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    • 29. 发明申请
    • COLOR INTERPOLATION METHOD AND DEVICE
    • 彩色插值方法和设备
    • WO2007139343A1
    • 2007-12-06
    • PCT/KR2007/002611
    • 2007-05-30
    • MTEKVISION CO., LTD.LEE, Ho-YoungSO, Hwang-Young
    • LEE, Ho-YoungSO, Hwang-Young
    • H04N9/07
    • H04N9/045H04N2209/046
    • A color interpolation method and device are disclosed. The color interpolation method includes (a) extracting a pixel value only from a Bayer pattern image regardless of R, G and B values and computing edge directional information; (b) determining a condition of the edge directional information, computed in the step of (a), among a plurality of predetermined conditions, each of the plurality of predetermined conditions corresponding to a color interpolation parameter computing algorithm; and (c) computing a color interpolation parameter based on the color interpolation parameter computing algorithm corresponding to the condition of the edge directional information, determined in the step of (b). With the present invention, wrong color can be prevented from being generated in the vicinity of minute edge having 700 or more, and zipper-shaped artifact can be prevented from being generated in the vicinity of edge.
    • 公开了彩色插值方法和装置。 颜色插值方法包括(a)仅从拜耳图案图像提取像素值,而不管R,G和B值如何,并且计算边缘方向信息; (b)确定在(a)的步骤中计算的边缘方向信息的条件,在多个预定条件中,对应于颜色插值参数计算算法的多个预定条件中的每一个; 以及(c)基于与(b)的步骤中确定的边缘方向信息的条件相对应的颜色插值参数计算算法计算颜色插值参数。 利用本发明,可以防止在具有700以上的微小边缘附近产生错误的颜色,并且可以防止在边缘附近产生拉链状伪影。