公开(公告)号：US09031332B2

公开(公告)日：2015-05-12

申请号：US10912833

申请日：2004-08-06

申请人： Dominique Thoreau ,  Philippe Guillotel ,  Philippe Bordes ,  Edouard Francois

发明人： Dominique Thoreau ,  Philippe Guillotel ,  Philippe Bordes ,  Edouard Francois

IPC分类号： G06K9/36 ,  H04N19/34 ,  H04N19/176 ,  H04N19/115 ,  H04N19/154

CPC分类号： H04N19/34 ,  H04N19/115 ,  H04N19/154 ,  H04N19/176

摘要： The present invention relates to a device for compressing a source image by means of a base layer, coding a base image, and of an enhancement layer, coding a residual existing between the source image and the base image, the source image and the base image being structured as blocks of pixels. According to the invention, such a device is characterized in that it comprises means for generating the enhancement layer of a block as a function of the quality of restitution of this block, determined by comparing the coding of this block in the source image with the coding of this block in the base image, and/or as a function of information coded by this block of pixels.

摘要翻译： 本发明涉及一种用于通过基本层压缩源图像，对基本图像进行编码的设备以及对源图像和基本图像之间存在的残差，源图像和基本图像进行编码的增强层 被构造为像素块。 根据本发明，这样一种装置的特征在于，它包括用于通过将源图像中的该块的编码与编码的比较确定的块来生成块的增强层作为该块的恢复质量的函数的装置 和/或作为由该像素块编码的信息的函数。

公开(公告)号：US20150010054A1

公开(公告)日：2015-01-08

申请号：US14344315

申请日：2012-09-12

申请人： Edouard Francois ,  Guillaume Laroche ,  Patrice Onno

发明人： Edouard Francois ,  Guillaume Laroche ,  Patrice Onno

IPC分类号： H04N19/105 ,  H04N19/176 ,  H04N19/51 ,  H04N19/159

CPC分类号： H04N19/105 ,  H04N19/159 ,  H04N19/176 ,  H04N19/196 ,  H04N19/46 ,  H04N19/463 ,  H04N19/52 ,  H04N19/593

摘要： Reference prediction mode values, also referred to as most probable modes, usable for encoding or decoding of a prediction mode related to a current coding unit, are derived. First and second reference prediction mode values are derived (S402) from respective prediction modes of at least two neighbouring coding units of the current coding unit. The first and second reference prediction modes are different. A third reference prediction mode value is derived (S403) from the first and second reference prediction mode values. The third reference prediction mode is different from each of said first and second reference prediction mode values.By deriving three MPMs instead of two for comparison with the prediction mode of the current coding block the coding efficiency is improved. This is due to the increase in the probability that the prediction mode of the current coding block corresponds to one of the derived most probable modes.

摘要翻译： 导出可用于编码或解码与当前编码单元相关的预测模式的参考预测模式值，也称为最可能模式。 从当前编码单元的至少两个相邻编码单元的各个预测模式导出第一和第二参考预测模式值（S402）。 第一和第二参考预测模式是不同的。 从第一和第二参考预测模式值导出第三参考预测模式值（S403）。 第三参考预测模式与所述第一和第二参考预测模式值中的每一个不同。 通过导出三个MPM而不是两个用于与当前编码块的预测模式进行比较，编码效率得到改善。 这是由于当前编码块的预测模式对应于所导出的最可能模式之一的概率的增加。

公开(公告)号：US08837587B2

公开(公告)日：2014-09-16

申请号：US13379184

申请日：2010-06-16

申请人： Aurelie Martin ,  Dominique Thoreau ,  Edouard Francois ,  Jerome Vieron ,  Fabien Racape ,  Christine Guillemot ,  Jean-Jacques Fuchs

发明人： Aurelie Martin ,  Dominique Thoreau ,  Edouard Francois ,  Jerome Vieron ,  Fabien Racape ,  Christine Guillemot ,  Jean-Jacques Fuchs

IPC分类号： H04N7/32 ,  H04N19/61

CPC分类号： H04N7/50 ,  H04N19/48 ,  H04N19/593 ,  H04N19/61 ,  H04N19/97

摘要： The process comprising splitting of an image into blocks, intra coding of a current block using spatial prediction based on a matching pursuit algorithm selecting, from a dictionary of atoms, the atom the most correlated with a causal neighborhood of the current block, is characterized in that it performs the following steps: — determination of the two dimensional shift between the causal neighborhood and the selected atom, — generation of at least, a new phased atom taking into account the values of the two dimensional spatial shift, — use of this new atom for intra prediction, according to the matching pursuit algorithm, if better correlated than the selected one. Application to video data compression.

摘要翻译： 该过程包括将图像分割为块，使用基于匹配追踪算法的空间预测的当前块的帧内编码，从原子字典中选择与当前块的因果关系最相关的原子，其特征在于 它执行以下步骤： - 确定因果邻域和所选择的原子之间的二维移动， - 考虑到二维空间位移的值，至少产生一个新的相位原子， - 使用这个新的 原子用于帧内预测，​​根据匹配追踪算法，如果与所选择的相关性更好。 应用于视频数据压缩。

公开(公告)号：US08611412B2

公开(公告)日：2013-12-17

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

IPC分类号： H04N7/26 ,  H04N7/68 ,  H04N7/36

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。

公开(公告)号：US20130243336A1

公开(公告)日：2013-09-19

申请号：US13615314

申请日：2012-09-13

申请人： Dominique Thoreau ,  Edouard Francois ,  Jerome Vieron

发明人： Dominique Thoreau ,  Edouard Francois ,  Jerome Vieron

IPC分类号： G06T9/00

CPC分类号： G06T9/00 ,  H04N19/52 ,  H04N19/523 ,  H04N19/615

摘要： A method for coding a block of pixels is described. The coding method comprises: determining a prediction block for the pixel block from a motion vector; calculating a residue between the pixel block and the prediction block; and code the residue. The determination of the prediction block comprises the following steps: determining an intermediate prediction block of size strictly greater than the size of the pixel block; transforming the intermediate prediction block into a first block transformed with a first transform; and transforming the first transformed block into a second block transformed with a second transform of inverse the first transform whose basis functions are shifted by at least a part of each component of the motion vector, the prediction block being extracted from the second transformed block.

摘要翻译： 描述用于对像素块进行编码的方法。 编码方法包括：从运动矢量确定像素块的预测块; 计算像素块和预测块之间的残差; 并对残留物进行编码。 预测块的确定包括以下步骤：确定严格大于像素块大小的大小的中间预测块; 将所述中间预测块变换为用第一变换变换的第一块; 以及将所述第一变换块变换为第二变换，其中所述第二变换与所述第一变换相反，所述第一变换的基函数被所述运动矢量的每个分量的至少一部分移位，所述预测块从所述第二变换块中提取。

公开(公告)号：US08520960B2

公开(公告)日：2013-08-27

申请号：US12804891

申请日：2010-07-30

申请人： Edouard Francois ,  Dominique Thoreau ,  Jerome Vieron ,  Philipe Bordes

发明人： Edouard Francois ,  Dominique Thoreau ,  Jerome Vieron ,  Philipe Bordes

IPC分类号： G06K9/36 ,  G06K9/46

CPC分类号： H04N19/85 ,  H04N19/129 ,  H04N19/14 ,  H04N19/176 ,  H04N19/182 ,  H04N19/60

摘要： A method for decoding a stream of coded data representative of a sequence of images divided into blocks is described. It comprises the following steps for a current block: reconstructing a residual block of residual data from the decoding of a first part of the coded stream of data relating to the current block, determining a prediction block, and reconstructing the current block by merging the residual block and the prediction block, According to the invention, the decoding method comprises in addition a step of reorganization of residual data in the residual block before the reconstruction of the current block according to the content of the prediction block.The invention also relates to a method for coding.

摘要翻译： 描述用于解码代表被划分成块的图像序列的编码数据流的方法。 它包括对当前块的以下步骤：从与当前块相关的编码数据流的第一部分的解码中重建残余数据的残留块，确定预测块，并通过合并残差来重构当前块 块和预测块，根据本发明，解码方法还包括根据预测块的内容重构当前块之前的残差块中的残差数据的重组步骤。 本发明还涉及一种用于编码的方法。

公开(公告)号：US20130208807A1

公开(公告)日：2013-08-15

申请号：US13704599

申请日：2011-06-07

申请人： Dominique Thoreau ,  Jerome Vieron ,  Edouard Francois ,  Fabien Racape

发明人： Dominique Thoreau ,  Jerome Vieron ,  Edouard Francois ,  Fabien Racape

IPC分类号： H04N7/26

CPC分类号： H04N19/61 ,  H04N19/20 ,  H04N19/27

摘要： A method for decoding a video picture comprising coded structured regions and textured regions is disclosed. A reference texture patch is constituted of a part or of blocks of the structured region found around the textured region and the pixels of the textured region are synthesized sequentially according to a spiral type scanning around the textured region, the causal area being found inside the reference texture patch at least for the first round of synthesis.

摘要翻译： 公开了一种用于解码包括编码结构区域和纹理区域的视频图像的方法。 参考纹理贴片由纹理化区域周围的结构区域的一部分或多个块构成，纹理区域的像素根据纹理区域周围的螺旋型扫描顺序地合成，因果区域在参考文献 纹理补丁至少为第一轮合成。

公开(公告)号：US20120269263A1

公开(公告)日：2012-10-25

申请号：US13509813

申请日：2010-11-08

申请人： Philippe Bordes ,  Dominique Thoreau ,  Jerome Vieron ,  Edouard Francois

发明人： Philippe Bordes ,  Dominique Thoreau ,  Jerome Vieron ,  Edouard Francois

IPC分类号： H04N7/50 ,  H04N7/26

CPC分类号： H04N19/157 ,  H04N19/105 ,  H04N19/122 ,  H04N19/124 ,  H04N19/129 ,  H04N19/176 ,  H04N19/593 ,  H04N19/61

摘要： A method for coding a current block of an image is disclosed that comprises: determining, for the current block, current coding parameters, determining, for at least one neighbouring block of the current block previously coded and reconstructed, a neighbouring residual block from current coding parameters, and coding the current block with the current coding parameters according to the neighbouring residual block.

摘要翻译： 公开了一种对图像的当前块进行编码的方法，包括：针对当前块确定当前编码参数，针对先前编码和重建的当前块的至少一个相邻块，确定来自当前编码的相邻残余块 参数，并根据相邻的残留块用当前编码参数对当前块进行编码。

公开(公告)号：US08275037B2

公开(公告)日：2012-09-25

申请号：US12227046

申请日：2007-04-26

申请人： Edouard Francois ,  Vincent Bottreau ,  Jérome Vieron ,  Christophe Chevance

发明人： Edouard Francois ,  Vincent Bottreau ,  Jérome Vieron ,  Christophe Chevance

IPC分类号： H04N7/12

CPC分类号： H04N19/33 ,  H04N19/61 ,  H04N19/70

摘要： Methods for determining for high layer macroblocks that use inter-layer prediction, a partitioning of the macroblock. The methods include dividing the high layer macroblock in non-overlapping high layer blocks of a predefined size; determining a corresponding base layer pixel for one pixel, called reference pixel, of each high layer block; identifying, for each reference pixel, a base layer macroblock to which the corresponding base layer pixel belongs, a base layer partition to which the corresponding base layer pixel belongs in the identified base layer macroblock, a base layer sub-partition to which the corresponding base layer pixel belongs in the identified base layer partition if the sub-partition exists; deriving, for each of the high layer block, a single value, called Partlnfo value; and determining a partitioning of the high layer macroblock in macroblock partitions by comparing between them the Partlnfo values associated with each of the high layer blocks.

摘要翻译： 用于确定使用层间预测的高层宏块的方法，宏块的划分。 所述方法包括在预定义大小的非重叠高层块中划分高层宏块; 确定每个高层块的一个像素（称为参考像素）的相应基本层像素; 为每个参考像素识别对应的基本层像素所属的基本层宏块，相应的基本层像素所属的基本层分区在所识别的基础层宏块中;基础层子分区，其中对应的基础 如果子分区存在，则层像素属于所识别的基层分区; 为每个高层块导出一个称为Partlnfo值的单个值; 以及通过在它们之间比较与高层块中的每一个相关联的Partlnfo值来确定宏块分区中的高层宏块的划分。

公开(公告)号：US20120207217A1

公开(公告)日：2012-08-16

申请号：US12998921

申请日：2009-12-18

申请人： Edouard Francois ,  Dominique Thoreau ,  Jerome Vieron ,  Aurelie Martin

发明人： Edouard Francois ,  Dominique Thoreau ,  Jerome Vieron ,  Aurelie Martin

IPC分类号： H04N7/36

CPC分类号： H04N19/577 ,  H04N19/107 ,  H04N19/139 ,  H04N19/172 ,  H04N19/176 ,  H04N19/517 ,  H04N19/523 ,  H04N19/527

摘要： A method for video coding of at least one digital picture sequence is disclosed. The pictures of said sequence can be intermediary pictures or key pictures used as references for the coding by motion compensation of intermediary pictures. The intermediary pictures are coded per area based on a global motion compensation GMC in the forward and backward direction from key pictures, the areas of the intermediary picture being constituted either by merging of global motion compensated key picture areas, or by conventional coding, the choice between merging and conventional coding being made according to the result of a measurement of coherency between the signals of global motion compensated key picture areas. A video coding device and a video decoding device are also disclosed.

摘要翻译： 公开了一种用于至少一个数字图像序列的视频编码的方法。 所述序列的图片可以是中间图片或用作通过中间图片的运动补偿编码的参考的关键图片。 基于来自关键图像的向前和向后方向上的全局运动补偿GMC，每个区域对中间图像进行编码，中间图像的区域通过合并全局运动补偿关键图像区域或通过常规编码，选择 根据全局运动补偿关键图像区域的信号之间的一致性的测量结果进行合并和常规编码之间的关系。 还公开了视频编码装置和视频解码装置。