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    • 8. 发明申请
    • Camera apparatus and method for removing image noise
    • 用于去除图像噪声的相机装置和方法
    • US20080030591A1
    • 2008-02-07
    • US11888763
    • 2007-08-02
    • Young-Min JeongSang-Wook Oh
    • Young-Min JeongSang-Wook Oh
    • H04N5/225
    • H04N5/3651
    • Disclosed is a method of removing image noise of a camera having an illumination sensor. The method includes: grasping the noise response characteristics of the camera and storing mean signal-to-noise ratio values for respective illumination values in a low frequency region and a high frequency region; acquiring the present illumination value using the illumination sensor when photographing an image; reading mean signal-to-noise ratio values of the low frequency region and the high frequency region corresponding to the present illumination value from the stored mean signal-to-noise ratio values; and applying the read mean signal-to-noise values to filters for respective frequency regions, thereby filtering the signals of the photographed image.
    • 公开了一种去除具有照明传感器的相机的图像噪声的方法。 该方法包括:掌握摄像机的噪声响应特性,并存储低频区域和高频区域中相应照明值的平均信噪比值; 当拍摄图像时,使用照明传感器获取当前照明值; 从存储的平均信噪比值读取与当前照明值对应的低频区域和高频区域的平均信噪比值; 以及将读取的平均信噪比值应用于各个频率区域的滤波器,从而对拍摄图像的信号进行滤波。