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    • 2. 发明授权
    • Halftoner block employing average values and shifts
    • 半平方块采用平均值和偏移
    • US08233196B1
    • 2012-07-31
    • US13205406
    • 2011-08-08
    • Douglas G. KeithleyRandall D. Briggs
    • Douglas G. KeithleyRandall D. Briggs
    • H04N1/405G06K15/00
    • H04N1/4052
    • Halftoning apparatus and method that may generate and employ average values and shifts are described herein. The apparatus may include an unpacker to determine shifts and average values for a plurality of input pixel values, each pair of average value and shift being associated with a corresponding pair of the input pixel values. The apparatus may further include a halftone core coupled to the unpacker to receive the shifts and the average values from the unpacker and to generate pairs of output pixel values based at least in part on the received shifts and average values, wherein the output pixel values are for generating pixels of an image.
    • 这里描述了可产生和应用平均值和偏移的半色调装置和方法。 该装置可以包括解包器以确定多个输入像素值的移位和平均值,每对平均值和移位与相应的一对输入像素值相关联。 该装置还可以包括耦合到解包器的半色调网络,以至少部分地基于接收到的移位和平均值来接收来自解包器的移位和平均值,并产生输出像素值对,其中输出像素值为 用于生成图像的像素。
    • 4. 发明授权
    • Method and apparatus for preventing print overruns by rasterizing complex page strips using an auxiliary processor
    • 用于通过使用辅助处理器光栅化复杂页面条来防止打印超出的方法和装置
    • US06359700B1
    • 2002-03-19
    • US09299833
    • 1999-04-26
    • Randall D. Briggs
    • Randall D. Briggs
    • G06K1502
    • G06K15/02G06K2215/0002
    • A page printer stores a page processing procedure that includes code for converting display commands to a rasterized image and further stores display commands allocated to plural page strips of a page. The page includes N page strips. The printer includes a print engine adapted to print one page per X units of time, an auxiliary processor adapted to operate in conjunction with said page processing procedure and a main processor. The main processor is operable in conjunction with the page processing procedure and (i) determines an amount of processing time required to process each page strip of a page into rasterized image data; and (ii) for a page strip whose processing time exceeds X/N units of time, determines if sufficient time is available, once the print engine commences printing said page, to convert the page strip from display commands to a rasterized image before the rasterized image is to be rendered by the print engine. If yes, the main processor assigns the page strip to be processed by the auxiliary processor. Otherwise, if the page strip processing time does not exceed X/N units of time, the main processor processes the page strip.
    • 页面打印机存储包括用于将显示命令转换为光栅化图像的代码的页面处理过程,并且还存储分配给页面的多个页条的显示命令。 该页面包括N页条。 打印机包括适于每X个时间单位打印一页的打印引擎,适于与所述页面处理过程结合操作的辅助处理器和主处理器。 主处理器可与页面处理过程结合操作,并且(i)确定将页面的每个页面条的处理时间量处理为光栅化图像数据; 和(ii)对于处理时间超过X / N个单位时间的页面条,一旦打印引擎开始打印所述页面,就确定是否有足够的时间,以便在光栅化之前将页面条带从显示命令转换成光栅化图像 图像将由打印引擎呈现。 如果是,主处理器分配要由辅助处理器处理的页条。 否则,如果页面处理时间不超过X / N个单位时间,则主处理器处理页面条。
    • 5. 发明授权
    • Method and apparatus for performing color plane adjustment
    • 执行色彩平面调整的方法和装置
    • US08599455B1
    • 2013-12-03
    • US13158178
    • 2011-06-10
    • Randall D. BriggsDouglas G. Keithley
    • Randall D. BriggsDouglas G. Keithley
    • G03F3/08G09G5/02
    • H04N1/608
    • A method and apparatus for performing color plane adjustment are provided. In one embodiment, an apparatus comprises a set of inputs for receiving a first input value and a second input value in a color space. The apparatus also comprises a color plane adjustment component operative to adjust the first input value and the second input value by amounts that depend on a distance of the first input value and second input value, respectively, from a value of neutral gray in the color space. The apparatus further comprises a set of outputs for outputting the adjusted first and second values. A related method and computer program are disclosed. Other embodiments are disclosed, and each of the embodiments can be used alone or together in combination.
    • 提供了一种用于进行色彩平面调整的方法和装置。 在一个实施例中,装置包括用于在颜色空间中接收第一输入值和第二输入值的一组输入。 该装置还包括一个颜色平面调整组件,可操作以分别根据第一输入值和第二输入值的距离,从颜色空间中的中性灰度值来调整第一输入值和第二输入值 。 该装置还包括一组用于输出调整的第一和第二值的输出。 公开了相关方法和计算机程序。 公开了其它实施例,并且每个实施例可以单独使用或组合使用。
    • 9. 发明授权
    • Halftoner block employing average values and shifts
    • 半平方块采用平均值和偏移
    • US07995244B1
    • 2011-08-09
    • US11780353
    • 2007-07-19
    • Douglas G. KeithleyRandall D. Briggs
    • Douglas G. KeithleyRandall D. Briggs
    • H04N1/405G06K15/00
    • H04N1/4052
    • Halftoning apparatus and method that may generate and employ average values and shifts are described herein. The apparatus may include an unpacker to determine shifts and average values for a plurality of input pixel values, each pair of average value and shift being associated with a corresponding pair of the input pixel values. The apparatus may further include a halftone core coupled to the unpacker to receive the shifts and the average values from the unpacker and to generate pairs of output pixel values based at least in part on the received shifts and average values, wherein the output pixel values are for generating pixels of an image.
    • 这里描述了可产生和应用平均值和偏移的半色调装置和方法。 该装置可以包括解包器以确定多个输入像素值的移位和平均值,每对平均值和移位与相应的一对输入像素值相关联。 该装置还可以包括耦合到解包器的半色调网络,以至少部分地基于接收到的移位和平均值来接收来自解包器的移位和平均值,并产生输出像素值对,其中输出像素值为 用于生成图像的像素。
    • 10. 发明授权
    • Method and apparatus for performing color plane
    • 执行彩色平面的方法和装置
    • US07965429B1
    • 2011-06-21
    • US11811687
    • 2007-06-11
    • Randall D. BriggsDouglas G. Keithley
    • Randall D. BriggsDouglas G. Keithley
    • G03F3/08H04N1/46G06K9/00G09G5/02
    • H04N1/608
    • A method and apparatus for performing color plane adjustment are provided. In one embodiment, an apparatus comprises a set of inputs for receiving a first input value and a second input value in a color space. The apparatus also comprises a color plane adjustment component operative to adjust the first input value and the second input value by amounts that depend on a distance of the first input value and second input value, respectively, from a value of neutral gray in the color space. The apparatus further comprises a set of outputs for outputting the adjusted first and second values. A related method and computer program are disclosed. Other embodiments are disclosed, and each of the embodiments can be used alone or together in combination.
    • 提供了一种用于进行色彩平面调整的方法和装置。 在一个实施例中,装置包括用于在颜色空间中接收第一输入值和第二输入值的一组输入。 该装置还包括一个颜色平面调整组件,可操作以分别根据第一输入值和第二输入值的距离,从颜色空间中的中性灰度值来调整第一输入值和第二输入值 。 该装置还包括一组用于输出调整的第一和第二值的输出。 公开了相关方法和计算机程序。 公开了其它实施例,并且每个实施例可以单独使用或组合使用。