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    • 4. 发明授权
    • Low-delay encoding methods of moving pictures
    • 运动图像的低延迟编码方法
    • US5745180A
    • 1998-04-28
    • US496785
    • 1995-06-29
    • Joohan KwonJae-moon Jo
    • Joohan KwonJae-moon Jo
    • H04N19/102H03M7/36H03M7/40H04N7/24H04N19/107H04N19/167H04N19/174H04N19/189H04N19/423H04N19/50H04N19/503H04N19/51H04N19/59H04N19/60H04N19/61H04N19/65H04N19/85H04N7/30H04N7/32
    • H04N19/107H04N19/61
    • A method and apparatus for low-delay-encoding digital video data for moving pictures. For removing artifacts appearing on a screen, where there is a large amount of motion in a vertical direction, a modified intra-slice method is used. Similarly, for removing artifacts appearing on a screen, where there is a large amount of motion in a horizontal direction, a modified intra-column method is used. For both the modified intra-slice method and the modified intra-column method, first and second rows of hatched rectangles, called intra-segments, are used to determine where in a given frame intra-frame-encoding is to be performed. Regions outside of these intra-segments are inter-frame encoded. However, while the intra-segments are disposed in a horizontal direction for the intra-slice method, they are disposed in a vertical direction for the intra-column method. Both of these methods can be performed simultaneously, as well.
    • 一种用于低延迟编码用于运动图像的数字视频数据的方法和装置。 为了消除在垂直方向上存在大量运动的屏幕上出现的伪影,使用修改的片内方法。 类似地,为了消除在水平方向上存在大量运动的屏幕上出现的伪影,使用修改后的列内方法。 对于修改的片内方法和修改的列内方法,使用称为片段的阴影矩形的第一行和第二行来确定在给定帧中哪里将执行帧内编码。 这些片段之外的区域是帧间编码的。 然而,对于片内方法,当将片段设置在水平方向时,对于列内方式,它们被设置在垂直方向。 这两种方法都可以同时进行。