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    • 7. 发明授权
    • Poly phase filter for dot sequential color difference signal conversion
    • 多相滤波器用于点连续色差信号转换
    • US5959698A
    • 1999-09-28
    • US735063
    • 1996-10-18
    • Ji Ho Kim
    • Ji Ho Kim
    • H04N9/78G06T3/00H04N9/64H04N11/20G06F17/10
    • G06T3/40H04N9/64H04N11/20
    • A poly phase filter for converting a sampling frequency of a digital video signal to perform a dot sequential color difference signal conversion operation, the digital video signal including a luminance signal and a color difference signal, the color difference signal including two color difference signal components. The poly phase filter is adapted to generate a plurality of poly phase filter coefficients to be used to process the luminance signal and to process the color difference signal. The poly phase filter is also adapted to process the generated poly phase filter coefficients in units of two to process the color difference signal. Therefore, the present invention has the effect of reducing the hardware size and the associated cost.
    • 一种多相滤波器,用于转换数字视频信号的采样频率以进行点连续色差信号转换操作,所述数字视频信号包括亮度信号和色差信号,所述色差信号包括两个色差信号分量。 多相滤波器适于产生多个多相滤波器系数,以用于处理亮度信号并处理色差信号。 多相滤波器还适于以两个单位处理所生成的多相滤波器系数以处理色差信号。 因此,本发明具有降低硬件尺寸和相关成本的效果。