| 摘要 |
PROBLEM TO BE SOLVED: To provide an image processor which superposes a virtual object over an image in an actual space.SOLUTION: The image processor includes a camera for obtaining moving image data. The image processor detects feature points for long-term tracking at intervals of the prescribed number of frames of moving image data, detects feature points for short-term tracking with respect to all frames of the moving image data, performs inter-frame feature point tracking on the basis of respective feature quantities of feature points for long-term tracking detected from two different frames, performs inter-frame feature point tracking by block matching based on neighboring brightness values of feature points for long-term tracking detected from two different frames or feature points for short-term tracking, estimates the position and posture of the camera in a three-dimensional space on the basis of tracked feature points, estimates three-dimensional positions of feature points on the basis of the tracked feature points and the estimated position and posture of the camera in the three-dimensional space, and superimposes virtual object data input from the outside on the moving image data to output the data on the basis of estimated camera position information and posture information in the three-dimensional space and three-dimensional position information of feature points. |
