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    • 4. 发明公开
    • Video signal processing circuit
    • Videosignalverarbeitungsschaltung。
    • EP0521367A2
    • 1993-01-07
    • EP92110513.6
    • 1992-06-22
    • SANYO ELECTRIC CO., LTD.
    • Murata, HaruhikoMori, YukioMaenaka, AkihiroTakuma, MasaoKawakami, KiyotadaYamamoto, TooruAsaeda, Tooru
    • H04N9/64H04N5/262H04N5/202
    • H04N9/64
    • A video signal processing circuit is incorporated in an IC for camcorder in which a camera signal outputted from a CCD image sensor is processed in a digital manner such that luminance and color signals can be outputted. In the IC, a vertical interpolation circuit produces two kinds of vertically interpolated data on the basis of a digital camera signal of one channel within an image area being set by an electronic zoom function. A YC separation circuit receives the two kinds of vertically interpolated data, and an output of the YC separation circuit is applied a horizontal interpolation circuit or an RGB composition circuit If the YC separation output is applied to the horizontal interpolation circuit, the same outputs two kinds of horizontally interpolated data upon which three primary color signals are composed by the RGB composition circuit. If the YC separation output is applied to the RGB composition circuit, the horizontal interpolation circuit produces two kinds of horizontally interpolated data on the basis of three primary color data outputted by the RGB composition circuit.
    • 视频信号处理电路被结合在用于摄像机的IC中,其中从数字方式处理从CCD图像传感器输出的照相机信号,从而可以输出亮度和色彩信号。 在IC中,垂直内插电路根据由电子变焦功能设定的图像区域内的一个通道的数字照相机信号,生成两种垂直内插数据。 YC分离电路接收两种垂直内插数据,YC分离电路的输出应用水平内插电路或RGB合成电路如果将YC分离输出应用于水平内插电路,则输出两种 水平内插数据,三原色信号由RGB合成电路组成。 如果将YC分离输出应用于RGB合成电路,则根据由RGB合成电路输出的三原色数据,水平内插电路产生两种水平内插数据。