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    • 3. 发明申请
    • METHOD AND SYSTEM FOR DIGITALLY CONTROLLING IMAGE PRINTING SYSTEM TO ACHIEVE DESIRED COLOR DENSITY OF PRINTED IMAGE
    • 用于数字控制图像打印系统以实现打印图像的所需颜色密度的方法和系统
    • US20120086983A1
    • 2012-04-12
    • US12900169
    • 2010-10-07
    • Douglas Raymond TAYLORBrian Robert ConrowShawn Patrick Updegraff
    • Douglas Raymond TAYLORBrian Robert ConrowShawn Patrick Updegraff
    • H04N1/40
    • H04N1/4078
    • A method for controlling a tone reproduction curve of an image printing system includes generating an actual printed image tone reproduction curve using printed image data from a printed image sensor; determining a set of adjusted contone values by comparing the actual printed image tone reproduction curve with a target printed image tone reproduction curve, where the adjusted contone values being representative of the print contone values at which target color density data of the printed image is achieved in the image printing system; and determining adjusted image transfer surface reflectance data to update a target image transfer surface tone reproduction curve, where the adjusted image transfer surface reflectance data being obtained by interpolating the target image transfer surface tone reproduction curve at the adjusted contone values; and controlling subsequent toner image data to achieve the updated target image transfer surface tone reproduction curve.
    • 一种用于控制图像打印系统的色调再现曲线的方法包括使用来自打印图像传感器的打印图像数据生成实际的打印图像色调再现曲线; 通过将实际打印的图像色调再现曲线与目标打印图像色调再现曲线进行比较来确定一组调整的连续色调值,其中调整的连续色调值代表实现打印图像的目标色彩浓度数据的打印连续色调值, 图像打印系统; 以及确定调整后的图像转印面反射率数据,以更新目标图像转印表面色调再现曲线,其中通过以调整的连续色调值内插目标图像转印表面色调再现曲线获得的经调节的图像转印表面反射数据; 并控制后续调色剂图像数据以实现更新的目标图像转印表面色调再现曲线。
    • 9. 发明授权
    • Method and system for digitally controlling image printing system to achieve desired color density of printed image
    • 用于数字控制图像打印系统以实现打印图像的期望色彩浓度的方法和系统
    • US08437040B2
    • 2013-05-07
    • US12900169
    • 2010-10-07
    • Douglas Raymond TaylorBrian Robert ConrowShawn Patrick Updegraff
    • Douglas Raymond TaylorBrian Robert ConrowShawn Patrick Updegraff
    • H04N1/60
    • H04N1/4078
    • A method for controlling a tone reproduction curve of an image printing system includes generating an actual printed image tone reproduction curve using printed image data from a printed image sensor; determining a set of adjusted contone values by comparing the actual printed image tone reproduction curve with a target printed image tone reproduction curve, where the adjusted contone values being representative of the print contone values at which target color density data of the printed image is achieved in the image printing system; and determining adjusted image transfer surface reflectance data to update a target image transfer surface tone reproduction curve, where the adjusted image transfer surface reflectance data being obtained by interpolating the target image transfer surface tone reproduction curve at the adjusted contone values; and controlling subsequent toner image data to achieve the updated target image transfer surface tone reproduction curve.
    • 一种用于控制图像打印系统的色调再现曲线的方法包括使用来自打印图像传感器的打印图像数据生成实际的打印图像色调再现曲线; 通过将实际打印的图像色调再现曲线与目标打印图像色调再现曲线进行比较来确定一组调整的连续色调值,其中调整的连续色调值代表实现打印图像的目标色彩浓度数据的打印连续色调值, 图像打印系统; 以及确定调整后的图像转印面反射率数据,以更新目标图像转印表面色调再现曲线,其中通过以调整的连续色调值内插目标图像转印表面色调再现曲线获得的经调节的图像转印表面反射数据; 并控制后续调色剂图像数据以实现更新的目标图像转印表面色调再现曲线。