公开(公告)号：US08090017B2

公开(公告)日：2012-01-03

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。

公开(公告)号：US20110170599A1

公开(公告)日：2011-07-14

申请号：US12736613

申请日：2009-04-23

申请人： Edouard Francois ,  Olivier Le Meur ,  Jerome Vieron

发明人： Edouard Francois ,  Olivier Le Meur ,  Jerome Vieron

IPC分类号： H04N7/26

CPC分类号： H04N19/00024 ,  H04N19/105 ,  H04N19/136 ,  H04N19/17 ,  H04N19/23 ,  H04N19/577 ,  H04N19/61

摘要： A method for coding a picture portion of a picture of a video sequence is disclosed, at least one picture of the video sequence being a key picture. The method comprises the following steps: a) calculate a saliency map of the key picture, b) estimate for the picture portion to be coded, at least one motion vector pointing towards a portion of the key picture, c) motion compensate at least one portion of the saliency map using an estimated motion vector to obtain, for said picture portion, at least one portion of the predicted saliency map, and d) code the picture portion according to the saliency level of the portion of the predicted saliency map. The invention also relates to a method for decoding a binary stream, a coder able to code pictures of a video sequence and a decoder of a binary stream.

摘要翻译： 公开了一种用于对视频序列的图像的图像部分进行编码的方法，所述视频序列的至少一个图像是关键图像。 该方法包括以下步骤：a）计算关键图像的显着图，b）估计要编码的图像部分，至少一个指向关键图像的一部分的运动矢量，c）运动补偿至少一个 显影图的部分使用估计的运动矢量，以便为所述图像部分获得预测显着图的至少一部分，以及d）根据预测显着图的部分的显着性级别对图像部分进行编码。 本发明还涉及一种用于对二进制流进行解码的方法，能够对二进制流的视频序列的图像和解码器进行编码的编码器。

公开(公告)号：US20090028245A1

公开(公告)日：2009-01-29

申请号：US11884558

申请日：2006-02-14

申请人： Jerome Vieron ,  Edouard Francois ,  Gwenaelle Marquant ,  Nicolas Burdin ,  Patrick Lopez ,  Guillaume Boisson

发明人： Jerome Vieron ,  Edouard Francois ,  Gwenaelle Marquant ,  Nicolas Burdin ,  Patrick Lopez ,  Guillaume Boisson

IPC分类号： H04N7/26

CPC分类号： H04N19/59 ,  H04N19/103 ,  H04N19/105 ,  H04N19/109 ,  H04N19/119 ,  H04N19/157 ,  H04N19/176 ,  H04N19/187 ,  H04N19/30 ,  H04N19/33 ,  H04N19/40 ,  H04N19/51 ,  H04N19/513 ,  H04N19/57 ,  H04N19/593 ,  H04N19/61

摘要： The invention relates to spatially scalable encoding and decoding processes using a method for deriving coding information. More particularly, it relates to a method for deriving coding information for high resolution pictures from the coding information of low resolution pictures. The method mainly comprises the following steps: Computing geometrical parameters characterizing the position of said high layer macroblock relatively to the corresponding base layer macroblocks and deriving from these parameters a macroblock class; Deriving a partition and possibly sub-partitions for each partition of said high layer macroblock from corresponding base layer macroblocks partition and sub-partitions on the basis of the geometrical parameters and HL MB class; and Deriving motion information for said high layer macroblock from motion information of corresponding base layer macroblocks.

摘要翻译： 本发明涉及使用用于导出编码信息的方法的空间可缩放编码和解码过程。 更具体地，涉及从低分辨率图像的编码信息中导出用于高分辨率图像的编码信息的方法。 该方法主要包括以下步骤：计算表征所述高层宏块相对于相应基层宏块的位置的几何参数，并从这些参数中得出宏块类; 基于几何参数和HL MB类，从对应的基本层宏块分区和子分区导出所述高层宏块的每个分区的分区和可能的子分区; 以及从对应的基本宏块的运动信息中提取所述高层宏块的运动信息。

公开(公告)号：US20080267291A1

公开(公告)日：2008-10-30

申请号：US11884493

申请日：2006-02-13

申请人： Jerome Vieron ,  Edouard Francois ,  Gwenaelle Marquant ,  Nicolas Burdin ,  Patrick Lopez ,  Guillaume Boisson

发明人： Jerome Vieron ,  Edouard Francois ,  Gwenaelle Marquant ,  Nicolas Burdin ,  Patrick Lopez ,  Guillaume Boisson

IPC分类号： H04N7/32 ,  H04N7/26

CPC分类号： H04N19/198 ,  H04N19/105 ,  H04N19/107 ,  H04N19/139 ,  H04N19/159 ,  H04N19/176 ,  H04N19/187 ,  H04N19/196 ,  H04N19/30 ,  H04N19/33 ,  H04N19/513 ,  H04N19/59 ,  H04N19/593 ,  H04N19/61

摘要： The invention relates to spatially scalable encoding and decoding processes using a method for deriving coding information. More particularly, it relates to a method for deriving coding information used to encode high resolution images from coding information used to encode low resolution images when the ratio between high resolution and low resolution images dimensions is a multiple of 3/2. The method mainly comprises the following steps: deriving a block coding mode for each 8×8 blocks of a prediction macroblock MBi_pred from the macroblock coding mode of the associated base layer macroblocks on the basis of the macroblock class of MBi and an the basis of the position of the 8×8 block within MBi_pred; deriving a macroblock coding mode for MBi_pred from the coding modes of the associated base layer macroblocks; and deriving motion information for each macroblock MBi_pred from the motion information of the associated base layer macroblocks.

摘要翻译： 本发明涉及使用用于导出编码信息的方法的空间可缩放编码和解码过程。 更具体地说，本发明涉及当高分辨率和低分辨率图像尺寸之比为3/2的倍数时，用于从用于编码低分辨率图像的编码信息中获取用于编码高分辨率图像的编码信息的方法。 该方法主要包括以下步骤：基于MBi的宏块类别，从相关联的基层宏块的宏块编码模式中得出预测宏块MBi_pred的每个8×8块的块编码模式，以及基于MBi的宏块类型 MBi_pred内的8x8块; 从相关联的基本宏块的编码模式中导出用于MBi_pred的宏块编码模式; 以及从相关联的基本宏块的运动信息中导出每个宏块MBi_pred的运动信息。

公开(公告)号：US08175153B2

公开(公告)日：2012-05-08

申请号：US10590307

申请日：2005-02-21

申请人： Edouard Francois ,  Guillaume Boisson ,  Jérôme Vieron ,  Philippe Robert ,  Gwenaelle Marquant

发明人： Edouard Francois ,  Guillaume Boisson ,  Jérôme Vieron ,  Philippe Robert ,  Gwenaelle Marquant

IPC分类号： H04N7/12

CPC分类号： H04N19/615 ,  H04N19/107 ,  H04N19/124 ,  H04N19/13 ,  H04N19/1883 ,  H04N19/61 ,  H04N19/63 ,  H04N19/647

摘要： The method realizes a motion compensated temporal filtering (MCTF), the temporal filtering being replaced by an intra mode coding to obtain at least one low (L) or high (H) frequency picture if the current picture has a level of correlation with a lower previous picture at a threshold, the low frequency pictures obtained (L) being thus scaled to be adapted, at the energy level, to the pictures obtained by motion compensated temporal filtering, and comprises, at the end of analysis: a selection of the pictures obtained by intra coding of a picture of a low decomposition level with the additional condition, for the high frequency pictures, that this picture is derived itself from an intra coding. a calibration of the picture selected by carrying out at least one reverse step of the scaling step. The applications relate to video compression with temporal prediction.

摘要翻译： 该方法实现运动补偿时间滤波（MCTF），如果当前图像具有与较低的（L）或高（H）频率图像的相关水平，则时间滤波被帧内模式编码替代以获得至少一个低（L）或高（H） 所获得的低频图像（L）因此被缩放以在能量水平上适应于通过运动补偿时间滤波获得的图像，并且包括在分析结束时：选择图像 通过附加条件对低分辨率级别的图像进行帧内编码而获得的高频图像，该图像是从帧内编码本身导出的。 通过执行缩放步骤的至少一个反向步骤来校准所选择的图像。 该应用涉及到具有时间预测的视频压缩。

公开(公告)号：US07801218B2

公开(公告)日：2010-09-21

申请号：US11170574

申请日：2005-06-29

申请人： Yannick Olivier ,  Edouard Francois ,  Franck Hiron

发明人： Yannick Olivier ,  Edouard Francois ,  Franck Hiron

IPC分类号： H04N7/12 ,  H04N5/14

CPC分类号： H04N19/61 ,  H04N19/107 ,  H04N19/112 ,  H04N19/139 ,  H04N19/176 ,  H04N19/194 ,  H04N19/53 ,  H04N19/537 ,  H04N19/85

摘要： The method is characterized in that the pre-analysis phase performs correlation level calculations of the even and odd field blocks of the current picture with the even and odd blocks of the current picture with the even and odd field blocks of the reference picture based on motion vectors calculated during this phase and corresponding to the blocks to impose, during the coding mode decision stage and among the inter coding modes, the inter coding between fields of the same parity or of opposing parity or the inter coding between frames, according to the correlation levels.

摘要翻译： 该方法的特征在于，预分析阶段使用当前图像的偶数和奇数块，利用基于运动的参考图像的偶数和奇数场块来执行当前图像的偶数和奇数场块的相关电平计算 在该阶段期间计算的矢量对应于在编码模式判定阶段期间和在帧间编码模式中，根据相关性在相同奇偶校验或相对奇偶校验的场之间或帧之间的帧间编码之间进行帧间编码的块 水平。

公开(公告)号：US10075707B2

公开(公告)日：2018-09-11

申请号：US14003789

申请日：2012-03-08

申请人： Guillaume Laroche ,  Edouard Francois ,  Patrice Onno

发明人： Guillaume Laroche ,  Edouard Francois ,  Patrice Onno

IPC分类号： H04N19/51 ,  H04N19/52 ,  H04N19/139 ,  H04N19/513 ,  H04N19/43

CPC分类号： H04N19/50 ,  H04N19/139 ,  H04N19/43 ,  H04N19/51 ,  H04N19/513 ,  H04N19/52

摘要： Motion vectors of a first reference frame are permitted to point to a plurality of further reference frames. A method of storing the motion vectors comprises, when a block of the first reference frame has two motion vectors initially, selecting one of the two motion vectors, the non-selected motion vector not being stored. The selected motion vector may be scaled. This can reduce the motion vector memory size.

公开(公告)号：US09930332B2

公开(公告)日：2018-03-27

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 ,  H04N19/159 ,  H04N19/176 ,  H04N19/46 ,  H04N19/196 ,  H04N19/593 ,  H04N19/463 ,  H04N19/52

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 neighboring 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.

公开(公告)号：US09167266B2

公开(公告)日：2015-10-20

申请号：US12309159

申请日：2007-07-02

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

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

IPC分类号： H04N7/26 ,  H04N19/59 ,  H04N19/112 ,  H04N19/16 ,  H04N19/33 ,  H04N19/517

CPC分类号： H04N19/59 ,  H04N19/112 ,  H04N19/16 ,  H04N19/33 ,  H04N19/517

摘要： The invention relates to a method for deriving motion data for a macroblock divided in elementary blocks 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: computing, 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 the base layer macroblock, called base_MB, comprising the pixel located at the intermediate position; computing 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; identifying the base layer macroblock, called real_base_MB, comprising the pixel located at the final position; and deriving motion data, for the high layer macroblock, from motion data of the identified real_base_MB.

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

CPC分类号： H04N19/615 ,  H04N19/13 ,  H04N19/31 ,  H04N19/34 ,  H04N19/61 ,  H04N19/63

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。