Abstract
Aerial videos are effective to obtain the situation of a stricken area at disaster outbreak. It takes, however, much time and cost to analyze video contents for finding out the scene in which the damage of a watching point is confirmed. We have been developing a metadata generation method in which a necessary point in an aerial video is retrieved quickly by using aerial videos associated with moving camera data of positions and orientations. The positions and orientations of a moving camera are acquired by GPS and INS installed on a helicopter. We judge whether a destination is included in the view cone of a camera from orientations of a camera and a position of a destination to be it and calculate the time when a destination is recorded.
