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公开(公告)号：US20170302955A1
公开(公告)日：2017-10-19
申请号：US15640800
申请日：2017-07-03
Inventor： Satoshi KONDO , Shinya KADONO , Makoto HAGAI , Kiyofumi ABE
IPC: H04N19/52 , H04N19/103 , H04N19/583 , H04N19/58 , H04N19/577 , H04N19/573 , H04N19/513 , H04N19/51 , H04N19/46 , H04N19/423 , H04N19/30 , H04N19/61 , H04N19/176 , H04N19/172 , H04N19/16 , H04N19/159 , H04N19/137 , H04N19/136 , H04N19/127 , H04N19/107 , H04N19/105 , H04N19/70 , H04N19/184
CPC classification number: H04N19/52 , H04N19/103 , H04N19/105 , H04N19/107 , H04N19/127 , H04N19/136 , H04N19/137 , H04N19/159 , H04N19/16 , H04N19/172 , H04N19/176 , H04N19/184 , H04N19/30 , H04N19/423 , H04N19/46 , H04N19/51 , H04N19/513 , H04N19/573 , H04N19/577 , H04N19/58 , H04N19/583 , H04N19/61 , H04N19/70
Abstract: When a block (MB22) of which motion vector is referred to in the direct mode contains a plurality of motion vectors, 2 motion vectors MV23 and MV24, which are used for inter picture prediction of a current picture (P23) to be coded, are determined by scaling a value obtained from averaging the plurality of motion vectors or selecting one of the plurality of the motion vectors.
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2.发明申请公开(公告)号：US20170078690A1
公开(公告)日：2017-03-16
申请号：US15358866
申请日：2016-11-22
Inventor： Shinya KADONO , Satoshi KONDO , Makoto HAGAI , Kiyofumi ABE
IPC: H04N19/52 , H04N19/43 , H04N19/61 , H04N19/105 , H04N19/124
CPC classification number: H04N19/52 , G06F1/03 , G06F2101/12 , H04N19/105 , H04N19/124 , H04N19/172 , H04N19/176 , H04N19/30 , H04N19/43 , H04N19/503 , H04N19/51 , H04N19/513 , H04N19/577 , H04N19/587 , H04N19/61 , H04N19/625 , H04N21/2743
Abstract: A motion vector derivation unit includes a comparison unit for comparing a parameter TR1 for a reference vector with a predetermined value to determine whether it exceeds the predetermined value or not; a switching unit for switching selection between the maximum value of a pre-stored parameter TR and the parameter TR1 according to the comparison result by the comparison unit; a multiplier parameter table (for multipliers); and a multiplier parameter table (for divisors) for associating the parameter TR1 with a value approximate to the inverse value (1/TR1) of this parameter TR1.
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公开(公告)号：US20170048547A1
公开(公告)日：2017-02-16
申请号：US15338880
申请日：2016-10-31
Inventor： Satoshi KONDO , Shinya KADONO , Makoto HAGAI , Kiyofumi ABE
IPC: H04N19/52 , H04N19/30 , H04N19/573 , H04N19/159
CPC classification number: H04N19/52 , H04N19/103 , H04N19/105 , H04N19/107 , H04N19/127 , H04N19/136 , H04N19/137 , H04N19/159 , H04N19/16 , H04N19/172 , H04N19/176 , H04N19/184 , H04N19/30 , H04N19/423 , H04N19/46 , H04N19/51 , H04N19/513 , H04N19/573 , H04N19/577 , H04N19/58 , H04N19/583 , H04N19/61 , H04N19/70
Abstract: When a block (MB22) of which motion vector is referred to in the direct mode contains a plurality of motion vectors, 2 motion vectors MV23 and MV24, which are used for inter picture prediction of a current picture (P23) to be coded, are determined by scaling a value obtained from averaging the plurality of motion vectors or selecting one of the plurality of the motion vectors.
Abstract translation: 当以直接模式参考运动矢量的块（MB22）包含多个运动矢量时，用于要编码的当前图像（P23）的帧间预测的2个运动矢量MV23和MV24是 通过缩放从多个运动矢量的平均得到的值或选择多个运动矢量之一来确定。
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公开(公告)号：US20170048546A1
公开(公告)日：2017-02-16
申请号：US15338830
申请日：2016-10-31
Inventor： Satoshi KONDO , Shinya KADONO , Makoto HAGAI , Kiyofumi ABE
IPC: H04N19/52 , H04N19/30 , H04N19/573 , H04N19/159
CPC classification number: H04N19/52 , H04N19/103 , H04N19/105 , H04N19/107 , H04N19/127 , H04N19/136 , H04N19/137 , H04N19/159 , H04N19/16 , H04N19/172 , H04N19/176 , H04N19/184 , H04N19/30 , H04N19/423 , H04N19/46 , H04N19/51 , H04N19/513 , H04N19/573 , H04N19/577 , H04N19/58 , H04N19/583 , H04N19/61 , H04N19/70
Abstract: When a block (MB22) of which motion vector is referred to in the direct mode contains a plurality of motion vectors, 2 motion vectors MV23 and MV24, which are used for inter picture prediction of a current picture (P23) to be coded, are determined by scaling a value obtained from averaging the plurality of motion vectors or selecting one of the plurality of the motion vectors.
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公开(公告)号：US20150264349A1
公开(公告)日：2015-09-17
申请号：US14726838
申请日：2015-06-01
Inventor： Satoshi KONDO , Shinya KADONO , Makoto HAGAI
IPC: H04N19/105 , H04N19/573 , H04N19/176 , H04N19/172 , H04N19/159
CPC classification number: H04N19/00 , H04N19/103 , H04N19/105 , H04N19/107 , H04N19/127 , H04N19/136 , H04N19/137 , H04N19/157 , H04N19/159 , H04N19/16 , H04N19/172 , H04N19/176 , H04N19/423 , H04N19/43 , H04N19/44 , H04N19/46 , H04N19/50 , H04N19/51 , H04N19/573 , H04N19/577 , H04N19/58 , H04N19/61 , H04N19/70
Abstract: A moving picture coding apparatus for performing inter-picture predictive coding for pictures constituting a moving picture is provided with a coding unit for performing predictive error coding for image data; a decoding unit for performing predictive error decoding for an output from the coding unit; a reference picture memory for holding output data from the decoding unit; and a motion vector detection unit for detecting motion vectors on the basis of the decoded image data stored in the memory. When coding a B picture as a target picture, information indicating whether or not the target picture should be used as a reference picture when coding another picture is added as header information. Therefore, in a decoding apparatus for decoding a bit stream Bs outputted from the moving picture coding apparatus, management of a memory for holding the reference picture can be facilitated on the basis of the header information.
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Patent Agency Ranking
公开(公告)号：US20150208099A1
公开(公告)日：2015-07-23
申请号：US14674613
申请日：2015-03-31
Inventor： Satoshi KONDO , Shinya KADONO , Makoto HAGAI , Kiyofumi ABE
CPC classification number: H04N19/91 , H03M7/40 , H03M7/4006 , H04L47/29 , H04N19/122 , H04N19/124 , H04N19/13 , H04N19/134 , H04N19/14 , H04N19/172 , H04N19/176 , H04N19/18 , H04N19/182 , H04N19/44 , H04N19/60 , H04N19/61 , H04N19/93
Abstract: The present invention is a variable length coding method for coding coefficients in each block which are obtained by performing frequency transformation on picture data of a moving picture per block having a predetermined size, and comprises: a coefficient scanning step of scanning the coefficients in the block in a predetermined order; and a coding step of coding the coefficients scanned in the coefficient scanning step into variable length codes in a predetermined order by switching a plurality of tables to be used for coding. Here, a direction of switching between the tables may be one-directional. Also, the coding may be non-arithmetic coding.
Abstract translation: 本发明是一种用于对每个块中的系数进行编码的可变长度编码方法，该方法是通过对具有预定尺寸的块的运动图像的图像数据进行频率变换而获得的，包括：扫描块中的系数的系数扫描步骤 以预定的顺序; 以及编码步骤，通过切换要用于编码的多个表，以系数扫描步骤扫描的系数按预定顺序编码为可变长度代码。 这里，表之间的切换方向可以是单向的。 此外，编码可以是非算术编码。
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公开(公告)号：US20150131736A1
公开(公告)日：2015-05-14
申请号：US14602665
申请日：2015-01-22
Inventor： Satoshi KONDO , Shinya KADONO , Makoto HAGAI , Kiyofumi ABE
IPC: H04N19/513 , H04N19/573 , H04N19/583
CPC classification number: H04N19/52 , H04N19/103 , H04N19/105 , H04N19/107 , H04N19/127 , H04N19/136 , H04N19/137 , H04N19/159 , H04N19/16 , H04N19/172 , H04N19/176 , H04N19/184 , H04N19/30 , H04N19/423 , H04N19/46 , H04N19/51 , H04N19/513 , H04N19/573 , H04N19/577 , H04N19/58 , H04N19/583 , H04N19/61 , H04N19/70
Abstract: When a block (MB22) of which motion vector is referred to in the direct mode contains a plurality of motion vectors, 2 motion vectors MV23 and MV24, which are used for inter picture prediction of a current picture (P23) to be coded, are determined by scaling a value obtained from averaging the plurality of motion vectors or selecting one of the plurality of the motion vectors.
Abstract translation: 当以直接模式参考运动矢量的块（MB22）包含多个运动矢量时，用于要编码的当前图像（P23）的帧间预测的2个运动矢量MV23和MV24是 通过缩放从多个运动矢量的平均得到的值或选择多个运动矢量之一来确定。
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公开(公告)号：US20170302956A1
公开(公告)日：2017-10-19
申请号：US15640824
申请日：2017-07-03
Inventor： Satoshi KONDO , Shinya KADONO , Makoto HAGAI , Kiyofumi ABE
IPC: H04N19/52 , H04N19/103 , H04N19/583 , H04N19/58 , H04N19/577 , H04N19/573 , H04N19/513 , H04N19/51 , H04N19/46 , H04N19/423 , H04N19/30 , H04N19/61 , H04N19/176 , H04N19/172 , H04N19/16 , H04N19/159 , H04N19/137 , H04N19/136 , H04N19/127 , H04N19/107 , H04N19/105 , H04N19/70 , H04N19/184
CPC classification number: H04N19/52 , H04N19/103 , H04N19/105 , H04N19/107 , H04N19/127 , H04N19/136 , H04N19/137 , H04N19/159 , H04N19/16 , H04N19/172 , H04N19/176 , H04N19/184 , H04N19/30 , H04N19/423 , H04N19/46 , H04N19/51 , H04N19/513 , H04N19/573 , H04N19/577 , H04N19/58 , H04N19/583 , H04N19/61 , H04N19/70
Abstract: When a block (MB22) of which motion vector is referred to in the direct mode contains a plurality of motion vectors, 2 motion vectors MV23 and MV24, which are used for inter picture prediction of a current picture (P23) to be coded, are determined by scaling a value obtained from averaging the plurality of motion vectors or selecting one of the plurality of the motion vectors.
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公开(公告)号：US20160360232A1
公开(公告)日：2016-12-08
申请号：US15238096
申请日：2016-08-16
Inventor： Satoshi KONDO , Shinya KADONO , Makoto HAGAI
IPC: H04N19/573 , H04N19/172 , H04N19/139 , H04N19/137 , H04N19/176 , H04N19/70 , H04N19/577 , H04N19/103 , H04N19/159 , H04N19/177
CPC classification number: H04N19/00 , H04N19/103 , H04N19/105 , H04N19/107 , H04N19/127 , H04N19/136 , H04N19/137 , H04N19/157 , H04N19/159 , H04N19/16 , H04N19/172 , H04N19/176 , H04N19/423 , H04N19/43 , H04N19/44 , H04N19/46 , H04N19/50 , H04N19/51 , H04N19/573 , H04N19/577 , H04N19/58 , H04N19/61 , H04N19/70
Abstract: A moving picture coding apparatus for performing inter-picture predictive coding for pictures constituting a moving picture is provided with a coding unit for performing predictive error coding for image data; a decoding unit for performing predictive error decoding for an output from the coding unit; a reference picture memory for holding output data from the decoding unit; and a motion vector detection unit for detecting motion vectors on the basis of the decoded image data stored in the memory. When coding a B picture as a target picture, information indicating whether or not the target picture should be used as a reference picture when coding another picture is added as header information. Therefore, in a decoding apparatus for decoding a bit stream Bs outputted from the moving picture coding apparatus, management of a memory for holding the reference picture can be facilitated on the basis of the header information.
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公开(公告)号：US20160094856A1
公开(公告)日：2016-03-31
申请号：US14963536
申请日：2015-12-09
Inventor： Satoshi KONDO , Shinya KADONO , Makoto HAGAI
IPC: H04N19/503
CPC classification number: H04N19/00 , H04N19/103 , H04N19/105 , H04N19/107 , H04N19/127 , H04N19/136 , H04N19/137 , H04N19/157 , H04N19/159 , H04N19/16 , H04N19/172 , H04N19/176 , H04N19/423 , H04N19/43 , H04N19/44 , H04N19/46 , H04N19/50 , H04N19/51 , H04N19/573 , H04N19/577 , H04N19/58 , H04N19/61 , H04N19/70
Abstract: A moving picture coding apparatus for performing inter-picture predictive coding for pictures constituting a moving picture is provided with a coding unit for performing predictive error coding for image data; a decoding unit for performing predictive error decoding for an output from the coding unit; a reference picture memory for holding output data from the decoding unit; and a motion vector detection unit for detecting motion vectors on the basis of the decoded image data stored in the memory. When coding a B picture as a target picture, information indicating whether or not the target picture should be used as a reference picture when coding another picture is added as header information. Therefore, in a decoding apparatus for decoding a bit stream Bs outputted from the moving picture coding apparatus, management of a memory for holding the reference picture can be facilitated on the basis of the header information.
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