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    • 7. 发明授权
    • Deinterlacing apparatus and method
    • 去隔行装置和方法
    • US07321396B2
    • 2008-01-22
    • US10703568
    • 2003-11-10
    • You-young JungYoung-ho LeeSeung-joon Yang
    • You-young JungYoung-ho LeeSeung-joon Yang
    • H04N7/01
    • H04N7/012H04N5/145
    • A deinterlacing apparatus and method thereof include a motion compensation unit implementing motion-compensated temporal interpolation for each of estimated motion vectors with reference to a previous field and a next field, which are respectively ahead of and behind a current field to be interpolated, producing interpolation values of a pixel to be interpolated, and outputting a selected value from the interpolation values as a first interpolation value. Further, a spatial interpolation unit producing a second interpolation value of the pixel to be interpolated using values of pixels around the pixel to be interpolated, and an output unit mixing the first and second interpolation.
    • 一种去隔行扫描装置及其方法包括:运动补偿单元,其针对前述场和后一场,分别在待内插的当前场之前和之后,对每个估计的运动矢量实施运动补偿时间插值, 将要内插的像素的值作为第一内插值从插补值输出。 此外,空间内插单元使用要被内插的像素周围的像素的值来产生要内插的像素的第二内插值,以及混合第一和第二插值的输出单元。
    • 8. 发明申请
    • Apparatus for converting image signal and a method thereof
    • 用于转换图像信号的装置及其方法
    • US20070040935A1
    • 2007-02-22
    • US11376334
    • 2006-03-16
    • Young-ho LeeSeung-joon Yang
    • Young-ho LeeSeung-joon Yang
    • H04N7/01
    • H04N5/145H04N7/012H04N7/0137H04N7/014H04N21/4884
    • An apparatus for converting an image signal includes a motion estimation unit which estimates a motion vector using current and reference fields; a ticker region detection unit which detects a ticker region of an image using the estimated motion vector where an image moving with a constant speed and direction in a current field is found; a motion information analysis unit which determines whether or not there exists an image moving with a constant speed and direction in the ticker region based on the frequency of a motion vector estimated within the detected ticker region; and an interpolation unit which interpolates the current field by controlling a degree of temporal and spatial interpolations using an output of the motion information analysis unit. Accordingly, interpolation is differently applied in accordance with characters and graphics moving with a constant speed and direction in an input image, so that picture quality can be enhanced.
    • 用于转换图像信号的装置包括运动估计单元,其使用当前和参考场来估计运动矢量; 使用估计的运动矢量来检测图像的行情区域的行情区域检测单元,其中发现以当前场中的恒定速度和方向移动的图像; 运动信息分析单元,其基于在所检测到的代码区域内估计的运动矢量的频率来确定是否存在以所述行情区域中的恒定速度和方向移动的图像; 以及内插单元,其使用运动信息分析单元的输出来控制时间和空间内插的程度来内插当前场。 因此,根据在输入图像中以恒定的速度和方向移动的字符和图形,不同地应用插值,从而可以提高图像质量。