公开(公告)号：US20040257595A1

公开(公告)日：2004-12-23

申请号：US10465408

申请日：2003-06-18

Applicant: Xerox Corporation

Inventor： Gaurav Sharma ,  Raja Bala ,  Jean-Pierre R.M Van de Capelle ,  Martin S. Maltz ,  Lalit K. Mestha

IPC: H04N001/50 ,  H04N001/56

CPC classification number: H04N1/50 ,  G09G5/04 ,  G09G2320/0276 ,  G09G2320/0693 ,  H04N1/603

Abstract: A color output device is generally driven by at least three independent control signals for control of its response. A desired response in device independent color space is normally obtained by employing a cascade consisting of a characterization transform and calibration transform. The calibration transform transforms input control variables into output control variables that are directly used to drive the device. Input control variables can be transformed into intermediate control variables, which can be then mapped to output control variables utilizing a two-dimensional transformation. The two-dimensional calibration architecture provides improved control functionality and flexibility.

Abstract translation: 颜色输出装置通常由至少三个独立的控制信号驱动，以控制其响应。 通常通过使用由特征变换和校准变换组成的级联来获得器件独立色彩空间中的期望响应。 校准变换将输入控制变量转换为直接用于驱动器件的输出控制变量。 输入控制变量可以转换为中间控制变量，然后可以使用二维变换将其映射到输出控制变量。 二维校准架构提供了改进的控制功能和灵活性。