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    • 6. 发明授权
    • Method for locating partitions of a video image
    • 用于定位视频图像的分区的方法
    • US07197076B2
    • 2007-03-27
    • US10905769
    • 2005-01-20
    • Chih-Feng ChangChun-Wen Hsu
    • Chih-Feng ChangChun-Wen Hsu
    • H04N7/18
    • H04N19/423
    • A method for locating partitions of a video image is provided. The method is used to simplify the process of obtaining the related information of neighboring partitions during the coding and decoding process for the video image. The method starts by mapping the storage units of a matrix to adjacent sub-blocks of a video image. The related information of the partitions is stored in the corresponding storage units. The related information of the neighboring partitions is obtained according to the relative locations of the storage units and the mapping relationship between the storage units and the sub-blocks.
    • 提供了一种用于定位视频图像的分割的方法。 该方法用于简化在视频图像的编码和解码过程期间获得相邻分区的相关信息的过程。 该方法开始于将矩阵的存储单元映射到视频图像的相邻子块。 分区的相关信息存储在相应的存储单元中。 根据存储单元的相对位置和存储单元与子块之间的映射关系,获得相邻分区的相关信息。
    • 7. 发明申请
    • DECISION MECHANISM FOR PARTITION TYPES OF MACRO BLOCK
    • 用于宏块分割类型的决策机制
    • US20060109909A1
    • 2006-05-25
    • US10905678
    • 2005-01-17
    • Chih-Feng ChangChun-Liang Tu
    • Chih-Feng ChangChun-Liang Tu
    • H04N11/04H04N11/02H04N7/12H04B1/66
    • H04N19/51H04N19/57
    • A decision mechanism for partition types of a macro block is provided. First, a rough motion estimation is performed on a macro block, so as to obtain a rough related information corresponding to various partition types. Then, one of the partition types is determined based on the rough related information. Afterwards, a fine related information is obtained by performing a fine motion estimation with the determined partition type on the macro block. Wherein, the increased pixel shift of the fine motion estimation is smaller than the increased pixel shift of the rough motion estimation. Accordingly, the decision mechanism for partition types of the macro block can reduce the motion estimation time and provide higher processing efficiency.
    • 提供了宏块分区类型的决策机制。 首先,对宏块执行粗略运动估计,以获得与各种分区类型对应的粗略相关信息。 然后,基于粗略的相关信息确定其中一个分区类型。 然后,通过在宏块上执行所确定的分区类型的精细运动估计来获得精细的相关信息。 其中,精细运动估计的增加的像素移动小于粗略运动估计的增加的像素移位。 因此,宏块的分割类型的决定机制可以减少运动估计时间并提供更高的处理效率。