| 摘要 |
A user interface using a camera and a method thereof, wherein two or more images that were shot in time sequence are preprocessed to form NxM matrices, and then each element of the matrices are compared. The comparison is thus made (N+1)(M+1) times to select a result of the highest similarity and produce a motion vector. The interface and method help to produce more accurate motion vectors and to obviate inaccuracy that is yielded throughout low-pass filtering.
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