海空背景下基于双目视觉的目标测距新方法  

New Ranging Method Using Binocular Vision

作　　者：孙少杰 杨晓东[1] 

机构地区：[1]海军潜艇学院航海观通系,山东青岛266042

出　　处：《中国航海》2015年第2期5-8,共4页Navigation of China

基　　金：总装备部预先研究项目(513240202)

摘　　要：结合海空背景特点和双目视觉测量需求,提出一种基于海天线的双目图像校准方法。采用Sobel算子对图像进行边缘检测并作二值化处理,利用Hough变换算法提取和定位海天线,根据参数空间返回的参数值对图像进行旋转和平移变换。试验结果表明:运用该方法能有效实现双目图像对的行对准。在此基础上,基于双目视差测距原理完成海面目标距离的测量,测距结果表明:对于500 m远的目标,相对测距误差<5%,能够满足一定场合的应用需求。Targeting on the binocular vision ranging, a binocular image rectification method using the features of sea-sky line images is proposed. The image edge is detected with Sobel operator and binarized and the sea-sky line is extracted and located by means of Hough algorithm. The target images are aligned through translation and rotation according to the feed back data from parameter space to achieve distance measurement with the sea-sky line as the reference. The experiment of maritime object ranging based on binocular vision principle show that the relative error is below 5% within a distance of 500 m.

关 键 词：船舶工程 双目视觉 海天线 边缘检测 图像校准 测距 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术]