公开(公告)号：US20110019735A1

公开(公告)日：2011-01-27

申请号：US12840548

申请日：2010-07-21

申请人： Kyohei KOYABU

发明人： Kyohei KOYABU

IPC分类号： H04N7/26

CPC分类号： H04N19/194 ,  H04N19/115 ,  H04N19/124 ,  H04N19/15 ,  H04N19/172

摘要： An image encoding device includes: a first encoding unit for encoding image data using multiple different quantizing matrices to calculate a generated code amount for each of the quantizing matrices; a code amount control unit for calculating an identification value that makes it identifiable from the generated code amount calculated at the first encoding unit whether or not there are many high-frequency components, selecting a first quantizing matrix for reducing high-frequency components at the time of this identification value distinguishing that the number of high-frequency components is greater than a threshold, and selecting a second quantizing matrix that reduces a smaller number of high-frequency components than the first quantizing matrix at the time of the identification value distinguishing that the number of high-frequency components is not greater than the threshold; and a second encoding unit for encoding the image data using the quantizing matrix selected at the code amount control unit.

摘要翻译： 图像编码装置包括：第一编码单元，用于使用多个不同量化矩阵对图像数据进行编码，以计算每个量化矩阵的生成代码量; 代码量控制单元，用于根据在第一编码单元计算出的生成代码量来计算识别值，该识别值是否存在许多高频分量，选择第一量化矩阵以减少此时的高频分量 该识别值区分高频分量的数量大于阈值，并且在识别值时选择减少比第一量化矩阵更小数量的高频分量的第二量化矩阵， 高频分量数不大于阈值; 以及第二编码单元，用于使用在码量控制单元处选择的量化矩阵对图像数据进行编码。

公开(公告)号：US20110123105A1

公开(公告)日：2011-05-26

申请号：US13019252

申请日：2011-02-01

申请人： Teruhiko SUZUKI ,  Akira SUGIYAMA ,  Kyohei KOYABU

发明人： Teruhiko SUZUKI ,  Akira SUGIYAMA ,  Kyohei KOYABU

IPC分类号： G06K9/00

CPC分类号： H04N19/44 ,  H04N11/044 ,  H04N19/105 ,  H04N19/11 ,  H04N19/119 ,  H04N19/122 ,  H04N19/124 ,  H04N19/126 ,  H04N19/136 ,  H04N19/176 ,  H04N19/186 ,  H04N19/46 ,  H04N19/593 ,  H04N19/61 ,  H04N19/70

摘要： The present invention is directed to an image information decoding apparatus adapted for performing intra-image decoding based on resolution of color components and color space of an input image signal. An intra prediction unit serves to adaptively change block size in generating a prediction image based on a chroma format signal indicating whether resolution of color components is one of 4:2:0 format, 4:2:2 format, and 4:4:4 format, and a color space signal indicating whether color space is one of YCbCr, RGB, and XYZ. An inverse orthogonal transform unit and an inverse quantization unit serve to also change orthogonal transform technique and quantization technique in accordance with the chroma format signal and the color space signal. A decoding unit decodes the chroma format signal and the color space signal to generate a prediction image corresponding to the chroma format signal and the color space signal.

公开(公告)号：US20110123109A1

公开(公告)日：2011-05-26

申请号：US13019259

申请日：2011-02-01

申请人： Teruhiko SUZUKI ,  Akira SUGIYAMA ,  Kyohei KOYABU

发明人： Teruhiko SUZUKI ,  Akira SUGIYAMA ,  Kyohei KOYABU

IPC分类号： G06K9/00

CPC分类号： H04N19/44 ,  H04N11/044 ,  H04N19/105 ,  H04N19/11 ,  H04N19/119 ,  H04N19/122 ,  H04N19/124 ,  H04N19/126 ,  H04N19/136 ,  H04N19/176 ,  H04N19/186 ,  H04N19/46 ,  H04N19/593 ,  H04N19/61 ,  H04N19/70

摘要： The present invention is directed to an image information encoding apparatus adapted for performing intra-image encoding based on resolution of color components and color space of an input image signal. An intra prediction unit serves to adaptively change block size in generating a prediction image based on a chroma format signal indicating whether resolution of color components is one of 4:2:0 format, 4:2:2 format, and 4:4:4 format, and a color space signal indicating whether color space is one of YCbCr, RGB, and XYZ. An inverse orthogonal transform unit and an inverse quantization unit serve to also change orthogonal transform technique and quantization technique in accordance with the chroma format signal and the color space signal. An encoding unit encodes the chroma format signal and the color space signal to generate a prediction image corresponding to the chroma format signal and the color space signal.

摘要翻译： 本发明涉及一种适于基于输入图像信号的颜色分量和颜色空间的分辨率执行图像内编码的图像信息编码装置。 帧内预测单元用于基于指示颜色分量的分辨率是4：2：0格式，4：2：2格式和4：4：4之一的色度格式信号来自适应地改变块大小生成预测图像 格式，以及指示颜色空间是YCbCr，RGB和XYZ之一的颜色空间信号。 逆正交变换单元和逆量化单元还用于根据色度格式信号和色彩空间信号改变正交变换技术和量化技术。 编码单元对色度格式信号和色彩空间信号进行编码，以产生对应于色度格式信号和色彩空间信号的预测图像。

公开(公告)号：US20110123108A1

公开(公告)日：2011-05-26

申请号：US13019247

申请日：2011-02-01

申请人： Teruhiko SUZUKI ,  Akira SUGIYAMA ,  Kyohei KOYABU

发明人： Teruhiko SUZUKI ,  Akira SUGIYAMA ,  Kyohei KOYABU

IPC分类号： G06K9/00

CPC分类号： H04N19/44 ,  H04N11/044 ,  H04N19/105 ,  H04N19/11 ,  H04N19/119 ,  H04N19/122 ,  H04N19/124 ,  H04N19/126 ,  H04N19/136 ,  H04N19/176 ,  H04N19/186 ,  H04N19/46 ,  H04N19/593 ,  H04N19/61 ,  H04N19/70

摘要： The present invention is directed to an image information encoding apparatus adapted for performing intra-image encoding based on resolution of color components and color space of an input image signal. An intra prediction unit serves to adaptively change block size in generating a prediction image based on a chroma format signal indicating whether resolution of color components is one of 4:2:0 format, 4:2:2 format, and 4:4:4 format, and a color space signal indicating whether color space is one of YCbCr, RGB, and XYZ. An inverse orthogonal transform unit and an inverse quantization unit serve to also change orthogonal transform technique and quantization technique in accordance with the chroma format signal and the color space signal. An encoding unit encodes the chroma format signal and the color space signal to generate a prediction image corresponding to the chroma format signal and the color space signal.

公开(公告)号：US20110123104A1

公开(公告)日：2011-05-26

申请号：US13019242

申请日：2011-02-01

申请人： Teruhiko SUZUKI ,  Akira SUGIYAMA ,  Kyohei KOYABU

发明人： Teruhiko SUZUKI ,  Akira SUGIYAMA ,  Kyohei KOYABU

IPC分类号： G06K9/00

CPC分类号： H04N19/44 ,  H04N11/044 ,  H04N19/105 ,  H04N19/11 ,  H04N19/119 ,  H04N19/122 ,  H04N19/124 ,  H04N19/126 ,  H04N19/136 ,  H04N19/176 ,  H04N19/186 ,  H04N19/46 ,  H04N19/593 ,  H04N19/61 ,  H04N19/70

摘要： The present invention is directed to an image information decoding apparatus adapted for performing intra-image decoding based on resolution of color components and color space of an input image signal. An intra prediction unit serves to adaptively change block size in generating a prediction image based on a chroma format signal indicating whether resolution of color components is one of 4:2:0 format, 4:2:2 format, and 4:4:4 format, and a color space signal indicating whether color space is one of YCbCr, RGB, and XYZ. An inverse orthogonal transform unit and an inverse quantization unit serve to also change orthogonal transform technique and quantization technique in accordance with the chroma format signal and the color space signal. A decoding unit decodes the chroma format signal and the color space signal to generate a prediction image corresponding to the chroma format signal and the color space signal.

摘要翻译： 本发明涉及一种适于基于输入图像信号的颜色分量和颜色空间的分辨率执行图像内解码的图像信息解码装置。 帧内预测单元用于基于指示颜色分量的分辨率是4：2：0格式，4：2：2格式和4：4：4之一的色度格式信号来自适应地改变块大小生成预测图像 格式，以及指示颜色空间是YCbCr，RGB和XYZ之一的颜色空间信号。 逆正交变换单元和逆量化单元还用于根据色度格式信号和色彩空间信号改变正交变换技术和量化技术。 解码单元解码色度格式信号和色彩空间信号，以生成与色度格式信号和色彩空间信号相对应的预测图像。

公开(公告)号：US20110019930A1

公开(公告)日：2011-01-27

申请号：US12840739

申请日：2010-07-21

申请人： Kyohei KOYABU ,  Takaaki Fuchie

发明人： Kyohei KOYABU ,  Takaaki Fuchie

IPC分类号： G06K9/36

CPC分类号： H04N19/40 ,  H04N19/107 ,  H04N19/114 ,  H04N19/126 ,  H04N19/149 ,  H04N19/159 ,  H04N19/172 ,  H04N19/177 ,  H04N19/194 ,  H04N19/61

摘要： An image encoding device includes: a first encoding unit for calculating a generated code amount by encoding image data for each GOP (Group of Picture); a code amount control unit for setting quantization information for realizing a target generated code amount based on the generated code amount; a quantization information distinguishing unit for calculating a DCT (Discrete Cosine Transform) coefficient, and distinguishing quantization information that minimizes the summation for each picture of remainders when performing division of the DCT coefficient, as quantization information used for performing the last encoding; a picture-type setting unit for setting a picture type to the image data for each GOP, and when this set picture type differs from the picture type of the distinguished quantization information, matching the picture types by controlling the settings of the subsequent picture types; and a second encoding unit for encoding the image data based on the set picture type.

摘要翻译： 图像编码装置包括：第一编码单元，用于通过对每个GOP（图像组）的图像数据进行编码来计算生成的代码量; 代码量控制单元，用于基于生成的代码量设置用于实现目标生成代码量的量化信息; 用于计算DCT（离散余弦变换）系数的量化信息区分单元，以及当执行DCT系数的分割时，将剩余的每个图像的求和最小化的量化信息作为用于执行最后编码的量化信息; 用于将每个GOP的图像数据设置为图像类型的图像类型设置单元，并且当该设置的图像类型与识别的量化信息的图像类型不同时，通过控制后续图像类型的设置来匹配图像类型; 以及第二编码单元，用于基于所设置的图像类型对图像数据进行编码。

公开(公告)号：US20110019929A1

公开(公告)日：2011-01-27

申请号：US12840626

申请日：2010-07-21

申请人： Kyohei KOYABU ,  Takaaki Fuchie

发明人： Kyohei KOYABU ,  Takaaki Fuchie

IPC分类号： G06K9/36

CPC分类号： H04N19/124 ,  H04N19/15 ,  H04N19/159 ,  H04N19/177 ,  H04N19/192

摘要： An image encoding device includes: a first encoding unit for encoding image data using a fixed-quantizing parameter to calculate a generated code amount; a second encoding unit for encoding the image data using multiple different quantizing parameters for each of the quantizing parameters as the image data of an intra picture to calculate a generated code amount; a code amount control unit for determining a quantizing parameter by predicting a quantizing parameter for realizing a target generated code amount, and a generated code amount when employing this quantizing parameter based on the generated code amount calculated at the first encoding unit, and correcting this predicted generated code amount according to the generated code amount calculated at the second encoding unit so as to realize the target generated code amount; and a third encoding unit for encoding the image data using the quantizing parameter determined at the code amount control unit.

摘要翻译： 图像编码装置包括：第一编码单元，用于使用固定量化参数对图像数据进行编码，以计算生成的代码量; 第二编码单元，用于使用用于每个量化参数的多个不同量化参数对图像数据进行编码，作为帧内图像的图像数据，以计算生成的代码量; 代码量控制单元，用于通过预测用于实现目标生成代码量的量化参数来确定量化参数，以及当基于在第一编码单元计算出的生成代码量来采用该量化参数时产生的代码量，并且校正该预测值 根据在第二编码单元计算出的生成代码量生成代码量，以实现目标生成代码量; 以及第三编码单元，用于使用在码量控制单元确定的量化参数对图像数据进行编码。

公开(公告)号：US20110019736A1

公开(公告)日：2011-01-27

申请号：US12840672

申请日：2010-07-21

申请人： Kyohei KOYABU ,  Takaaki Fuchie

发明人： Kyohei KOYABU ,  Takaaki Fuchie

IPC分类号： H04N7/26

CPC分类号： H04N19/00187 ,  H04N19/115 ,  H04N19/124 ,  H04N19/15 ,  H04N19/159 ,  H04N19/176 ,  H04N19/194

摘要： An image encoding device includes: a first encoding unit for calculating a generated code amount when encoding image data using a fixed quantizing parameter, and block distinction regarding whether a macro block is a block for performing temporal prediction or block for performing spatial prediction regarding a picture for predicting a temporal direction; a code amount control unit for setting the offset amount of a quantizing parameter so as to have great code amount to be assigned to a picture including many images to be referenced according to a percentage between the block for temporal prediction, and the block for spatial prediction based on the results of the block distinction, and determining a quantizing parameter based on the generated code amount calculated at the first encoding unit; and a second encoding unit for encoding the image data using the offset quantizing parameter for realizing a target generated code amount.

摘要翻译： 一种图像编码装置包括：第一编码单元，用于当使用固定的量化参数对图像数据进行编码时计算生成的代码量，以及关于宏块是否是用于执行时间预测的块或用于执行关于图像的空间预测的块的块区分 用于预测时间方向; 编码量控制单元，用于将量化参数的偏移量设置为具有根据用于时间预测的块之间的百分比来分配给包括要参考的许多图像的图像的大代码量，以及用于空间预测的块 基于所述块区分的结果，并且基于在所述第一编码单元计算出的所生成的代码量来确定量化参数; 以及第二编码单元，用于使用用于实现目标生成代码量的偏移量化参数对图像数据进行编码。