| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To reproduce a land form and an object at an optional reproduction time point according to a designated viewpoint and view line direction, in a system for reproducing an on-site future or past view indicated by a mobile terminal of a user. <P>SOLUTION: A reproduction image request reception part 801 receives a reproduction image request including a position, a direction, and an inclination of the user mobile terminal, and the indicated reproduction time point, a reproduction land form extraction part 804 and a reproduction object extraction part 807 extract three-dimensional shape information of the land form and the object corresponding to the reproduction time point, a two-dimensional projection image generation part 809 generates a reproduction image wherein the land form object and the object form object are disposed in a virtual three-dimensional space, and a reproduction image transmission part 811 returns the reproduction image to the user terminal. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
