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    • 2. 发明申请
    • INTER-LAYER MOTION PREDICTION METHOD
    • 层间运动预测方法
    • WO2007077116A1
    • 2007-07-12
    • PCT/EP2006/069852
    • 2006-12-18
    • THOMSON LICENSINGFRANCOIS, EdouardBOTTREAU, VincentLOPEZ, PatrickVIERON, JéromeCHEN, Ying
    • FRANCOIS, EdouardBOTTREAU, VincentLOPEZ, PatrickVIERON, JéromeCHEN, Ying
    • H04N7/26
    • H04N19/57H04N19/16H04N19/187H04N19/31H04N19/33H04N19/52
    • 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.
    • 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; - 基于相应的低分辨率宏块对的场/帧模式,并且基于相应的低分辨率宏块对的场/帧模式,针对每个所识别的虚拟基本层宏块,从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导出运动数据 高分辨率宏块的场/帧模式; - 对与相应的虚拟基本层宏块相关联的运动数据进行重新采样,以便生成所述至少一个运动预测器。
    • 4. 发明申请
    • SIMPLIFIED INTER-LAYER MOTION PREDICTION FOR SCALABLE VIDEO CODING
    • 用于可缩放视频编码的简化的层间运动预测
    • WO2007128706A2
    • 2007-11-15
    • PCT/EP2007/054108
    • 2007-04-26
    • THOMSON LICENSINGFRANCOIS, EdouardBOTTREAU, VincentVIERON, JéromeCHEVANCE, Christophe
    • FRANCOIS, EdouardBOTTREAU, VincentVIERON, JéromeCHEVANCE, Christophe
    • H04N7/26
    • H04N19/33H04N19/61H04N19/70
    • The invention relates to a method for determining for a high layer macroblock that uses inter-layer prediction a partitioning of the macroblock in partitions. It comprises the following steps: - 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 PartInfo value; and - determining a partitioning of the high layer macroblock in macroblock partitions by comparing between them the PartInfo values associated with each of the high layer blocks.
    • 本发明涉及一种用于确定高层宏块的方法,该高层宏块使用层间预测来分割宏块中的分区。 它包括以下步骤: - 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; - 对于每个参考像素,识别对应的基本层像素所属的基本层宏块,相应的基本层像素属于所识别的基本宏块中的基本层分区,对应的基本层子分区 如果子分区存在,则基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PartInfo值的单个值; 以及 - 通过在它们之间比较与每个所述高层块相关联的PartInfo值来确定宏块分区中的高层宏块的划分。
    • 6. 发明申请
    • METHOD FOR DERIVING MOTION DATA FOR HIGH RESOLUTION PICTURES FROM MOTION DATA OF LOW RESOLUTON PICTURES AND CODING AND DECODING DEVICES IMPLEMENTING SAID METHOD
    • 用于从低分辨率图片的运动数据导出高分辨率图片的运动数据以及对设备进行编码和解码的方法实施所述方法
    • WO2008006728A2
    • 2008-01-17
    • PCT/EP2007/056640
    • 2007-07-02
    • THOMSON LICENSINGFRANCOIS, EdouardBOTTREAU, VincentVIERON, JéromeCHEVANCE, Christophe
    • FRANCOIS, EdouardBOTTREAU, VincentVIERON, JéromeCHEVANCE, Christophe
    • H04N19/59H04N19/112H04N19/16H04N19/33H04N19/517
    • The invention relates to a method for deriving motion data for a macroblock of a high resolution picture, called high layer macroblock, from motion data of macroblocks of a low resolution picture, called base layer macroblock. The method comprises the following steps: - dividing (2100) the high layer macroblock in elementary blocks; - computing (2200), for each elementary block, an intermediate position within the low resolution picture from the elementary block position depending on the coding modes of the high layer macroblock and of the high and low resolution pictures; - identifying (2300) the base layer macroblock, called base_ MB, comprising the pixel located at the intermediate position; - computing (2400) a final position within the low resolution picture from the virtual base layer position depending on the coding modes of the base_ MB, of the high layer macroblock and of the high and low resolution pictures; - identifying (2500) the base layer macroblock, called real_ base_ MB, comprising the pixel located at the final position; and deriving (2600) motion data, for the high layer macroblock, from motion data of the identified real_ base_ MB.
    • 本发明涉及一种用于从被称为基本层宏块的低分辨率图片的宏块的运动数据导出称为高层宏块的高分辨率图片的宏块的运动数据的方法。 该方法包括以下步骤: - 以基本块划分(2100)高层宏块; - 根据高层宏块以及高分辨率图像和低分辨率图像的编码模式,针对每个基本块计算(2200)来自基本块位置的低分辨率图片内的中间位置; - 识别(2300)包括位于中间位置的像素的称为base_MB的基层宏块; - 根据所述base_MB,所述高层宏块以及所述高分辨率图片和所述低分辨率图片的编码模式,从所述虚拟基础层位置计算(2400)所述低分辨率图片内的最终位置; - 识别(2500)称为real_base_MB的基础层宏块,其包括位于最终位置的像素; 以及从所识别的real_base_MB的运动数据导出(2600)高层宏块的运动数据。
    • 9. 发明申请
    • METHOD FOR MULTI-VIEW CODING AND CORRESPONDING DECODING METHOD
    • 多视图编码和相关解码方法
    • WO2011042440A1
    • 2011-04-14
    • PCT/EP2010/064837
    • 2010-10-05
    • THOMSON LICENSINGBOTTREAU, VincentKERBIRIOU, PaulBOISSON, GuillaumeLOPEZ, PatrickTOUZE, DavidOLIVIER, Yannick
    • BOTTREAU, VincentKERBIRIOU, PaulBOISSON, GuillaumeLOPEZ, PatrickTOUZE, DavidOLIVIER, Yannick
    • H04N7/26
    • H04N19/30H04N19/105
    • The invention relates to a multi-view coding method for a sequence of images presented in the form of a first view and at least one additional view. The method comprises the following steps for: coding (10) the images of the first view into a stream of coded data, and coding (12, 14, 16), in the stream of coded data, the images of the additional view from prediction data. The coding (12, 14, 16) of a current block of an image of the additional view known as the current image, comprises the following steps for: determining (12), according to a scalable SVC prediction mode, prediction data for the current block from corresponding data associated with at least one reference block of an image of the first view, known as the reference image, non co-located, coding (14) the current block from prediction data, coding (16) for the current block data indicating the position of the reference block with respect to the block of the reference image co-located to the current block.
    • 本发明涉及一种用于以第一视图和至少一个附加视图形式呈现的图像序列的多视图编码方法。 该方法包括以下步骤:将第一视图的图像(10)编码成编码数据流,并在编码数据流中对来自预测的附加视图的图像进行编码(12,14,16) 数据。 被称为当前图像的附加视图的当前图像块的编码(12,14,16)包括以下步骤:根据可伸缩SVC预测模式确定(12)当前图像的预测数据 与来自与第一视图的图像的至少一个参考块相关联的对应数据(称为参考图像)非共同定位,从预测数据编码(14)当前块,对当前块数据进行编码(16) 指示参考块相对于与当前块同位的参考图像的块的位置。
    • 10. 发明申请
    • METHOD AND DEVICE FOR CODING A SEQUENCE OF PICTURES
    • 用于编码图像序列的方法和装置
    • WO2009132896A1
    • 2009-11-05
    • PCT/EP2009/053321
    • 2009-03-20
    • THOMSON LICENSINGBOTTREAU, VincentBURELLER, OlivierCHEVANCE, ChristopheVIELLARD, ThierryGUILLOTEL, Philippe
    • BOTTREAU, VincentBURELLER, OlivierCHEVANCE, ChristopheVIELLARD, ThierryGUILLOTEL, Philippe
    • H04N7/26H04N7/50
    • H04N19/59H04N19/17H04N19/33
    • The invention relates to a method for coding a sequence of pictures in the form of a scalable stream comprising a base layer and an enhancement layer. The method comprises the following steps: determine (E101, E102) in each picture of the sequence, called first sequence of pictures, a cropping window (W1); subsample (E103), for each picture of the first sequence, the picture part delimited by the cropping window (W1) in such a manner as to construct a second sequence of pictures, and code (E12, E14, E16) the second sequence of pictures as base layer of the scalable stream and the first sequence of pictures as enhancement layer of the scalable stream. According to the invention, the cropping window (W1) is determined in a picture of the first sequence according to the following steps: determine (E101), in the picture, a first cropping window (WO), and determine (E102) a second cropping window surrounding the first cropping window (WO) such that the second cropping window is compliant with at least one predefined constraint imposed by the coding step (E12, E14, E16), the cropping window (W1) of the picture being the second cropping window.
    • 本发明涉及一种用于以包括基本层和增强层的可伸缩流的形式对图像序列进行编码的方法。 该方法包括以下步骤:确定序列的每个图像中的(E101,E102),称为第一序列图像,裁剪窗口(W1); 对于第一序列的每个图像,子样本(E103),以构图第二序列图案的方式由裁剪窗口(W1)限定的图像部分,以及代码(E12,E14,E16),第二序列 图像作为可缩放流的基础层和作为可扩展流的增强层的图像的第一序列。 根据本发明,根据以下步骤在第一序列的图片中确定裁剪窗口(W1):在图片中确定(E101)第一裁剪窗口(WO),并且确定(E102)第二裁剪窗口 围绕第一裁剪窗口(WO)的裁剪窗口,使得第二裁剪窗口符合由编码步骤(E12,E14,E16)施加的至少一个预定义约束,图像的裁剪窗口(W1)是第二裁剪 窗口。