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1. 发明授权

US08964839B2 Moving picture coding method, and moving picture decoding method 有权
公开(公告)号：US08964839B2
公开(公告)日：2015-02-24
申请号：US13486358
申请日：2012-06-01
申请人： Satoshi Kondo , Shinya Kadono , Makoto Hagai
发明人： Satoshi Kondo , Shinya Kadono , Makoto Hagai
IPC分类号： H04N19/00 , H04N19/423 , H04N19/51 , H04N19/583 , H04N19/16 , H04N19/44 , H04N19/70 , H04N19/105 , H04N19/107 , H04N19/137 , H04N19/172 , H04N19/176 , H04N19/127 , H04N19/61 , H04N19/136 , H04N19/43 , H04N19/103 , H04N19/577 , H04N19/46 , H04N19/157
CPC分类号： 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
摘要： 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.

2. 发明授权

US08948265B2 Motion vector derivation method, moving picture coding method and moving picture decoding method 有权
标题翻译：运动矢量导出方法，运动图像编码方法和运动图像解码方法
公开(公告)号：US08948265B2
公开(公告)日：2015-02-03
申请号：US13372885
申请日：2012-02-14
申请人： Shinya Kadono , Satoshi Kondo , Makoto Hagai , Kiyofumi Abe
发明人： Shinya Kadono , Satoshi Kondo , Makoto Hagai , Kiyofumi Abe
IPC分类号： H04B1/66 , H04N19/51 , G06F1/03 , H04N21/2743 , H04N19/583 , H04N19/61 , H04N19/43 , H04N19/577 , H04N19/503
CPC分类号： 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
摘要： 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.
摘要翻译：运动矢量导出单元包括比较单元，用于将参考矢量的参数TR1与预定值进行比较，以确定其是否超过预定值; 切换单元，用于根据比较单元的比较结果切换预存储参数TR的最大值与参数TR1之间的选择; 乘数参数表（用于乘数）; 以及用于将参数TR1与接近该参数TR1的反相值（1 / TR1）的值相关联的乘数参数表（用于除数）。

3. 发明授权

US08675729B2 Picture coding method and picture decoding method 有权
标题翻译：图像编码方法和图像解码方法
公开(公告)号：US08675729B2
公开(公告)日：2014-03-18
申请号：US11979008
申请日：2007-10-30
申请人： Shinya Kadono , Satoshi Kondo , Makoto Hagai , Kiyofumi Abe
发明人： Shinya Kadono , Satoshi Kondo , Makoto Hagai , Kiyofumi Abe
IPC分类号： H04N7/12
CPC分类号： H04N19/105 , G11B27/10 , G11B27/105 , H04N19/107 , H04N19/134 , H04N19/172 , H04N19/176 , H04N19/423 , H04N19/46 , H04N19/573 , H04N19/61 , H04N19/70 , H04N19/89 , H04N21/44016
摘要： In a picture coding method for generating a coded signal corresponding to each picture by coding a plurality of coded signals, a switching picture which is capable of switching a plurality of coded signals and subsequent pictures of the switching picture can refer to only a group of pictures of the same time in the coded signals. More specifically, the case where picture numbers of an adjacent picture of an S picture and the S picture are not continuous is not considered as an error.
摘要翻译：在通过对多个编码信号进行编码来生成与每个图像相对应的编码信号的图像编码方法中，能够切换多个编码信号的切换图像和切换图像的后续图像可以仅指一组图像同时在编码信号中。更具体地说，S图像和S图像的相邻图像的图像号不连续的情况不被认为是错误。

4. 发明授权

US08660192B2 Picture encoding method and picture decoding method 有权
标题翻译：图像编码方法和图像解码方法
公开(公告)号：US08660192B2
公开(公告)日：2014-02-25
申请号：US13461237
申请日：2012-05-01
申请人： Chong Soon Lim , Teck Wee Foo , Sheng Mei Shen , Shinya Kadono , Satoshi Kondo , Makoto Hagai , Kiyofumi Abe
发明人： Chong Soon Lim , Teck Wee Foo , Sheng Mei Shen , Shinya Kadono , Satoshi Kondo , Makoto Hagai , Kiyofumi Abe
IPC分类号： H04B1/66 , H04N7/12 , H04N11/02 , H04N11/04 , H04N7/50
CPC分类号： G06T7/20 , G06T1/60 , G09G5/18 , G09G2360/12 , H04N19/126 , H04N19/423 , H04N19/44 , H04N19/50 , H04N19/51 , H04N19/52 , H04N19/55 , H04N19/577 , H04N19/61 , H04N19/70 , H04N21/23406 , H04N21/44004
摘要： A picture encoding method of the present invention is a picture encoding method of predictively encoding an input picture with reference to pictures stored in a picture buffer, decoding the encoded input picture, judging whether or not the decoded picture is a picture for reference and whether or not the decoded picture is a picture for output which needs to be stored until its display time, and storing, in the picture buffer, the picture for reference and the picture for output based on the determination result.
摘要翻译：本发明的图像编码方法是参照存储在图像缓冲器中的图像对编码输入图像进行预测编码的图像编码方法，对经编码的输入图像进行解码，判断解码图像是否为参照图像，解码图像不是直到其显示时间需要存储的用于输出的图像，并且基于确定结果将图像缓冲器存储在参考图像和图像中以用于输出。

5. 发明授权

US08396132B2 Moving picture coding method and moving picture decoding method 有权
标题翻译：运动图像编码方法和运动图像解码方法
公开(公告)号：US08396132B2
公开(公告)日：2013-03-12
申请号：US12724809
申请日：2010-03-16
申请人： Kiyofumi Abe , Shinya Kadono , Makoto Hagai , Satoshi Kondo
发明人： Kiyofumi Abe , Shinya Kadono , Makoto Hagai , Satoshi Kondo
IPC分类号： H04N11/02
CPC分类号： H04N19/00024 , H04N19/105 , H04N19/114 , H04N19/115 , H04N19/14 , H04N19/149 , H04N19/156 , H04N19/162 , H04N19/164 , H04N19/177 , H04N19/51 , H04N19/573 , H04N19/58 , H04N19/61
摘要： A moving picture coding apparatus (10a) according to the present invention includes a level analyzer (100a) that decides the maximum number of intra frame pixels which can be coded (Nfpx) and the maximum number of storage pixels which can be stored in a picture memory of a decoding apparatus (Nspx) on the basis of a level identifier (Lst) indicating a coding level that is designated by the user, thereby judging whether coding of an input image is possible or not and calculating the maximum number of reference pictures (Nrpn) as the number of reference candidate pictures which can be referred to at inter picture prediction coding, on the basis of the maximum number of intra frame pixels (Nfpx) and the input image size (the number of vertical pixels (Nhpx) and the number of horizontal pixels (Nwpx)). A decoding apparatus to which a bit stream from the moving picture coding apparatus (10a) is supplied can always decode the bit stream satisfactorily, and perform inter picture prediction decoding corresponding to the inter picture prediction coding on the coding end. Consequently, memory areas of a coding apparatus and a decoding apparatus that are adapted to a coding method in which there is no restraint on the capacity of the memory area can be designed.
摘要翻译：根据本发明的运动图像编码装置（10a）包括：电平分析器（100a），其决定可编码的帧内像素的最大数目（Nfpx）和可以存储在图像中的最大存储像素数基于指示用户指定的编码电平的电平识别符（Lst），解码装置（Nspx）的存储器，从而判断输入图像的编码是否可行，并且计算参考图像的最大数量（ Nrpn）作为帧间预测编码时可参照的参考候选图像的数量，基于帧内像素的最大数目（Nfpx）和输入图像大小（垂直像素数（Nhpx））和水平像素数（Nwpx））。提供来自运动图像编码装置（10a）的比特流的解码装置可以令人满意地解码比特流，并且对编码结束中的帧间预测编码执行帧间预测解码。因此，可以设计适合于对存储区域的容量没有约束的编码方法的编码装置和解码装置的存储区域。

6. 发明授权

US08290286B2 Picture coding method and picture decoding method 有权
公开(公告)号：US08290286B2
公开(公告)日：2012-10-16
申请号：US12240379
申请日：2008-09-29
申请人： Kiyofumi Abe , Shinya Kadono , Satoshi Kondo , Makoto Hagai
发明人： Kiyofumi Abe , Shinya Kadono , Satoshi Kondo , Makoto Hagai
IPC分类号： G06K9/36 , H04N7/12 , H03M7/40
CPC分类号： G06T9/004 , H04N19/105 , H04N19/11 , H04N19/13 , H04N19/136 , H04N19/159 , H04N19/176 , H04N19/593 , H04N19/60 , H04N19/61
摘要： The method includes the following units: a coefficient number detecting unit (109) for detecting the number of coefficients which has a value other than 0 for each block according to the generated coefficient, a coefficient number storing unit (110) for storing the number of coefficients detected, a coefficient number coding unit (111) for selecting a table for variable length coding based on the numbers of coefficients in the coded blocks located on the periphery of a current block to be coded with reference to the selected table for variable length coding so as to perform variable length coding for the number of coefficients.

7. 发明授权

US08290049B2 Motion vector calculation method 有权
标题翻译：运动矢量计算方法
公开(公告)号：US08290049B2
公开(公告)日：2012-10-16
申请号：US12766254
申请日：2010-04-23
申请人： Satoshi Kondo , Shinya Kadono , Makoto Hagai , Kiyofumi Abe
发明人： Satoshi Kondo , Shinya Kadono , Makoto Hagai , Kiyofumi Abe
IPC分类号： H04N11/02
CPC分类号： 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
摘要： 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.
摘要翻译：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。

8. 发明授权

US08265153B2 Moving picture coding method, and moving picture decoding method 有权
标题翻译：运动图像编码方法和运动图像解码方法
公开(公告)号：US08265153B2
公开(公告)日：2012-09-11
申请号：US12570423
申请日：2009-09-30
申请人： Satoshi Kondo , Shinya Kadono , Makoto Hagai
发明人： Satoshi Kondo , Shinya Kadono , Makoto Hagai
IPC分类号： H04B1/66 , H04N7/12
CPC分类号： 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
摘要： A moving picture coding apparatus for performing inter-picture predictive coding on pictures constituting a moving picture is provided with a coding unit for performing predictive error coding on image data; a decoding unit for performing predictive error decoding on 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 forward and backward motion vectors on the basis of decoded image data stored in the memory. When coding a B picture, a picture that is timewise closest to the target picture is used as a candidate picture for forward reference, and an I or P picture that is timewise closest to the target picture is used as a candidate picture for backward reference. The moving picture coding apparatus so constructed can improve coding efficiency of a B picture to be subjected to bidirectional predictive coding.
摘要翻译：用于对构成运动图像的图像执行画面间预测编码的运动图像编码装置设置有用于对图像数据执行预测误差编码的编码单元; 解码单元，用于对来自编码单元的输出进行预测误差解码; 用于保存来自解码单元的输出数据的参考图像存储器; 以及运动矢量检测单元，用于基于存储在存储器中的解码图像数据检测前向和后向运动矢量。当对B图像进行编码时，将最接近目标图像的图像用作用于正向参考的候选图像，并且使用时间上最接近目标图像的I图像或P图像作为用于反向参考的候选图像。这样构成的运动图像编码装置能够提高要进行双向预测编码的B图像的编码效率。

9. 发明授权

US08194759B2 Picture coding method and picture decoding method 有权
标题翻译：图像编码方法和图像解码方法
公开(公告)号：US08194759B2
公开(公告)日：2012-06-05
申请号：US11979014
申请日：2007-10-30
申请人： Makoto Hagai , Shinya Kadono
发明人： Makoto Hagai , Shinya Kadono
IPC分类号： H04N7/12
CPC分类号： H04N19/86 , H04N19/117 , H04N19/14 , H04N19/156 , H04N19/159 , H04N19/162 , H04N19/172 , H04N19/174 , H04N19/176 , H04N19/182 , H04N19/46 , H04N19/527 , H04N19/61 , H04N19/82
摘要： A picture coding apparatus (300) is a picture coding apparatus that codes a difference between picture data (Img) representing an input picture and predictive picture data (Pred) representing a predictive picture for the input picture and generates coded picture data, and includes a picture decoding unit (104) for decoding coded picture data (Img) after the picture data (Img) is coded; inter pixel filters A and B (303 and 304) for performing inter pixel filter operation for decoded picture data (Recon) obtained by the picture decoding unit (104); switches (301 and 302) for selecting one of the inter pixel filters; and an inter picture predicting unit (108) for generating the predictive picture data (Pred) for the input picture data (Img) using filtered decoded picture data (FilteredImg1), as reference picture data (Ref), obtained by the selected inter pixel filter.
摘要翻译：图像编码装置（300）是编码表示输入图像的图像数据（Img）与表示输入图像的预测图像的预测图像数据（Pred）之间的差的图像编码装置，生成编码图像数据，并且包括在图像数据（Img）被编码之后，解码编码图像数据（Img）的图像解码单元（104）用于对由图像解码单元（104）获得的解码图像数据（Recon）执行像素间滤波操作的像素间滤波器A和B（303和304）; 用于选择所述像素间滤波器之一的开关（301和302）以及帧间预测单元，用于使用经过滤波的解码图像数据（FilteredImg1）作为参考图像数据（Ref），通过所选择的像素间滤波器（Ref）产生用于输入图像数据（Img）的预测图像数据（Pred）。

10. 发明授权

US08160147B2 Motion vector coding and decoding methods 有权
标题翻译：运动矢量编码和解码方法
公开(公告)号：US08160147B2
公开(公告)日：2012-04-17
申请号：US11980661
申请日：2007-10-31
申请人： Satoshi Kondo , Shinya Kadono , Makoto Hagai , Kiyofumi Abe
发明人： Satoshi Kondo , Shinya Kadono , Makoto Hagai , Kiyofumi Abe
IPC分类号： H04N7/12 , H04N11/02 , H04N11/04 , H04B1/66
CPC分类号： H04N19/61 , H04N19/176 , H04N19/51 , H04N19/513 , H04N19/517 , H04N19/52 , H04N19/573
摘要： A motion vector coding method and apparatus that improves efficiency of coding motion vectors when a current block is coded using a plurality of motion vectors. The apparatus includes a motion vector coding unit that codes a motion vector inputted from a motion vector detecting unit. A motion vector for each current block is coded based on a difference between the motion vector and a predicted vector obtained from motion vectors for previously coded neighboring blocks. The predicted vector is generated by one of the following processes: (A) the motion vectors which refer to the same picture are selected from among the motion vectors for the neighboring blocks so as to generate the predicted vector; (B) the motion vectors for the respective neighboring blocks are ordered in the predetermined order, and the motion vectors of the same order rank are selected from the ordered motion vectors so as to generate the predicted vector; and (C) the predicted vector for the second motion vector of the current block shall be the first motion vector, and if the second motion vector and the first motion vector refer to different pictures, the first motion vector is scaled according to the temporal distance between the pictures so as to generate the predicted vector.
摘要翻译：一种使用多个运动矢量对当前块进行编码时提高编码运动矢量效率的运动矢量编码方法和装置。该装置包括对从运动矢量检测单元输入的运动矢量进行编码的运动矢量编码单元。基于运动矢量与从先前编码的相邻块的运动矢量获得的预测矢量之间的差来对每个当前块的运动矢量进行编码。通过以下处理之一生成预测矢量：（A）从相邻块的运动矢量中选择引用相同图像的运动矢量，以生成预测矢量; （B）各个相邻块的运动矢量以预定顺序排列，从有序运动矢量中选择相同次序秩的运动矢量，以产生预测矢量; 和（C）当前块的第二运动矢量的预测矢量应为第一运动矢量，如果第二运动矢量和第一运动矢量指的是不同的图像，则第一运动矢量根据时间距离在图像之间产生预测矢量。

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