| 摘要 |
PROBLEM TO BE SOLVED: To dynamically change a measuring method in response to a situation for measuring an indication tool. SOLUTION: One of a measuring part 170B, a measuring part 170A and a measuring part 170C is determined based on reliability, out of the measuring part 170B for finding a positional posture in a world coordinate system of the indication tool, using a picked-up image including the indication tool, the measuring part 170A for finding the positional posture in the world coordinate system, based on a measured result output from a sensor for measuring a positional posture in a prescribed coordinate system of the indication tool and the picked-up image, and the measuring part 170C for finding the positional posture in the world coordinate system, using a change of the positional posture in the world coordinate system of the indication tool, and using the positional posture found in the past by the measuring part 170A or the measuring part 170B, and a result found by the determined measuring part is output to a fusion drawing part 190 in a virtual space by selection parts 160B, 160C. COPYRIGHT: (C)2005,JPO&NCIPI
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