| 摘要 |
-33 Abstract METHOD, APPARATUS AND SYSTEM FOR SELECTING A FRAME A method of selecting a frame from a plurality of video frames captured by a camera 5 (120). The method determines features to which map points in a three dimensional space are projected. A histogram of the determined features for a plurality of regions in the frame is created. One of the regions may be determined as being an unmapped region based on the created histogram. The frame is selected based on the size of the unmapped region. "7QQA-}QAu,1 fDfnQ:flrf Cnci Ae Cilnel1 |
