State-space based modeling of pixel elements of a...

Details State-space based modeling of pixel elements of a... State-space based modeling of pixel elements of a...

2008-05-20

2008-05-20

Poon, King Y. (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S003020, C358S504000, C358S518000, C358S532000

Reexamination Certificate

active

07375851

ABSTRACT:
The color management system comprises a state-space based model for a pixel element in a dynamically varying color marking device. A sensor measures the color of the printed output for construction of a selected set of sensitivity functions representative of color output relating to inputs. The gradients of the sensitivity functions are extracted and used to develop the corresponding discrete multivariable state-space model of the pixel element. More particularly, the model is constructed from the Jacobian matrix characterizing a change in measured color output for a change in input color values of the pixel. Extension of modeling methodology for a single pixel is applied to multiple pixel elements.

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