Apparatus for detecting a movement vector or an image by detecti

Details Apparatus for detecting a movement vector or an image by detecti Apparatus for detecting a movement vector or an image by detecti

1995-03-13

1998-03-31

Kostak, Victor R.

Television

Image signal processing circuitry specific to television

Motion dependent key signal generation or scene change...

348208, 348699, 382107, H04N 514

Patent

active

057344418

ABSTRACT:
A movement vector detection apparatus includes a detecting circuit for detecting a movement vector of an image in accordance with the amount of change in an image density value over a determined time at an arbitrary position of an image and a space gradient of an image signal at the arbitrary position, and a setting circuit for suitably setting a dimension and a shape of a unit operation area to output the movement vector in response to a space frequency of the input image.

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