专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

91. 发明申请

WO2009089370A1 QUANTIZATION BASED ON RATE-DISTORTION MODELING FOR CABAC CODERS 审中-公开
标题翻译：基于CABAC编码器速率失真建模的量化
公开(公告)号：WO2009089370A1
公开(公告)日：2009-07-16
申请号：PCT/US2009/030465
申请日：2009-01-08
申请人： QUALCOMM INCORPORATED , KARCZEWICZ, Marta , YE, Yan
发明人： KARCZEWICZ, Marta , YE, Yan
IPC分类号： H04N7/26
CPC分类号： H04N19/124 , H04N19/13 , H04N19/132 , H04N19/147 , H04N19/176 , H04N19/18 , H04N19/19 , H04N19/91
摘要： This disclosure describes techniques for quantizing coefficients of a video block for a video coding process that supports context-based adaptive binary arithmetic coding (CABAC). A method may comprise generating a plurality of sets of quantized coefficients for the video block, wherein each of the sets of quantized coefficients is defined based on an assumption that a particular one of the coefficients of the video block corresponds to a last non-zero coefficient of the video block, estimating a plurality of costs associated with coding the video block via the CABAC, wherein the estimated costs are based respectively on different ones of the sets of quantized coefficients, and selecting a given one of the sets of quantized coefficients associated with a lowest cost.
摘要翻译：本公开描述了用于量化用于支持基于上下文的自适应二进制算术编码（CABAC）的视频编码处理的视频块的系数的技术。方法可以包括为视频块生成多组量化系数，其中基于视频块的系数中的特定一个对应于最后非零系数的假设来定义每个量化系数集合估计经由CABAC对与视频块进行编码相关联的多个成本，其中估计成本分别基于量化系数集合中的不同的成本，并且选择与所述视频块相关联的量化系数集合中的给定的一组成本最低。

92. 发明申请

WO2009052205A1 SCALABLE VIDEO CODING TECHNIQUES FOR SCALABLE BITDEPTHS 审中-公开
标题翻译：可扩展比特率的可扩展视频编码技术
公开(公告)号：WO2009052205A1
公开(公告)日：2009-04-23
申请号：PCT/US2008/080030
申请日：2008-10-15
申请人： QUALCOMM INCORPORATED , YE, Yan , KARCZEWICZ, Marta , CHUNG, Hyukjune
发明人： YE, Yan , KARCZEWICZ, Marta , CHUNG, Hyukjune
IPC分类号： H04N7/26
CPC分类号： H04N19/36 , H04N19/109 , H04N19/11 , H04N19/176 , H04N19/34 , H04N19/46 , H04N19/51
摘要： This disclosure describes video coding techniques that are executed in a bitdepth-based scalable video coding (SVC) scheme. Base layer video data and enhancement layer video data may be defined at different bitdepths. The techniques of this disclosure concern the coding of enhancement layer video blocks using a unique combination of inter-layer predictive coding modes after determining that inter-layer prediction should be used. In particular, two or more different inter-layer predictive coding modes may be utilized block corresponding to inter base layer blocks, and one of these inter-layer predictive coding modes may also be utilized for blocks corresponding to intra base layer blocks. Syntax information can be generated at the encoder and communicated with the bitstream, so that a decoder can use the proper inter-layer predictive coding mode in the decoding.
摘要翻译：本公开描述了在基于位差的可分级视频编码（SVC）方案中执行的视频编码技术。基层视频数据和增强层视频数据可以在不同的位差定义。在确定应当使用层间预测之后，本公开的技术涉及使用层间预测编码模式的唯一组合的增强层视频块的编码。特别地，可以使用对应于基本基本层块的两个或更多个不同的层间预测编码模式，并且这些层间预测编码模式中的一个也可以用于对应于内部基本层块的块。语法信息可以在编码器处产生并与比特流通信，从而解码器可以在解码中使用适当的层间预测编码模式。

93. 发明申请

WO2008086309A1 CAVLC ENHANCEMENTS FOR SVC CGS ENHANCEMENT LAYER CODING 审中-公开
标题翻译：用于SVC CGS增强层编码的CAVLC增强
公开(公告)号：WO2008086309A1
公开(公告)日：2008-07-17
申请号：PCT/US2008/050435
申请日：2008-01-07
申请人： QUALCOMM INCORPORATED , KARCZEWICZ, Marta
发明人： KARCZEWICZ, Marta
IPC分类号： H04N7/26 , H04N7/34 , H04N7/50
CPC分类号： H04N19/34 , H04N19/13 , H04N19/136 , H04N19/176 , H04N19/196 , H04N19/197 , H04N19/30 , H04N19/593 , H04N19/61 , H04N19/70
摘要： Context-adaptive variable length coding (CAVLC) for scalable video coding (SVC) coarse granular scalability (CGS) enhancement layer coding that utilizes the number of coefficients larger than one (NLrg1) as a syntax element. The coding of coeff_token is based on TotalCoeff and NLrg1 values. Levels are adaptively encoded based on NLrg1 syntax element total_zeros is encoded by adaptively selecting VLC tables based on an estimated number of a neighboring blocks' total_zeros.
摘要翻译：用于可扩展视频编码（SVC）粗粒度可扩展性（CGS）增强层编码的上下文自适应可变长度编码（CAVLC），其利用大于1的系数数（NLrg1）作为语法元素。 coeff_token的编码基于TotalCoeff和NLrg1值。基于NLrg1语法元素自适应地编码级别，通过基于相邻块'total_zeros的估计数量自适应地选择VLC表来编码total_zeros。

94. 发明申请

WO2008048855A2 EFFICIENT SIGNIFICANT COEFFICIENTS CODING IN SCALABLE VIDEO CODECS 审中-公开
标题翻译：高可靠性视频编解码器中有效的重要系数编码
公开(公告)号：WO2008048855A2
公开(公告)日：2008-04-24
申请号：PCT/US2007/081119
申请日：2007-10-11
申请人： QUALCOMM Incorporated , KARCZEWICZ, Marta
发明人： KARCZEWICZ, Marta
CPC分类号： H04N19/33 , H04N19/34 , H04N19/40
摘要： Techniques for efficient significant coefficients coding in scalable video codecs are described. In one configuration, a device including a processing circuit having a set of instruction operative to generate initialization tables for a current frame or slice is provided. The initialization tables have statistics of a significant coefficient pass for a previous encoded frame or slice using scalable video coding. The device also includes a transmitter to transmit the initialization tables with the current frame or slice to a decoder. The decoder can decode a frame or slice with the transmitted initialization tables. The decoder may also use resident default initialization tables.
摘要翻译：描述了用于可伸缩视频编解码器中有效的有效系数编码的技术。在一种配置中，提供一种包括具有用于生成当前帧或片的初始化表的操作指令集的处理电路的设备。初始化表具有使用可缩放视频编码对先前编码的帧或片的有效系数通过的统计。该设备还包括发送器，用于将具有当前帧或切片的初始化表传送到解码器。解码器可以利用发送的初始化表来对帧或片进行解码。解码器也可以使用驻留的默认初始化表。

95. 发明申请

WO2014005248A1 INTRA-CODING OF DEPTH MAPS FOR 3D VIDEO CODING 审中-公开
标题翻译：深度编码用于3D视频编码的深度编码
公开(公告)号：WO2014005248A1
公开(公告)日：2014-01-09
申请号：PCT/CN2012/000942
申请日：2012-07-09
申请人： QUALCOMM INCORPORATED , ZHAO, Xin , CHEN, Ying , ZHANG, Li , KARCZEWICZ, Marta
发明人： ZHAO, Xin , CHEN, Ying , ZHANG, Li , KARCZEWICZ, Marta
IPC分类号： H04N7/26
CPC分类号： H04N19/597 , H04N19/105 , H04N19/107 , H04N19/159 , H04N19/176
摘要： In one example, a device for coding video data includes a video coder configured to determine, for a depth block of a depth component of video data, a co-located texture block of a corresponding texture component, and when at least a portion of the texture block corresponds to a prediction unit of the texture component that is not intra-prediction coded: disable an inter-component Wedgelet depth modeling mode for the depth block, select an intra-prediction coding mode for the depth block other than the disabled inter-component Wedgelet depth modeling mode, and code the depth block using the selected intra-prediction coding mode.
摘要翻译：在一个示例中，用于对视频数据进行编码的设备包括视频编码器，视频编码器被配置为针对视频数据的深度分量的深度块确定相应纹理分量的同位置纹理块，并且当至少一部分纹理块对应于不进行帧内预测编码的纹理分量的预测单位：禁用深度块的分量间楔形深度建模模式，选择除了残差的帧间预测编码模式之外的深度块的帧内预测编码模式，组件Wedgelet深度建模模式，并使用所选择的帧内预测编码模式对深度块进行编码。

96. 发明申请

WO2013039639A1 MOTION VECTOR DETERMINATION FOR VIDEO CODING 审中-公开
标题翻译：运动矢量确定视频编码
公开(公告)号：WO2013039639A1
公开(公告)日：2013-03-21
申请号：PCT/US2012/050918
申请日：2012-08-15
申请人： QUALCOMM INCORPORATED , WANG, Xianglin , ZHENG, Yunfei , SEREGIN, Vadim , KARCZEWICZ, Marta
发明人： WANG, Xianglin , ZHENG, Yunfei , SEREGIN, Vadim , KARCZEWICZ, Marta
IPC分类号： H04N7/26
CPC分类号： H04N19/436 , H04N19/52
摘要： For each prediction unit (PU) belonging to a coding unit (CU), a video coder generates a candidate list. The video coder generates the candidate list such that each candidate in the candidate list that is generated based on motion information of at least one other PU is generated without using motion information of any of the PUs belonging to the CU. After generating the candidate list for a PU, the video coder generates a predictive video block for the PU based on one or more reference blocks indicated by motion information of the PU. The motion information of the PU is determinable based on motion information indicated by a selected candidate in the candidate list for the PU.
摘要翻译：对于属于编码单元（CU）的每个预测单元（PU），视频编码器生成候选列表。视频编码器生成候选列表，使得在不使用属于CU的任何PU的运动信息的情况下生成基于至少一个其他PU的运动信息生成的候选列表中的每个候选。在生成PU的候选列表之后，视频编码器基于由PU的运动信息指示的一个或多个参考块来生成PU的预测视频块。 PU的运动信息可以基于PU的候选列表中由选择的候选者指示的运动信息来确定。

97. 发明申请

WO2013019811A1 CODING PARAMETER SETS FOR VARIOUS DIMENSIONS IN VIDEO CODING 审中-公开
标题翻译：在视频编码中对各种尺寸编码参数集
公开(公告)号：WO2013019811A1
公开(公告)日：2013-02-07
申请号：PCT/US2012/049041
申请日：2012-07-31
申请人： QUALCOMM INCORPORATED , CHEN, Ying , KARCZEWICZ, Marta , WANG, Ye-Kui
发明人： CHEN, Ying , KARCZEWICZ, Marta , WANG, Ye-Kui
IPC分类号： H04N7/26 , H04N13/00 , H04N21/2343 , H04N19/00
CPC分类号： H04N19/40 , H04N13/00 , H04N13/161 , H04N19/186 , H04N19/37 , H04N19/39 , H04N19/70 , H04N21/2343 , H04N21/234309 , H04N21/234354 , H04N21/234363 , H04N21/234381 , H04N21/23439
摘要： In one example, a device for coding video data includes a video coder configured to code, for a bitstream, information representative of which of a plurality of video coding dimensions are enabled for the bitstream, and code values for each of the enabled video coding dimensions, without coding values for the video coding dimensions that are not enabled, in a network abstraction layer (NAL) unit header of a NAL unit comprising video data coded according to the values for each of the enabled video coding dimensions. In this manner, NAL unit headers may have variable lengths, while still providing information for scalable dimensions to which the NAL units correspond.
摘要翻译：在一个示例中，用于对视频数据进行编码的设备包括：视频编码器，被配置为针对比特流编码表示多个视频编码维度中的哪一个为比特流启用的信息，以及为每个启用的视频编码维度，不包括在NAL单元的网络抽象层（NAL）单元头中包含未启用的视频编码维度的编码值，该NAL单元包括根据每个启用视频编码维度的值编码的视频数据。以这种方式，NAL单元头部可以具有可变长度，同时仍然提供用于NAL单元对应的可缩放尺寸的信息。

98. 发明申请

WO2013016611A1 MULTIVIEW VIDEO CODING 审中-公开
标题翻译：多视频编码
公开(公告)号：WO2013016611A1
公开(公告)日：2013-01-31
申请号：PCT/US2012/048478
申请日：2012-07-27
申请人： QUALCOMM Incorporated , CHEN, Ying , KARCZEWICZ, Marta
发明人： CHEN, Ying , KARCZEWICZ, Marta
IPC分类号： H04N7/26 , H04N7/50
CPC分类号： H04N19/50 , H04N19/44 , H04N19/597 , H04N19/61 , H04N19/70
摘要： Aspects of this disclosure relate to a method of coding video data. In an example, the method includes obtaining, from an encoded bistream and for any view component of a first view, reference view information indicating one or more reference views for predicting view components of the first view. The method also includes including, for decoding a first view component in an access unit and in the first view, one or more reference candidates in a reference picture list, where the one or more reference candidates comprise view components in the access unit and in the reference views indicated by the reference view information, where the number of reference candidates is equal to the number of reference views. The method also includes decoding the first view component based on the one or more reference candidates in the reference picture list.
摘要翻译：本公开的方面涉及对视频数据进行编码的方法。在一个示例中，该方法包括从编码双向数据流和第一视图的任何视图组件获得指示用于预测第一视图的视图分量的一个或多个参考视图的参考视图信息。该方法还包括：用于解码访问单元中的第一视图组件和第一视图中的参考图片列表中的一个或多个参考候选项，其中所述一个或多个参考候选项包括访问单元中的视图组件，以及由参考视图信息指示的参考视图，其中参考候选的数量等于参考视图的数量。该方法还包括基于参考图片列表中的一个或多个参考候选来对第一视图分量进行解码。

99. 发明申请

WO2013016225A1 SLICE HEADER PREDICTION FOR DEPTH MAPS IN THREE-DIMENSIONAL VIDEO CODECS 审中-公开
标题翻译：三维视频编解码器中的深度编码的码头预测
公开(公告)号：WO2013016225A1
公开(公告)日：2013-01-31
申请号：PCT/US2012/047690
申请日：2012-07-20
申请人： QUALCOMM INCORPORATED , CHEN, Ying , KARCZEWICZ, Marta
发明人： CHEN, Ying , KARCZEWICZ, Marta
IPC分类号： H04N7/26 , H04N7/50
CPC分类号： H04N19/44 , H04N19/172 , H04N19/174 , H04N19/46 , H04N19/597 , H04N19/61 , H04N19/70
摘要： In one example, a video coder is configured to code a first slice, wherein the first slice comprises one of a texture slice and a corresponding depth slice, wherein the first slice has a slice header comprising complete syntax elements representative of characteristics of the first slice. The video coder is further configured to determine common syntax elements for a second slice from the slice header of the first slice. The video coder is also configured to code the second slice after coding the first slice at least partially based on the determined common syntax elements, wherein the second slice comprises one of the texture slice and the depth slice that is not the first slice, wherein the second slice has a slice header comprising syntax elements representative of characteristics of the second slice, excluding values for syntax elements that are common to the first slice.
摘要翻译：在一个示例中，视频编码器被配置为对第一切片进行编码，其中第一切片包括纹理切片和对应深度切片中的一个，其中第一切片具有包括代表第一切片特征的完整语法元素的切片首标。视频编码器还被配置为从第一切片的切片头部确定第二切片的公共语法元素。视频编码器还被配置为至少部分地基于所确定的公共语法元素对第一片编码之后对第二片进行编码，其中第二片包括不是第一片的纹理片和深度片之一，其中，第二切片具有包括表示第二切片的特征的语法元素的切片标题，不包括第一切片共有的语法元素的值。

100. 发明申请

WO2013009845A2 CODING SYNTAX ELEMENTS USING VLC CODEWORDS 审中-公开
标题翻译：使用VLC编码的编码语音元素
公开(公告)号：WO2013009845A2
公开(公告)日：2013-01-17
申请号：PCT/US2012/046218
申请日：2012-07-11
申请人： QUALCOMM INCORPORATED , KARCZEWICZ, Marta , GUO, Liwei , WANG, Xianglin
发明人： KARCZEWICZ, Marta , GUO, Liwei , WANG, Xianglin
IPC分类号： G06T1/20
CPC分类号： H04N19/91
摘要： This disclosure describes techniques for coding transform coefficients for a block of video data. According to these techniques, a video coder (a video encoder or video decoder) stores a first VLC table array selection table in memory, and an indication of at least one difference between the first VLC table array selection table and a second VLC table array selection table. The video coder reconstructs at least one entry of the second VLC table array selection table based on the first VLC table array selection table using the stored indication of the difference between the first VLC table array selection table and a second VLC table array selection table. The video coder uses the reconstructed at least one entry of the second VLC table array selection table to code at least one block of video data.
摘要翻译：本公开描述了用于编码视频数据块的变换系数的技术。根据这些技术，视频编码器（视频编码器或视频解码器）将第一VLC表阵列选择表存储在存储器中，并且指示第一VLC表阵列选择表和第二VLC表阵列选择之间的至少一个差异表。视频编码器使用存储的第一VLC表阵列选择表和第二VLC表阵列选择表之间的差的指示，基于第一VLC表阵列选择表，重建第二VLC表阵列选择表的至少一个条目。视频编码器使用重构的第二VLC表阵列选择表的至少一个条目来编码至少一个视频数据块。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式