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21. 发明申请

US20070172136A1 Moving image decoder 失效
标题翻译：运动图像解码器
公开(公告)号：US20070172136A1
公开(公告)日：2007-07-26
申请号：US11385000
申请日：2006-03-20
申请人： Tatsuro Fujisawa , Yoshihiro Kikuchi , Yuji Kawashima , Noriaki Kitada , Kosuke Uchida , Satoshi Hoshina
发明人： Tatsuro Fujisawa , Yoshihiro Kikuchi , Yuji Kawashima , Noriaki Kitada , Kosuke Uchida , Satoshi Hoshina
IPC分类号： G06K9/36
CPC分类号： H04N19/156 , H04N19/126 , H04N19/61
摘要： When a quantized DCT coefficient and a quantization parameter are input from an entropy decoder, a controller outputs them to a switch and gives a load detector an instruction to detect system load. The load detector requests system load information from OS. If the system load is light, the load detector controls the switch to execute first inverse quantization of general load by a general processor and obtain a DCT coefficient. If the system load is heavy, the load detector controls the switch to execute second inverse quantization whose processing load is lighter than the first inverse quantization by a specific processor and obtain a DCT coefficient.
摘要翻译：当从熵解码器输入量化的DCT系数和量化参数时，控制器将它们输出到开关，并给出负载检测器以检测系统负载的指令。负载检测器从OS请求系统负载信息。如果系统负载较轻，则负载检测器控制开关执行通用处理器的一般负载的第一次逆量化并获得DCT系数。如果系统负载很重，则负载检测器控制开关执行第二逆量化，其处理负荷比特定处理器的第一逆量化轻，获得DCT系数。

22. 发明申请

US20070160129A1 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：US20070160129A1
公开(公告)日：2007-07-12
申请号：US11645570
申请日：2006-12-27
申请人： Tatsuro Fujisawa , Yoshihiro Kikuchi , Yuji Kawashima
发明人： Tatsuro Fujisawa , Yoshihiro Kikuchi , Yuji Kawashima
IPC分类号： H04B1/66
CPC分类号： H04N19/86 , H04N19/117 , H04N19/159 , H04N19/172 , H04N19/174 , H04N19/176 , H04N19/61 , H04N19/82
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 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, extracting at least one of information on a quantization parameter and information on an encoding mode of a decoding object from the video stream, and determining whether or not the filter process is skipped based on extracted information thereof, and selectively skipping the filter process based on a 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，通过添加帧内预测图像和有选择地生成的帧间预测图像来生成解码图像，并且残差解码图像将解块滤波处理应用于解码图像从视频流中提取关于量化参数的信息和关于解码对象的编码模式的信息中的至少一个，并且基于其提取的信息来确定是否跳过过滤处理，并且选择性地跳过基于是决定的结果。

23. 发明授权

US08611433B2 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：US08611433B2
公开(公告)日：2013-12-17
申请号：US11711844
申请日：2007-02-28
申请人： Yoshihiro Kikuchi , Tatsuro Fujisawa , Yuji Kawashima
发明人： Yoshihiro Kikuchi , Tatsuro Fujisawa , Yuji Kawashima
IPC分类号： H04N7/12 , H04N11/02 , H04N11/04
CPC分类号： H04N21/25808 , H04N19/42 , H04N19/44 , H04N19/80 , H04N21/2662 , H04N21/4424 , H04N21/4621
摘要： According to one embodiment, an information processing apparatus which includes a video decoding processing to decode a compressed and encoded video image stream by software, selectively generates one of an intra prediction image and an inter prediction image on the basis of an encoding mode of a decoding object from the video stream and a decoded image 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 the generated prediction image and the residual decoded image, applies a deblocking filter process, 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, 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，一种包括通过软件对压缩和编码的视频图像流进行解码的视频解码处理的信息处理设备，基于解码的编码模式选择性地生成帧内预测图像和帧间预测图像之一视频流的对象及其解码图像，根据来自视频流的解码对象的量化参数生成残差解码图像，通过将生成的预测图像和残差解码图像相加来生成解码图像，应用解块滤波器处理，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，基于确定结果逐步简化帧间预测处理。

24. 发明授权

US08340182B2 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：US08340182B2
公开(公告)日：2012-12-25
申请号：US11645570
申请日：2006-12-27
申请人： Tatsuro Fujisawa , Yoshihiro Kikuchi , Yuji Kawashima
发明人： Tatsuro Fujisawa , Yoshihiro Kikuchi , Yuji Kawashima
IPC分类号： H04N7/32
CPC分类号： H04N19/86 , H04N19/117 , H04N19/159 , H04N19/172 , H04N19/174 , H04N19/176 , H04N19/61 , H04N19/82
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 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, extracting at least one of information on a quantization parameter and information on an encoding mode of a decoding object from the video stream, and determining whether or not the filter process is skipped based on extracted information thereof, and selectively skipping the filter process based on a 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，通过添加帧内预测图像和有选择地生成的帧间预测图像来生成解码图像，并且残差解码图像将解块滤波处理应用于解码图像从视频流中提取关于量化参数的信息和关于解码对象的编码模式的信息中的至少一个，并且基于其提取的信息来确定是否跳过过滤处理，并且选择性地跳过基于是决定的结果。

25. 发明授权

US07912130B2 Moving picture coding apparatus 有权
标题翻译：运动图像编码装置
公开(公告)号：US07912130B2
公开(公告)日：2011-03-22
申请号：US11477282
申请日：2006-06-29
申请人： Shingo Suzuki , Yoshihiro Kikuchi , Yuji Kawashima
发明人： Shingo Suzuki , Yoshihiro Kikuchi , Yuji Kawashima
IPC分类号： H04N11/04 , G06K9/36
CPC分类号： H04N19/176 , H04N19/523 , H04N19/573
摘要： While accuracy of motion compensated prediction is kept high, reduction in processing amount is made possible. When motion compensated prediction is performed on inputted image data by a motion vector detection section, first, reference is made to past three reference frames stored in a reference image storage section, integer search is performed on the image data for each macroblock, and a motion prediction vector is detected by this. Based on the detection result of the motion prediction vector, a reference frame most appropriate for execution of motion compensated prediction is determined for each blocks. Next, based on the determination result, it is judged whether or not reference frames regarded as most appropriate for all blocks (nine blocks) are coincident to each other. As a result of the judgment, when the same reference frame is selected for all candidate blocks, only the reference frame regarded as most appropriate is made the object of sub-pel search, and the motion prediction vector is detected with sub-pel pixel accuracy.
摘要翻译：虽然运动补偿预测的精度保持较高，但是可以减少处理量。当通过运动矢量检测部分对输入的图像数据进行运动补偿预测时，首先，参考存储在参考图像存储部分中的过去三个参考帧，对每个宏块的图像数据执行整数搜索，以及运动预测向量由此检测。基于运动预测向量的检测结果，针对每个块确定最适合执行运动补偿预测的参考帧。接下来，基于确定结果，判断被认为是最适合于所有块（9个块）的参考帧是否彼此一致。作为判断的结果，当对所有候选块选择相同的参考帧时，仅将被认为最适合的参考帧作为子像素搜索的对象，并且以子像素像素精度检测运动预测矢量。

26. 发明申请

US20080008240A1 Communication terminal 失效
标题翻译：通讯终端
公开(公告)号：US20080008240A1
公开(公告)日：2008-01-10
申请号：US11825641
申请日：2007-07-05
申请人： Shingo Suzuki , Yoshihiro Kikuchi , Yuji Kawashima
发明人： Shingo Suzuki , Yoshihiro Kikuchi , Yuji Kawashima
IPC分类号： H04N11/04 , H04B1/66
CPC分类号： H04N19/136 , H04N19/109 , H04N19/132 , H04N19/172
摘要： A communication terminal performs a discrete cosine transform and a quantization process in accordance with a selected coding mode so as to reduce loads caused by these processings and suppress degradation of picture quality. When performing coding of a moving picture inputted through a picture input part, a control part determines which coding mode among 4×4 intra prediction coding on a luminance signal, 16×16 intra prediction coding, intra prediction coding on a color-differential signal, and inter prediction coding is performed. In accordance with the selected coding mode, and in view of a predictive error, the processing content in the discrete cosine transform and the quantization process is switched.
摘要翻译：通信终端根据选择的编码模式执行离散余弦变换和量化处理，以减少由这些处理造成的负担，并抑制图像质量的劣化。当对通过图像输入部输入的动态图像进行编码时，控制部分确定对于亮度信号进行4×4帧内预测编码之中的编码模式，16×16帧内预测编码，色差信号的帧内预测编码和帧间预测编码被执行。根据选择的编码模式，并且考虑到预测误差，离散余弦变换和量化处理中的处理内容被切换。

27. 发明授权

US08290041B2 Communication terminal 失效
标题翻译：通讯终端
公开(公告)号：US08290041B2
公开(公告)日：2012-10-16
申请号：US11825641
申请日：2007-07-05
申请人： Shingo Suzuki , Yoshihiro Kikuchi , Yuji Kawashima
发明人： Shingo Suzuki , Yoshihiro Kikuchi , Yuji Kawashima
IPC分类号： H04N7/12
CPC分类号： H04N19/136 , H04N19/109 , H04N19/132 , H04N19/172
摘要： A communication terminal performs a discrete cosine transform and a quantization process in accordance with a selected coding mode so as to reduce loads caused by these processings and suppress degradation of picture quality. When performing coding of a moving picture inputted through a picture input part, a control part determines which coding mode among 4×4 intra prediction coding on a luminance signal, 16×16 intra prediction coding, intra prediction coding on a color-differential signal, and inter prediction coding is performed. In accordance with the selected coding mode, and in view of a predictive error, the processing content in the discrete cosine transform and the quantization process is switched.
摘要翻译：通信终端根据选择的编码模式执行离散余弦变换和量化处理，以减少由这些处理造成的负担，并抑制图像质量的劣化。当对通过画面输入部输入的运动画面进行编码时，控制部分确定4×4帧内预测编码对亮度信号的编码方式，16×16帧内预测编码，色差信号的帧内预测编码，并进行帧间预测编码。根据选择的编码模式，并且考虑到预测误差，离散余弦变换和量化处理中的处理内容被切换。

28. 发明申请

US20080037637A1 Moving picture encoding apparatus 失效
标题翻译：运动图像编码装置
公开(公告)号：US20080037637A1
公开(公告)日：2008-02-14
申请号：US11796948
申请日：2007-04-30
申请人： Yuji Kawashima , Yoshihiro Kikuchi , Shingo Suzuki
发明人： Yuji Kawashima , Yoshihiro Kikuchi , Shingo Suzuki
IPC分类号： H04N11/02
CPC分类号： H04N19/156 , H04N19/103 , H04N19/11 , H04N19/147
摘要： In a moving picture encoding apparatus, a processing load detection section detects a load and outputs load information and a video encoder judges a load level based on the load information. A start pixel in target pixels is determined depending on the load level, the evaluation value is calculated from pixels specified by the start pixel, a encoding cost is calculated based on the evaluation value to select one of prediction modes for minimizing the encoding cost. The start pixel is so selected as to exclude the pixels which are spatially neighboring to reference pixels for prediction, instead of all pixels within a 4×4 pixel block as the processing load becomes large. Thus, the picture processing amount is reducing while suppressing the deterioration of the encoding performance.
摘要翻译：在运动图像编码装置中，处理负载检测部分检测负载并输出负载信息，并且视频编码器基于负载信息来判断负载水平。根据负载水平确定目标像素中的起始像素，根据由起始像素指定的像素计算评估值，基于评估值计算编码成本，以选择用于使编码成本最小化的预测模式之一。选择起始像素，以排除与参考像素在空间上相邻的用于预测的像素，而不是随着处理负载变大而在4×4像素块内的所有像素。因此，在抑制编码性能劣化的同时，图像处理量减少。

29. 发明授权

US08189667B2 Moving picture encoding apparatus 失效
标题翻译：运动图像编码装置
公开(公告)号：US08189667B2
公开(公告)日：2012-05-29
申请号：US11796948
申请日：2007-04-30
申请人： Yuji Kawashima , Yoshihiro Kikuchi , Shingo Suzuki
发明人： Yuji Kawashima , Yoshihiro Kikuchi , Shingo Suzuki
IPC分类号： H04N7/12
CPC分类号： H04N19/156 , H04N19/103 , H04N19/11 , H04N19/147
摘要： In a moving picture encoding apparatus, a processing load detection section detects a load and outputs load information and a video encoder judges a load level based on the load information. A start pixel in target pixels is determined depending on the load level, the evaluation value is calculated from pixels specified by the start pixel, a encoding cost is calculated based on the evaluation value to select one of prediction modes for minimizing the encoding cost. The start pixel is so selected as to exclude the pixels which are spatially neighboring to reference pixels for prediction, instead of all pixels within a 4×4 pixel block as the processing load becomes large. Thus, the picture processing amount is reducing while suppressing the deterioration of the encoding performance.
摘要翻译：在运动图像编码装置中，处理负载检测部分检测负载并输出负载信息，并且视频编码器基于负载信息来判断负载水平。根据负载水平确定目标像素中的起始像素，根据由起始像素指定的像素计算评估值，基于评估值计算编码成本，以选择用于使编码成本最小化的预测模式之一。为了排除与参考像素在空间上相邻的用于预测的像素，而不是随着处理负荷变大而在4×4像素块内的全部像素而被选择。因此，在抑制编码性能劣化的同时，图像处理量减少。

30. 发明申请

US20070009040A1 Moving picture coding apparatus 有权
标题翻译：运动图像编码装置
公开(公告)号：US20070009040A1
公开(公告)日：2007-01-11
申请号：US11477282
申请日：2006-06-29
申请人： Shingo Suzuki , Yoshihiro Kikuchi , Yuji Kawashima
发明人： Shingo Suzuki , Yoshihiro Kikuchi , Yuji Kawashima
IPC分类号： H04N11/04
CPC分类号： H04N19/176 , H04N19/523 , H04N19/573
摘要： While accuracy of motion compensated prediction is kept high, reduction in processing amount is made possible. When motion compensated prediction is performed on inputted image data by a motion vector detection section, first, reference is made to past three reference frames stored in a reference image storage section, integer search is performed on the image data for each macroblock, and a motion prediction vector is detected by this. Based on the detection result of the motion prediction vector, a reference frame most appropriate for execution of motion compensated prediction is determined for each blocks. Next, based on the determination result, it is judged whether or not reference frames regarded as most appropriate for all blocks (nine blocks) are coincident to each other. As a result of the judgment, when the same reference frame is selected for all candidate blocks, only the reference frame regarded as most appropriate is made the object of sub-pel search, and the motion prediction vector is detected with sub-pel pixel accuracy.
摘要翻译：虽然运动补偿预测的精度保持较高，但是可以减少处理量。当通过运动矢量检测部分对输入的图像数据进行运动补偿预测时，首先，参考存储在参考图像存储部分中的过去三个参考帧，对每个宏块的图像数据执行整数搜索，以及运动预测向量由此检测。基于运动预测向量的检测结果，针对每个块确定最适合执行运动补偿预测的参考帧。接下来，基于确定结果，判断被认为是最适合于所有块（9个块）的参考帧是否彼此一致。作为判断的结果，当对所有候选块选择相同的参考帧时，仅将被认为最适合的参考帧作为子像素搜索的对象，并且以子像素像素精度检测运动预测矢量。

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