图像辅助智能终端定位的国内外研究进展

摘要

图像含有丰富的目标信息,被获取并处理后用于一种新型的智能终端定位手段.对图像定位的相关概念进行介绍,对关键技术的研究情况进行评述,并分别从图像定位作为独立的定位系统和图像定位与全球导航卫星系统(Global Navigation Satellite System,GNSS)及惯性导航系统(Inertial Navigation System,INS)等其他定位方法融合的定位系统2个方面阐述其研究进展,在此基础上提出图像辅助智能终端定位研究中存在的问题及发展方向.%Image containing target color, texture, shape and other rich information has been successfully demonstrated to locate the smartphones for a new positioning means. Image-aided positioning includes absolute position and relative positioning. This paper introduces concepts of Image-aided position,and research of key technologies(coordinate frame,camera calibration,features detection and matching,pattern recognition and pose estimation). Further the two positioning systems are reviewed including stand-alone image-aided positioning and fusion of Global Navigation Satellite System (GNSS),Inertial Navigation System (INS) and others. Finally,the existing problems and prospects for the near future in terms of experiment and application are analyzed.