Facsimile and static presentation processing – Facsimile – Facsimile measuring – testing – or calibrating
Reexamination Certificate
2006-08-31
2008-10-28
Safaipour, Houshang (Department: 2625)
Facsimile and static presentation processing
Facsimile
Facsimile measuring, testing, or calibrating
C358S504000, C382S274000, C250S208100
Reexamination Certificate
active
07443546
ABSTRACT:
A method for generating a calibration curve is disclosed. The method comprises the following steps. Calibration data of one line image of a previous scan are first provided. Reference pixels are selected from the image line. Then a calibration board is scanned and calibration data of the reference pixels are generated. Calibration data of the reference pixels of a previous scan are then selected from the calibration data of one image line of a previous scan. Ratios of the calibration data of the reference pixels and the calibration data of the reference pixels of a previous scan are calculated. Calibration data of all pixels of the image line are finally generated by multiplying the calibration data of the image fine of a previous scan and the ratios.
REFERENCES:
patent: 5062144 (1991-10-01), Murakami
patent: 5266804 (1993-11-01), Shimizu
patent: 5801962 (1998-09-01), Sheu et al.
Safaipour Houshang
Stolowitz Ford Cowger LLP
Transpacific IP Ltd.
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