Image data compression transmission method utilizing a synchroni

Details Image data compression transmission method utilizing a synchroni Image data compression transmission method utilizing a synchroni

1992-07-16

1994-06-14

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Reduced time or bandwidth for static image communication

358405, 358409, 3582611, 3582621, 382 56, 375113, 375116, 358435, H04N 1419, H04N 1411, G06K 936

Patent

active

053215214

ABSTRACT:
An image data compression transmission method performs coding of image data into coded data line by line, by a predetermined coding process, adding a synchronizing code to the coded data and generating coded information data by means of a coder. A decoder extracts the synchronizing code from the coded information data, and initializes a decoding process at the receiving side. The decoder determines the validity of the coded information data received from the coder based on the synchronizing code extracted therefrom.
If the information data is invalid, then, the decoder performs error processing.

REFERENCES:
patent: 3546592 (1970-12-01), Mayo
patent: 4275466 (1981-06-01), Yamamoto
patent: 4694473 (1987-09-01), Etoh
patent: 4837634 (1989-06-01), Hisada
patent: 5057937 (1991-10-01), Muramatsu et al.

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