Optimal reconstruction of tone reproduction curve

Details Optimal reconstruction of tone reproduction curve Optimal reconstruction of tone reproduction curve

1996-11-21

1999-10-05

Le, N.

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B41J 247

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059632445

ABSTRACT:
A method of machine control including the recreation of a tone reproduction curve by providing a look up table. The look up table incorporates a covariance matrix of elements containing n tone reproduction samples. A matrix multiplier responds to sensed developed patch samples and to the look up table to reproduce a complete tone reproduction curve. A control reacts to the reproduced tone reproduction curve to adjust machine quality.

REFERENCES:
patent: 4698669 (1987-10-01), Sekisawa et al.
patent: 5018008 (1991-05-01), Asada
patent: 5315413 (1994-05-01), Yamamoto et al.
patent: 5450165 (1995-09-01), Henderson
patent: 5771311 (1998-06-01), Arai

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