Method of correcting image errors

Details Method of correcting image errors Method of correcting image errors

1988-07-12

1989-02-21

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 13, 358167, H04N 514, H04N 521

Patent

active

048070327

ABSTRACT:
A method of correcting image errors in the transmission of difference pulse code modulated (DPCM) coded image signals, in which image signal values of only a small number of image lines are intermediately stored at the receiving end, provides an error trail recognition and the replacement of the adulterated image signal values by correction values.

REFERENCES:
patent: 3825680 (1974-07-01), Verhoeven
patent: 4403250 (1983-09-01), Kellar
patent: 4626891 (1986-12-01), Achiha
patent: 4651211 (1987-03-01), Weckenbrock
"Digitale Magnetbandaufzeichnung von Video-und Audiosignalen auf einem Videocassetten-recorder," Westerkamp, 10 Jahrestagung der FKTG, Sep. 1982, pp. 326-348.

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