| 摘要 |
PROBLEM TO BE SOLVED: To present a geographical information in a computer while related to each part of an actual landscape image, to a user. SOLUTION: A landscape image is obtained with an image obtaining part 1, and a position at obtaining image is obtained with a position information obtaining part 2, and a camera angle, focal length, and landscape image size are obtained with a camera property information obtaining part 3. At a map information managing part 5, based on the obtained position, camera angle, focal length, and image size, a sight field space in the map information space is obtained, so that a structure present in the sight field space is obtained. At a label information generating means 6a, such label information as comprising a structure name, or its property information, and provided position is generated, and then at a label information outputting means 7A, map information's name or its property information is superimposed on the image corresponding to position information in the label information, and the superimposed image is outputted to a visual device. |
