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    • 90. 发明授权
    • Image processing based on object information
    • 基于对象信息的图像处理
    • US07945109B2
    • 2011-05-17
    • US12456491
    • 2009-06-16
    • Yoshihiro Nakami
    • Yoshihiro Nakami
    • G06K9/36
    • H04N1/32128G06T5/009G06T5/40H04N5/2351H04N2201/3222H04N2201/3242H04N2201/3277
    • A CPU divides an image into plural regions and for each of the regions, generates a histogram and calculates an average brightness Y ave. The CPU determines a focus location on the image by using focus location information, sets a region at the determined location as an emphasis region, and sets the average brightness Y ave of the emphasis region as a brightness criterion Y std. The CPU uses the brightness criterion Y std to determine non-usable regions. By using the regions not excluded as non-usable regions, the CPU calculates an image quality adjustment average brightness Y′ ave, i.e. the average brightness of the entire image, with a weighting W in accordance with the locations of the regions reflected thereto, and executes a bright value correction by using the calculated image quality adjustment average brightness Y′ ave.
    • CPU将图像分割成多个区域,并且对于每个区域,生成直方图并计算平均亮度Y ​​ave。 CPU通过使用聚焦位置信息来确定图像上的焦点位置,将确定位置处的区域设置为强调区域,并将加亮区域的平均亮度Y ​​ave设置为亮度准则Y std。 CPU使用亮度标准Y std来确定不可用的区域。 通过使用不排除为不可用区域的区域,CPU根据反映的区域的位置,以加权W计算图像质量调整平均亮度Y'ave,即整个图像的平均亮度,以及 通过使用计算出的图像质量调整平均亮度Y'ave执行亮度值校正。