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    • 10. 发明公开
    • COLOR REPRODUCTION CORRECTOR FOR IMAGE INPUT DEVICE AND COLOR REPRODUCTION CORRECTION METHOD
    • 显色校正装置用于图像输入设备和显色校正方法
    • EP1331828A4
    • 2006-04-19
    • EP01978819
    • 2001-10-17
    • SONY CORP
    • KATOH NAOYA
    • G06T1/00H04N1/48H04N1/60H04N9/64H04N9/73
    • H04N9/735H04N1/6083H04N9/73
    • A color reproduction corrector for an image input device by which color can be reproduced well readily even if an image is reproduced by means of an imaging light source and an observation light source having color rendering properties different from those of the imaging light source. The color reproduction corrector comprises white balance matrix creating means (130) for receiving chromaticity point data from an image input device and creating a correction matrix for white balance, light source system determining means (140) for receiving information on the imaging light source from the image input device and determining an imaging light source system and a light source system for color reproduction of an image, transformation matrix generating means (150) for generating a transformation matrix reflecting the optical characteristics of an object by using predetermined color matching function data, spectral characteristic data on the imaging light source system and color reproduction light source system determined by the light source system determining means (140), optical characteristics data on a predetermined object, and data on the correction matrix for white balance, and color correcting means (170) for correcting the color reproduction about the image data by using the transformation matrix.