Scalable Video Encoding Using a Hierarchical Epitome
    11.
    发明申请
    Scalable Video Encoding Using a Hierarchical Epitome 有权
    使用分层表现的可扩展视频编码

    公开(公告)号:US20130223529A1

    公开(公告)日:2013-08-29

    申请号:US13881646

    申请日:2011-10-18

    Inventor: Isabelle Amonou

    Abstract: A method and apparatus are provided for encoding an image sequence and outputting a signal having a layered organization with at least a base layer and an enhancement layer. For at least one current image of the sequence, the method includes constructing a hierarchical epitome associated with the enhancement layer corresponding to a maximum resolution level of the current image, using: an epitome associated with the enhancement layer corresponding to the maximum resolution level of the current image; and at least one epitome associated with a preceding layer corresponding to a resolution level lower than the maximum resolution level of the current image.

    Abstract translation: 提供了一种用于编码图像序列并输出具有至少基本层和增强层的分层组织的信号的方法和装置。 对于该序列的至少一个当前图像,该方法包括使用以下方式构建与增强层相关联的对应于当前图像的最大分辨率级别的分层缩略图:使用以下方式的与增强层相关联的缩略图:对应于 当前图像; 以及与对应于低于当前图像的最大分辨率水平的分辨率级别的前一层相关联的至少一个缩影。

    METHODS OF ENCODING AND DECODING AN IMAGE OR A SEQUENCE OF IMAGES, CORRESPONDING DEVICES, COMPUTER PROGRAM AND SIGNAL
    13.
    发明申请
    METHODS OF ENCODING AND DECODING AN IMAGE OR A SEQUENCE OF IMAGES, CORRESPONDING DEVICES, COMPUTER PROGRAM AND SIGNAL 审中-公开
    编码和解码图像或图像序列,相关设备,计算机程序和信号的方法

    公开(公告)号:US20090219988A1

    公开(公告)日:2009-09-03

    申请号:US12159958

    申请日:2006-12-26

    CPC classification number: H04N19/34 H04N19/129 H04N19/61

    Abstract: A method is provided of coding an image or a sequence of images, generating a data stream, each image being split into at least two images blocks, wherein each of which is associated a transformed block comprising a set of coefficients. The coefficients of a transformed block are distributed into group(s) of coefficients according to a predetermined path for reading the transformed blocks. The method includes, for each of the transformed blocks: a step of coding a series of coefficients corresponding to at least one group of coefficients, the series being determined on the basis of a type of series of coefficients that is selected from at least two possible types, and a step of inserting into the data stream a cue representative of the type of series of coefficients that is selected for the image or the sequence of images, or for a portion of the image.

    Abstract translation: 提供了一种对图像或一系列图像进行编码的方法,生成数据流,每个图像被分割成至少两个图像块,其中每个图像块与包括一组系数的变换块相关联。 经变换的块的系数根据用于读取经变换的块的预定路径被分配到一系列系数中。 对于每个变换块,该方法包括对与至少一组系数对应的一系列系数进行编码的步骤,该系列是基于从至少两个可能的选择的系数序列的类型来确定的 类型,以及将表示为图像或图像序列选择的一系列系数的类型或图像的一部分插入到数据流中的步骤。

    Method of processing multimedia content description data sets, and corresponding apparatus
    14.
    发明申请
    Method of processing multimedia content description data sets, and corresponding apparatus 失效
    处理多媒体内容描述数据集的方法及相应装置

    公开(公告)号:US20070186255A1

    公开(公告)日:2007-08-09

    申请号:US10558925

    申请日:2004-05-27

    CPC classification number: H04L65/602 G06F17/2247 H04L29/06027

    Abstract: This method of processing multimedia content description data sets to deliver a plurality of output data sets (141, 142, . . . , 14n) from a single input data set (10), the method being characterized in that it comprises the following steps: allocating priority coefficients (16) to at least some of the description data in the input data set (10); associating priority coefficient thresholds (18) with a predetermined number of output data sets (141, 142, . . . , 14n); and distributing the data to the output data sets (141, 142, . . . , 14n) as a function of the priority coefficients (16) allocated to the elements of the input data set and as a function of the thresholds (18) associated with each of the output data sets.

    Abstract translation: 这种处理多媒体内容描述数据集的方法来传送多个输出数据集(14,14,...,14,...,14) (10),其特征在于包括以下步骤:将优先级系数(16)分配给输入数据集(10)中的至少一些描述数据; 将优先级系数阈值(18)与预定数量的输出数据集(14 1,...,14,...,14 N)相关联, ; 以及作为优先级的函数将数据分配给输出数据集(14 1,...,14,...,14 N n) 分配给输入数据集的元素的系数(16)以及与每个输出数据集相关联的阈值(18)的函数。

    Digital signal huffman coding with division of frequency sub-bands
    15.
    发明授权
    Digital signal huffman coding with division of frequency sub-bands 有权
    数字信号huffman编码,分频频率子带

    公开(公告)号:US06215422B1

    公开(公告)日:2001-04-10

    申请号:US09129913

    申请日:1998-08-06

    Abstract: The invention proposes a digital signal coding method including a step of analysing (E1) the digital signal (IM) into a plurality of frequency sub-band signals distributed according to at least two different frequency bands, at least one first sub-band signal having a lower frequency and at least one second sub-band signal having a higher frequency, characterised in that it includes, for each second sub-band signal, the steps of: dividing (E4) the second sub-band signals into blocks (Bi,n), selecting (E9) blocks to be coded by setting to a predetermined value, according to a selection criterion, coding the blocks selected by setting to the predetermined value.

    Abstract translation: 本发明提出了一种数字信号编码方法,包括以下步骤:(E1)将数字信号(IM)分解为根据至少两个不同频带分配的多个频率子带信号,至少一个第一子带信号具有 具有较高频率的较低频率和至少一个第二子带信号,其特征在于,对于每个第二子带信号,其包括以下步骤:将所述第二子带信号划分成(B, n),根据选择标准,通过设置为预定值来选择(E9)要被编码的块,将通过设置选择的块编码为预定值。

    Data substream de-encapsulation method for plural symmetrical substreams and corresponding computer programs
    16.
    发明授权
    Data substream de-encapsulation method for plural symmetrical substreams and corresponding computer programs 有权
    用于多个对称子流的数据子流解封装方法和相应的计算机程序

    公开(公告)号:US09516331B2

    公开(公告)日:2016-12-06

    申请号:US13503553

    申请日:2010-10-14

    CPC classification number: H04N19/436 H04N19/174 H04N19/70

    Abstract: A method and apparatus are provided for encapsulating a plurality of data substreams encoded in a bit stream, wherein the encoded data substream is obtained by entropy encoding of a symbol subsequence representing an image or a series of images. The method includes grouping data substreams into substream pairs according to an iterative traversal order predetermined from the plurality of substreams, and on the basis of a pair of the substreams, obtaining a symmetrical pair by reversing a data order making up the second substream of the pair. The obtained pairs are then concatenated within a sequence. The binary stream is created by encapsulating the sequence and information related to a number of substreams and related to the sizes of pairs of symmetrical substreams.

    Abstract translation: 提供了一种用于封装编码在比特流中的多个数据子流的方法和装置,其中通过对表示图像或一系列图像的符号子序列进行熵编码来获得编码数据子流。 该方法包括根据从多个子流预定的迭代遍历顺序将数据子流分组成子流对,并且基于一对子流,通过反转构成该对的第二子流的数据顺序来获得对称对 。 所获得的对然后在序列内连接。 通过封装与多个子流相关的序列和信息并与对称子流对的大小相关联来创建二进制流。

    Method of coding and decoding images, corresponding device for coding and decoding and computer program
    17.
    发明授权
    Method of coding and decoding images, corresponding device for coding and decoding and computer program 有权
    图像编码和解码方法,用于编码和解码的相应设备和计算机程序

    公开(公告)号:US09106910B2

    公开(公告)日:2015-08-11

    申请号:US13380632

    申请日:2010-06-21

    Abstract: A method and apparatus are provided for coding a signal from images, the images being split into sub-blocks of pixels. The method includes grouping at least two sub-blocks into at least one block of larger size, when the sub-blocks comply with at least one predetermined grouping criterion. A prediction is performed by applying at least one mode of motion prediction using at least two distinct motion prediction vectors, for at least one block of larger size, the motion prediction vectors being associated respectively with sub-sets of the block of larger size, comprising at least one of the sub-blocks of the block of larger size. The sub-sets are predefined and distinct.

    Abstract translation: 提供了一种用于对来自图像的信号进行编码的方法和装置,所述图像被分割成像素的子块。 该方法包括当子块符合至少一个预定分组标准时,将至少两个子块分组成更大尺寸的至少一个块。 通过使用至少两个不同的运动预测向量对至少一个较大尺寸的块应用至少一种运动预测模式来执行预测,运动预测向量分别与较大尺寸的块的子集相关联,包括 块大小的子块中的至少一个。 子集是预定义和不同的。

    Method for filtering, transmitting and receiving scalable video streams, and corresponding programs, server, intermediate node and terminal
    18.
    发明授权
    Method for filtering, transmitting and receiving scalable video streams, and corresponding programs, server, intermediate node and terminal 有权
    用于过滤,发送和接收可伸缩视频流的方法,以及相应的程序,服务器,中间节点和终端

    公开(公告)号:US08743950B2

    公开(公告)日:2014-06-03

    申请号:US11996196

    申请日:2006-07-18

    Abstract: A method is provided for filtering a scalable video stream, organized in the form of data unit blocks, each of which comprises a base data unit and a set of data units distributed according to two types of enhancement data, corresponding respectively to time and/or space and/or quality characteristics and making it possible to define several quality levels. The method defines at least two distinct filtering profiles, or paths of each block data units, wherein each path defines a row of successive foldover positions and each foldover position uses at least by one less data units than a previous position, and selects one of the paths according to a predetermined criterion, taking into account the type of content of the stream and/or at least one information item representing the capacities of a terminal receiving the stream.

    Abstract translation: 提供了一种用于过滤以数据单元块的形式组织的可伸缩视频流的方法,每个数据单元块包括分别对应于时间和/或时间的两种类型的增强数据的基本数据单元和一组数据单元, 空间和/或质量特征,并且可以定义几个质量水平。 该方法定义了至少两个不同的过滤简档或每个块数据单元的路径,其中每个路径定义一连续的后置位置行,并且每个舍弃位置使用比先前位置少至少一个数据单元,并且选择 考虑到流的内容的类型和/或表示接收流的终端的容量的至少一个信息项的根据预定标准的路径。

    Device and method for scalably encoding and decoding an image data stream, a signal, computer program and an adaptation module for a corresponding image quality
    20.
    发明授权
    Device and method for scalably encoding and decoding an image data stream, a signal, computer program and an adaptation module for a corresponding image quality 有权
    用于可变地编码和解码图像数据流的装置和方法,信号,计算机程序和用于对应图像质量的适配模块

    公开(公告)号:US08315315B2

    公开(公告)日:2012-11-20

    申请号:US11813836

    申请日:2005-12-20

    Abstract: A method is provided for encoding a sequence of images generating a data stream in the form of a structure of embedded data layers of n successive levels each of which corresponds to the predetermined resolution of said images. Said method comprises an encoding stage, which encodes at least one of said layers of an n+1 level by prediction on the basis of said level n layer and encodes each data layer of the level n in the form of a base sub-stream and, optionally, in the form of at least one enhancement sub-stream enabling to obtain at least one version of the enhanced quality of said images. The method also encodes, for at least one data layer of the n level, at least one single sub-stream enabling to reconstruct the version of said images at said level n resolution with a quality higher than said enhanced qualities, wherein said single sub-steam of the level n layer is not used during the prediction encoding of the layers of a level other than the level n.

    Abstract translation: 提供了一种用于编码以n个连续级别的每个相应于所述图像的预定分辨率的嵌入数据层的结构的形式生成数据流的方法。 所述方法包括编码级,其通过基于所述级别n层的预测编码n + 1级的所述层中的至少一个层,并且以基本子流的形式对级别n的每个数据层进行编码, ,可选地,以至少一个增强子流的形式,使得能够获得所述图像的增强质量的至少一个版本。 该方法还对于n级的至少一个数据层编码至少一个单个子流,其能够以高于所述增强质量的质量以所述级别n分辨率重建所述图像的版本,其中所述单个子流 在级别n以外的层次的预测编码期间,不使用层次n层的蒸汽。

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