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    • 5. 发明授权
    • Apparatus for correcting vertical aperture of an image
    • 用于校正图像的垂直孔径的装置
    • US5430499A
    • 1995-07-04
    • US118647
    • 1993-09-10
    • Kouji AsadaHiroyasu OhtsuboMasaru Noda
    • Kouji AsadaHiroyasu OhtsuboMasaru Noda
    • H04N9/04H04N5/208H04N9/68
    • H04N5/208
    • An apparatus for correcting a vertical aperture of an image generates a vertical aperture correction signal having no line pair component contained therein from a signal read out at every frame from an imaging apparatus using an imaging device of pixel mixing system, the circuit arrangement for realizing the vertical aperture correcting apparatus being such that an original signal, a 2H (H is a horizontal scanning period) delay signal and a 4H delay signal are generated from the imaging device and a sum of the original signal and the 4H delay signal is subtracted from the 2H delay signal to thereby generate a vertical aperture correction signal and also the circuit arrangement being such that luminance signal spectral characteristics are approximated at every horizontal scanning by adjusting a gain of a signal read out from the imaging device.
    • 用于校正图像的垂直孔径的装置从使用像素混合系统的成像装置的成像装置的每帧读出的信号中产生没有包含线对成分的垂直孔径校正信号,该电路装置用于实现 垂直孔径校正装置使得从成像装置产生原始信号2H(H是水平扫描周期)延迟信号和4H延迟信号,并且从原始信号和4H延迟信号的和中减去原始信号 2H延迟信号,从而产生垂直孔径校正信号,并且电路装置使得通过调节从成像装置读出的信号的增益在每个水平扫描期间近似亮度信号光谱特性。