Acquisition of 3D information for vanished structure by using only an ancient picture: Example of the old imperial theater
2015
Kunii, Y. (Tokyo University of Agriculture (Japan). Faculty of Regional Environment Science, Department of Landscape Architecture Science) | Sakamoto, R.
In order to acquire 3D information for reconstruction of vanished historical structure, grasp of 3D shape of such structure was attempted by using an ancient picture. Generally, 3D information of a structure is acquired by photogrammetric theory which requires two or more pictures. This paper clarifies that the geometrical information of the structure was obtained only from an ancient picture, and 3D information was acquired. This kind of method was applied for an ancient picture of the Old Imperial Theater. The Old Imperial Theater in the picture is constituted by two-point perspective. Therefore, estimated value of focal length of camera, length of camera to the Old Imperial Theater and some parameters were calculated by estimation of field angle, using body height as an index of length and some geometrical information. Consequently, 3D coordinate of 120 measurement points on the surface of the Old Imperial Theater were calculated respectively, and 3DCG modeling of the Old Imperial Theater was realized.
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