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    • 7. 发明授权
    • Apparatus and method for achromatic and chromatic color conversion
    • 无色和彩色转换的装置和方法
    • US08547392B2
    • 2013-10-01
    • US12984109
    • 2011-01-04
    • Bongim ParkKang-Hyun KimJae-Won JeongWoo-Young Lee
    • Bongim ParkKang-Hyun KimJae-Won JeongWoo-Young Lee
    • G09G5/02
    • G09G3/3607G09G3/3659G09G5/02G09G2300/0443G09G2320/0242G09G2320/0276G09G2320/0666
    • A signal processing apparatus and a signal processing method are disclosed. The signal processing apparatus includes a correction block and a division correction block. The correction block receives grayscale data comprising achromatic color grayscale data or chromatic color grayscale data to create corrected grayscale data. The division correction block receives the corrected grayscale data to create first division grayscale data and second division grayscale data having a grayscale value less than or equal to a grayscale value of the first division grayscale data. The correction block includes a first correction block and a second correction block. The first correction block receives the grayscale data and includes a one-dimensional lookup table to create corrected create achromatic color grayscale data. The second correction block includes a three-dimensional lookup table and an interpolator.
    • 公开了一种信号处理装置和信号处理方法。 信号处理装置包括校正块和分割校正块。 校正块接收包括无色彩色灰度数据或彩色彩色灰度数据的灰度数据,以产生校正的灰度数据。 分割校正块接收经校正的灰阶数据以产生具有小于或等于第一分区灰阶数据的灰度值的灰度值的第一分色灰度数据和二分灰度数据。 校正块包括第一校正块和第二校正块。 第一校正块接收灰度数据并且包括一维查找表以创建校正的创建无彩色灰度数据。 第二校正块包括三维查找表和内插器。