Motion vector detection apparatus and predictive coding system f

Details Motion vector detection apparatus and predictive coding system f Motion vector detection apparatus and predictive coding system f

1997-06-05

2000-11-14

Britton, Howard

Television

Image signal processing circuitry specific to television

Motion vector generation

382236, G06T 720, H04N 732

Patent

active

061477184

ABSTRACT:
A reference frame block from a memory is supplied to a feature extraction circuit and a search frame block from a separate memory is supplied to a feature extraction circuit. Within the extraction circuits, the frame blocks are divided into minor blocks and the integration of all pixels for each minor block gives a matching element. A matching process with the matching elements from the extraction circuits provides a frame motion vector. Data division circuits divide the matching elements provided from the extraction circuits into odd- and even-field matching elements, and the matching process with the odd- and even-field matching elements provides odd- and even-field motion vectors. This eliminates the need for a feature extraction circuit when obtaining field matching elements.

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