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김준현,이윤우,곽종훈,조현모,이인원,김태희,최옥식 嶺南大學校 基礎科學硏究所 1997 基礎科學硏究 Vol.17 No.-
In order to assess the image quality of Cathode Ray Tube(CRT), we measured the contrast modulation using linear charge-coupled device (CCD) imager in real-time which characterizes the resolution of color CRTs. The measurement was made at four locations on the screen with the contrast level being changed. Modulations transfer function (MTF) was obtained by taking the Fourier transform of intensity distribution in which the Gaussian approximation was used to consider the sampling effect of measured pixels due to pixels to shadow mask.