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    • 14. 发明申请
    • Uneven streaks evaluation device, uneven streaks evaluation method, storage medium, and color filter manufacturing method
    • 不均匀条纹评估装置,不均匀条纹评估方法,存储介质和滤色器制造方法
    • US20090046113A1
    • 2009-02-19
    • US12220852
    • 2008-07-29
    • Takeshi MurakamiEiji Yamada
    • Takeshi MurakamiEiji Yamada
    • G09G5/02G06K9/40G03F1/00
    • G06K9/40G06T5/002G09G3/006
    • A present uneven streaks evaluation device includes an evaluation data generation section for generating evaluation data, serving as an index for evaluating cyclic uneven streaks occurring on an evaluation target surface, in accordance with image data obtained by imaging the evaluation target surface to which light is emitted, wherein a one-dimensional projection processing section carries out a one-dimensional projection process with respect to light distribution included in the image data so that a projection direction is a direction including a vector of a direction in which uneven streaks occur, a power spectrum calculation section calculates a power spectrum in accordance with the light distribution having been subjected to the one-dimensional projection process, an integration processing section calculates an interval integral value of a preset cycle in accordance with the calculated power spectrum, and a noise component removing section removes a noise component included in the calculated interval integral value.
    • 本发明的不均匀条纹评价装置包括:评价数据生成部,其根据通过对发光的评价对象面进行成像而获得的图像数据,生成评价数据,作为用于评价在评价对象面上发生的循环不均匀条纹的指标 其中,一维投影处理部对图像数据中包含的光分布进行一维投影处理,使得投影方向为包括发生不均匀条纹的方向的矢量的方向,功率谱 计算部根据经过一维投影处理的光分布来计算功率谱,积分处理部根据计算出的功率谱计算预设周期的间隔积分值,噪声分量除去部 去除包含的噪声成分 计算间隔积分值。