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    • 12. 发明申请
    • MULTIMEDIA DEVICE AND MOTION ESTIMATION METHOD THEREOF
    • 多媒体设备及其运动估计方法
    • US20120213284A1
    • 2012-08-23
    • US13402861
    • 2012-02-22
    • Yen-Sung CHENYu-Shu LiuTsui-Chin ChenChun WangJian-De Jiang
    • Yen-Sung CHENYu-Shu LiuTsui-Chin ChenChun WangJian-De Jiang
    • H04N7/26
    • H04N19/157H04N19/172H04N19/51H04N19/521
    • A motion estimation method is provided for generating a motion vector of a to-be-generated frame between two continuous reference frames. The method includes the following steps. A candidate motion vector is obtained according to the position of a to-be-generated block of a to-be-generated frame. Two first reference blocks are obtained from the two reference frames by extending the candidate motion vector from the to-be-generated block to the two reference frames, respectively. Two second reference blocks are obtained from the two reference frames by extending the candidate motion vector from one reference frame to another reference frame. Whether the candidate motion vector is valid is determined according to the positions of the two reference blocks obtained in each obtaining step. The corresponding motion vector of the to-be-generated block is determined according to the valid candidate motion vector.
    • 提供了一种运动估计方法,用于产生两个连续参考帧之间的待生成帧的运动矢量。 该方法包括以下步骤。 根据要生成的帧的待生成块的位置获得候选运动矢量。 通过将候选运动矢量分别从待生成的块延伸到两个参考帧,从两个参考帧获得两个第一参考块。 通过将候选运动矢量从一个参考帧延伸到另一参考帧,从两个参考帧获得两个第二参考块。 根据在每个获得步骤中获得的两个参考块的位置来确定候选运动矢量是否有效。 根据有效候选运动矢量确定待生成块的相应运动矢量。