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公开(公告)号:US20070208557A1
公开(公告)日:2007-09-06
申请号:US11367886
申请日:2006-03-03
申请人: Jin Li , James Johnston , Wai Chan
发明人: Jin Li , James Johnston , Wai Chan
IPC分类号: G10L19/00
摘要: The perceptual scalable audio coding/decoding technique lies in the use of a psychoacoustic mask to guide residue coding in enhancement layer coders. At the encoder, a psychoacoustic mask is calculated for the enhancement layer coders or is simply extracted from the coded base layer bitstream. One can also decode the coded base layer bitstream into the audio waveform, and calculate the psychoacoustic mask from the decoded base layer waveform. Furthermore, a predictive technology can be used to refine the psychoacoustic mask derived from the base layer bitstream to form a more accurate psychoacoustic mask of the enhancement layer. In addition, one can calculate the enhancement layer psychoacoustic mask from the original audio, and send the difference between the enhancement layer psychoacoustic mask and the base layer psychoacoustic mask as side information to the decoder. This psychoacoustic mask may then be used for the perceptual coding and decoding of the residue.
摘要翻译: 感知可伸缩音频编码/解码技术在于使用心理声学掩模来指导增强层编码器中的残留编码。 在编码器处,为增强层编码器计算心理声学掩模,或简单地从编码的基本层比特流中提取。 还可以将编码的基本层比特流解码为音频波形,并从解码的基本层波形计算心理声学掩模。 此外,可以使用预测技术来改善从基本层比特流导出的心理声学掩模,以形成增强层的更准确的心理声学掩模。 另外,可以从原始音频计算增强层心理声学掩模,并将增强层心理声学掩模和基础层心理声学掩模之间的差异作为辅助信息发送到解码器。 然后可以将该心理声学掩模用于残留物的感知编码和解码。
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公开(公告)号:US07835904B2
公开(公告)日:2010-11-16
申请号:US11367886
申请日:2006-03-03
申请人: Jin Li , James Johnston , Wai Yip Chan
发明人: Jin Li , James Johnston , Wai Yip Chan
摘要: The perceptual scalable audio coding/decoding technique lies in the use of a psychoacoustic mask to guide residue coding in enhancement layer coders. At the encoder, a psychoacoustic mask is calculated for the enhancement layer coders or is simply extracted from the coded base layer bitstream. One can also decode the coded base layer bitstream into the audio waveform, and calculate the psychoacoustic mask from the decoded base layer waveform. Furthermore, a predictive technology can be used to refine the psychoacoustic mask derived from the base layer bitstream to form a more accurate psychoacoustic mask of the enhancement layer. In addition, one can calculate the enhancement layer psychoacoustic mask from the original audio, and send the difference between the enhancement layer psychoacoustic mask and the base layer psychoacoustic mask as side information to the decoder. This psychoacoustic mask may then be used for the perceptual coding and decoding of the residue.
摘要翻译: 感知可伸缩音频编码/解码技术在于使用心理声学掩模来指导增强层编码器中的残留编码。 在编码器处,为增强层编码器计算心理声学掩模,或简单地从编码的基本层比特流中提取。 还可以将编码的基本层比特流解码为音频波形,并从解码的基本层波形计算心理声学掩模。 此外,可以使用预测技术来改善从基本层比特流导出的心理声学掩模,以形成增强层的更准确的心理声学掩模。 另外,可以从原始音频计算增强层心理声学掩模,并将增强层心理声学掩模和基础层心理声学掩模之间的差异作为辅助信息发送给解码器。 然后可以将该心理声学掩模用于残留物的感知编码和解码。
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公开(公告)号:US09894353B2
公开(公告)日:2018-02-13
申请号:US14125753
申请日:2012-06-12
申请人: Jin Li , Chong Soon Lim , Viktor Wahadaniah , Sue Mon Thet Naing , Hai Wei Sun , Hisao Sasai , Takahiro Nishi , Youji Shibahara , Toshiyasu Sugio , Kyoko Tanikawa , Toru Matsunobu
发明人: Jin Li , Chong Soon Lim , Viktor Wahadaniah , Sue Mon Thet Naing , Hai Wei Sun , Hisao Sasai , Takahiro Nishi , Youji Shibahara , Toshiyasu Sugio , Kyoko Tanikawa , Toru Matsunobu
IPC分类号: H04N19/129 , H04N19/124 , H04N19/159 , H04N19/11 , H04N19/126 , H04N19/157 , H04N19/176 , H04N19/625
CPC分类号: H04N19/157 , H04N19/11 , H04N19/124 , H04N19/126 , H04N19/129 , H04N19/159 , H04N19/176 , H04N19/625
摘要: A method of encoding video using intra prediction mode dependent quantization matrix includes: calculating an array of quantizers for each size of block unit (100); encoding the arrays of quantizers into header of compressed video stream (102); selecting one scanning order based on a selected intra prediction mode among a plurality of scanning orders (112); scanning the array of quantizers to obtain a block of quantizers based on the selected scanning order (114).
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公开(公告)号:US09639543B2
公开(公告)日:2017-05-02
申请号:US12979681
申请日:2010-12-28
申请人: Jin Li , Sudipta Sengupta
发明人: Jin Li , Sudipta Sengupta
IPC分类号: G06F17/30
CPC分类号: G06F17/30097 , G06F17/3007 , G06F17/30159
摘要: The subject disclosure is directed towards a data deduplication technology in which a hash index service's index and/or indexing operations are adaptable to balance deduplication performance savings, throughput and resource consumption. The indexing service may employ hierarchical chunking using different levels of granularity corresponding to chunk size, a sampled compact index table that contains compact signatures for less than all of the hash index's (or subspace's) hash values, and/or selective subspace indexing based on similarity of a subspace's data to another subspace's data and/or to incoming data chunks.
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公开(公告)号:US09154788B2
公开(公告)日:2015-10-06
申请号:US13817004
申请日:2012-05-31
申请人: Viktor Wahadaniah , Chong Soon Lim , Sue Mon Thet Naing , Jin Li , Haiwei Sun , Takahiro Nishi , Hisao Sasai , Youji Shibahara , Kyoko Tanikawa , Toshiyasu Sugio , Toru Matsunobu
发明人: Viktor Wahadaniah , Chong Soon Lim , Sue Mon Thet Naing , Jin Li , Haiwei Sun , Takahiro Nishi , Hisao Sasai , Youji Shibahara , Kyoko Tanikawa , Toshiyasu Sugio , Toru Matsunobu
IPC分类号: H04N7/12 , H04N19/50 , H04N19/176 , H04N19/102 , H04N19/593 , H04N19/117 , H04N19/136 , H04N19/186 , H04N19/182 , H04N19/59
CPC分类号: H04N19/50 , H04N19/102 , H04N19/117 , H04N19/136 , H04N19/176 , H04N19/182 , H04N19/186 , H04N19/59 , H04N19/593
摘要: An image coding method includes obtaining image format information, determining a subsampling method for a luminance signal, storing the subsampling method in a memory, obtaining the subsampling method from the memory, performing subsampling on a luminance signal of a surrounding pixel, calculating a parameter of the linear model using (i) the luminance signal that is subsampled and (ii) chrominance of the surrounding pixel, performing subsampling on the luminance signal of the current block to be coded, and calculating prediction chrominance of the current block to be coded using (i) the parameter of the linear model and (ii) the luminance signal that is subsampled.
摘要翻译: 图像编码方法包括获得图像格式信息,确定用于亮度信号的子采样方法,将二次采样方法存储在存储器中,从存储器获取二次采样方法,对周围像素的亮度信号进行二次采样,计算参数 所述线性模型使用(i)被二次采样的亮度信号和(ii)周围像素的色度,对要编码的当前块的亮度信号执行子采样,以及使用( i)线性模型的参数和(ii)被二次采样的亮度信号。
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公开(公告)号:US09111263B2
公开(公告)日:2015-08-18
申请号:US12484949
申请日:2009-06-15
申请人: Jin Li , James E. Oker , Rajesh K. Hegde , Dinei Afonso Ferreira Florencio , Michel Pahud , Sharon K. Cunnington , Philip A. Chou , Zhengyou Zhang
发明人: Jin Li , James E. Oker , Rajesh K. Hegde , Dinei Afonso Ferreira Florencio , Michel Pahud , Sharon K. Cunnington , Philip A. Chou , Zhengyou Zhang
CPC分类号: G06Q10/109 , G06Q10/1093
摘要: A template and/or knowledge associated with a synchronous meeting are obtained by a computing device. The computing device then adaptively manages the synchronous meeting based at least in part on the template and/or knowledge.
摘要翻译: 通过计算设备获得与同步会议相关联的模板和/或知识。 然后计算设备至少部分地基于模板和/或知识自适应地管理同步会议。
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公开(公告)号:US09047310B2
公开(公告)日:2015-06-02
申请号:US11359276
申请日:2006-02-22
申请人: Jin Li
发明人: Jin Li
CPC分类号: G06F17/30206
摘要: An adaptive coding storage system that uses adaptive erasure resilient code (ERC) which changes the number of fragments used for encoding according to the size of the file distributed. Adaptive ERC may greatly improve the efficiency and reliability of P2P storage. A number of procedures for P2P storage applications may also be implemented. In one embodiment small, dynamic data files are diverted to the more reliable peers or even a server, while large and static files are stored utilizing the storage capacity of the unreliable peers. Also, for balanced contribution and benefit, a peer should host the same amount of content as it stored in the P2P network. As a result, unreliable peers are allowed to distribute less data, and more reliable peers are allowed to distribute more. Also, smaller files are assigned a higher distribution cost, and the larger files are assigned a lower distribution cost.
摘要翻译: 一种自适应编码存储系统,其使用自适应擦除弹性码(ERC),其根据所分配文件的大小改变用于编码的片段的数量。 自适应ERC可以大大提高P2P存储的效率和可靠性。 还可以实现用于P2P存储应用的多个过程。 在一个实施例中,小的动态数据文件被转移到更可靠的对等体或甚至服务器,而使用不可靠对等体的存储容量来存储大而静态的文件。 此外,为了平衡贡献和收益,对等体应该承载与存储在P2P网络中相同数量的内容。 因此,不可靠的对等体被允许分配更少的数据,并且允许更可靠的对等体分发更多的数据。 而且,分配较小的文件分配成本较高,分配较大的文件分配成本较低。
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公开(公告)号:US08892730B2
公开(公告)日:2014-11-18
申请号:US13258446
申请日:2010-05-12
申请人: Xianjun Du , Jin Li , Xiulin Wen , Yan Zhou , Hanzeng Song , Chaoming Deng
发明人: Xianjun Du , Jin Li , Xiulin Wen , Yan Zhou , Hanzeng Song , Chaoming Deng
IPC分类号: G06F15/173 , H04L12/24
CPC分类号: H04L41/145 , H04L41/022 , H04L41/0853 , H04L43/04 , H04L43/0817
摘要: A method for implementing performance management and a network management system are disclosed in the present invention. The method for implementing performance management includes the following steps of: a network management system obtaining a performance management information model which is used for describing related information of all performance data that need to be collected; the network management system instantiating the performance management information model according to a current telecommunication network in application to obtain a performance management information model instance; the network management system collecting the performance data according to the performance management information model instance. The present invention may be applied in performance management in various specialized telecommunications networks.
摘要翻译: 在本发明中公开了一种用于实现性能管理的方法和网络管理系统。 实现性能管理的方法包括以下步骤:获取用于描述需要收集的所有性能数据的相关信息的性能管理信息模型的网络管理系统; 网络管理系统根据当前的电信网络实例化性能管理信息模型,获取性能管理信息模型实例; 网络管理系统根据性能管理信息模型实例收集性能数据。 本发明可以应用于各种专用电信网络中的性能管理。
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公开(公告)号:US08732268B2
公开(公告)日:2014-05-20
申请号:US13090022
申请日:2011-04-19
申请人: Cheng Huang , Ivan Ivanov Batanov , Jin Li
发明人: Cheng Huang , Ivan Ivanov Batanov , Jin Li
IPC分类号: G06F15/16
CPC分类号: H04L61/609 , H04L47/12 , H04L61/1511 , H04L61/301 , H04L61/305 , H04L67/1002
摘要: A particular method includes receiving a request from a client at a server and sending a global traffic management identifier in response to the request from the client. The global traffic management identifier is determined based on an attribute of the client. In response to the client requesting access to a service based on a modified hostname of the service, a data center associated with the service is identified based on the modified hostname of the service. The modified hostname identifies the global traffic management identifier, and the identified data center is useable by the client to access the service.
摘要翻译: 特定方法包括从服务器的客户端接收请求,并响应于来自客户端的请求发送全局流量管理标识符。 基于客户端的属性来确定全局流量管理标识符。 响应于客户端基于服务的修改的主机名请求对服务的访问,基于服务的修改的主机名来识别与该服务相关联的数据中心。 修改的主机名标识全局流量管理标识符,并且所识别的数据中心可由客户端访问该服务。
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