Augmented Reality Geographic Information System(ARGIS) applications can only provide users accurate content services with a highly precise geo-registration.However,the absolute 6DOF(Degree of Freedom) pose provided by...Augmented Reality Geographic Information System(ARGIS) applications can only provide users accurate content services with a highly precise geo-registration.However,the absolute 6DOF(Degree of Freedom) pose provided by the portable sensors is usually inaccurate in urban outdoors,resulting in poorly geo-registration accuracy for ARGIS applications.Aiming at this issue,an automatic vision-aided localization method based on the 2D map is proposed to improve the initial localization accuracy of the portable sensors,and an overall geo-registration optimization framework for outdoor ARGIS is proposed.Based on the initial pose provided by the sensors,the basic principles of the vision-aided localization method are expounded in detail.The experimental results show that the proposed method can effectively correct the initial pose obtained by the pose sensors,and improve the geo-registration accuracy of outdoor ARGIS applications ultimately.展开更多
地理信息系统(Geographical Information System,GIS)和增强虚拟现实技术(Augment Reality,AR)相结合,构建了增强现实地理信息系统(ARGIS).本文从基于计算机视觉的三维注册技术、基于空间位置信息的三维注册技术两个方面,对ARGIS的研究...地理信息系统(Geographical Information System,GIS)和增强虚拟现实技术(Augment Reality,AR)相结合,构建了增强现实地理信息系统(ARGIS).本文从基于计算机视觉的三维注册技术、基于空间位置信息的三维注册技术两个方面,对ARGIS的研究现状进行阐述,并对ARGIS未来发展进行展望,为更完备、高效的ARGIS的建立、发展和应用提供参考.展开更多
文摘Augmented Reality Geographic Information System(ARGIS) applications can only provide users accurate content services with a highly precise geo-registration.However,the absolute 6DOF(Degree of Freedom) pose provided by the portable sensors is usually inaccurate in urban outdoors,resulting in poorly geo-registration accuracy for ARGIS applications.Aiming at this issue,an automatic vision-aided localization method based on the 2D map is proposed to improve the initial localization accuracy of the portable sensors,and an overall geo-registration optimization framework for outdoor ARGIS is proposed.Based on the initial pose provided by the sensors,the basic principles of the vision-aided localization method are expounded in detail.The experimental results show that the proposed method can effectively correct the initial pose obtained by the pose sensors,and improve the geo-registration accuracy of outdoor ARGIS applications ultimately.
文摘地理信息系统(Geographical Information System,GIS)和增强虚拟现实技术(Augment Reality,AR)相结合,构建了增强现实地理信息系统(ARGIS).本文从基于计算机视觉的三维注册技术、基于空间位置信息的三维注册技术两个方面,对ARGIS的研究现状进行阐述,并对ARGIS未来发展进行展望,为更完备、高效的ARGIS的建立、发展和应用提供参考.
