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公开(公告)号：US20120218131A1
公开(公告)日：2012-08-30
申请号：US13381911
申请日：2010-06-22
IPC分类号： H03M7/00
CPC分类号： H03M7/4006 , H04N19/13 , H04N19/61 , H04N19/93
摘要： A method for arithmetic coding of symbols in a stream is described. The method comprises the following steps: coding a current symbol with a current probability model, and updating the current probability model according to the coding of the current symbol. selecting the current probability model in a set of at least two probability models according to a coding cost criterion, and coding an identifier of the selected probability model.
摘要翻译： 描述流中符号的算术编码的方法。 该方法包括以下步骤：使用当前概率模型对当前符号进行编码，并根据当前符号的编码更新当前概率模型。 根据编码成本准则选择一组至少两个概率模型中的当前概率模型，以及对所选概率模型的标识符进行编码。
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公开(公告)号：US08155192B2
公开(公告)日：2012-04-10
申请号：US10546791
申请日：2004-02-20
申请人： Gwenaelle Marquant , Guillaume Boisson , Edouard Francois , Jérôme Vieron , Philippe Robert , Christine Guillemot
发明人： Gwenaelle Marquant , Guillaume Boisson , Edouard Francois , Jérôme Vieron , Philippe Robert , Christine Guillemot
IPC分类号： H04N7/12
摘要： Fully scalable encoder and decoder for interlaced video. A method for encoding an interlaced sequence of digital video data decomposes the interlaced video sequence into first and second fields, performs digital filtering to get lower frequency and higher frequency component signals of the first fields, and uses spatio-temporal filtering and motion estimation for generating base layer signals being suitable for reconstruction of a progressive mode video sequence in a receiver. Advantageously, both the spatio-temporal filter at the encoder, and the inverse process at the receiver, can perform scaling in spatial and temporal dimension. The second fields are used to generate enhancement signals, which enable a receiver to reproduce an interlaced video sequence of the full, or scaled, spatial and/or temporal resolution.
摘要翻译： 完全可缩放的编码器和解码器，用于隔行视频。 用于编码数字视频数据的隔行序列的方法将隔行视频序列分解成第一和第二场，执行数字滤波以获得第一场的较低频率和较高频率分量信号，并且使用时空滤波和运动估计来产生 基层信号适用于在接收机中重建逐行扫描视频序列。 有利地，编码器处的时空滤波器和接收器处的逆过程都可以在空间和时间维度上执行缩放。 第二场用于产生增强信号，这使得接收机能够再现完整或缩放的空间和/或时间分辨率的隔行视频序列。
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公开(公告)号：US07983339B2
公开(公告)日：2011-07-19
申请号：US10585488
申请日：2005-01-03
CPC分类号： H04N19/137 , H04N19/103 , H04N19/105 , H04N19/107 , H04N19/114 , H04N19/124 , H04N19/14 , H04N19/172 , H04N19/176 , H04N19/51 , H04N19/61
摘要： The method comprises the steps for the: calculation of a rate of potential use of an entity of the picture k for a backward predictive coding of the picture k−s, according to the number of vectors of the backward motion vector field of the picture k−s pointing to the entity of the picture k or in its near surroundings and/or calculation of a rate of potential use of an entity of the picture k for a forward predictive coding of the picture k+p, according to the number of vectors of the forward motion vector field of the picture k+p pointing to the entity of the picture k or in its near surroundings, coding of the picture entity or the picture comprising the entity according to the rate of use of the picture entity. The applications concern the hybrid type compression diagrams.
摘要翻译： 该方法包括以下步骤：根据图像k的向后运动矢量场的向量的数量，计算图像k的实体的潜在利用率用于图像k-s的反向预测编码 -s指向图像k的实体或其附近的周围和/或根据矢量的数量来计算图像k的实体的潜在使用率用于图像k + p的正向预测编码 指向图像k的实体的图像k + p的前向运动矢量场的编码，或者根据图像实体的使用速率对图像实体或包括实体的图像进行编码。 这些应用涉及混合型压缩图。
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公开(公告)号：US07672520B2
公开(公告)日：2010-03-02
申请号：US11437495
申请日：2006-05-19
IPC分类号： G06K9/36
CPC分类号： H04N19/615 , H04N19/13 , H04N19/61 , H04N19/63 , H04N19/645 , H04N19/70
摘要： The invention relates to a method for coding N+1 images comprising a step of temporal analysis of these images generating a low-frequency image and N high-frequency images. It furthermore comprises the following steps: dividing each of the N+1 low-frequency and high-frequency images into N+1 parts; interleaving the N+1 low-frequency and high-frequency images so as to generate N+1 interleaved images and so that the N+1 parts of the low-frequency image are distributed between the N+1 interleaved images, each of the N+1 interleaved images comprising a single part of the low-frequency image; and coding the N+1 interleaved images independently of one another, each of the interleaved images being coded with one and the same number of bits.
摘要翻译： 本发明涉及一种用于对N + 1图像进行编码的方法，包括对生成低频图像和N个高频图像的这些图像进行时间分析的步骤。 此外还包括以下步骤：将N + 1个低频和高频图像中的每一个划分为N + 1个部分; 交织N + 1个低频和高频图像，以产生N + 1个交错图像，并使得低频图像的N + 1部分分布在N + 1个交错图像之间，N个 +1个交错图像，包括低频图像的单个部分; 并且彼此独立地对N + 1个交错图像进行编码，每个交织的图像用相同数量的位进行编码。
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公开(公告)号：US20090225846A1
公开(公告)日：2009-09-10
申请号：US12087349
申请日：2006-12-18
申请人： Edouard Francois , Vincent Bottreau , Patrick Lopez , Jérome Vieron , Ying Chen
发明人： Edouard Francois , Vincent Bottreau , Patrick Lopez , Jérome Vieron , Ying Chen
IPC分类号： H04N7/26
摘要： The invention relates to a method for generating for at least one macroblock of a high resolution image at least one motion predictor from motion data associated to macroblock(s) of a low resolution image. The method comprises the following steps: —defining a virtual structure made up of non overlapping macroblocks, called virtual base layer macroblocks; —identifying for the high resolution macroblock corresponding virtual base layer macroblocks in the virtual image on the basis of the location of the high resolution macroblock within the high resolution image and on the basis of the ratios of low resolution and high resolution images dimensions; —deriving, for each identified virtual base layer macroblocks, motion data from motion data associated to at least one macroblock of a corresponding low resolution macroblocks pair on the basis of the field/frame mode of the corresponding low resolution macroblocks pair and on the basis of the field/frame mode of the high resolution macroblock; —resampling motion data associated to the corresponding virtual base layer macroblocks so as to generate the at least one motion predictor.
摘要翻译： 本发明涉及一种用于从与低分辨率图像的宏块相关联的运动数据生成高分辨率图像至少一个运动预测器的方法。 该方法包括以下步骤： - 定义由非重叠宏块组成的虚拟结构，称为虚拟基本层宏块; - 基于高分辨率图像内的高分辨率宏块的位置，并且基于低分辨率和高分辨率图像尺寸的比率来识别虚拟图像中的高分辨率宏块对应的虚拟基本层宏块; 根据相应的低分辨率宏块对的场/帧模式，根据相应的低分辨率宏块对对应于与相应的低分辨率宏块对的至少一个宏块相关联的运动数据，为每个识别的虚拟基本层宏块提供运动数据，并且基于 高分辨率宏块的场/帧模式; - 与相应的虚拟基本层宏块相关联的取样运动数据，以便生成所述至少一个运动预测器。
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公开(公告)号：US20090067496A1
公开(公告)日：2009-03-12
申请号：US12087558
申请日：2006-12-05
申请人： Chen Ying , Jerome Vieron , Vincent Bottreau , Edouard Francois , Patrick Lopez
发明人： Chen Ying , Jerome Vieron , Vincent Bottreau , Edouard Francois , Patrick Lopez
IPC分类号： H04N7/12
CPC分类号： H04N19/615 , H04N19/105 , H04N19/112 , H04N19/114 , H04N19/124 , H04N19/16 , H04N19/31 , H04N19/573 , H04N19/577
摘要： Often hierarchical bi-directionally predicted frame structures are used for encoding a video picture sequence. The frames may consist of interlacing fields. A method for encoding interlaced video, wherein inter-prediction of fields is used and reference lists are assigned to the fields for indicating reference frames or fields, comprises that, if within such reference list a reference to another frame is included, then references to both fields of the other frame are included separately in direct sequence. Further, a temporal level is assigned to each of the frames according to their display order, and for the frames of all except one temporal level the quantization parameter is higher for one type of fields than for the other type of fields.
摘要翻译： 通常，分层双向预测的帧结构用于编码视频图像序列。 框架可以由交错字段组成。 一种用于对隔行扫描视频进行编码的方法，其中使用字段的帧间预测，并且将参考列表分配给用于指示参考帧或场的字段，包括如果在该参考列表内包括对另一帧的引用，则引用两者 另一帧的字段以直接的顺序分开包含。 此外，根据它们的显示顺序将时间级别分配给每个帧，并且对于除一个时间级别以外的所有帧的量化参数，对于一种类型的场而言，量化参数比对于其他类型的场更高。
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公开(公告)号：US20090041119A1
公开(公告)日：2009-02-12
申请号：US12085329
申请日：2006-10-24
IPC分类号： H04N7/26
CPC分类号： H04N19/107 , H04N19/137 , H04N19/14 , H04N19/149 , H04N19/176 , H04N19/186 , H04N19/196 , H04N19/46 , H04N19/463 , H04N19/61
摘要： The method comprises a coding of a source block according to a coding mode wherein the selection of the coding mode is carried out, for a source block, according to coding error estimations and source block coding cost estimations for the different coding modes tested, the coding error being estimated, for a coding mode, according to the sum of the absolute values of coefficients obtained after a mathematical transformation in the frequency domain of the residue block related to this coding mode and as a function of the sum of absolute values of quantized coefficients corresponding to this coding mode. An application is the decision of the coding mode for data using the MPEG 2 or MPEG4-AVC standard.
摘要翻译： 该方法包括根据编码模式对源块的编码，其中针对源块执行编码模式的选择，根据所测试的不同编码模式的编码误差估计和源块编码成本估计，编码 对于编码模式，根据在与该编码模式相关的残差块的频域中的数学变换之后获得的系数的绝对值的和作为量化系数的绝对值之和的函数的估计误差 对应于该编码模式。 应用是使用MPEG2或MPEG4-AVC标准的数据的编码模式的决定。
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48.发明申请Method and Apparatus for Constructing Reference Picture Lists for Scalable Video 有权用于构建可扩展视频的参考图片列表的方法和装置公开(公告)号：US20090003445A1
公开(公告)日：2009-01-01
申请号：US12087553
申请日：2006-12-05
申请人： Chen Ying , Edouard Francois , Kai Xie
发明人： Chen Ying , Edouard Francois , Kai Xie
CPC分类号： H04N19/573 , H04N19/105 , H04N19/172 , H04N19/31 , H04N19/33 , H04N19/46 , H04N19/70 , H04N19/895
摘要： In video coding, prediction of P- and B-frames is based on reference frames, which are indicated by reference picture lists. Scalable video coding (SVC) requires this for both, base-layer and enhancement-layer. The invention describes a decoding process for reference picture list construction for spatial enhancement layer. With just one flag of syntax modification, it provides simpler and direct reference lists construction process. By using this, complicated RPLR and other syntaxes can be skipped, and the RPLR process for spatial enhancement layer can also be avoided. The process also can be used as for error concealment when the spatial enhancement layer slice is lost.
摘要翻译： 在视频编码中，P-帧和B帧的预测基于参考帧，其由参考图片列表指示。 可扩展视频编码（SVC）需要这两者，基层和增强层。 本发明描述了用于空间增强层的参考图像列表构造的解码过程。 只需一个语法修改的标志，它提供了更简单直接的参考列表构建过程。 通过使用它，可以跳过复杂的RPLR和其他语法，并且还可以避免用于空间增强层的RPLR过程。 该过程也可以用于当空间增强层切片丢失时的错误隐藏。
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49.发明申请Device and method for coding a sequence of images in scalable format and corresponding decoding device and method 审中-公开用于以可缩放格式编码图像序列的装置和方法及相应的解码装置和方法公开(公告)号：US20080260043A1
公开(公告)日：2008-10-23
申请号：US11974734
申请日：2007-10-16
申请人： Vincent Bottreau , Dominique Thoreau , Yannick Olivier , Edouard Francois , Jerome Vieron , Christophe Chevance
发明人： Vincent Bottreau , Dominique Thoreau , Yannick Olivier , Edouard Francois , Jerome Vieron , Christophe Chevance
IPC分类号： H04N7/26
CPC分类号： H04N19/33 , H04N19/105 , H04N19/11 , H04N19/137 , H04N19/176 , H04N19/187 , H04N19/593 , H04N19/61
摘要： The invention relates to a method for coding an image data macroblock of a sequence of images presented in the form of a base layer and at least one enhancement layer. The image data macroblock to which corresponds an image data block in the base layer, called a corresponding block, belongs to the enhancement layer. The method comprises the following steps: generate, for the said image data macroblock, a prediction macroblock of image data from one block or several blocks of image data blocks of the said base layer previously coded and reconstructed, generate a macroblock of residues from the prediction macroblock and from the image data macroblock MBEL of the enhancement layer, and code the said macroblock of residues. According to the invention, the image data blocks of the said base layer are different from the corresponding block.
摘要翻译： 本发明涉及一种用于编码以基层和至少一个增强层形式呈现的图像序列的图像数据宏块的方法。 被称为对应块的基础层中对应于图像数据块的图像数据宏块属于增强层。 该方法包括以下步骤：为所述图像数据宏块生成来自预先编码和重建的所述基本层的一个块或多个图像数据块的图像数据的预测宏块，从预测生成残差宏块 宏块和来自增强层的图像数据宏块MB EL EL，并对所述宏块进行编码。 根据本发明，所述基础层的图像数据块与相应的块不同。
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公开(公告)号：US20080187045A1
公开(公告)日：2008-08-07
申请号：US11665884
申请日：2005-10-11
IPC分类号： H04N7/26
CPC分类号： H04N19/59 , H04N19/593 , H04N19/63
摘要： The picture and coding method comprises the following steps:coding of the lowest resolution picture to provide coded data for a base layer of the coded data flow,zoom of the picture to obtain a low resolution zoomed picture of dimensions of those of the picture for the common video part,coding of to supply coded data to an upper layer of the coded data flow and using at least one of the following modes:predictive inter layer coding using a previous low resolution zoomed picture in which a predicted block and a motion vector defining this block is determined,predictive inter layer coding using a current low resolution zoomed picture in which a predicted block and a motion vector defining this block is determined.
摘要翻译： 图像和编码方法包括以下步骤：对最低分辨率图像进行编码以提供编码数据流的基础层的编码数据，缩放图像以获得图像的尺寸的低分辨率缩放图像 公共视频部分，将编码数据提供给编码数据流的上层并使用以下模式中的至少一个的编码：使用先前的低分辨率缩放图像进行预测层间编码，其中预测块和定义的运动矢量 使用当前低分辨率缩放图像来确定该块，其中确定了预测块和定义该块的运动矢量的预测层间编码。
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