Abstract
Abstract. Mobile augmented reality system is the next generation technology to visualise 3D real world intelligently. The technology is expanding at a fast pace to upgrade the status of a smart phone to an intelligent device. The research problem identified and presented in the current work is to view actual dimensions of various objects that are captured by a smart phone in real time. The methodology proposed first establishes correspondence between LiDAR point cloud, that are stored in a server, and the image t hat is captured by a mobile. This correspondence is established using the exterior and interior orientation parameters of the mobile camera and the coordinates of LiDAR data points which lie in the viewshed of the mobile camera. A pseudo intensity image is generated using LiDAR points and their intensity. Mobile image and pseudo intensity image are then registered using image registration method SIFT thereby generating a pipeline to locate a point in point cloud corresponding to a point (pixel) on the mobile image. The second part of the method uses point cloud data for computing dimensional information corresponding to the pairs of points selected on mobile image and fetch the dimensions on top of the image. This paper describes all steps of the proposed method. The paper uses an experimental setup to mimic the mobile phone and server system and presents some initial but encouraging results
Highlights
1.1 MotivationSmart phones are the most popular and common device nowadays because of their user friendly and portable advantages
The objective is to get the dimension of buildings and other objects over a captured mobile image using the LiDAR point cloud data stored in a server in near-real time
The foreground shows the intensity image while RGB image is in the background The results show that the registration performed using the method is satisfactory and reliable
Summary
1.1 MotivationSmart phones are the most popular and common device nowadays because of their user friendly and portable advantages. The focus of researchers and industry is to use the capabilities of a mobile to offer something beyond reality which is Mobile Augmented Reality System (MARS) With this technology a user is able to view information about an area in front of his mobile device helping him to get the location details, name of the street and other relevant information available. The idea of augmenting dimensions of buildings and other objects in the mobile’s field of view can help a mobile user to know measurements of various features in front of him This holds a good potential for personnel associated with construction and mining sites where it can provide a quick means of measurement which is highly interactive in nature. The objective is to get the dimension of buildings and other objects over a captured mobile image using the LiDAR point cloud data stored in a server in near-real time
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