DEVELOPMENT OF HYBRID VIDEO THEODOLITE AND APPLICATION FOR 3D MODELING OF PANORAMIC OBJECTS
Hirofumi CHIKATSU, Tetsuji Anai · 2000
Digital archives or VR museums for structures of architectural significance and objects of importance to the World’s cultural heritage have recently received more attention. However, there are some issues for effective operational of digital archives or VR museums. These problems include real-time imaging, spatial data acquisition, and modeling. In particular, efficient spatial data acquiring techniques in a site should be developed or investigated. With this objective, and for multiple applications such as human motion analysis, auto-tracking, real-time positioning and so on, Hybrid Video Theodolite (HVT) system was developed by the authors consisting of 6 parts: sensor, pan head and tilt body, imaging, recording, control and monitor. The most remarkable points of this HVT system are its ability to obtain synchronized stereo image sequences and rotation parameters in real-time while tracking a moving object. As for further additional point of this system, automated camera calibration without target can be achieved. This paper describes the HVT system, and investigates the effectiveness of this system for 3D modeling of panoramic objects in architecture and archeology.