US Patent 7139101 Anisotropic stochastic screen
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Patent Inventor Names
Beilei Xu0
Robert P. Loce0
Shen-ge Wang0
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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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US Patent 07139101 Anisotropic stochastic screen US Patent 7139101 Anisotropic stochastic screen
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Patent Number
071391010
Patent Number
71391010
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Patent Jurisdiction
Patent Number
071391010
Date of Patent
November 21, 2006
0Patent Application Number
102857160
Date Filed
October 31, 2002
0Official Website
Patent Primary Examiner
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US Patent 07139101 Anisotropic stochastic screen
Infobox
Is a
Patent jurisdiction
Patent number
07139101
Date of patent
November 21, 2006
Patent application number
10285716
Date Filed
October 31, 2002
Patent primary examiner
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