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1. 发明申请

US20120002022A1 IMAGE CODING APPARATUS, IMAGE CODING METHOD, PROGRAM, AND INTEGRATED CIRCUIT 审中-公开
标题翻译：图像编码设备，图像编码方法，程序和集成电路
公开(公告)号：US20120002022A1
公开(公告)日：2012-01-05
申请号：US13175348
申请日：2011-07-01
申请人： Hideyuki Ohgose , Katsuki Urano , Kiyofumi Abe , Hiroshi Arakawa , Yuki Maruyama , Yuki Kobayashi
发明人： Hideyuki Ohgose , Katsuki Urano , Kiyofumi Abe , Hiroshi Arakawa , Yuki Maruyama , Yuki Kobayashi
IPC分类号： H04N13/00
CPC分类号： H04N9/8227 , H04N13/189 , H04N19/105 , H04N19/107 , H04N19/137 , H04N19/196 , H04N19/597 , H04N2013/0081
摘要： An image coding apparatus records stereoscopic video partially as 2D video so as to enable display to be performed while seamlessly switching between 3D video and 2D video, and includes: a control unit that sets one of a 2D coding mode and a 3D coding mode which are modes of coding the stereoscopic video so that, when displayed in 3D, the stereoscopic video is displayed as 2D video and 3D video respectively; and a coding unit that, in the case where the control unit switches from the 3D coding mode to the 2D coding mode, codes the to stereoscopic video according to a 3D coding standard in the 3D coding mode, and codes the stereoscopic video according to the 3D coding standard using a coding condition in the 2D coding mode, the coding condition being a condition for causing the stereoscopic video to be viewed as the 2D video when displayed.
摘要翻译：图像编码装置将立体视频部分地记录为2D视频，以便能够在3D视频和2D视频之间无缝切换的同时执行显示，并且包括：控制单元，其设置2D编码模式和3D编码模式之一对立体视频进行编码的模式，使得当以3D显示时，立体视频分别被显示为2D视频和3D视频; 以及编码单元，在所述控制单元从3D编码模式切换到2D编码模式的情况下，根据3D编码模式中的3D编码标准对立体视频进行编码，并根据 3D编码标准，使用2D编码模式中的编码条件，编码条件是当立体视频被显示时被视为2D视频的条件。

2. 发明授权

US09369720B2 Image coding apparatus and image coding method 有权
标题翻译：图像编码装置和图像编码方法
公开(公告)号：US09369720B2
公开(公告)日：2016-06-14
申请号：US13148111
申请日：2010-12-28
申请人： Hideyuki Ohgose , Katsuki Urano , Kiyofumi Abe , Hiroshi Arakawa , Yuki Maruyama
发明人： Hideyuki Ohgose , Katsuki Urano , Kiyofumi Abe , Hiroshi Arakawa , Yuki Maruyama
IPC分类号： H04N7/32 , H04N19/152 , H04N19/176 , H04N19/119 , H04N19/11 , H04N19/14
CPC分类号： H04N19/152 , H04N19/11 , H04N19/119 , H04N19/14 , H04N19/176
摘要： An image coding apparatus and an image coding method allow selecting, according to an image in a macroblock to be coded, a most appropriate intra prediction mode for controlling the amount of generated code. The image coding apparatus includes a block feature quantity calculator which calculates, based on pixel values of pixels in the current macroblock in an input image, statistical information of each of the pixel values; and an intra-prediction block size determiner which determines, based on the calculated statistical information, an intra-prediction block size according to a predetermined reference such that a larger intra-prediction block size is more likely to be selected when a degree of change in the pixel value corresponding to a predetermined direction in the current macroblock is smaller. A encoder which performs intra-prediction coding on the current macroblock, in units of the intra-prediction block having the determined size.
摘要翻译：图像编码装置和图像编码方法允许根据要编码的宏块中的图像来选择用于控制生成代码量的最适合的帧内预测模式。图像编码装置包括块特征量计算器，其基于输入图像中的当前宏块中的像素的像素值计算每个像素值的统计信息; 以及内部预测块尺寸确定器，其基于所计算的统计信息，根据预定参考确定内部预测块大小，使得当更改内部预测块大小的变化程度时，更可能选择更大的帧内预测块大小与当前宏块中的预定方向对应的像素值较小。以具有所确定的大小的帧内预测块为单位对当前宏块执行帧内预测编码的编码器。

3. 发明申请

US20110292998A1 IMAGE CODING APPARATUS AND IMAGE CODING METHOD 有权
标题翻译：图像编码装置和图像编码方法
公开(公告)号：US20110292998A1
公开(公告)日：2011-12-01
申请号：US13148111
申请日：2010-12-28
申请人： Hideyuki Ohgose , Katsuki Urano , Kiyofumi Abe , Hiroshi Arakawa , Yuki Maruyama
发明人： Hideyuki Ohgose , Katsuki Urano , Kiyofumi Abe , Hiroshi Arakawa , Yuki Maruyama
IPC分类号： H04N7/32
CPC分类号： H04N19/152 , H04N19/11 , H04N19/119 , H04N19/14 , H04N19/176
摘要： To provide an image coding apparatus and an image coding method that allow selecting, according to an image in a macroblock to be coded, a most appropriate intra prediction mode for controlling the amount of generated code.The image coding apparatus includes: a block feature quantity calculating unit (102) which calculates, based on pixel values of pixels in the current macroblock in an input image, statistical information of each of the pixel values; an intra-prediction block size determining unit (103) which determines, based on the calculated statistical information, an intra-prediction block size according to a predetermined reference such that a larger intra-prediction block size is more likely to be selected when a degree of change in the pixel value corresponding to a predetermined direction in the current macroblock is smaller; and a coding unit (105) which performs intra-prediction coding on the current macroblock, in units of the intra-prediction block having the determined size.
摘要翻译：为了提供图像编码装置和图像编码方法，其能够根据要编码的宏块中的图像来选择用于控制生成代码量的最合适的帧内预测模式。图像编码装置包括：块特征量计算单元，其基于输入图像中的当前宏块中的像素的像素值计算每个像素值的统计信息; 根据计算出的统计信息，根据规定的基准来确定内部预测块的大小，使得较大的帧内预测块的大小更可能被选择的帧内预测块大小决定部（103）对应于当前宏块中的预定方向的像素值的变化较小; 以及以具有确定尺寸的帧内预测块为单位对当前宏块执行帧内预测编码的编码单元（105）。

4. 发明申请

US20100202513A1 VIDEO SIGNAL CODING APPARATUS AND VIDEO SIGNAL CODING METHOD 有权
标题翻译：视频信号编码设备和视频信号编码方法
公开(公告)号：US20100202513A1
公开(公告)日：2010-08-12
申请号：US12700048
申请日：2010-02-04
申请人： Hiroshi Arakawa , Yuki Maruyama , Hideyuki Ohgose , Kiyofumi Abe
发明人： Hiroshi Arakawa , Yuki Maruyama , Hideyuki Ohgose , Kiyofumi Abe
IPC分类号： H04N7/26
CPC分类号： H04N19/186 , H04N19/126 , H04N19/15 , H04N19/172 , H04N19/61
摘要： Video signal coding apparatus includes: a quantization unit which quantizes, using coefficient values in a first quantization matrix, a luminance signal of each of a first picture and a second picture coded after the first picture, and quantizes, using coefficient values in a second quantization matrix, a chrominance signal of each of the first picture and the second picture; a code amount obtainment unit which obtains a luminance code amount and a chrominance code amount of each of the first picture and the second picture; a rate calculation unit which calculates a rate of the chrominance code amount with respect to the luminance code amount for each of the first picture and the second picture, obtained by the code amount obtainment unit; and a rate control unit which changes a coefficient value of at least one of the first matrix and the second matrix used in quantizing the second picture, before the quantization unit quantizes the second picture, so that the rate for the second picture becomes smaller than the rate for the first picture.
摘要翻译：视频信号编码装置包括：量化单元，其使用第一量化矩阵中的系数值量化在第一图像之后编码的第一图像和第二图像中的每一个的亮度信号，并且使用第二量化中的系数值进行量化矩阵，第一图像和第二图像中的每一个的色度信号; 代码量获取单元，其获得第一图像和第二图像中的每一个的亮度代码量和色度代码量; 速率计算单元，其通过代码量获取单元获得的第一图像和第二图像的亮度代码量的色度代码量的比率; 以及速率控制单元，其在量化单元对第二图像进行量化之前改变在量化第二图像中使用的第一矩阵和第二矩阵中的至少一个的系数值，使得第二图像的比率变得小于率为第一张照片。

5. 发明授权

US08654839B2 Video signal coding apparatus and video signal coding method 有权
标题翻译：视频信号编码装置和视频信号编码方法
公开(公告)号：US08654839B2
公开(公告)日：2014-02-18
申请号：US12700048
申请日：2010-02-04
申请人： Hiroshi Arakawa , Yuki Maruyama , Hideyuki Ohgose , Kiyofumi Abe
发明人： Hiroshi Arakawa , Yuki Maruyama , Hideyuki Ohgose , Kiyofumi Abe
IPC分类号： H04N7/12
CPC分类号： H04N19/186 , H04N19/126 , H04N19/15 , H04N19/172 , H04N19/61
摘要： Video signal coding apparatus includes a quantization unit which quantizes a luminance signal of each of a first picture and a second picture coded after the first picture, and quantizes a chrominance signal of each of the first picture and the second picture. A code amount obtainment unit obtains a luminance code amount and a chrominance code amount of each of the first picture and the second picture; and a rate calculation unit calculates a rate of the chrominance code amount with respect to the luminance code amount for each of the first picture and the second picture. A rate control unit changes a coefficient value of at least one of the first matrix and the second matrix used in quantizing the second picture, before the quantization unit quantizes the second picture, so that the rate for the second picture becomes smaller than the rate for the first picture.
摘要翻译：视频信号编码装置包括量化第一图像和第一图像之后编码的第二图像的亮度信号的量化单元，并对第一图像和第二图像中的每一个的色度信号进行量化。代码量获取单元获得第一图像和第二图像中的每一个的亮度代码量和色度代码量; 并且速率计算单元计算相对于第一图像和第二图像中的每一个的亮度代码量的色度代码量的比率。速率控制单元在量化单元对第二图像进行量化之前改变在量化第二图像中使用的第一矩阵和第二矩阵中的至少一个的系数值，使得第二图像的比率变得小于第一张图片。

6. 发明授权

US09054734B2 Variable length coding method and variable length decoding method 有权
公开(公告)号：US09054734B2
公开(公告)日：2015-06-09
申请号：US11907771
申请日：2007-10-17
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： H04B1/66 , H03M7/40 , H04N19/13 , H04N19/134 , H04N19/61 , H04N19/60 , H04N19/14 , H04N19/18 , H04N19/93 , H04N7/12
CPC分类号： 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
摘要： A variable length coding method is provided 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 includes: 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.

7. 发明授权

US09031133B2 Variable length coding method and variable length decoding method 有权
公开(公告)号：US09031133B2
公开(公告)日：2015-05-12
申请号：US11907775
申请日：2007-10-17
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： H04B1/66 , H03M7/40 , H04N19/13 , H04N19/134 , H04N19/61 , H04N19/60 , H04N19/14 , H04N19/18 , H04N19/93 , H04N7/12
CPC分类号： 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
摘要： A variable length coding method is provided 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 includes: 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.

8. 发明授权

US08787448B2 Picture coding method and picture decoding method 有权
公开(公告)号：US08787448B2
公开(公告)日：2014-07-22
申请号：US12361193
申请日：2009-01-28
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 , H04N11/04 , H04N7/50 , H04N7/26
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.

9. 发明授权

US08755439B2 Moving picture decoding apparatus 有权
标题翻译：运动图像解码装置
公开(公告)号：US08755439B2
公开(公告)日：2014-06-17
申请号：US13428354
申请日：2012-03-23
申请人： Takashi Sugimoto , Takeshi Tanaka , Hiroshi Ikeda , Kiyofumi Abe
发明人： Takashi Sugimoto , Takeshi Tanaka , Hiroshi Ikeda , Kiyofumi Abe
IPC分类号： H04N7/50 , H04N7/26
CPC分类号： H04N19/00533 , H04N19/44 , H04N19/573 , H04N19/577 , H04N19/58 , H04N19/895
摘要： Provided is a moving picture decoding apparatus including: a picture memory that stores previously decoded picture data of a picture including macroblocks and macroblock information described on a macroblock basis, in association therebetween; an error judging unit that judges presence or absence of an error for a current picture to be decoded; a picture data replacing unit that replaces, when an error is present, picture data of the current picture to be decoded with that of a previously decoded picture in the picture memory; and a macroblock information replacing unit that replaces macroblock information in association with the current picture to be decoded including an error with macroblock information stored in association with the previously decoded picture, or a macroblock information storage unit that stores information that indicates presence of the error for the current picture to be decoded in association therewith.
摘要翻译：提供了一种运动图像解码装置，包括：图像存储器，其存储先前解码的图像的图像数据，所述图像包括以宏块为基础描述的宏块和宏块信息; 错误判定单元，判定当前要解码的图像的错误的存在或不存在; 图像数据替换单元，当存在错误时，将要解码的当前图像的图像数据与图像存储器中的先前解码图像的图像数据替换; 以及宏块信息替换单元，其将与当前要解码的图像相关联的宏块信息替换为包含与先前解码的图像相关联地存储的宏块信息的错误;宏块信息存储单元，其存储指示错误存在的信息，要与之相关联的当前图像被解码。

10. 发明授权

US08605789B2 Motion vector calculation method 有权
公开(公告)号：US08605789B2
公开(公告)日：2013-12-10
申请号：US13606612
申请日：2012-09-07
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.

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