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71. 发明申请

US20080137731A1 Image encoding method and image decoding method, image encoder and image decoder, and image encoded bit stream and recording medium 有权
公开(公告)号：US20080137731A1
公开(公告)日：2008-06-12
申请号：US11980402
申请日：2007-10-31
申请人： Shunichi Sekiguchi , Yoshimi Moriya , Kazuo Sugimoto , Yoshihisa Yamada , Kohtaro Asai , Tokumichi Murakami , Yuichi Idehara
发明人： Shunichi Sekiguchi , Yoshimi Moriya , Kazuo Sugimoto , Yoshihisa Yamada , Kohtaro Asai , Tokumichi Murakami , Yuichi Idehara
IPC分类号： H04N11/02
CPC分类号： H04N19/436 , H04N19/103 , H04N19/115 , H04N19/174 , H04N19/176 , H04N19/186 , H04N19/46 , H04N19/61 , H04N19/70
摘要： The present invention makes it possible to include, when encoding processing is applied to three color components using a 4:0:0 format, data for one picture in one access unit and makes it possible to set the same time information or the same set encoding modes among the respective color components. In an image encoding system for applying compression processing to an input image signal including a plurality of color components, encoded data obtained by independently subjecting an input image signal of each of the color components to encoding processing and a parameter indicating which color component the encoded data corresponds to are multiplexed with a bit stream. In an image decoding system for inputting a bit stream in which an image signal including a plurality of color components is compressed to perform decoding processing, decoding processing of the encoded data of each of the color components is performed using a parameter indicating which color component the encoded data corresponds to.

72. 发明申请

US20070014354A1 Image coding apparatus with segment classification and segmentation-type motion prediction circuit 审中-公开
标题翻译：具有段分类和分段式运动预测电路的图像编码装置
公开(公告)号：US20070014354A1
公开(公告)日：2007-01-18
申请号：US11525131
申请日：2006-09-22
申请人： Tokumichi Murakami , Kohtaro Asai , Yoshihisa Yamada , Takahiro Fukuhara
发明人： Tokumichi Murakami , Kohtaro Asai , Yoshihisa Yamada , Takahiro Fukuhara
IPC分类号： H04N7/12 , H04B1/66
CPC分类号： H04N19/543 , H04N19/105 , H04N19/115 , H04N19/117 , H04N19/12 , H04N19/124 , H04N19/127 , H04N19/132 , H04N19/137 , H04N19/14 , H04N19/17 , H04N19/176 , H04N19/20 , H04N19/23 , H04N19/46 , H04N19/537 , H04N19/61
摘要： A segmenting section divides an input image into a plurality of segments. A hierarchizing section determines classes of the respective segments according to a predetermined criterion, and produces a class identification signal indicating the classes of the respective segments. A coding section encodes the segmented image signal into code data while changing the value of a coding control parameter for each of the segments in accordance with the class identification signal. Examples of the coding control parameter are a coding time interval and precision of quantization.
摘要翻译：分割部分将输入图像分成多个段。层次化部分根据预定标准确定各个片段的类别，并且产生指示各个片段的类别的类别识别信号。编码部根据类识别信号，对分割后的图像信号进行编码，同时根据各个片段改变编码控制参数的值。编码控制参数的示例是编码时间间隔和量化精度。

73. 发明授权

US07110456B2 Video encoder, video decoder, video encoding method, video decoding method, and video encoding and decoding system 有权
标题翻译：视频编码器，视频解码器，视频编码方式，视频解码方式，视频编解码系统
公开(公告)号：US07110456B2
公开(公告)日：2006-09-19
申请号：US10086446
申请日：2002-03-04
申请人： Shunichi Sekiguchi , Kohtaro Asai , Tokumichi Murakami , Hirofumi Nishikawa , Shinichi Kuroda , Yoshimi Isu , Yuri Hasegawa
发明人： Shunichi Sekiguchi , Kohtaro Asai , Tokumichi Murakami , Hirofumi Nishikawa , Shinichi Kuroda , Yoshimi Isu , Yuri Hasegawa
IPC分类号： H04N7/12
CPC分类号： H04N19/523 , H04N19/53 , H04N19/537 , H04N19/61
摘要： A method and a video decoder for decoding an encoded bitstream of video data in a picture encoding and decoding system are disclosed. The video decoder includes a motion compensation unit for calculating a position for a sample image portion using an encoded bitstream of video data having a motion vector and rounding information. The calculated position of a sample image is rounded with the rounding information. The rounding information indicates the accuracy for rounding, and it is decoded from the bitstream. An image reconstruction unit reconstructs a decoded image portion of the video data from the sample image portion.
摘要翻译：公开了一种用于对图像编码和解码系统中的视频数据的编码比特流进行解码的方法和视频解码器。视频解码器包括运动补偿单元，用于使用具有运动矢量和舍入信息的视频数据的编码比特流来计算采样图像部分的位置。样本图像的计算位置用舍入信息四舍五入。舍入信息表示舍入的精度，并从比特流中解码。图像重建单元从样本图像部分重建视频数据的解码图像部分。

74. 发明申请

US20060159180A1 Video encoder, video decoder, video encoding method, video decoding method, and video encoding and decoding system 有权
公开(公告)号：US20060159180A1
公开(公告)日：2006-07-20
申请号：US11386685
申请日：2006-03-23
申请人： Shunichi Sekiguchi , Kohtaro Asai , Tokumichi Murakami , Hirofumi Nishikawa , Shinichi Kuroda , Yoshimi Isu , Yuri Hasegawa
发明人： Shunichi Sekiguchi , Kohtaro Asai , Tokumichi Murakami , Hirofumi Nishikawa , Shinichi Kuroda , Yoshimi Isu , Yuri Hasegawa
IPC分类号： H04N11/04 , H04N7/12 , H04N11/02 , H04B1/66
CPC分类号： H04N19/523 , H04N19/53 , H04N19/537 , H04N19/61
摘要： A method and a video decoder for decoding an encoded bitstream of video data in a picture encoding and decoding system are disclosed. The video decoder includes a motion compensation unit for calculating a position for a sample image portion using an encoded bitstream of video data having a motion vector and rounding information. The calculated position of a sample image is rounded with the rounding information. The rounding information indicates the accuracy for rounding, and it is decoded from the bitstream. An image reconstruction unit reconstructs a decoded image portion of the video data from the sample image portion.

75. 发明授权

US07075989B2 Motion compensating apparatus, moving image coding apparatus and method 失效
标题翻译：运动补偿装置，运动图像编码装置及方法
公开(公告)号：US07075989B2
公开(公告)日：2006-07-11
申请号：US10837704
申请日：2004-05-04
申请人： Tokumichi Murakami , Hideo Ohira , Hirofumi Nishikawa , Kenichi Asano , Yoshihisa Yamada , Shunichi Sekiguchi , Kohtaro Asai
发明人： Tokumichi Murakami , Hideo Ohira , Hirofumi Nishikawa , Kenichi Asano , Yoshihisa Yamada , Shunichi Sekiguchi , Kohtaro Asai
IPC分类号： H04N7/12
CPC分类号： H04N11/042 , H04N19/51 , H04N19/517 , H04N19/567
摘要： The present invention provides a motion compensating apparatus which is capable of enhancing the overall coding efficiency by taking the amount of coded information used to code a motion vector as well as the sum of difference absolute values of estimated differences into consideration in order to determine an optimal vector. The motion compensating apparatus includes: a motion compensation processing unit for outputting a motion vector between an input image and a reference image, and an estimated image which is extracted from the reference image in accordance with the motion vector; a unit for calculating the sum of difference absolute values, as a distortion amount calculating unit, to obtain a distortion amount between the input image and the estimated image; a vector value coding unit for receiving the motion vector to code the motion vector thus inputted thereto to output a vector coded amount; and an optimal vector determining unit for receiving the motion vector, the distortion amount and the vector coded amount to obtain, for all of a plurality of motion vectors to be evaluated, an evaluation function calculated from the distortion amount and the vector coded amount to output as an optimal vector the motion vector in which the evaluation function exhibits a minimum value.
摘要翻译：本发明提供一种运动补偿装置，其能够通过考虑用于编码运动矢量的编码信息的量以及估计差的绝对值之和来提高整体编码效率，以便确定最优向量。运动补偿装置包括：运动补偿处理单元，用于输出输入图像和参考图像之间的运动矢量，以及根据运动矢量从参考图像中提取的估计图像; 用于计算差分绝对值之和作为失真量计算单元获得输入图像与估计图像之间的失真量的单元; 矢量值编码单元，用于接收运动矢量以对输入的运动矢量进行编码，以输出矢量编码量; 以及最佳向量确定单元，用于接收所述运动矢量，所述失真量和矢量编码量，以针对要评估的多个运动矢量的全部获得从所述失真量和所述矢量编码量计算出的评估函数以输出作为评估函数呈现最小值的运动矢量的最佳向量。

76. 发明申请

US20060140279A1 Image coding apparatus with segment classification and segmentation-type motion prediction circuit 审中-公开
标题翻译：具有段分类和分段式运动预测电路的图像编码装置
公开(公告)号：US20060140279A1
公开(公告)日：2006-06-29
申请号：US11360510
申请日：2006-02-24
申请人： Tokumichi Murakami , Kohtaro Asai , Yoshihisa Yamada
发明人： Tokumichi Murakami , Kohtaro Asai , Yoshihisa Yamada
IPC分类号： H04N11/02 , H04N11/04 , H04N7/12 , H04B1/66
CPC分类号： H04N19/543 , H04N19/105 , H04N19/115 , H04N19/117 , H04N19/12 , H04N19/124 , H04N19/127 , H04N19/132 , H04N19/137 , H04N19/14 , H04N19/17 , H04N19/176 , H04N19/20 , H04N19/23 , H04N19/46 , H04N19/537 , H04N19/61
摘要： A segmenting section divides an input image into a plurality of segments. A hierarchizing section determines classes of the respective segments according to a predetermined criterion, and produces a class identification signal indicating the classes of the respective segments. A coding section encodes the segmented image signal into code data while changing the value of a coding control parameter for each of the segments in accordance with the class identification signal. Examples of the coding control parameter are a coding time interval and precision of quantization.
摘要翻译：分割部分将输入图像分成多个段。层次化部分根据预定标准确定各个片段的类别，并且产生指示各个片段的类别的类别识别信号。编码部根据类识别信号，对分割后的图像信号进行编码，同时根据各个片段改变编码控制参数的值。编码控制参数的示例是编码时间间隔和量化精度。

77. 发明授权

US06658058B1 Picture coding apparatus 失效
标题翻译：图像编码装置
公开(公告)号：US06658058B1
公开(公告)日：2003-12-02
申请号：US09663926
申请日：2000-09-18
申请人： Shinichi Kuroda , Fuminobu Ogawa , Shunichi Sekiguchi , Kohtaro Asai , Yuri Hasegawa , Tokumichi Murakami
发明人： Shinichi Kuroda , Fuminobu Ogawa , Shunichi Sekiguchi , Kohtaro Asai , Yuri Hasegawa , Tokumichi Murakami
IPC分类号： H04N736
CPC分类号： H04N21/6377 , H04N19/105 , H04N19/107 , H04N19/12 , H04N19/126 , H04N19/13 , H04N19/137 , H04N19/149 , H04N19/15 , H04N19/152 , H04N19/154 , H04N19/159 , H04N19/172 , H04N19/51 , H04N19/55 , H04N19/61 , H04N19/70 , H04N19/895 , H04N21/658
摘要： Any type of media data can be played back on a receiving side regardless of quality conditions of a data transmission line. Therefore, in a differential motion vector limiting unit 10, the number of cases of the inputting of “1” as quality conditions 9 of a data transmission line is counted and held for each unit time by using an internal timer. In simultaneous with the holding of the counted number, a differential motion vector limiting unit 10 refers to the counted number according to input position information 22 of a to-be-coded macro-block for each picture, and differential motion vector limiting information 11 is determined according to the referred counted number. In a motion compensation predicting unit 12, a differential motion vector is calculated, and the differential motion vector is compared with the differential motion vector limiting information 11. In cases where the calculated differential motion vector is beyond the differential motion vector limiting information 11, the differential motion vector is replaced with the differential motion vector limiting information 11 to set a limit to the differential motion vector, and the motion vector 21 is output to a VLC unit 20.
摘要翻译：无论数据传输线的质量状况如何，任何类型的媒体数据都可以在接收端进行播放。因此，在差分运动矢量限制部10中，通过使用内部定时器，对于每单位时间对数据传输线的质量条件9输入“1”的情况的数量进行计数。差分运动矢量限制部10与保持该数的同时同时根据每个图像的要编码的宏块的输入位置信息22来参照计数的数，差分运动矢量限制信息11是根据参考计数确定。在运动补偿预测单元12中，计算差分运动矢量，并将差分运动矢量与微分运动矢量限制信息11进行比较。在计算出的微分运动矢量超过差分运动矢量限制信息11的情况下，微分运动矢量被差分运动矢量限制信息11代替以设定差分运动矢量的极限，运动矢量21输出到VLC单元20。

78. 发明授权

US6018366A Video coding and decoding system and method 失效
标题翻译：视频编解码系统及方法
公开(公告)号：US6018366A
公开(公告)日：2000-01-25
申请号：US766179
申请日：1996-12-12
申请人： Kohtaro Asai , Takahiro Fukuhara , Tokumichi Murakami
发明人： Kohtaro Asai , Takahiro Fukuhara , Tokumichi Murakami
IPC分类号： H04N11/04 , G06T9/00 , H04N19/126 , H04N19/132 , H04N19/134 , H04N19/136 , H04N19/137 , H04N19/139 , H04N19/147 , H04N19/152 , H04N19/176 , H04N19/186 , H04N19/196 , H04N19/423 , H04N19/46 , H04N19/50 , H04N19/503 , H04N19/51 , H04N19/567 , H04N19/59 , H04N19/61 , H04N19/625 , H04N19/70 , H04N19/85 , H04N19/91 , H04N7/12 , H04N11/02
CPC分类号： H04N19/85 , H04N19/186 , H04N19/587 , H04N19/61 , H04N19/30
摘要： A video encoder for quantizing format-transformed source input-pictures into quantized data, and for coding the quantized data into coded bitstream, for outputting the coded bitstream, comprises a plural-density format-transformer for transforming a source input-picture into a specific format-transformed source input-picture; and a detector for detecting a variation in one of a specific luminance and color difference signal, and for selecting the specific format-transformed source input-picture for input to the quantizer depending on the variation. A decoder having a corresponding configuration is also provided.
摘要翻译：一种视频编码器，用于将格式转换的源输入图像量化为量化数据，并将用于将经量化的数据编码为编码比特流，用于输出编码的比特流，包括用于将源输入图像变换为特定数据的多密度格式变换器格式转换的源输入图片; 以及检测器，用于检测特定亮度和色差信号中的一个的变化，并且用于根据变化选择用于输入到量化器的特定格式变换的源输入图像。还提供了具有相应配置的解码器。

79. 发明授权

US5949489A Image signal coding system 失效
公开(公告)号：US5949489A
公开(公告)日：1999-09-07
申请号：US126762
申请日：1998-07-31
申请人： Hirofumi Nishikawa , Yoshihisa Yamada , Tokumichi Murakami , Kohtaro Asai
发明人： Hirofumi Nishikawa , Yoshihisa Yamada , Tokumichi Murakami , Kohtaro Asai
IPC分类号： H04N19/60 , G06T9/00 , H04N11/04 , H04N19/00 , H04N19/119 , H04N19/124 , H04N19/129 , H04N19/132 , H04N19/136 , H04N19/176 , H04N19/196 , H04N19/85 , H04N19/91 , H04N7/32
CPC分类号： H04N19/577 , H04N19/105 , H04N19/112 , H04N19/119 , H04N19/124 , H04N19/132 , H04N19/137 , H04N19/14 , H04N19/152 , H04N19/16 , H04N19/172 , H04N19/176 , H04N19/61
摘要： An adaptive blocking coding system selects an effective blocking of an input image signal to be encoded in accordance with the correlation between fields, even if motion is detected between the fields. The blocking patterns include an individual field blocking, a non-interlace blocking, a split blocking and an inverted split blocking. Further, the coding system searches for motion from both odd and even fields of a frame for producing a motion compensated prediction signal in order to provide high-efficient coding.

80. 发明授权

US5420873A Apparatus for decoding BCH code for correcting complex error 失效
标题翻译：用于对用于校正复杂错误的BCH码进行解码的装置
公开(公告)号：US5420873A
公开(公告)日：1995-05-30
申请号：US844159
申请日：1992-04-06
申请人： Atsuhiro Yamagishi , Touru Inoue , Tokumichi Murakami , Kohtaro Asai
发明人： Atsuhiro Yamagishi , Touru Inoue , Tokumichi Murakami , Kohtaro Asai
IPC分类号： H03M13/17 , G11C29/00 , G06F11/10 , H03M13/00
CPC分类号： H03M13/17
摘要： An apparatus for decoding a received BCH code signal for correcting a combined complex error is disclosed which includes a syndrome generating circuit for generating two n-bit syndromes corresponding to the received signal, a syndrome converting circuit for converting the two n-bit syndromes to a 2n-bit syndrome, a random error correcting circuit, a burst error correcting circuit, two combining circuits and output selecting circuit. The random error correcting circuit inputs the two n-bit syndromes and outputs a random error correction signal to one of the combining circuits and the burst error correcting circuit inputs the 2n-bit syndrome and outputs a burst error correction signal to the other of the combining circuits. The combining circuits combine the correction signals to the received BCH code signal. The output selecting circuit selectively outputs one of the combined signals from the combining circuits in accordance with the decoding conditions of the error correcting circuits and the result of comparison between the decoded and error-corrected signals from the combining circuits.
摘要翻译：公开了一种用于解码接收到的用于校正组合复错误的BCH码信号的装置，其包括用于产生对应于接收信号的两个n位校正子的校正子产生电路，用于将两个n位校正子转换为 2n位校正子，随机纠错电路，脉冲串纠错电路，两个组合电路和输出选择电路。随机误差校正电路输入两个n位校正子，并向合成电路之一输出随机纠错信号，并且脉冲串纠错电路输入2n位校正子，并将脉冲串纠错信号输出到组合中的另一个电路。组合电路将校正信号组合到接收的BCH码信号。输出选择电路根据纠错电路的解码条件和来自组合电路的解码和纠错信号之间的比较结果，有选择地输出来自组合电路的组合信号之一。

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