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    • 11. 发明申请
    • CONTONE DOMAIN COLOR PIXEL COUNTING FOR COLOR AREA COVERAGE BASED BILLING
    • 用于彩色区域覆盖的触摸屏颜色像素计数
    • US20130311403A1
    • 2013-11-21
    • US13473250
    • 2012-05-16
    • Meng YAOXing Li
    • Meng YAOXing Li
    • G06Q30/00
    • G06Q30/06H04N1/56
    • Disclosed herein are a method and a system implementing the method for billing using color pixel counting in documents or image in the contone domain. The method includes using the intensity or density levels (e.g., 0 to 255) for each color of each pixel of interest in the contone domain to calculate one or more probability values that one or more output colorants are provided at its location in the binary domain. The probabilities determined based on the contone color domain data are used to estimate an overall area coverage of color pixels in the document, which can be used to determine a billing structure or cost for outputting the document.
    • 本文公开了一种方法和系统,其实现使用连续色调域中的文档或图像中的彩色像素计数的计费方法。 该方法包括对连续色谱域中感兴趣的每个像素的每个颜色使用强度或浓度水平(例如,0至255)来计算一个或多个在二值域中的位置处提供一个或多个输出着色剂的概率值 。 基于连续色域数据确定的概率用于估计文档中彩色像素的总面积覆盖率,其可用于确定用于输出文档的计费结构或成本。
    • 12. 发明申请
    • SYSTEM AND METHOD FOR ENHANCING THE DENSITY OF BLACK
    • 用于增强黑色密度的系统和方法
    • US20120069357A1
    • 2012-03-22
    • US12884311
    • 2010-09-17
    • Meng Yao
    • Meng Yao
    • H04N1/60
    • H04N1/407H04N1/6022
    • A computer-implemented method and system for enhancing black density of a halftoned bitmap are provided. The method includes receiving a halftoned bitmap into computer memory, and, using a computer, identifying at least one black-only pixel in the halftoned bitmap. The method further includes for each of the identified black-only pixels, identifying at least one black-only pixel as a candidate for adding color based at least in part on the location of the black-only pixel with respect to an edge in the halftoned bitmap, modifying the halftoned bitmap by adding color to at least one of the candidate black-only pixels, and outputting the modified halftoned bitmap.
    • 提供了一种用于增强半色调位图的黑色密度的计算机实现的方法和系统。 该方法包括将半色调位图接收到计算机存储器中,并且使用计算机识别半色调位图中的至少一个仅黑色像素。 该方法还包括针对每个识别的仅黑色像素,至少部分地基于黑色像素相对于半色调像素中的边缘的位置,将至少一个仅黑色像素识别为用于添加颜色的候选 位图,通过将颜色添加到候选的仅黑色像素中的至少一个来修改半色调位图,并输出修改的半色调位图。
    • 13. 发明申请
    • REDUCING PRINTHEAD PROCESS COLOR NON-UNIFORMITIES IN A DIRECT MARKING DEVICE
    • 减少打印过程颜色的非均匀性在直接标记设备
    • US20090284762A1
    • 2009-11-19
    • US12122762
    • 2008-05-19
    • YEQING ZHANGHOWARD A. MIZESMENG YAOSUSAN J. ZOLTNER
    • YEQING ZHANGHOWARD A. MIZESMENG YAOSUSAN J. ZOLTNER
    • H04N1/60
    • H04N1/58
    • What is disclosed is a novel system and method for reducing process color banding due to printhead non-uniformities in a direct marking device. In one example, a first measurement of a printhead spatial non-uniformity is obtained along a first line in a color space which produces a spatial uniformity when a target primary color is printed alone. A first spatial tone reproduction curve is generated. A second measurement of the printhead spatial non-uniformity is obtained along a second line in color space in a coverage area of a process color which maximally changes a halftone structure of the target primary color. A second spatial TRC is generated. The first and second spatial TRCs are combined using a weighted average which balances the primary and process colors. A modified spatial TRC is generated. The printhead is adjusted at a location of the target primary color according to the modified spatial TRC.
    • 公开的是一种用于在直接标记装置中由于打印头不均匀性而减少处理颜色带的新型系统和方法。 在一个示例中,当单独打印目标原色时,沿着产生空间均匀性的颜色空间中的第一行获得打印头空间不均匀性的第一测量。 产生第一空间色调再现曲线。 在最大程度上改变目标原色的半色调结构的处理颜色的覆盖区域中,沿色彩空间中的第二行获得打印头空间不均匀性的第二测量。 产生第二空间TRC。 第一和第二空间TRC使用平衡主要和过程颜色的加权平均数进行组合。 生成修改后的空间TRC。 根据改进的空间TRC,将打印头调整到目标原色的位置。
    • 14. 发明申请
    • Generating and merging two halftoned images
    • 生成和合并两个半色调图像
    • US20090147019A1
    • 2009-06-11
    • US11953617
    • 2007-12-10
    • Meng Yao
    • Meng Yao
    • G09G5/02
    • H04N1/52H04N1/387H04N1/405
    • 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.
    • 一种产生位图的方法,包括使用第一随机半色调屏幕组绘制第一图像的位图,使用第二随机半色调屏幕集合绘制第二图像的位图,其中第一 半色调屏幕组和第二半色调屏幕组分别具有相关联的随机半色调屏幕,并且其中第二半色调屏幕集合的每个半色调屏幕小于100%相关,而不是与 ,第一半色调屏幕组的相关半色调屏幕; 并将第一图像的位图与第二图像的位图合并。
    • 15. 发明申请
    • GAMUT MAPPING
    • 游戏映射
    • US20090128835A1
    • 2009-05-21
    • US11943079
    • 2007-11-20
    • Meng YAO
    • Meng YAO
    • G06F15/00
    • G09G5/02G06T7/90H04N1/6058
    • A mapping technique is disclosed that maps color image data of an image displayed on a first image display device to output color image data for display on a second image display device. This mapping technique maps the color gamut of the first image display device to the color gamut of the second image display device while controlling one or more characteristics of the color image data, and generates one or more lookup tables that correspond to the gamut mapping, for example. The color image data is then mapped to the output color image data based on the lookup tables.
    • 公开了一种映射技术,其映射显示在第一图像显示装置上的图像的彩色图像数据,以输出彩色图像数据,以在第二图像显示装置上显示。 该映射技术将第一图像显示装置的色域映射到第二图像显示装置的色域,同时控制彩色图像数据的一个或多个特性,并且生成与色域映射相对应的一个或多个查找表,对于 例。 然后基于查找表将彩色图像数据映射到输出彩色图像数据。
    • 16. 发明授权
    • Color printing
    • 彩色印刷
    • US07508558B2
    • 2009-03-24
    • US11132747
    • 2005-05-18
    • Meng YaoTrevor J. Snyder
    • Meng YaoTrevor J. Snyder
    • G03F3/08H04N1/46G06K9/00G06K15/00
    • H04N1/6022
    • A method of processing cyan, magenta, and yellow color values C1, M1, Y1 including transforming the C1, M1, Y1 color values to cyan, magenta, and yellow color values C, M, Y in such a manner that each of C, M, Y is not greater than a predetermined maximum value VMAX; obtaining blue, cyan and magenta output color values B, Cout, Mout by setting B=0, Cout=C, and Mout=M; if the sum C+M is greater than VMAX, obtaining blue, cyan and magenta output color values B, Cout, Mout such that B+Cout+Mout=VMAX; and half-toning B, Cout, Mout and Y using a first threshold array A1 for B, Cout and Mout, and a second threshold array A2 for Y.
    • 包括处理青色,品红色和黄色颜色值C1,M1,Y1的方法,包括将C1,M1,Y1颜色值变换为青色,品红色和黄色颜色值C,M,Y,使得C, M,Y不大于预定最大值VMAX; 通过设置B = 0,Cout = C和Mout = M获得蓝色,青色和品红色输出颜色值B,Cout,Mout; 如果总和C + M大于VMAX,则获得蓝色,青色和品红色输出颜色值B,Cout,Mout,使得B + Cout + Mout = VMAX; 使用B,Cout和Mout的第一阈值阵列A1和Y的第二阈值阵列A2对半色调B,Cout,Mout和Y进行半色调。