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公开(公告)号：US06989868B2
公开(公告)日：2006-01-24
申请号：US10179985
申请日：2002-06-26
申请人： Koichi Masukura , Noboru Yamaguchi , Toshimitsu Kaneko , Tomoya Kodama , Takeshi Mita , Tadaaki Masuda , Wataru Asano
发明人： Koichi Masukura , Noboru Yamaguchi , Toshimitsu Kaneko , Tomoya Kodama , Takeshi Mita , Tadaaki Masuda , Wataru Asano
IPC分类号： H04N7/01
CPC分类号： H04N11/042 , H04N11/20 , H04N19/156 , H04N19/162 , H04N19/40 , H04N19/46 , H04N19/89
摘要： A format conversion method comprising decoding the bit stream of a first encoded video data format, converting decoded video data to the second encoded video data format, encoding the converted video data in a process for converting the bit stream of the first encoded video data format to the bit stream of the second encoded video data format, and controlling processing parameters of at least one of the decoding, the converting and the encoding.
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2.发明授权Method of transcoding encoded video data and apparatus which transcodes encoded video data 失效编码视频数据的代码转换方法和对编码视频数据进行转码的装置公开(公告)号：US06934334B2
公开(公告)日：2005-08-23
申请号：US09968544
申请日：2001-10-02
摘要： A video transcoding method comprises decoding a first bit stream encoded by a first video encoding format to obtain decoded video data and side information, converting the decoded video data and side information into a form suitable for a second video encoding format to obtain converted video data and converted side information, and encoding the converted video data using motion vectors contained in the side information to obtain a second bit stream of the second video encoding format.
摘要翻译： 视频代码转换方法包括对由第一视频编码格式编码的第一比特流解码以获得解码的视频数据和边信息，将解码的视频数据和副信息转换成适合于第二视频编码格式的形式，以获得转换的视频数据， 并且使用侧信息中包含的运动矢量对转换的视频数据进行编码，以获得第二视频编码格式的第二比特流。
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3.发明授权公开(公告)号：US08184716B2
公开(公告)日：2012-05-22
申请号：US12234741
申请日：2008-09-22
CPC分类号： H04N19/103 , H04N19/142 , H04N19/147 , H04N19/176 , H04N19/61
摘要： The image coding apparatus is provided to realize image coding with little calculation quantity and through rate distortion optimization thereby maintaining a favorable image quality. The image coding apparatus includes a processing unit that conducts frequency transform and quantization on a block in a predetermined manner for a plurality of coding modes, each mode having a different coding process, a cost calculating unit that calculates a predictive coded quantity and coding distortion in a coding mode using a result of the quantization conducted by the processing unit and a residue to obtain a cost regarding the coding mode, a minimum coding cost selecting unit that selects a minimum coding cost among the coding costs calculated for respective coding modes, and a coding unit that conducts coding on the blocks in a coding mode associated with the minimum coding cost selected by the minimum coding cost selecting unit.
摘要翻译： 提供图像编码装置以实现少量计算量和通过速率失真优化的图像编码，从而保持良好的图像质量。 该图像编码装置包括处理单元，对于多个编码模式，以预定的方式对块进行频率变换和量化，每个模式具有不同的编码处理，计算预测编码量和编码失真的成本计算单元 使用由处理单元进行的量化结果的编码模式和残差来获得关于编码模式的成本;最小编码成本选择单元，对于针对各个编码模式计算的编码成本中选择最小编码成本，以及 编码单元，其以与由最小编码成本选择单元选择的最小编码成本相关联的编码模式对块进行编码。
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公开(公告)号：US07805016B2
公开(公告)日：2010-09-28
申请号：US11557590
申请日：2006-11-08
申请人： Noboru Yamaguchi , Tomoya Kodama
发明人： Noboru Yamaguchi , Tomoya Kodama
IPC分类号： G06K9/40
CPC分类号： H04N19/86 , H04N19/117 , H04N19/157 , H04N19/176 , H04N19/44
摘要： A decoding apparatus having a de-ringing filter to filter image data decoded from encoded image data by orthogonal transformation encoding. In the de-ringing filter, a subtracter generates an absolute value of difference between a value of a filter object pixel and a value of at least one pixel selected from pixels surrounding the filter object pixel on the image data. A comparator compares the absolute value with a threshold. A selector outputs the value of the at least one pixel if the absolute value is less than the threshold, and outputs the value of the filter object pixel if the absolute value is not less than the threshold. A convolution operator convolutes a filter coefficient with the value output from the selector, and outputs a convolution result as a filtered value of the filter object pixel.
摘要翻译： 一种具有去环形滤波器的解码装置，用于通过正交变换编码对从编码图像数据解码的图像数据进行滤波。 在去环滤波器中，减法器产生滤波器对象像素的值与从图像数据上的过滤器对象像素周围的像素中选择的至少一个像素的值之间的差的绝对值。 比较器将绝对值与阈值进行比较。 如果绝对值小于阈值，则选择器输出至少一个像素的值，如果绝对值不小于阈值，则输出滤波器对象像素的值。 卷积运算符将滤波器系数与从选择器输出的值进行卷积，并且将卷积结果输出为滤波器对象像素的滤波值。
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5.发明申请Apparatus for and method of image processing and output, and computer product 审中-公开图像处理和输出的装置和方法以及计算机产品公开(公告)号：US20050259752A1
公开(公告)日：2005-11-24
申请号：US10948134
申请日：2004-09-24
IPC分类号： H04N5/92 , G09G5/00 , G09G5/391 , H04N5/76 , H04N5/781 , H04N5/85 , H04N7/01 , H04N7/015 , H04N7/12 , H04N7/46 , H04N9/804
CPC分类号： H04N5/76 , H04N5/781 , H04N5/85 , H04N7/01 , H04N9/8042 , H04N19/40 , H04N19/46 , H04N19/59 , H04N19/80
摘要： An image processing apparatus includes a first image converter that performs a first image conversion on an original image and that obtains a converted image, a conversion information generator that generates conversion information determined based on a relationship between the original image and the converted image obtained by the first image converter, and a holding unit that holds the conversion information generated by the conversion information generator and the converted image subjected to the first image conversion while making the conversion information and the converted image correspond to each other.
摘要翻译： 一种图像处理装置，包括对原始图像执行第一图像转换并获得转换图像的第一图像转换器，生成基于原始图像与由图像获得的转换图像之间的关系确定的转换信息的转换信息生成器 第一图像转换器和保持单元，其保持由转换信息生成器生成的转换信息和经过第一图像转换的转换图像，同时使转换信息和转换图像彼此对应。
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6.发明申请公开(公告)号：US20060120458A1
公开(公告)日：2006-06-08
申请号：US11341561
申请日：2006-01-30
CPC分类号： H04N19/137 , H04N19/132 , H04N19/176
摘要： A video encoding apparatus comprises a motion vector detector to detect a motion vector of an input picture referring to a reference picture, and a predictive encoder to perform forward predictive encoding and bidirectional predictive encoding using the motion vector and the reference picture, the forward predictive encoder subjecting the macroblock of the forward predictive encoded picture to a variable length encoding in not_coded mode when a correlation between the macroblocks of the forward and bidirectional predictive encoded pictures and the reference picture which are located at the same position is high.
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公开(公告)号：US20060061497A1
公开(公告)日：2006-03-23
申请号：US11227253
申请日：2005-09-16
IPC分类号： H03M7/00
CPC分类号： H04N19/40 , H04N19/194
摘要： A bit rate of encoded moving picture data is converted in a system including a main processor, at least one sub processor and a main memory. In the main processor, a data acquisition unit acquires the encoded moving picture data from the main memory, a data analysis unit analyzes the encoded moving picture data, and an analysis data creation unit creates analysis data based on an analysis result. In the at least one sub processor, an analysis data acquisition unit acquires the analysis data, and a conversion processing unit converts the bit rate of the encoded moving picture data based on the analysis data.
摘要翻译： 编码运动图像数据的比特率在包括主处理器，至少一个子处理器和主存储器的系统中被转换。 在主处理器中，数据采集单元从主存储器获取编码的运动图像数据，数据分析单元分析编码的运动图像数据，分析数据创建单元基于分析结果创建分析数据。 在至少一个子处理器中，分析数据获取单元获取分析数据，并且转换处理单元基于分析数据转换编码运动图像数据的比特率。
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8.发明授权Image coding apparatus including a coded quantity prediction expression retaining unit 失效图像编码装置，包括编码量预测表达式保持单元公开(公告)号：US07502517B2
公开(公告)日：2009-03-10
申请号：US11062625
申请日：2005-02-23
CPC分类号： H04N19/103 , H04N19/142 , H04N19/147 , H04N19/176 , H04N19/61
摘要： The image coding apparatus is provided to realize image coding with little calculation quantity and through rate distortion optimization thereby maintaining a favorable image quality. The image coding apparatus includes a processing unit that conducts frequency transform and quantization on a block in a predetermined manner for a plurality of coding modes, each mode having a different coding process, a cost calculating unit that calculates a predictive coded quantity and coding distortion in a coding mode using a result of the quantization conducted by the processing unit and a residue to obtain a cost regarding the coding mode, a minimum coding cost selecting unit that selects a minimum coding cost among the coding costs calculated for respective coding modes, and a coding unit that conducts coding on the blocks in a coding mode associated with the minimum coding cost selected by the minimum coding cost selecting unit.
摘要翻译： 提供图像编码装置以实现少量计算量和通过速率失真优化的图像编码，从而保持良好的图像质量。 该图像编码装置包括处理单元，对于多个编码模式，以预定的方式对块进行频率变换和量化，每个模式具有不同的编码处理，计算预测编码量和编码失真的成本计算单元 使用由处理单元进行的量化结果的编码模式和残差来获得关于编码模式的成本;最小编码成本选择单元，对于针对各个编码模式计算的编码成本中选择最小编码成本，以及 编码单元，其以与由最小编码成本选择单元选择的最小编码成本相关联的编码模式对块进行编码。
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9.发明申请公开(公告)号：US20090041122A1
公开(公告)日：2009-02-12
申请号：US12234741
申请日：2008-09-22
IPC分类号： H04N7/26
CPC分类号： H04N19/103 , H04N19/142 , H04N19/147 , H04N19/176 , H04N19/61
摘要： The image coding apparatus is provided to realize image coding with little calculation quantity and through rate distortion optimization thereby maintaining a favorable image quality. The image coding apparatus includes a processing unit that conducts frequency transform and quantization on a block in a predetermined manner for a plurality of coding modes, each mode having a different coding process, a cost calculating unit that calculates a predictive coded quantity and coding distortion in a coding mode using a result of the quantization conducted by the processing unit and a residue to obtain a cost regarding the coding mode, a minimum coding cost selecting unit that selects a minimum coding cost among the coding costs calculated for respective coding modes, and a coding unit that conducts coding on the blocks in a coding mode associated with the minimum coding cost selected by the minimum coding cost selecting unit.
摘要翻译： 提供图像编码装置以实现少量计算量和通过速率失真优化的图像编码，从而保持良好的图像质量。 该图像编码装置包括处理单元，对于多个编码模式，以预定的方式对块进行频率变换和量化，每个模式具有不同的编码处理，计算预测编码量和编码失真的成本计算单元 使用由处理单元进行的量化结果的编码模式和残差来获得关于编码模式的成本;最小编码成本选择单元，对于针对各个编码模式计算的编码成本中选择最小编码成本，以及 编码单元，其以与由最小编码成本选择单元选择的最小编码成本相关联的编码模式对块进行编码。
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10.发明申请公开(公告)号：US20050213657A1
公开(公告)日：2005-09-29
申请号：US11062625
申请日：2005-02-23
IPC分类号： H04N19/50 , H04N7/12 , H04N19/102 , H04N19/12 , H04N19/134 , H04N19/136 , H04N19/137 , H04N19/142 , H04N19/147 , H04N19/154 , H04N19/176 , H04N19/196 , H04N19/503 , H04N19/577 , H04N19/60 , H04N19/61 , H04N19/625 , H04N19/91
CPC分类号： H04N19/103 , H04N19/142 , H04N19/147 , H04N19/176 , H04N19/61
摘要： The image coding apparatus is provided to realize image coding with little calculation quantity and through rate distortion optimization thereby maintaining a favorable image quality. The image coding apparatus includes a processing unit that conducts frequency transform and quantization on a block in a predetermined manner for a plurality of coding modes, each mode having a different coding process, a cost calculating unit that calculates a predictive coded quantity and coding distortion in a coding mode using a result of the quantization conducted by the processing unit and a residue to obtain a cost regarding the coding mode, a minimum coding cost selecting unit that selects a minimum coding cost among the coding costs calculated for respective coding modes, and a coding unit that conducts coding on the blocks in a coding mode associated with the minimum coding cost selected by the minimum coding cost selecting unit.
摘要翻译： 提供图像编码装置以实现少量计算量和通过速率失真优化的图像编码，从而保持良好的图像质量。 该图像编码装置包括处理单元，对于多个编码模式，以预定的方式对块进行频率变换和量化，每个模式具有不同的编码处理，计算预测编码量和编码失真的成本计算单元 使用由处理单元进行的量化结果的编码模式和残差来获得关于编码模式的成本;最小编码成本选择单元，对于针对各个编码模式计算的编码成本中选择最小编码成本，以及 编码单元，其以与由最小编码成本选择单元选择的最小编码成本相关联的编码模式对块进行编码。
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