Method for emphasizing sharpness in picture scanning recording t

Details Method for emphasizing sharpness in picture scanning recording t Method for emphasizing sharpness in picture scanning recording t

1986-02-07

1987-06-09

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358282, 382 54, H04N 140

Patent

active

046724630

ABSTRACT:
In a method for emphasizing sharpness in picture scanning recording time in a picture reproducing machine a central picture signal obtained by scanning an original picture according to the scanning sequence and peripheral picture signals of the central picture signal which are appropriately weighted are added to the central signal and averaged to obtain vignette signals, and they are appropriately calculated for emphasizing sharpness of the picture signal. In the method as the peripheral picture signals desired numbers of continuous picture signals are selected by centering the central signal in the main scanning and the sub-scanning directions independently.

REFERENCES:
patent: 4517607 (1985-05-01), Ohkoucki et al.
patent: 4612584 (1986-09-01), George

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