To a method and apparatus provide automatically the dolly zoom effect

摘要

[problem] in order to run a dolly zoom effect, to provide a variety of methods for adjusting the zoom function automatically in accordance with the movement of the camera. A One exemplary method includes the steps of receiving a first image frame comprising two or more interest points from the video data, the two at different positions from the video data a step of reception of the second image frame having the above interest point, the steps of the differences in position of the two or more interest points, tracks from the first image frame to the second image frame, it can contain. The method can also include calculating a scaling factor, and applying the scaling factor in the second image frame.FIELD 4