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1. 发明专利

JP2007259484A Video encoding method and apparatus, and video decoding method and apparatus 审中-公开
标题翻译：视频编码方法和装置，以及视频解码方法和装置
公开(公告)号：JP2007259484A
公开(公告)日：2007-10-04
申请号：JP2007128291
申请日：2007-05-14
申请人： Toshiba Corp , 株式会社東芝
发明人： KOTO SHINICHIRO , NAKAJO TAKESHI , NAGAI TAKESHI , KIKUCHI YOSHIHIRO , ASANO WATARU
IPC分类号： H04N19/50 , H04N19/102 , H04N19/103 , H04N19/105 , H04N19/114 , H04N19/134 , H04N19/136 , H04N19/137 , H04N19/139 , H04N19/142 , H04N19/159 , H04N19/172 , H04N19/174 , H04N19/176 , H04N19/186 , H04N19/196 , H04N19/423 , H04N19/44 , H04N19/46 , H04N19/503 , H04N19/51 , H04N19/513 , H04N19/523 , H04N19/573 , H04N19/577 , H04N19/59 , H04N19/593 , H04N19/61 , H04N19/625 , H04N19/63 , H04N19/70 , H04N19/80 , H04N19/82 , H04N19/87 , H04N19/91
摘要： PROBLEM TO BE SOLVED: To provide a video encoding method which can reduce increase in the quantity of operation and in the overhead of coded data, and considerably increase the estimation efficiency for a fading image which has not been satisfactory for conventional video encoding methods, such as MPEG.
SOLUTION: A moving picture is encoded by adaptively switching between the operation of using a plurality of decoded video signals as reference frames and generating a predictive macroblock picture from among a plurality of reference frames for each macroblock, the operation of extracting reference macroblocks from a plurality of reference frames and using the average value of the macroblocks as a predictive macroblock picture, and the operation of extracting reference macroblocks from a plurality of reference frames and generating a predictive macroblock picture through linear extrapolation or linear interpolation, according to the inter-frame distances between the reference frames and a frame to be encoded.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决的问题：提供一种视频编码方法，其可以减少编码数据的操作量和开销的增加，并且显着提高对于常规视频编码不令人满意的衰落图像的估计效率方法，如MPEG。解决方案：通过在使用多个解码视频信号的操作之间自适应地切换运动图像作为参考帧，并从每个宏块的多个参考帧中生成预测性宏块图像，提取参考宏块的操作并且使用宏块的平均值作为预测宏块图像，以及从多个参考帧提取参考宏块并通过线性外推或线性内插生成预测宏块图像的操作，帧参考帧与要编码的帧之间的距离。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2007151163A Image decoding method and apparatus 审中-公开
标题翻译：图像解码方法和设备
公开(公告)号：JP2007151163A
公开(公告)日：2007-06-14
申请号：JP2007011825
申请日：2007-01-22
申请人： Toshiba Corp , 株式会社東芝
发明人： NAGAI TAKESHI , NAKAJO TAKESHI , KOTO SHINICHIRO , KIKUCHI YOSHIHIRO , ASANO WATARU
IPC分类号： H03M7/36 , H04N19/102 , H04N19/105 , H04N19/109 , H04N19/11 , H04N19/114 , H04N19/134 , H04N19/166 , H04N19/172 , H04N19/40 , H04N19/423 , H04N19/44 , H04N19/46 , H04N19/50 , H04N19/503 , H04N19/51 , H04N19/573 , H04N19/61 , H04N19/625 , H04N19/65 , H04N19/67 , H04N19/70 , H04N19/89 , H04N19/895 , H04N19/91
摘要： PROBLEM TO BE SOLVED: To recover information on early stage even if the information is lost by a mistake, to improve encoding efficiency and to also eliminate the need of re-encoding.
SOLUTION: This invention includes a video encoding unit 101-112 which creates a video code stream 137 by encoding an input video signal 131 by using a reference picture signal 141, a reference picture encoding unit 113-115 which creates a reference picture code stream 147 by encoding a reference picture signal 141, and a multiplexing unit 117 which creates an output code stream 149 by multiplexing the video code stream 137 and the reference picture code stream 147.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：即使信息丢失错误，即使在早期恢复信息，也可以提高编码效率，并消除重新编码的需要。解决方案：本发明包括通过使用参考图像信号141对输入视频信号131进行编码来产生视频码流137的图像编码单元101-112，产生参考图像的参考图像编码单元113-115 通过对参考图像信号141进行编码的码流147和通过多路复用视频码流137和参考图像码流147来创建输出码流149的多路复用单元117来实现。（C）2007，JPO和INPIT

3. 发明专利

JP2007060705A Moving picture coding method, apparatus, and program 审中-公开
公开(公告)号：JP2007060705A
公开(公告)日：2007-03-08
申请号：JP2006282044
申请日：2006-10-16
申请人： Toshiba Corp , 株式会社東芝
发明人： KOTO SHINICHIRO , NAKAJO TAKESHI , NAGAI TAKESHI , KIKUCHI YOSHIHIRO , ASANO WATARU
IPC分类号： H04N19/50 , H04N19/102 , H04N19/103 , H04N19/105 , H04N19/114 , H04N19/134 , H04N19/136 , H04N19/137 , H04N19/139 , H04N19/142 , H04N19/159 , H04N19/172 , H04N19/174 , H04N19/176 , H04N19/186 , H04N19/196 , H04N19/423 , H04N19/44 , H04N19/46 , H04N19/503 , H04N19/51 , H04N19/513 , H04N19/523 , H04N19/573 , H04N19/577 , H04N19/59 , H04N19/593 , H04N19/61 , H04N19/625 , H04N19/63 , H04N19/70 , H04N19/80 , H04N19/82 , H04N19/87 , H04N19/91
摘要： PROBLEM TO BE SOLVED: To provide a moving picture coding method capable of reducing computational complexity and an increase in overhead of coded data and considerably improving the predictive efficiency as to a fade image at the processing of which the conventional moving picture coding method such as MPEG is poor.
SOLUTION: The moving picture coding method codes a moving picture by adaptively switching whether a plurality of decoded moving picture signals are selected for reference frames and a predictive macroblock image is generated from one of the reference frames by each macroblock, or reference macroblocks are segmented from the reference frames and an average is used for a predictive macroblock image, or reference macroblocks are segmented from the reference frames and linear extrapolation or linear interpolation in response to an inter-frame distance between a reference frame and a coded frame is applied to the reference macroblocks to generate a predictive macroblock image.
COPYRIGHT: (C)2007,JPO&INPIT

4. 发明专利

JP2007060704A Moving picture coding method, apparatus, and program 审中-公开
公开(公告)号：JP2007060704A
公开(公告)日：2007-03-08
申请号：JP2006282043
申请日：2006-10-16
申请人： Toshiba Corp , 株式会社東芝
发明人： KOTO SHINICHIRO , NAKAJO TAKESHI , NAGAI TAKESHI , KIKUCHI YOSHIHIRO , ASANO WATARU
IPC分类号： H04N19/50 , H04N19/102 , H04N19/103 , H04N19/105 , H04N19/114 , H04N19/134 , H04N19/136 , H04N19/137 , H04N19/139 , H04N19/142 , H04N19/159 , H04N19/172 , H04N19/174 , H04N19/176 , H04N19/186 , H04N19/196 , H04N19/423 , H04N19/44 , H04N19/46 , H04N19/503 , H04N19/51 , H04N19/513 , H04N19/523 , H04N19/573 , H04N19/577 , H04N19/59 , H04N19/593 , H04N19/61 , H04N19/625 , H04N19/63 , H04N19/70 , H04N19/80 , H04N19/82 , H04N19/87 , H04N19/91
摘要： PROBLEM TO BE SOLVED: To provide a moving picture coding method capable of reducing computational complexity and an increase in overhead of coded data and considerably improving the predictive efficiency as to a fade image at the processing of which the conventional moving picture coding method such as MPEG is poor. SOLUTION: The moving picture coding method codes a moving picture by adaptively switching whether a plurality of decoded moving picture signals are selected for reference frames and a predictive macroblock image is generated from one of the reference frames by each macroblock, or reference macroblocks are segmented from the reference frames and an average is used for a predictive macroblock image, or reference macroblocks are segmented from the reference frames and linear extrapolation or linear interpolation in response to an inter-frame distance between a reference frame and a coded frame is applied to the reference macroblocks to generate a predictive macroblock image. COPYRIGHT: (C)2007,JPO&INPIT

5. 发明专利

JP2007060701A Moving picture coding method, apparatus, and program 审中-公开
公开(公告)号：JP2007060701A
公开(公告)日：2007-03-08
申请号：JP2006282040
申请日：2006-10-16
申请人： Toshiba Corp , 株式会社東芝
发明人： KOTO SHINICHIRO , NAKAJO TAKESHI , NAGAI TAKESHI , KIKUCHI YOSHIHIRO , ASANO WATARU
IPC分类号： H04N19/50 , H04N19/102 , H04N19/103 , H04N19/105 , H04N19/114 , H04N19/134 , H04N19/136 , H04N19/137 , H04N19/139 , H04N19/142 , H04N19/159 , H04N19/172 , H04N19/174 , H04N19/176 , H04N19/186 , H04N19/196 , H04N19/423 , H04N19/44 , H04N19/46 , H04N19/503 , H04N19/51 , H04N19/513 , H04N19/523 , H04N19/573 , H04N19/577 , H04N19/59 , H04N19/593 , H04N19/61 , H04N19/625 , H04N19/63 , H04N19/70 , H04N19/80 , H04N19/82 , H04N19/87 , H04N19/91
摘要： PROBLEM TO BE SOLVED: To provide a moving picture coding method capable of reducing computational complexity and an increase in overhead of coded data and considerably improving the predictive efficiency as to a fade image at the processing of which the conventional moving picture coding method such as MPEG is poor. SOLUTION: The moving picture coding method codes a moving picture by adaptively switching whether a plurality of decoded moving picture signals are selected for reference frames and a predictive macroblock image is generated from one of the reference frames by each macroblock, or reference macroblocks are segmented from the reference frames and an average is used for a predictive macroblock image, or reference macroblocks are segmented from the reference frames and linear extrapolation or linear interpolation in response to an inter-frame distance between a reference frame and a coded frame is applied to the reference macroblocks to generate a predictive macroblock image. COPYRIGHT: (C)2007,JPO&INPIT

6. 发明专利

JP2007060697A Moving picture decoding method, apparatus, and program 审中-公开
公开(公告)号：JP2007060697A
公开(公告)日：2007-03-08
申请号：JP2006282036
申请日：2006-10-16
申请人： Toshiba Corp , 株式会社東芝
发明人： KOTO SHINICHIRO , NAKAJO TAKESHI , NAGAI TAKESHI , KIKUCHI YOSHIHIRO , ASANO WATARU
IPC分类号： H04N19/50 , H04N19/102 , H04N19/103 , H04N19/105 , H04N19/114 , H04N19/134 , H04N19/136 , H04N19/137 , H04N19/139 , H04N19/142 , H04N19/159 , H04N19/172 , H04N19/174 , H04N19/176 , H04N19/186 , H04N19/196 , H04N19/423 , H04N19/44 , H04N19/46 , H04N19/503 , H04N19/51 , H04N19/513 , H04N19/523 , H04N19/573 , H04N19/577 , H04N19/59 , H04N19/593 , H04N19/61 , H04N19/625 , H04N19/63 , H04N19/70 , H04N19/80 , H04N19/82 , H04N19/87 , H04N19/91
摘要： PROBLEM TO BE SOLVED: To provide a moving picture coding method capable of reducing computational complexity and an increase in overhead of coded data and considerably improving the predictive efficiency as to a fade image at the processing of which the conventional moving picture coding method such as MPEG is poor. SOLUTION: The moving picture coding method codes a moving picture by adaptively switching whether a plurality of decoded moving picture signals are selected for reference frames and a predictive macroblock image is generated from one of the reference frames by each macroblock, or reference macroblocks are segmented from the reference frames and an average is used for a predictive macroblock image, or reference macroblocks are segmented from the reference frames and linear extrapolation or linear interpolation in response to an inter-frame distance between a reference frame and a coded frame is applied to the reference macroblocks to generate a predictive macroblock image. COPYRIGHT: (C)2007,JPO&INPIT

7. 发明专利

JP2007049553A Moving image encoding method, device, and program 有权
标题翻译：移动图像编码方法，设备和程序
公开(公告)号：JP2007049553A
公开(公告)日：2007-02-22
申请号：JP2005233448
申请日：2005-08-11
申请人： Toshiba Corp , 株式会社東芝
发明人： ASANO WATARU , KOTO SHINICHIRO , DATE NAOTO
IPC分类号： H03M7/36 , H04N19/112 , H04N19/134 , H04N19/137 , H04N19/196 , H04N19/50 , H04N19/503 , H04N19/51 , H04N19/513 , H04N19/60 , H04N19/61 , H04N19/91
CPC分类号： H04N19/16 , H04N19/105 , H04N19/112 , H04N19/147 , H04N19/51
摘要： PROBLEM TO BE SOLVED: To efficiently encode a moving image by accurately selecting a frame prediction mode or a field prediction mode with less calculation amount. SOLUTION: Motion vectors with respect to an object block of an input image signal are obtained in association with the frame prediction mode and the field prediction mode respectively, and prediction residual signals for predicted image signals in both prediction modes are obtained in accordance with the motion vectors, and one of prediction modes which gives a higher inter-line similarity is selected on the basis of feature quantities representing inter-line similarities of respective prediction residual signals in both prediction modes, and inter-frame encoding is performed by the selected prediction mode. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：通过精确地选择具有较少计算量的帧预测模式或场预测模式来有效地编码运动图像。解决方案：分别与帧预测模式和场预测模式相关地获得关于输入图像信号的对象块的运动矢量，并且根据预测模式获得用于预测图像信号的预测残差信号利用运动矢量，并且基于表示两种预测模式中的各预测残差信号的线间相似度的特征量来选择给出较高线间相似度的预测模式之一，并且帧间编码由选择预测模式。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2014011731A Method for decoding moving image and method for encoding moving image 有权
标题翻译：解码移动图像的方法和编码移动图像的方法
公开(公告)号：JP2014011731A
公开(公告)日：2014-01-20
申请号：JP2012148603
申请日：2012-07-02
申请人： Toshiba Corp , 株式会社東芝
发明人： ASANO WATARU , KODAMA TOMOYA
IPC分类号： H04N19/50
CPC分类号： H04N19/00769 , H04N19/105 , H04N19/159 , H04N19/172 , H04N19/597
摘要： PROBLEM TO BE SOLVED: To provide a method for decoding a moving image and a method for encoding a moving image which can reduce delay in processing and achieve highly efficient encoding at the same time.SOLUTION: The method for decoding a moving image includes a determination step, a selection step and a decoding step. The determination step is a step for determining whether a target image is an intra-frame prediction image decoded by intra-frame prediction, the target image being at a reference viewpoint prior to an image to be decoded in the decoding order, and included in an encoded stream obtained by encoding moving images of a plurality of viewpoints including a reference viewpoint and a viewpoint other than the reference viewpoint. The selection step is a step for selecting a first reference image, when it is determined that the target image is the intra-frame prediction image, from the target image and an image decoded on the basis of the target image, which are reproduced at the same time as the image to be decoded, and does not correspond to a viewpoint different from that of the image to be decoded. The decoding step is a step for decoding the image to be decoded by using the first reference image.
摘要翻译：要解决的问题：提供一种用于解码运动图像的方法和用于编码运动图像的方法，其可以减少处理中的延迟并同时实现高效编码。解决方案：用于解码运动图像的方法包括确定步骤，选择步骤和解码步骤。确定步骤是用于确定目标图像是否是通过帧内预测解码的帧内预测图像的步骤，目标图像在解码顺序中要解码的图像之前的参考视点处，并且包括在通过编码包括参考视点和除参考视点之外的视点的多个视点的运动图像而获得的编码流。选择步骤是当从目标图像确定目标图像是帧内预测图像时选择第一参考图像的步骤和基于目标图像解码的图像，其在与要解码的图像相同，并且不对应于与要解码的图像的视点不同的视点。解码步骤是通过使用第一参考图像来解码要解码的图像的步骤。

9. 发明专利

JP2013009272A Image encoding apparatus, method, and program, and image decoding apparatus, method, and program 审中-公开
标题翻译：图像编码装置，方法和程序，以及图像解码装置，方法和程序
公开(公告)号：JP2013009272A
公开(公告)日：2013-01-10
申请号：JP2011142210
申请日：2011-06-27
申请人： Toshiba Corp , 株式会社東芝
发明人： ASANO WATARU
IPC分类号： H04N19/60 , H04N1/41 , H04N19/102 , H04N19/134 , H04N19/18 , H04N19/196 , H04N19/625 , H04N19/63 , H04N19/91 , H04N19/96
CPC分类号： H04N19/184 , H04N19/13 , H04N19/136 , H04N19/60
摘要： PROBLEM TO BE SOLVED: To provide an image encoding apparatus, method, and program capable of performing efficient encoding, and an image decoding apparatus, method, and program.SOLUTION: In an image encoding apparatus according to an embodiment, a converting unit obtains a conversion coefficient by performing frequency conversion on an image. An extracting unit extracts plural bits at a time from the conversion coefficient. An encoding unit performs variable-length coding on at least plural most significant bits, and performs fixed-length coding on at least plural least significant bits. In an image decoding apparatus according to an embodiment, an extracting unit extracts plural bits at a time from obtained code strings. A decoding unit performs variable-length decoding on plural most significant bits from the extracted bits, and performs fixed-length decoding on plural least significant bits from the extracted bits. A combining unit combines the decoded bits to obtain a conversion coefficient. An inverse conversion unit generates an image by performing inverse conversion of frequency on the conversion coefficient.
摘要翻译：要解决的问题：提供一种能够执行高效编码的图像编码装置，方法和程序，以及图像解码装置，方法和程序。解决方案：在根据实施例的图像编码装置中，转换单元通过对图像执行频率转换来获得转换系数。提取单元从转换系数一次提取多个比特。编码单元在至少多个最高有效位上进行可变长度编码，并且对至少多个最低有效位进行固定长度编码。在根据实施例的图像解码装置中，提取单元从获得的代码串中提取多个比特。解码单元从提取的比特对多个最高有效比特执行可变长度解码，并且从提取的比特对多个最低有效比特执行固定长度解码。组合单元组合解码比特以获得转换系数。逆转换单元通过对转换系数进行频率的逆变换来生成图像。版权所有（C）2013，JPO＆INPIT

10. 发明专利

JP2012129949A Image encoding method and device, and image decoding method and device 审中-公开
标题翻译：图像编码方法和装置，以及图像解码方法和装置
公开(公告)号：JP2012129949A
公开(公告)日：2012-07-05
申请号：JP2010282151
申请日：2010-12-17
申请人： Toshiba Corp , 株式会社東芝
发明人： MATSUMURA ATSUSHI , ASANO WATARU , KOTO SHINICHIRO
IPC分类号： H04N19/50 , H04N19/33 , H04N19/34 , H04N19/423 , H04N19/503 , H04N19/60 , H04N19/61 , H04N19/635 , H04N19/90
摘要： PROBLEM TO BE SOLVED: To provide an image encoding method, device, and program that are capable of efficiently compressing an image while suppressing deterioration of image quality.SOLUTION: A transform unit performs orthogonal transform on an input image to generate a low-pass component image as a low-pass component of the image and a high-pass component image as a high-pass component of the image. A prediction image generation unit calculates a prediction image of the low-pass component image from encoded pixels in the low-pass component image or a reference low-pass component image as a low-pass component image at a time different from that of the low-pass component image. A difference image generation unit calculates a difference image as a difference between the prediction image and the low-pass component image. A lossless compression unit performs lossless compression on the difference image as a base layer. A bit plane compression unit performs bit plane compression on the high-pass component image as an extension layer in order from the most significant bit side to the least significant bit side. An output unit outputs the base layer and the extension layer.
摘要翻译：要解决的问题：提供能够有效地压缩图像同时抑制图像质量劣化的图像编码方法，装置和程序。解决方案：变换单元对输入图像执行正交变换，以产生作为图像的低通分量的低通分量图像和作为图像的高通分量的高通分量图像。预测图像生成部将与低通分量图像中的编码像素或基准低通分量图像的低通分量图像的预测图像作为低通分量图像在与低分量图像不同的时间通过组件图像。差分图像生成单元计算差分图像作为预测图像和低通分量图像之间的差。无损压缩单元对作为基础层的差分图像执行无损压缩。位平面压缩单元按照从最高有效位侧到最低有效位侧的顺序对作为扩展层的高通分量图像执行位平面压缩。输出单元输出基层和延伸层。版权所有（C）2012，JPO＆INPIT

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