Image transmission system

Details Image transmission system Image transmission system

1989-07-11

1991-08-06

Shepperd, John W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

H04N 1104

Patent

active

050382020

ABSTRACT:
An image transmission system includes a modulating part for independently modulating a luminance signal and two kinds of color difference signals and a demodulating part for independently demodulating the modulated luminance signal and the two kinds of modulated color difference signals. The demodulating part includes a signal correcting part for shifting at least one of the modulated luminance signal and the two kinds of modulated color difference signals by a predetermined number of picture elements in a scanning line direction to correct an error introduced by the modulation.

REFERENCES:
patent: 4141034 (1979-02-01), Netravili et al.
patent: 4258387 (1981-03-01), Lemelson et al.
patent: 4394774 (1983-07-01), Widergren et al.
patent: 4745473 (1988-05-01), Hall
patent: 4857992 (1989-08-01), Richards
Limb et al, Digital Coding of Color Picturephone Signals, by Element Differential Quantization, IEEE Transactions on Communication Technology, vol. COM-19, No. 6, Dec. 1971, pp. 992-1005.

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