Motion vector estimation in television images

Details Motion vector estimation in television images Motion vector estimation in television images

1988-05-31

1989-09-05

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358140, 358138, 358160, H04N 701

Patent

active

048643939

ABSTRACT:
Apparatus for motion vector estimation in a television image using a digitized signal representing the image, comprises a vector filter and a vector calculator for determining motion in the image at points spaced a predetermined number of pixels horizontally and a predetermined number of pixels vertically by a block matching technique, thereby to derive motion vectors, and a sub-pixel motion estimator for refining the selection of the motion vectors by determining a sub-pixel offset representing motion between fields of the image not equal to an integral multiple of the spacing between pixels.

REFERENCES:
patent: 4736248 (1988-05-01), Rosebrock
BBC Research Department Report 1987/11, "Television Motion Measurement for DATV and Other Applications"--G. A. Thomas.

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