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    • 7. 发明申请
    • DIGITAL PRINTING USING SIMILAR COLORANTS
    • 使用类似颜色的数字打印
    • US20100141970A1
    • 2010-06-10
    • US12330552
    • 2008-12-09
    • Douglas W. CouwenhovenKevin E. Spaulding
    • Douglas W. CouwenhovenKevin E. Spaulding
    • H04N1/60
    • H04N1/60
    • A method for printing an input digital image using a digital printer having a set of colorants with substantially the same color but different densities, including a sequence of node points where each of the two or more colorants are either at their maximum or minimum values, setting colorant concentrations such that the color channel output responses corresponding to the sequence of node points are substantially equally spaced in a visually uniform color space; forming colorant control look-up tables to provide smooth transitions in the color channel output response between the sequence of node points; addressing the colorant control look-up tables with the printer code value for each pixel of the input digital image to determine the colorant control signals for each of the two or more colorants; and controlling the digital printer using the colorant control signals to produce a print of the input digital image.
    • 一种使用具有基本上相同颜色但不同密度的一组着色剂的数字打印机打印输入数字图像的方法,包括其中两个或更多个着色剂中的每一个处于其最大值或最小值的节点点序列,设置 着色剂浓度使得对应于节点点序列的颜色通道输出响应在视觉均匀的颜色空间中基本相等间隔; 形成着色剂控制查找表,以在节点间序列中的颜色通道输出响应中提供平滑过渡; 使用输入数字图像的每个像素的打印机代码值寻址着色剂控制查找表,以确定两种或更多种着色剂中的每一种的着色剂控制信号; 以及使用着色剂控制信号来控制数字打印机以产生输入数字图像的打印。
    • 8. 发明授权
    • Colorant control values for color printing devices
    • 彩色打印设备的着色剂控制值
    • US07535596B2
    • 2009-05-19
    • US11121768
    • 2005-05-04
    • Kevin E. SpauldingGustav J. BraunJohn R. D'Errico
    • Kevin E. SpauldingGustav J. BraunJohn R. D'Errico
    • G03F3/08G06K15/00
    • H04N1/6022
    • A method for determining colorant control values for a color imaging device having four or more colorants is disclosed. The method includes defining a color mapping for a set of paths through a three-channel color space, defining a color mapping function for the three-channel color space relating the three-channel color space values to colorant control values for the four or more colorants of the color imaging device by interpolating between the color mapping defined for the set of paths, forming a forward three-channel color model relating the three-channel color space values to device-independent color values, inverting the forward three-channel color model to determine an inverse three-channel color model relating the device-independent color values to the three-channel color space values, and combining the inverse three-channel color model and the color mapping function to determine an inverse device color model.
    • 公开了一种用于确定具有四种或更多种着色剂的彩色成像装置的着色剂控制值的方法。 该方法包括通过三通道颜色空间定义一组路径的颜色映射,为三通道颜色空间值与四个或更多个着色剂的着色剂控制值定义三通道颜色空间的颜色映射功能 通过在为该组路径定义的颜色映射之间进行内插,形成将三通道颜色空间值与设备无关的颜色值相关联的前向三通道颜色模型,将前向三通道颜色模型反转到 确定将与设备无关的颜色值与三通道色彩空间值相关联的反向三通道颜色模型,并组合逆三通道颜色模型和颜色映射功能以确定逆设备颜色模型。
    • 9. 发明申请
    • SCANNER METAMERISM CORRECTION
    • 扫描仪元素校正
    • US20080239334A1
    • 2008-10-02
    • US11694098
    • 2007-03-30
    • David W. JasinskiKevin E. SpauldingJames A. Reczek
    • David W. JasinskiKevin E. SpauldingJames A. Reczek
    • G06K15/00
    • H04N1/6094H04N1/603
    • A method for automatically compensating for scanner metamerism errors associated with scanning input images using a digital color image scanner, wherein the input images can be on a variety of different input media having colorants with different spectral characteristics, comprising scanning an input image on a digital color image scanner to produce a scanned image; determining one or more estimated color balance error values in a color balance parameter space by analyzing the scanned image using a color balance analysis algorithm; assigning an input medium from a set of possible input media for the scanned input image in response to the estimated color balance error values; selecting a scanner metamerism correction color transform associated with the assigned input medium; and applying the selected scanner metamerism correction color transform to the scanned image to produce a corrected image compensated for scanner metamerism errors.
    • 一种用于自动补偿与使用数字彩色图像扫描器扫描输入图像相关的扫描器同色异谱误差的方法,其中所述输入图像可以在具有不同光谱特性的着色剂的各种不同输入介质上,包括以数字颜色扫描输入图像 图像扫描仪产生扫描图像; 通过使用颜色平衡分析算法分析扫描图像来确定颜色平衡参数空间中的一个或多个估计的颜色平衡误差值; 响应于估计的颜色平衡误差值,从扫描的输入图像的一组可能的输入介质中分配输入介质; 选择与分配的输入介质相关联的扫描器同色异谱校正颜色变换; 以及将所选择的扫描器同色异谱校正颜色变换应用于扫描图像,以产生补偿扫描器同色异谱误差的校正图像。
    • 10. 发明授权
    • Method for providing access to an extended color gamut digital image and providing payment therefor
    • 提供对扩展色域数字图像的访问并提供付费的方法
    • US06937362B1
    • 2005-08-30
    • US09543038
    • 2000-04-05
    • Kevin E. SpauldingGeoffrey J. Woolfe
    • Kevin E. SpauldingGeoffrey J. Woolfe
    • B41B15/00G06K9/40H04N1/34H04N1/60
    • H04N1/6058H04N1/34
    • A method for providing a user access to an extended color gamut digital image and for obtaining payment therefor, comprising the steps of representing the extended color gamut digital image with a limited color gamut digital image and one or more associated residual image(s) representing a difference between the extended color gamut digital image and the limited color gamut digital image; storing the limited color gamut digital image and the associated residual images(s) in an electronic memory; providing the user or user's designee access to the limited color gamut digital image in the electronic memory to provide a preview image; obtaining a payment identifier from the user and making payment using such payment identifier to permit the user or user's designee access to the associated residual image(s); and providing the user or user's designee access to the associated residual image(s) in the electronic memory.
    • 一种用于提供用户对扩展色域数字图像的访问并用于获得其付费的方法,包括以下步骤:用有限色域数字图像和一个或多个相关联的残留图像表示扩展色域数字图像, 扩展色域数字图像与有限色域数字图像之间的差异; 将有限色域数字图像和相关联的残留图像存储在电子存储器中; 提供用户或用户的指定者访问电子存储器中的有限色域数字图像以提供预览图像; 从用户获得支付标识符并使​​用这种支付标识符进行支付,以允许用户或用户的指定者访问相关联的残留图像; 并且向用户或用户的指定者提供对电子存储器中的相关联的残留图像的访问。