Generating and merging two halftoned images,申请号US200711953617-传众专利搜索

Generating and merging two halftoned images

申请公布号：US8872841(B2)

申请号：US200711953617

申请日期：2007.12.10

申请公布日期：2014.10.28

申请人：

Xerox Corporation

发明人：Yao Meng

分类号：G09G5/02;G09G5/10;G09G3/36;H04N1/405;H04N1/46;G06K9/46;H04N1/387;H04N1/52

主分类号：G09G5/02

代理机构：

Fay Sharpe LLP

代理人：Fay Sharpe LLP

地址：Norwalk CT US

摘要：A method of producing a bit-map including rendering a bit-map of a first image using a first stochastic half-tone screen set, rendering a bit-map of a second image using a second stochastic half-tone screen set, wherein the first half-tone screen set and the second half-tone screen set have respectively associated stochastic half-tone screens, and wherein each half-tone screen of the second half-tone screen set is less than 100 percent correlated with, and not an inverse of, the associated half-tone screen of the first half-tone screen set; and merging the bit-map of the first image with the bit-map of the second image.

主权项：1. A method of producing a bit-map comprising: rendering by a processor a bit-map of a first image using a first stochastic half-tone screen set; rendering by the processor a bit-map of a second image using a second stochastic half-tone screen set, wherein the first half-tone screen set and the second half-tone screen set have respectively associated stochastic half-tone screens, and wherein each screen of the second half-tone screen set is less than 100 percent correlated with, and not an inverse of, the associated screen of the first half-tone screen set; and merging by the processor the bit-map of the first image with the bit-map of the second image, including: applying non-white pixels of a screen of the second half-tone screen set at only white pixel locations of a screen of the first half-tone screen set based on coverage levels of the half-tone screens, wherein a basis includes that the screen of the second half-tone screen set has a coverage level less than a first threshold value and a screen of the first half-tone screen set is at a second threshold, wherein the first threshold is less than the second threshold.