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公开(公告)号：US07283682B2
公开(公告)日：2007-10-16
申请号：US11626583
申请日：2007-01-24
申请人： Hyun Mun Kim , Jong Beom Ra , Sung Deuk Kim , Young Su Lee
发明人： Hyun Mun Kim , Jong Beom Ra , Sung Deuk Kim , Young Su Lee
CPC分类号： H04N19/86 , H04N19/00 , H04N19/126 , H04N19/137 , H04N19/176 , H04N19/182 , H04N19/198 , H04N19/48 , H04N19/527 , H04N19/80 , H04N19/85
摘要： A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S0, S1, and S2, which are centered around a block boundary. If a default mode is selected then frequency information of the surroundings of the block boundary is obtained. A magnitude of a discontinuous component in a frequency domain belonging to the block boundary is adjusted based on a magnitude of a corresponding discontinuous component selected from a pixel contained entirely within a block adjacent the block boundary. The frequency domain adjustment is then applied to a spatial domain. Or, a DC offset mode can be selected to reduce blocking artifacts in smooth regions where there is little motion.
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公开(公告)号：US07305143B2
公开(公告)日：2007-12-04
申请号：US11626570
申请日：2007-01-24
申请人： Hyun Mun Kim , Jong Beom Ra , Sung Deuk Kim , Young Su Lee
发明人： Hyun Mun Kim , Jong Beom Ra , Sung Deuk Kim , Young Su Lee
CPC分类号： H04N19/86 , H04N19/00 , H04N19/126 , H04N19/137 , H04N19/176 , H04N19/182 , H04N19/198 , H04N19/48 , H04N19/527 , H04N19/80 , H04N19/85
摘要： A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S0, S1, and S2, which are centered around a block boundary. If a default mode is selected then frequency information of the surroundings of the block boundary is obtained. A magnitude of a discontinuous component in a frequency domain belonging to the block boundary is adjusted based on a magnitude of a corresponding discontinuous component selected from a pixel contained entirely within a block adjacent the block boundary. The frequency domain adjustment is then applied to a spatial domain. Or, a DC offset mode can be selected to reduce blocking artifacts in smooth regions where there is little motion.
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公开(公告)号：US07283681B2
公开(公告)日：2007-10-16
申请号：US11626561
申请日：2007-01-24
申请人： Hyun Mun Kim , Jong Beom Ra , Sung Deuk Kim , Young Su Lee
发明人： Hyun Mun Kim , Jong Beom Ra , Sung Deuk Kim , Young Su Lee
CPC分类号： H04N19/86 , H04N19/00 , H04N19/126 , H04N19/137 , H04N19/176 , H04N19/182 , H04N19/198 , H04N19/48 , H04N19/527 , H04N19/80 , H04N19/85
摘要： A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S0, S1, and S2, which are centered around a block boundary. If a default mode is selected then frequency information of the surroundings of the block boundary is obtained. A magnitude of a discontinuous component in a frequency domain belonging to the block boundary is adjusted based on a magnitude of a corresponding discontinuous component selected from a pixel contained entirely within a block adjacent the block boundary. The frequency domain adjustment is then applied to a spatial domain. Or, a DC offset mode can be selected to reduce blocking artifacts in smooth regions where there is little motion.
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公开(公告)号：US07305142B2
公开(公告)日：2007-12-04
申请号：US11619893
申请日：2007-01-04
申请人： Hyun Mun Kim , Jong Beom Ra , Sung Deuk Kim , Young Su Lee
发明人： Hyun Mun Kim , Jong Beom Ra , Sung Deuk Kim , Young Su Lee
CPC分类号： H04N19/86 , H04N19/00 , H04N19/126 , H04N19/137 , H04N19/176 , H04N19/182 , H04N19/198 , H04N19/48 , H04N19/527 , H04N19/80 , H04N19/85
摘要： A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S0, S1, and S2, which are centered around a block boundary. If a default mode is selected then frequency information of the surroundings of the block boundary is obtained. A magnitude of a discontinuous component in a frequency domain belonging to the block boundary is adjusted based on a magnitude of a corresponding discontinuous component selected from a pixel contained entirely within a block adjacent the block boundary. The frequency domain adjustment is then applied to a spatial domain. Or, a DC offset mode can be selected to reduce blocking artifacts in smooth regions where there is little motion.
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公开(公告)号：US07277593B2
公开(公告)日：2007-10-02
申请号：US11619913
申请日：2007-01-04
申请人： Hyun Mun Kim , Jong Beom Ra , Sung Deuk Kim , Young Su Lee
发明人： Hyun Mun Kim , Jong Beom Ra , Sung Deuk Kim , Young Su Lee
摘要： A method of coding a moving picture is provided that reduces blocking artifacts. The method can include defining a plurality of defining pixels S0, S1, and S2, which are centered around a block boundary. If a default mode is selected then frequency information of the surroundings of the block boundary is obtained. A magnitude of a discontinuous component in a frequency domain belonging to the block boundary is adjusted based on a magnitude of a corresponding discontinuous component selected from a pixel contained entirely within a block adjacent the block boundary. The frequency domain adjustment is then applied to a spatial domain. Or, a DC offset mode can be selected to reduce blocking artifacts in smooth regions where there is little motion.
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