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1. 发明申请

US20080198928A1 INFORMATION PROCESSING APPARATUS AND INTER-PREDICTION MODE DETERMINING METHOD 有权
标题翻译：信息处理装置和预测模式确定方法
公开(公告)号：US20080198928A1
公开(公告)日：2008-08-21
申请号：US12027772
申请日：2008-02-07
申请人： Tatsuro Fujisawa , Yoshihiro Kikuchi , Yuji Kawashima , Shingo Suzuki
发明人： Tatsuro Fujisawa , Yoshihiro Kikuchi , Yuji Kawashima , Shingo Suzuki
IPC分类号： H04N7/32
CPC分类号： H04N7/50 , H04N19/109 , H04N19/136 , H04N19/176 , H04N19/61
摘要： According to one embodiment, an information processing apparatus includes an inter-prediction unit which generates a prediction signal, a transformation unit which orthogonal transform a prediction residual signal between the prediction signal and a picture signal of the macro block, and an inter-prediction mode determining unit which determines a combination of an inter-prediction mode used by the inter-prediction unit and DCT used by the transformation unit for each macro block. The inter-prediction mode determining unit includes a first selection unit which selects a preset number of inter-prediction modes from plural types of inter-prediction mode with a specified type of DCT, and a second selection unit which selects a combination of one inter-prediction mode and one DCT from the preset number of inter-prediction modes selected by the first selection unit and the plural types of DCT.
摘要翻译：根据一个实施例，一种信息处理装置包括：生成预测信号的帧间预测单元，对该预测信号与该宏块的图像信号进行正交变换的预测残差信号和帧间预测模式确定单元，其确定由所述帧间预测单元使用的帧间预测模式与由所述变换单元对于每个宏块使用的DCT的组合。帧间预测模式确定单元包括：第一选择单元，其从具有指定类型的DCT的多种类型的帧间预测模式中选择预设数量的帧间预测模式;以及第二选择单元，其选择一个帧间预测模式的组合，预测模式和从由第一选择单元和多种类型的DCT选择的预设数量的帧间预测模式的一个DCT。

2. 发明授权

US08737482B2 Information processing apparatus and inter-prediction mode determining method 有权
标题翻译：信息处理装置和帧间预测模式确定方法
公开(公告)号：US08737482B2
公开(公告)日：2014-05-27
申请号：US12027772
申请日：2008-02-07
申请人： Tatsuro Fujisawa , Yoshihiro Kikuchi , Yuji Kawashima , Shingo Suzuki
发明人： Tatsuro Fujisawa , Yoshihiro Kikuchi , Yuji Kawashima , Shingo Suzuki
IPC分类号： H04N7/30 , H04N7/50
CPC分类号： H04N7/50 , H04N19/109 , H04N19/136 , H04N19/176 , H04N19/61
摘要： According to one embodiment, an information processing apparatus includes an inter-prediction unit which generates a prediction signal, a transformation unit which orthogonal transform a prediction residual signal between the prediction signal and a picture signal of the macro block, and an inter-prediction mode determining unit which determines a combination of an inter-prediction mode used by the inter-prediction unit and DCT used by the transformation unit for each macro block. The inter-prediction mode determining unit includes a first selection unit which selects a preset number of inter-prediction modes from plural types of inter-prediction mode with a specified type of DCT, and a second selection unit which selects a combination of one inter-prediction mode and one DCT from the preset number of inter-prediction modes selected by the first selection unit and the plural types of DCT.
摘要翻译：根据一个实施例，一种信息处理装置包括：生成预测信号的帧间预测单元，对该预测信号与该宏块的图像信号进行正交变换的预测残差信号和帧间预测模式确定单元，其确定由所述帧间预测单元使用的帧间预测模式与由所述变换单元对于每个宏块使用的DCT的组合。帧间预测模式确定单元包括：第一选择单元，其从具有指定类型的DCT的多种类型的帧间预测模式中选择预设数量的帧间预测模式;以及第二选择单元，其选择一个帧间预测模式的组合，预测模式和从由第一选择单元和多种类型的DCT选择的预设数量的帧间预测模式的一个DCT。

3. 发明授权

US08275035B2 Video coding apparatus 失效
标题翻译：视频编码装置
公开(公告)号：US08275035B2
公开(公告)日：2012-09-25
申请号：US11832862
申请日：2007-08-02
申请人： Tatsuro Fujisawa , Yoshihiro Kikuchi , Yuji Kawashima , Shingo Suzuki
发明人： Tatsuro Fujisawa , Yoshihiro Kikuchi , Yuji Kawashima , Shingo Suzuki
IPC分类号： H04N7/12
CPC分类号： H04N19/109 , H04N19/107 , H04N19/11 , H04N19/159 , H04N19/176 , H04N19/61
摘要： One embodiment of the invention provides a video coding apparatus including an intraprediction section that generates prediction signals by plural intraprediction modes, an interprediction section that generates prediction signals by plural interprediction modes, and a first determination section that selects a first prediction mode to select a prediction signal by the first prediction mode from among the prediction signals by the plural intraprediction modes and the plural interprediction modes. The first determination section includes a second determination section that selects a second prediction mode from among the plural interprediction modes, a candidate limiting section that selects at least one of the plural intraprediction modes based on the second prediction mode, a third determination section that selects a third prediction mode from among the at least one of the plural intraprediction modes and a fourth determination section that selects the first prediction mode from among the second and third prediction modes.
摘要翻译：本发明的一个实施例提供了一种视频编码装置，包括：通过多个预测模式生成预测信号的预测部分，通过多个分支模式生成预测信号的分组预测部分;以及第一确定部分，其选择第一预测模式以选择预测通过多个预测模式和多个分支模式之间的预测信号中的第一预测模式的信号。第一确定部分包括第二确定部分，其从多个分支预测模式中选择第二预测模式，候选限制部分，其基于第二预测模式选择多个预测模式中的至少一个;第三确定部分，其选择从多个预测模式中的至少一个预测模式中选择第三预测模式;以及第四确定部，其从第二和第三预测模式中选择第一预测模式。

4. 发明授权

US08130839B2 Information processing apparatus with video encoding process control based on detected load 失效
标题翻译：基于检测到的负载的具有视频编码处理控制的信息处理设备
公开(公告)号：US08130839B2
公开(公告)日：2012-03-06
申请号：US11940767
申请日：2007-11-15
申请人： Yuji Kawashima , Yoshihiro Kikuchi , Tatsuro Fujisawa , Shingo Suzuki
发明人： Yuji Kawashima , Yoshihiro Kikuchi , Tatsuro Fujisawa , Shingo Suzuki
IPC分类号： H04N7/12
CPC分类号： H04N19/57 , H04N19/156 , H04N19/61
摘要： According to one embodiment, an information processing apparatus includes an input unit which inputs moving picture signal, a processing load detecting unit which detects a processing load, a motion estimation unit which detects the inter-frame motion of blocks obtained by dividing an input picture constituting the input moving picture signal in a square region which is set according to the processing load detected at the processing load detecting unit and whose diagonal line is parallel to one side of the blocks, a motion compensation prediction unit which generates a prediction signal based on the result of the detection at the motion estimation unit, a conversion unit which converts a prediction residual error signal obtained from a residual error in the prediction signal and the input picture signal, and an output unit which encodes a conversion coefficient converted at the conversion unit, and outputs an encoded stream.
摘要翻译：根据一个实施例，一种信息处理设备包括：输入单元，其输入运动图像信号;处理负载检测单元，其检测处理负载;运动估计单元，其检测通过对构成的输入图像进行划分获得的块的帧间运动; 所述输入运动图像信号在根据在所述处理负荷检测单元检测到的并且其对角线平行于所述块的一侧的处理负载而设置的正方形区域中，基于所述运动补偿预测单元生成预测信号在运动估计单元处的检测结果，转换单元，其转换从预测信号和输入图像信号中的残余误差获得的预测残差误差信号;以及输出单元，其对在转换单元处转换的转换系数进行编码，并输出编码流。

5. 发明申请

US20080159397A1 Information Processing Apparatus 失效
标题翻译：信息处理装置
公开(公告)号：US20080159397A1
公开(公告)日：2008-07-03
申请号：US11940767
申请日：2007-11-15
申请人： Yuji Kawashima , Yoshihiro Kikuchi , Tatsuro Fujisawa , Shingo Suzuki
发明人： Yuji Kawashima , Yoshihiro Kikuchi , Tatsuro Fujisawa , Shingo Suzuki
IPC分类号： H04N7/32
CPC分类号： H04N19/57 , H04N19/156 , H04N19/61
摘要： According to one embodiment, an information processing apparatus includes an input unit which inputs moving picture signal, a processing load detecting unit which detects a processing load, a motion estimation unit which detects the inter-frame motion of blocks obtained by dividing an input picture constituting the input moving picture signal in a square region which is set according to the processing load detected at the processing load detecting unit and whose diagonal line is parallel to one side of the blocks, a motion compensation prediction unit which generates a prediction signal based on the result of the detection at the motion estimation unit, a conversion unit which converts a prediction residual error signal obtained from a residual error in the prediction signal and the input picture signal, and an output unit which encodes a conversion coefficient converted at the conversion unit, and outputs an encoded stream.
摘要翻译：根据一个实施例，一种信息处理设备包括：输入单元，其输入运动图像信号;处理负载检测单元，其检测处理负载;运动估计单元，其检测通过对构成的输入图像进行划分获得的块的帧间运动; 所述输入运动图像信号在根据在所述处理负荷检测单元检测到的并且其对角线平行于所述块的一侧的处理负载而设置的正方形区域中，基于所述运动补偿预测单元生成预测信号在运动估计单元处的检测结果，转换单元，其转换从预测信号和输入图像信号中的残余误差获得的预测残差误差信号;以及输出单元，其对在转换单元处转换的转换系数进行编码，并输出编码流。

6. 发明授权

US08630347B2 Video decoding apparatus and video decoding method 失效
标题翻译：视频解码装置和视频解码方法
公开(公告)号：US08630347B2
公开(公告)日：2014-01-14
申请号：US11711024
申请日：2007-02-27
申请人： Tatsuro Fujisawa , Yoshihiro Kikuchi , Yuji Kawashima
发明人： Tatsuro Fujisawa , Yoshihiro Kikuchi , Yuji Kawashima
IPC分类号： H04N7/12 , H04N11/02 , H04N11/04
CPC分类号： H04N19/577 , H04N19/117 , H04N19/156 , H04N19/172 , H04N19/174 , H04N19/176 , H04N19/44 , H04N19/59
摘要： According to one embodiment, a video decoding apparatus decoding a video stream selectively generates one of an intra prediction image and an inter prediction image based on an encoding mode of a decoding object from the video stream and decoded images thereof, generates a residual decoded image based on a quantization parameter of a decoding object from the video stream, generates a decoded image by adding one of an intra prediction image and an inter prediction image selectively generated, and the residual decoded image, applies deblocking filter process for reducing a block distortion onto the decoded image, extracts information on an encoding mode from the video image stream to determine whether or not inter prediction processes for generating the inter prediction image should be simplified, and simplifies the inter prediction process step-by-step on the basis of the result of the determination.
摘要翻译：根据一个实施例，解码视频流的视频解码装置基于来自视频流的解码对象的编码模式及其解码图像选择性地生成帧内预测图像和帧间预测图像之一，并且生成基于残差解码图像对来自视频流的解码对象的量化参数，通过添加有选择地生成的帧内预测图像和帧间预测图像之一来生成解码图像，并且残差解码图像将用于减少块失真的去块滤波处理应用于解码图像，从视频图像流中提取关于编码模式的信息，以确定是否应该简化用于生成帧间预测图像的帧间预测处理，并且基于所述帧间预测处理的结果逐步简化帧间预测处理决心。

7. 发明授权

US08270484B2 Information processing apparatus, conversion circuit, and program 失效
标题翻译：信息处理装置，转换电路和程序
公开(公告)号：US08270484B2
公开(公告)日：2012-09-18
申请号：US12145066
申请日：2008-06-24
申请人： Yoshihiro Kikuchi , Tatsuro Fujisawa , Yuji Kawashima , Makoto Oshikiri
发明人： Yoshihiro Kikuchi , Tatsuro Fujisawa , Yuji Kawashima , Makoto Oshikiri
IPC分类号： H04N7/12
CPC分类号： H04N21/2368 , H04N19/107 , H04N19/114 , H04N19/162 , H04N19/172 , H04N19/177 , H04N19/40 , H04N19/577 , H04N21/434 , H04N21/4341 , H04N21/4344 , H04N21/4382 , H04N21/44209
摘要： An information processing apparatus is presented that includes a first determination unit which determines whether a processing target frame is a frame of a predetermined type and a second determination unit which determines whether an interval between the frame and a frame of the predetermined type located temporally nearest in the forward direction, exceeds a predetermined frame count. In addition, a conversion unit is included which converts the processing target frame into a frame of the predetermined type, when the second determination unit determines that the interval exceeds the predetermined frame count.
摘要翻译：提供了一种信息处理装置，其包括：第一确定单元，其确定处理目标帧是否是预定类型的帧;以及第二确定单元，其确定帧和预定类型的帧之间的时间间隔是否位于正向方向超过预定帧数。此外，当第二确定单元确定间隔超过预定帧数时，包括将处理目标帧转换成预定类型的帧的转换单元。

8. 发明申请

US20070160140A1 Information processing apparatus and video decoding method of information processing apparatus 失效
标题翻译：信息处理装置和信息处理装置的视频解码方法
公开(公告)号：US20070160140A1
公开(公告)日：2007-07-12
申请号：US11644188
申请日：2006-12-22
申请人： Tatsuro Fujisawa , Yoshihiro Kikuchi , Yuji Kawashima
发明人： Tatsuro Fujisawa , Yoshihiro Kikuchi , Yuji Kawashima
IPC分类号： H04N7/12
CPC分类号： H04N19/86 , H04N19/117 , H04N19/156 , H04N19/159 , H04N19/44 , H04N19/61
摘要： According to one embodiment, information processing apparatus which decodes compressed and encoded video stream by software, selectively generates one of intra and inter prediction image on the basis of encoding mode of decoding object from video stream and decoded images thereof, generates a residual error decoded image on the basis of a quantization parameter of decoding object from video stream, generates decoded image by adding intra and inter prediction image selectively generated, and residual error decoded image, applies deblocking filter process for reducing block distortion onto decoded image, extracts at least one of information on a quantization parameter and information on encoding mode of decoding object from video stream, determines whether or not filter process is skipped on the basis of extracted information thereof, and selectively skips filter process on the basis of a result of determination, and selectively switches determination and processing of skip to be valid or invalid.
摘要翻译：根据一个实施例，通过软件解码压缩和编码的视频流的信息处理设备基于来自视频流的解码对象的编码模式及其解码图像选择性地生成帧内和帧间预测图像之一，生成残差错误解码图像基于来自视频流的解码对象的量化参数，通过添加选择性地生成的帧内和帧间预测图像和残差误差解码图像，生成解码图像，将去块滤波处理用于将块失真减少到解码图像上，提取至少一个关于量化参数的信息和关于从视频流解码对象的编码模式的信息，基于其提取的信息来确定是否跳过过滤处理，并且基于确定结果选择性地跳过过滤处理，并且选择性地切换确定和处理跳过有效o r无效。

9. 发明授权

US08848798B2 Information processing apparatus and inter-prediction mode determination method 有权
标题翻译：信息处理装置和帧间预测模式确定方法
公开(公告)号：US08848798B2
公开(公告)日：2014-09-30
申请号：US12186074
申请日：2008-08-05
申请人： Tatsuro Fujisawa , Yoshihiro Kikuchi , Yuji Kawashima
发明人： Tatsuro Fujisawa , Yoshihiro Kikuchi , Yuji Kawashima
IPC分类号： H04N7/30 , H04N19/176 , H04N19/61 , H04N19/122 , H04N19/147 , H04N19/109
CPC分类号： H04N19/00084 , H04N19/109 , H04N19/122 , H04N19/147 , H04N19/176 , H04N19/61
摘要： According to one embodiment, an information processing apparatus which encodes a moving image signal, includes an inter-prediction mode determination unit which determines a combination of an inter-prediction mode used by an inter-prediction unit and a DCT used by a transformation unit among from an inter-prediction modes and a DCTs, for each of macroblocks. The inter-prediction mode determination unit includes a first selection unit which selects DCTs of a predetermined number from the DCTs, for at least one specific inter-prediction mode among the inter-prediction modes, and a second selection unit which selects a combination of one inter-prediction mode and one DCT from the inter-prediction modes and the DCTs of the predetermined number selected by the first selection unit.
摘要翻译：根据一个实施例，对运动图像信号进行编码的信息处理装置包括帧间预测模式确定单元，其确定帧间预测单元使用的帧间预测模式与由变换单位使用的DCT的组合对于每个宏块，从帧间预测模式和DCT。帧间预测模式确定单元包括：第一选择单元，用于对于帧间预测模式中的至少一个特定帧间预测模式，从DCT中选择预定数量的DCT;以及第二选择单元，其选择一个帧间预测模式和来自帧间预测模式的一个DCT和由第一选择单元选择的预定数量的DCT。

10. 发明授权

US08599935B2 Moving image decoding apparatus and moving image decoding method 失效
标题翻译：运动图像解码装置和运动图像解码方法
公开(公告)号：US08599935B2
公开(公告)日：2013-12-03
申请号：US11699037
申请日：2007-01-29
申请人： Yuji Kawashima , Yoshihiro Kikuchi , Tatsuro Fujisawa
发明人： Yuji Kawashima , Yoshihiro Kikuchi , Tatsuro Fujisawa
IPC分类号： H04N7/12
CPC分类号： H04N19/86 , H04N19/117 , H04N19/14 , H04N19/156 , H04N19/159 , H04N19/176 , H04N19/44 , H04N19/61
摘要： According to one embodiment, a moving image decoding apparatus is applied in a video reproducing apparatus and includes a deblocking filter unit for performing deblocking filtering and a processing load detection unit for detecting an intra-unit processing load including a processing load of a decoder. The moving image decoding apparatus sets a judgment threshold value for judging whether or not to perform the deblocking filtering depending on a load level indicating the level of the magnitude of the intra-unit processing load, judges whether or not a processing parameter obtained from adjacent blocks of a plurality of blocks constituting each frame is greater than the judgment threshold value, and conducts control not to perform the deblocking filtering when the processing parameter is smaller than the judgment threshold value.
摘要翻译：根据一个实施例，运动图像解码装置应用于视频再现装置，并且包括用于执行去块滤波的去块滤波器单元和用于检测包括解码器的处理负载的单位内处理负载的处理负载检测单元。运动图像解码装置根据表示单位内处理负荷的大小的电平的负载水平设定判断是否进行去块滤波的判断阈值，判断从相邻块获得的处理参数构成每个帧的多个块的大小大于判定阈值，并且当处理参数小于判断阈值时，进行不进行去块滤波的控制。

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