| 摘要 |
To be able to cope with the high video signal data rates which occur in a high definition video signal, a recursive video signal processor for estimating motion vectors demultiplexes the incoming video signal into four adjacent quadrants which are each processed by four separate motion estimators. The video signal processor comprises selectors to apply prediction vectors from the present quadrant and from adjacent quadrants to each motion estimator. Preferably, the lower quadrants C and D are processed one active field later than the upper quadrants A and B, while the right quadrants B and D are processed one active line later than the left quadrants A and C. Preferably, adjacent quadrants show a partial overlap. <IMAGE> |
