Dynamic image transmission system

Details Dynamic image transmission system Dynamic image transmission system

1989-07-07

1991-02-26

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 85, 358105, 379 53, H04N 712

Patent

active

049965948

ABSTRACT:
A dynamic image transmission system comprises an input part for inputting image data of an input image, a memory for storing the image data successively input from the input part and for storing transmitting image data which is to be transmitted, an extracting part for extracting a dynamic region which is a portion of the input image and contains a movement by comparing image data of the successive frames stored in the memory, a transmission part for transmitting the image data stored in the memory to a transmission path as the transmitting image data, and a control part for controlling operations of the extracting part and the transmission part during an image transmission mode. The image data related to a first frame of the input image is transmitted as the transmitting image data but only the image data within the extracted dynamic region is transmitted as the transmitting image data with respect to second and subsequent frames.

REFERENCES:
patent: 4494144 (1985-01-01), Brown
patent: 4703348 (1987-10-01), Yuasa
patent: 4774574 (1988-09-01), Daly
patent: 4827339 (1989-05-01), Wada

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