Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1997-07-07
2000-02-29
Rogers, Scott
Facsimile and static presentation processing
Static presentation processing
Attribute control
358533, 358536, H04N 152
Patent
active
060316268
ABSTRACT:
An improved display of a color image is achieved by an optimum placement of color dots using an efficient stochastic screening process in which display elements are formed according to a priority ranking of color and according to a spatial-priority matrix. Various combinations of basic colors are ranked in priority according to visibility such that elements in a stochastic screen are first formed for the most visible colors. The number of elements in the screen that are used to represent more than one basic color is minimized. In preferred embodiments, a spatial-priority matrix is used to control the placement of colors in a stochastic screen such that an optimally uniform distribution of colors is achieved. A process for generating a spatial priority matrix for display devices that do not have a one-to-one display aspect ratio is described.
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Ancin Hakan
Bhattacharjya Anoop
Li Chia-Hsin
Shu Joseph
Rogers Scott
Seiko Epson Corporation
Watson Mark P.
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