Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Beilei Xu0
Robert P. Loce0
Shen-ge Wang0
Date of Patent
November 21, 2006
0Patent Application Number
102857160
Date Filed
October 31, 2002
0Patent Primary Examiner
Patent abstract
A system and method for the halftoning of gray scale images by utilizing a pixel-by-pixel comparison of the image against an anisotropic stochastic screen is disclosed. The anisotropic stochastic screen comprises a non-deterministic, non-white noise function which, when thresholded, is designed to produce anisotropic dot patterns having a power spectrum characterized as having negligible low frequency components and a high-frequency region which has an absence of stronger dominant spikes.
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