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    • 5. 发明申请
    • OFFSET CALCULATION IN SWITCHED INTERPOLATION FILTERS
    • 开关插入滤波器的偏移计算
    • WO2010039492A3
    • 2011-12-22
    • PCT/US2009057831
    • 2009-09-22
    • QUALCOMM INCKARCZEWICZ MARTAMOTTA GIOVANNIYE YANPEISONG CHEN
    • KARCZEWICZ MARTAMOTTA GIOVANNIYE YANPEISONG CHEN
    • H04N7/26
    • H04N7/50H04N19/172H04N19/176H04N19/52H04N19/523H04N19/577H04N19/61
    • This disclosure describes techniques for adding offset to predictive video blocks during video coding. In one example, a method of encoding a video block includes interpolating a first block of predictive values based on a first reference video unit within a first list of reference data, and a second block of predictive values based on a second reference video unit within a second list of reference data, calculating, for sub-integer pixel positions, a first offset value based on the first block and the current video block, and a second offset value based on the first offset value and the second block, determining a final block of offset values based on the first block of predictive values, the second block of predictive values, the first offset values, and the second offset values, and encoding the current video block based on the final block of offset values.
    • 本公开描述了在视频编码期间将偏移量添加到预测视频块的技术。 在一个示例中,编码视频块的方法包括基于第一参考数据列表内的第一参考视频单元和基于第一参考视频单元中的第二参考视频单元的第二块预测值来内插第一预测值块 参考数据的第二列表,针对子整数像素位置,基于第一块和当前视频块计算第一偏移值,以及基于第一偏移值和第二块计算第二偏移值,确定最终块 基于预测值的第一块,预测值的第二块,第一偏移值和第二偏移值,并且基于最终的偏移值块对当前视频块进行编码。