Abstract
Abstract. 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 Theatre. The Old Imperial Theatre in the picture is constituted by two-point perspective. Therefore, estimated value of focal length of camera, length of camera to the Old Imperial Theatre 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 Theatre were calculated respectively, and 3DCG modeling of the Old Imperial Theatre was realized.
Highlights
Japanese cultural heritage includes many kinds of historical structures such as temples, shrines, and private houses (Agency for Cultural Affairs)
3D coordinate of the camera position was assumed by theory of two-point perspective, and plane lengths (X, Y) of all measurement points were calculated
The 3D modeling for the theatre was performed by using these calculated 3D coordinates. 3D model of some parts were prepared by using the 3D data, and 3D model was constructed by using such parts and coordinates (Kunii and Kaneko, 2011)
Summary
Japanese cultural heritage includes many kinds of historical structures such as temples, shrines, and private houses (Agency for Cultural Affairs). Such heritage must be observed by landscape architects or researchers to conserve landscape assets. The photogrammetric theory can be applied by using multiple pictures (Gruen, et al, 2004), acquisition of the ancient multiple pictures for same structure is not possible. In these circumstances, acquisition of 3D information for vanished structure by using only an ancient picture was investigated. Grasp of 3D shape of the vanished structure was proposed, and the method will be became useful tool for reconstruction of fundamental landscape
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More From: The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
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