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11. 发明专利

JP2012186762A Video encoding device, video decoding device, video encoding method, and video decoding method 审中-公开
标题翻译：视频编码设备，视频解码设备，视频编码方法和视频解码方法
公开(公告)号：JP2012186762A
公开(公告)日：2012-09-27
申请号：JP2011050204
申请日：2011-03-08
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： ITANI YUSUKE , SEKIGUCHI SHUNICHI , SUGIMOTO KAZUO
IPC分类号： H04N19/50 , H04N19/105 , H04N19/109 , H04N19/119 , H04N19/134 , H04N19/146 , H04N19/154 , H04N19/157 , H04N19/176 , H04N19/186 , H04N19/196 , H04N19/423 , H04N19/46 , H04N19/503 , H04N19/51 , H04N19/513 , H04N19/553 , H04N19/593 , H04N19/60 , H04N19/61 , H04N19/70 , H04N19/80 , H04N19/82 , H04N19/91 , H04N19/96
摘要： PROBLEM TO BE SOLVED: To reduce a code amount by allowing an optimum encoding mode to be selected in a predetermined block unit and allowing a marge mode to be selected as the optimum encoding mode.SOLUTION: A motion parameter suitable for generation of a prediction image is selected from among motion parameters used in motion compensated prediction processing on one or more encoded blocks positioned around an encoding block, the motion compensated prediction processing on the encoding block is performed using the motion parameter to generate the prediction image, and variable length encoding is performed on index information indicating the motion parameter.
摘要翻译：要解决的问题：通过允许以预定块单位选择最佳编码模式并允许选择大型模式作为最佳编码模式来减少代码量。解决方案：从对位于编码块周围的一个或多个编码块的运动补偿预测处理中使用的运动参数中选择适合于生成预测图像的运动参数，对编码块执行运动补偿预测处理使用运动参数来生成预测图像，并且对指示运动参数的索引信息执行可变长度编码。版权所有（C）2012，JPO＆INPIT

12. 发明专利

JP2012080210A Moving image encoder, moving image decoder, moving image encoding method, and moving image decoding method 审中-公开
标题翻译：移动图像编码器，移动图像解码器，移动图像编码方法和移动图像解码方法
公开(公告)号：JP2012080210A
公开(公告)日：2012-04-19
申请号：JP2010221448
申请日：2010-09-30
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： ITANI YUSUKE , SEKIGUCHI SHUNICHI , SUGIMOTO KAZUO
IPC分类号： H04N19/50 , H04N19/107 , H04N19/119 , H04N19/136 , H04N19/154 , H04N19/176 , H04N19/186 , H04N19/463 , H04N19/503 , H04N19/51 , H04N19/553 , H04N19/593 , H04N19/70 , H04N19/96
摘要： PROBLEM TO BE SOLVED: To reduce a code amount by selecting a predetermined direct mode in unit of a predetermined block.SOLUTION: When an encoding mode corresponding to an encoding block divided by a block division part 2 is an inter-coding mode of a direct mode, a motion compensation prediction part 5 generates space direct vectors of a space direct mode and time direct vectors of a time direct mode, and selects direct vectors which provides higher correlation between reference images, from the space direct vectors or the time direct vectors.
摘要翻译：要解决的问题：通过以预定块为单位选择预定直接模式来减小代码量。解决方案：当与由块分割部分2分割的编码块相对应的编码模式是直接模式的帧间编码模式时，运动补偿预测部分5生成空间直接模式和时间直接的空间直接向量时间直接模式的向量，并且从空间直接向量或时间直接向量中选择提供参考图像之间较高相关性的直接向量。版权所有（C）2012，JPO＆INPIT

13. 发明专利

JP2011223315A Image encoding apparatus, image decoding apparatus, and method for image encoding and decoding 审中-公开
标题翻译：图像编码装置，图像解码装置和图像编码和解码方法
公开(公告)号：JP2011223315A
公开(公告)日：2011-11-04
申请号：JP2010090518
申请日：2010-04-09
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： SUGIMOTO KAZUO , HATTORI AKIFUMI , ITANI YUSUKE , MINESAWA AKIRA , SEKIGUCHI SHUNICHI
IPC分类号： H04N19/50 , H04N19/119 , H04N19/136 , H04N19/176 , H04N19/59 , H04N19/593 , H04N19/60 , H04N19/61 , H04N19/91
摘要： PROBLEM TO BE SOLVED: To provide an image encoding apparatus having an improved encoding efficiency.SOLUTION: An image reduction section 201 reduces a block image based on a reduction bock size outputted by a reduction block size selection section 205. A prediction image conversion quantization section 202 outputs a first in-screen prediction data from the reduced image. A prediction image inverse quantization inverse conversion section 203 outputs a local decoded prediction image from the first in-screen prediction data. A prediction image enlargement section 204 enlarges the local decoded prediction image and generates a first in-screen prediction image. A difference image generation section 102 outputs a difference image between the block image and the first in-screen prediction image. A difference conversion quantization section 103 performs frequency conversion and quantization of the difference image and outputs a conversion coefficient. An entropy encoding section 104 entropy-encodes the first in-screen prediction data and the conversion coefficient and outputs a bitstream.
摘要翻译：解决的问题：提供具有改进的编码效率的图像编码装置。解决方案：图像缩小部分201基于由缩小块尺寸选择部分205输出的缩小块大小来减少块图像。预测图像转换量化部分202从缩小图像输出第一屏幕内预测数据。预测图像逆量化逆变换部203从第一屏幕内预测数据输出局部解码预测图像。预测图像放大部分204放大局部解码预测图像并产生第一屏幕上预测图像。差分图像生成部分102输出块图像和第一屏幕内预测图像之间的差分图像。差分变换量化部103进行差分图像的频率变换和量化，并输出转换系数。熵编码部分104对第一屏幕内预测数据和转换系数进行熵编码并输出比特流。版权所有（C）2012，JPO＆INPIT

14. 发明专利

JP2011010197A Image encoder and image decoder 有权
标题翻译：图像编码器和图像解码器
公开(公告)号：JP2011010197A
公开(公告)日：2011-01-13
申请号：JP2009153810
申请日：2009-06-29
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： ITANI YUSUKE , IZUHARA YUICHI , SUGIMOTO KAZUO
IPC分类号： H04N19/50 , H04N19/105 , H04N19/134 , H04N19/137 , H04N19/196 , H04N19/426 , H04N19/463 , H04N19/513 , H04N19/70
摘要： PROBLEM TO BE SOLVED: To provide an image encoder and an image decoder which can reduce a memory quantity to use.SOLUTION: There is provided a motion correction predicting section 1 in which, when a time direct mode flag is on, a predicted image is formed by forming a motion vector of a macro block for encoding in a time direct mode or a space direct mode, and when the time direct mode flag is off, a predicted image is formed by forming a motion vector of a macro block for encoding in the space direct mode.
摘要翻译：要解决的问题：提供可以减少要使用的存储量的图像编码器和图像解码器。解决方案：提供了一种运动校正预测部分1，其中当时间直接模式标志打开时，预测图像是通过在时间直接模式或空间直接模式中形成用于编码的宏块的运动矢量形成，并且当时间直接模式标志关闭时，通过形成用于编码的宏块的运动矢量形成预测图像空间直接模式。

15. 发明专利

JP2009303265A Image encoding device, image decoding device, image encoding method, and image decoding method 审中-公开
标题翻译：图像编码装置，图像解码装置，图像编码方法和图像解码方法
公开(公告)号：JP2009303265A
公开(公告)日：2009-12-24
申请号：JP2009222334
申请日：2009-09-28
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： YAMADA ETSUHISA , SEKIGUCHI SHUNICHI , MORIYA YOSHIMI , SUGIMOTO KAZUO , IZUHARA YUICHI , ASAI KOTARO , MURAKAMI ATSUMICHI
IPC分类号： H04N19/103 , H04N11/04 , H04N19/105 , H04N19/127 , H04N19/157 , H04N19/169 , H04N19/186 , H04N19/189 , H04N19/40 , H04N19/46 , H04N19/50 , H04N19/503 , H04N19/60 , H04N19/61 , H04N19/70 , H04N19/91
CPC分类号： H04N19/00 , H04N19/103 , H04N19/12 , H04N19/172 , H04N19/186 , H04N19/436 , H04N19/46 , H04N19/61 , H04N19/70 , H04N21/236
摘要： PROBLEM TO BE SOLVED: To provide an encoding device, a decoding device, an encoding method, and a decoding method that enhance optimality in a case of encoding moving image signals having no sample ratio distinction between color components such as a 4:4:4 format. SOLUTION: An image encoding device includes an image encoding unit which multiplexes first identification information indicating whether signals of respective color components are encoded independently into a bit stream, and multiplexes second identification information indicating whether all the color components are intra-encoded and controlling the operation of a deblocking filter to be applied to boundaries of blocks as units of conversion and quantization into the bit stream when the first identification information indicates that the signals of the respective color components are encoded independently. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种编码装置，解码装置，编码方法和解码方法，该编码装置，解码装置，编码方法和解码方法在对诸如4：4的颜色成分之间没有采样率区分的运动图像信号进行编码的情况下， 4：4格式。解决方案：图像编码装置包括图像编码单元，其将指示各个颜色分量的信号是否独立编码的第一识别信息复用到比特流中，并且多路复用指示所有颜色分量是否被帧内编码的第二识别信息，以及当第一识别信息指示各个颜色分量的信号被独立地编码时，控制作为转换和量化单位的块的边界的去块滤波器的操作作为比特流。版权所有（C）2010，JPO＆INPIT

16. 发明专利

JP2008219612A Data embedding apparatus, data extracting apparatus, data embedding method, and data extracting metho 有权
标题翻译：数据嵌入设备，数据提取设备，数据嵌入方法和数据提取甲基
公开(公告)号：JP2008219612A
公开(公告)日：2008-09-18
申请号：JP2007055913
申请日：2007-03-06
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： SUGIMOTO KAZUO , SEKIGUCHI SHUNICHI , IZUHARA YUICHI , YAMADA ETSUHISA , KATO YOSHIAKI , ASAI KOTARO
IPC分类号： H04N19/50 , H04N19/105 , H04N19/11 , H04N19/467 , H04N19/503 , H04N19/523 , H04N19/593 , H04N19/60 , H04N19/61 , H04N19/625 , H04N19/63 , H04N19/70 , H04N19/91
CPC分类号： H04N19/11 , G06T1/0035 , G06T2201/0083 , H04N19/162 , H04N19/176 , H04N19/46 , H04N19/467
摘要： PROBLEM TO BE SOLVED: To provide a data embedding apparatus which encodes information to be embedded so as to reduce the effect exerted upon encoding efficiency without increasing a data amount as a whole. SOLUTION: This data embedding apparatus for outputting encoded data resulting from embedding second data into first data and encoding the data comprises: a selection means for selecting a prediction scheme for calculating a predictive value for data to be processed in the first data on the basis of the second data; a prediction means for calculating the predictive value of the data to be processed in accordance with the prediction scheme selected by the selection means; a differential calculation means for calculating a prediction error of the data to be processed by using the predictive value; and a prediction error operating means for outputting the encoded data, wherein the prediction means comprises a "0" embedding prediction means which performs prediction when a bit value of the second data is "0", a "1" embedding prediction means which performs prediction when the bit value of the second data is "2", and an embedding end prediction means which performs prediction when the second data are completely embedded. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种对要嵌入的信息进行编码的数据嵌入装置，以便在不增加数据量的情况下降低对编码效率的影响。解决方案：用于输出由第二数据嵌入第一数据并对数据进行编码而产生的编码数据的数据嵌入装置包括：选择装置，用于选择用于计算第一数据中待处理数据的预测值的预测方案，第二个数据的基础; 预测装置，用于根据由选择装置选择的预测方案计算要处理的数据的预测值; 差分计算装置，用于通过使用预测值来计算要处理的数据的预测误差; 以及用于输出编码数据的预测误差运算装置，其中，所述预测装置包括：当第二数据的比特值为“0”时进行预测的“0”嵌入预测装置，执行预测的“1”嵌入预测装置当第二数据的位值为“2”时，以及嵌入结束预测单元，其在第二数据被完全嵌入时进行预测。版权所有（C）2008，JPO＆INPIT

17. 发明专利

JP2007129335A Screen motion detector 审中-公开
标题翻译：屏幕运动检测器
公开(公告)号：JP2007129335A
公开(公告)日：2007-05-24
申请号：JP2005318580
申请日：2005-11-01
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： SUGIMOTO KAZUO , IZUHARA YUICHI , MORIYA YOSHIMI , SEKIGUCHI SHUNICHI , WADA MINORU , YAMADA ETSUHISA
IPC分类号： H04N19/50 , G06T7/20 , H04N7/14 , H04N19/105 , H04N19/134 , H04N19/136 , H04N19/14 , H04N19/157 , H04N19/159 , H04N19/176 , H04N19/196 , H04N19/503 , H04N19/51 , H04N19/527 , H04N19/593
摘要： PROBLEM TO BE SOLVED: To detect screen motion highly precisely with a small amount of operation.
SOLUTION: A decoder 101 decodes an encoded bit stream for outputting an encoding parameter and a decoded image. A statistics target block determination 102 calculates the degree of block complexity for each statistics block where the decoded image is divided into prescribed sizes, and for determining a statistics target block where each statistics block becomes the target of motion statistics processing for screen motion detection, based on the calculated degree of complexity in blocks and encoding parameters. A motion statistics processor 103 calculates the motion of an entire screen for outputting as a screen motion vector based on a motion vector included in the encoding parameters in the determined statistics target block.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：以少量的操作高精度地检测屏幕运动。解码器：解码器101解码编码比特流以输出编码参数和解码图像。统计目标块确定102计算每个统计块的块复杂程度，其中解码图像被划分为规定大小，并且用于确定每个统计块成为屏幕运动检测的运动统计处理的目标的统计目标块，基于关于块和编码参数的计算复杂程度。运动统计处理器103基于所确定的统计目标块中的编码参数中包括的运动矢量来计算用于输出的整个屏幕的运动作为屏幕运动矢量。版权所有（C）2007，JPO＆INPIT

18. 发明专利

JP2007074215A Hierarchical image encoding apparatus, transcoder, hierarchical image encoding method and transcoding method 有权
标题翻译：分层图像编码设备，平移器，分层图像编码方法和平移方法
公开(公告)号：JP2007074215A
公开(公告)日：2007-03-22
申请号：JP2005257736
申请日：2005-09-06
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： SUGIMOTO KAZUO , IZUHARA YUICHI , MORIYA YOSHIMI , SEKIGUCHI SHUNICHI , YAMADA ETSUHISA , ASAI KOTARO
IPC分类号： H03M7/30 , H04N19/33 , H04N19/40 , H04N19/46 , H04N19/51 , H04N19/513 , H04N19/60 , H04N19/70 , H04N19/91
摘要： PROBLEM TO BE SOLVED: To obtain a hierarchical image encoding apparatus capable of generating image encoding data having lower space resolution from high-resolution image encoding data by small operation quantity and high encoding efficiency in a transcoder on the succeeding stage in the case of generating high-resolution image encoding data. SOLUTION: The hierarchical image encoding apparatus is provided with a low-resolution encoding parameter generation part 110 for inputting an input image and the resolution information of a low-resolution image and generating an encoding parameter for encoding the low-resolution image in an optimum state, a parameter conversion part 120 for generating encoding auxiliary information which is scale-converted in order to apply a part of the encoding parameter to a high-resolution image, a high-resolution encoding part 130 for outputting high-resolution image encoding data, and an encoding parameter padding information encoding part 140 for generating and outputting encoding parameter padding information. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了获得一种分层图像编码装置，其能够通过小分辨率图像编码数据从低分辨率图像编码数据生成具有较低空间分辨率的图像编码数据，并且在后一级的代码转换器中具有高编码效率产生高分辨率图像编码数据。解决方案：分层图像编码装置设置有用于输入输入图像的低分辨率编码参数生成部分110和低分辨率图像的分辨率信息，并且生成用于对低分辨率图像进行编码的编码参数最佳状态，用于产生编码辅助信息的参数转换部分120，其被缩放转换以便将一部分编码参数应用于高分辨率图像;高分辨率编码部分130，用于输出高分辨率图像编码数据以及编码参数填补信息编码部140，用于生成并输出编码参数填补信息。版权所有（C）2007，JPO＆INPIT

19. 发明专利

JP2014135552A Dynamic image encoder, dynamic image decoder, dynamic image encoding method, and dynamic image decoding method 审中-公开
标题翻译：动态图像编码器，动态图像解码器，动态图像编码方法和动态图像解码方法
公开(公告)号：JP2014135552A
公开(公告)日：2014-07-24
申请号：JP2013001139
申请日：2013-01-08
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： MORIYA YOSHIMI , HATTORI AKIFUMI , HIWASA NORIMICHI , SUGIMOTO KAZUO , MINESAWA AKIRA , SEKIGUCHI SHUNICHI
IPC分类号： H04N19/50
摘要： PROBLEM TO BE SOLVED: To obtain a dynamic image encoder, a dynamic image decoder, a dynamic image encoding method, and a dynamic image decoding method capable, upon time-hierarchically encoding an interlaced signal, of suppressing a reduction in coding efficiency even when an error occurs in a field picture of the interlaced signal.SOLUTION: A motion compensation prediction unit performs prediction coding on a top field picture using only an encoded top field picture as a reference picture. If picture motion is larger than a threshold, prediction coding is performed on a bottom field picture using one encoded adjacent top field picture and an encoded bottom field picture as reference pictures; if the picture motion is smaller than the threshold, prediction coding is performed on the bottom field picture using only the encoded bottom field picture as a reference picture.
摘要翻译：要解决的问题：为了获得动态图像解码器，动态图像编码方法和动态图像解码方法，其能够对隔行扫描信号进行时间分级编码，即使在错误发生在隔行扫描信号的场图像中。解决方案：运动补偿预测单元仅使用编码顶场图像作为参考图像对顶场图像执行预测编码。如果图像运动大于阈值，则使用一个编码的相邻顶场图像和编码的底场图像作为参考图像对底场图像执行预测编码; 如果图像运动小于阈值，则仅使用编码的底场图像作为参考图像对底部场图像进行预测编码。

20. 发明专利

JP2014132765A Image decoder and image decoding method 有权
标题翻译：图像解码器和图像解码方法
公开(公告)号：JP2014132765A
公开(公告)日：2014-07-17
申请号：JP2014023377
申请日：2014-02-10
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： SEKIGUCHI SHUNICHI , SUGIMOTO KAZUO , ITANI YUSUKE , MINESAWA AKIRA , KATO YOSHIAKI
IPC分类号： H04N19/109 , H04N19/50 , H04N19/119 , H04N19/12 , H04N19/132 , H04N19/139 , H04N19/146 , H04N19/154 , H04N19/157 , H04N19/176 , H04N19/186 , H04N19/189 , H04N19/196 , H04N19/423 , H04N19/46 , H04N19/503 , H04N19/51 , H04N19/59 , H04N19/61 , H04N19/625 , H04N19/70 , H04N19/80 , H04N19/82 , H04N19/91
CPC分类号： H04N19/513 , H04N19/132 , H04N19/137 , H04N19/147 , H04N19/157 , H04N19/176 , H04N19/186 , H04N19/30 , H04N19/46 , H04N19/52 , H04N19/53 , H04N19/55 , H04N19/567 , H04N19/57 , H04N19/61 , H04N19/619 , H04N19/625 , H04N19/70 , H04N19/91 , H04N19/96
摘要： PROBLEM TO BE SOLVED: To provide an image decoder having enhanced optimality in order for encoding of a super-high-definition video signal, and a method for image decoding.SOLUTION: The image decoder comprises: a decoding unit which determines whether or not a first motion prediction mode is a skip mode, and which, when the first motion prediction mode is not a skip mode and the size of a reference block is larger than a threshold, decodes a second motion prediction mode for each second motion prediction unit block obtained by dividing the reference block hierarchically, and then determines whether or not the second motion prediction mode is a skip mode; a prediction unit for generating a prediction image depending on whether the first motion prediction mode and the second motion prediction mode are a skip mode; and an addition unit for adding a prediction error signal which is set to zero and the prediction image when the first motion prediction mode or the second motion prediction mode is a skip mode.
摘要翻译：要解决的问题：提供一种具有增强的最优性的图像解码器，以便对超高分辨率视频信号进行编码，以及一种用于图像解码的方法。解决方案：图像解码器包括：解码单元，确定是否第一运动预测模式是跳过模式，并且当第一运动预测模式不是跳过模式并且参考块的大小大于阈值时，对获得的每个第二运动预测单元块对第二运动预测模式进行解码通过分级划分参考块，然后确定第二运动预测模式是否是跳过模式; 预测单元，用于根据所述第一运动预测模式和所述第二运动预测模式是否是跳过模式来生成预测图像; 以及附加单元，用于在第一运动预测模式或第二运动预测模式为跳过模式时将预设误差信号设置为零，并将预测图像相加。

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