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公开(公告)号：US08630347B2
公开(公告)日：2014-01-14
申请号：US11711024
申请日：2007-02-27
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。
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公开(公告)号：US08270484B2
公开(公告)日：2012-09-18
申请号：US12145066
申请日：2008-06-24
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。
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3.发明申请公开(公告)号：US20080198928A1
公开(公告)日：2008-08-21
申请号：US12027772
申请日：2008-02-07
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。
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4.发明申请Information processing apparatus and video decoding method of information processing apparatus 失效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
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。
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5.发明授权Information processing apparatus and inter-prediction mode determination method 有权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
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。
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公开(公告)号：US08599935B2
公开(公告)日：2013-12-03
申请号：US11699037
申请日：2007-01-29
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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公开(公告)号：US07961791B2
公开(公告)日：2011-06-14
申请号：US11385854
申请日：2006-03-21
申请人： Yuji Kawashima , Yoshihiro Kikuchi , Tatsuro Fujisawa , Noriaki Kitada , Kosuke Uchida , Satoshi Hoshina
发明人： Yuji Kawashima , Yoshihiro Kikuchi , Tatsuro Fujisawa , Noriaki Kitada , Kosuke Uchida , Satoshi Hoshina
IPC分类号： H04N7/12
CPC分类号： H04N19/86 , H04N19/117 , H04N19/156 , H04N19/172
摘要： A decoding apparatus includes a decoder configured to receive a series of encoded pictures and to decode each of the encoded pictures to produce a series of decoded pictures, each of the encoded pictures being either intra-encoded or inter-encoded, and each of the decoded pictures being either referred or, non-referred, a blocking noise suppressor configured to suppress blocking noise of each of the decoded pictures, and a controller configured to detect an amount of a load, to run each of the referred decoded pictures through the blocking noise suppressor if the detected amount of the load is no lower than a given threshold, and to have each of the non-referred decoded pictures bypass the blocking noise suppressor if the detected amount of the load is no lower than the threshold.
摘要翻译： 解码装置包括：解码器，被配置为接收一系列编码图像并解码每个编码图像以产生一系列解码图像，每个编码图像是经内编码或内编码的，并且每个解码 图像是被引用的或未被引用的，被配置为抑制每个解码图像的阻塞噪声的阻塞噪声抑制器，以及被配置为检测负载量的控制器，通过阻塞噪声运行每个被参照的解码图像 如果检测到的负载量不低于给定阈值，并且如果检测到的负载量不低于阈值，则使每个非参考解码图像旁路阻塞噪声抑制器。
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公开(公告)号：US20090003442A1
公开(公告)日：2009-01-01
申请号：US12145066
申请日：2008-06-24
IPC分类号： H04N11/02
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： According to one embodiment, an information processing apparatus includes a first determination unit which determines whether or not a processing target frame is a frame of the predetermined type, a second determination unit which determines whether or not an interval between the frame and a frame of the predetermined type located temporally nearest in a forward direction exceeds a predetermined frame count, when the first determination unit determines that the processing target frame is not a frame of the predetermined type, and a conversion unit 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： 根据一个实施例，信息处理设备包括：第一确定单元，确定处理目标帧是否是预定类型的帧;第二确定单元，确定帧与帧的帧之间的间隔; 当第一确定单元确定处理目标帧不是预定类型的帧时，在正向方向上位于时间上最近的预定类型超过预定帧计数，以及转换单元，其将处理目标帧转换为 当所述第二确定单元确定所述间隔超过所述预定帧计数时，所述预定类型。
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公开(公告)号：US20070177669A1
公开(公告)日：2007-08-02
申请号：US11385854
申请日：2006-03-21
申请人： Yuji Kawashima , Yoshihiro Kikuchi , Tatsuro Fujisawa , Noriaki Kitada , Kosuke Uchida , Satoshi Hoshina
发明人： Yuji Kawashima , Yoshihiro Kikuchi , Tatsuro Fujisawa , Noriaki Kitada , Kosuke Uchida , Satoshi Hoshina
CPC分类号： H04N19/86 , H04N19/117 , H04N19/156 , H04N19/172
摘要： Provided is a decoding apparatus comprising a decoder configured to receive a series of encoded pictures and to decode each of the encoded pictures to produce a series of decoded pictures, each of the encoded pictures being either intra-encoded or inter-encoded, and each of the decoded pictures being either referred or nonreferred, a blocking noise suppressor configured to suppress blocking noise of each of the decoded pictures, and a controller configured to detect an amount of a load, to run each of the decoded pictures through the blocking noise suppressor if the detected amount of the load is lower than a given threshold, to have each of the decoded pictures being non-referred bypass the blocking noise suppressor if the detected amount of the load is no lower than the threshold, and to transmit each of the decoded pictures either having been run through or having bypassed the blocking noise suppressor.
摘要翻译： 提供了一种解码装置，包括：解码器，被配置为接收一系列编码图像，并对每个经编码的图像进行解码以产生一系列解码的图像，每个编码图像是经内编码或内编码的， 被解码的图像是被推荐的或非推荐的，阻塞噪声抑制器被配置为抑制每个解码图像的阻塞噪声，以及控制器，被配置为检测负载量，以通过阻塞噪声抑制器运行每个解码图像，如果 检测到的负载量低于给定阈值，如果检测到的负载量不低于阈值，则使解码图像中的每一个不被引用旁路，并且将每个解码的图像 图片已经穿过或绕过阻塞噪声抑制器。
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10.发明授权Information processing apparatus and video decoding method of information processing apparatus 失效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：US08625668B2
公开(公告)日：2014-01-07
申请号：US11644188
申请日：2006-12-22
IPC分类号： H04N11/02
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。
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