| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method, apparatus and system for model-based playfield registration. <P>SOLUTION: An input video image is processed. The processing of the video image includes extracting key points related to the video image. Furthermore, whether enough key points related to the video image have been extracted is determined, and a direct estimation of the video image is performed when enough key points have been extracted and then, a homograph matrix of a final video image based on the direct estimation is generated. <P>COPYRIGHT: (C)2011,JPO&INPIT |
