which is built with the chip ADV7513 selected by means of the effective video capture protocols BT.1120 and BT.656.The conversion board is designed as HDMI port form and is placed in the Hisilicon platform,so that the video access display and camera control functions of the ultraviolet imager are realized on Linux system Qt graphical interface.The experimental results show that the design of the effective video capture and display functions and dual⁃lens control function in the development of ultraviolet imager is realized.

关 键 词：紫外成像仪 视频接口设计 视频信号采集 视频转换板 视频接入显示 相机控制 

分 类 号：TN722.12-34[电子电信—电路与系统] TP274.2[自动化与计算机技术—检测技术与自动化装置]