Arrangement of encoding motion image signals using motion compen

Details Arrangement of encoding motion image signals using motion compen Arrangement of encoding motion image signals using motion compen

1993-01-21

1994-03-15

Mancuso, Joseph

Image analysis

Histogram processing

For setting a threshold

382 21, 382 41, 348416, G06K 920

Patent

active

052952010

ABSTRACT:
A plurality of frame image signals are successively applied to an image signal encoder. A motion region of an incoming frame image signal is extracted and then approximated in shape to a polygon. The vertices of the polygon are determined and then the coordinate values of the vertices are calculated and transmitted. Further, in the event that the incoming image signal includes a region which is required to undergo orthogonal transformation, the region are extracted and then divided into a plurality of small regions. Following, each of the divided small regions is approximated in shape to a polygon and then the vertices thereof are detected. Subsequently, the coordinate values of the vertices are calculated and then transmitted. Consequently, the data to be transmitted can effectively be reduced.

REFERENCES:
patent: 4827532 (1989-05-01), Gloomstein
patent: 5157732 (1992-10-01), Ishii et al.
patent: 5173771 (1992-12-01), Kitazato
patent: 5173772 (1992-12-01), Choi
patent: 5177794 (1993-01-01), Abe et al.

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