Device and method for scalable encoding and decoding of image data flow and corresponding signal and computer program
    3.
    发明授权
    Device and method for scalable encoding and decoding of image data flow and corresponding signal and computer program 有权
    用于图像数据流的可扩展编码和解码的设备和方法以及相应的信号和计算机程序

    公开(公告)号:US08422805B2

    公开(公告)日:2013-04-16

    申请号:US12373286

    申请日:2007-07-06

    IPC分类号: G06K9/36

    CPC分类号: H04N21/234327 H04N21/2662

    摘要: A method of coding an image or a sequence of images generating a flow of data in the form of groups of blocks, at least one group of blocks containing image blocks having a resolution and a quality level of identical quantification, the method including the following steps for the at least one group of blocks, of a) a first coding so that each block of the at least one group of blocks has at least one associated parameter that is given a first value, and b) a second coding for giving the associated parameter for at least one block of the at least one group of blocks a second value, so that for the at least one block, the first and second values given for the parameter can be combined during decoding to provide a value assigned to the parameter.

    摘要翻译: 一种编码图像或一系列图像的方法,所述图像或图像序列以块组的形式生成数据流,至少一组包含具有相同量化的分辨率和质量水平的图像块的块,所述方法包括以下步骤 对于所述至少一组块,a)第一编码,使得所述至少一组块的每个块具有给定第一值的至少一个相关联的参数,以及b)用于给出相关联的块的第二编码 所述至少一组块的至少一个块的参数为第二值,使得对于所述至少一个块,在解码期间可以组合为参数给出的第一值和第二值,以提供分配给该参数的值。

    Encoding and decoding an image or image sequence divided into pixel blocks
    4.
    发明授权
    Encoding and decoding an image or image sequence divided into pixel blocks 有权
    对分成像素块的图像或图像序列进行编码和解码

    公开(公告)号:US08787685B2

    公开(公告)日:2014-07-22

    申请号:US12918963

    申请日:2009-02-20

    IPC分类号: G06K9/36 G06K9/46

    摘要: A method and apparatus are provided for coding an image or a sequence of images, generating a data stream including data representative of pixel groups, referred to as blocks, in one of the images. The method includes: grouping blocks in a cluster of blocks according to the proximity of their respective values corresponding to at least one block parameter to be coded; determining a value of the parameter, the value being characteristic of said group of blocks; coding blocks of the cluster, where the values of the blocks for the parameter are coded implicitly by inheritance of the characteristic value or are coded as refinements relative to the characteristic value, and coding a data structure associated with the cluster of blocks, the data structure including data associated with the characteristic value.

    摘要翻译: 提供了一种用于对图像或一系列图像进行编码的方法和装置,在其中一个图像中生成包括表示像素组的数据的数据流,称为块。 该方法包括:根据其对应于要编码的至少一个块参数的相应值的接近度来对块簇中的块进行分组; 确定参数的值,所述值是所述块组的特征; 编码块的编码块,其中参数的块的值通过特征值的继承隐含地编码,或者被编码为相对于特征值的细化,以及编码与块簇相关联的数据结构,数据结构 包括与特征值相关联的数据。

    METHOD FOR THE VARIABLE-COMPLEXITY DECODING OF AN IMAGE SIGNAL, CORRESPONDING DECODING TERMINAL, ENCODING METHOD, ENCODING DEVICE, COMPUTER SIGNAL AND PROGRAMS
    5.
    发明申请
    METHOD FOR THE VARIABLE-COMPLEXITY DECODING OF AN IMAGE SIGNAL, CORRESPONDING DECODING TERMINAL, ENCODING METHOD, ENCODING DEVICE, COMPUTER SIGNAL AND PROGRAMS 有权
    用于图像信号的可变复杂度解码的方法,相应的解码终端,编码方法,编码设备,计算机信号和程序

    公开(公告)号:US20100278444A1

    公开(公告)日:2010-11-04

    申请号:US12809838

    申请日:2008-12-19

    IPC分类号: G06K9/36

    摘要: A method is provided decoding a digital image signal in a decoding terminal that uses a variable-complexity decoding, enabling, for at least one step in the decoding, selection of at least one decoding tool from at least two available decoding tools. The method includes the following steps: identifying from the images control images and intermediate images; applying to each of the control images, for at least one step of the decoding, at least one predetermined decoding tool imposed by the signal; applying to at least one of the intermediate images, for at least one step of the decoding, at least one decoding tool selected by the decoding terminal and not imposed by the signal.

    摘要翻译: 提供一种在使用可变复杂度解码的解码终端中对数字图像信号进行解码的方法,使得至少一个步骤能够从至少两个可用的解码工具中选择至少一个解码工具。 该方法包括以下步骤:从图像中识别控制图像和中间图像; 对每个控制图像应用至少一个解码步骤,由该信号施加的至少一个预定解码工具; 对至少一个中间图像应用至少一个解码步骤,由解码终端选择并且不由该信号施加的至少一个解码工具。

    Encoding and decoding an image or image sequence divided into pixel blocks
    7.
    发明授权
    Encoding and decoding an image or image sequence divided into pixel blocks 有权
    对分成像素块的图像或图像序列进行编码和解码

    公开(公告)号:US08971648B2

    公开(公告)日:2015-03-03

    申请号:US14291929

    申请日:2014-05-30

    IPC分类号: G06K9/36 G06K9/46

    摘要: A method and apparatus are provided for coding an image or a sequence of images, generating a data stream including data representative of pixel groups, referred to as blocks, in one of the images. The method includes: grouping blocks in a cluster of blocks according to the proximity of their respective values corresponding to at least one block parameter to be coded; determining a value of the parameter, the value being characteristic of said group of blocks; coding blocks of the cluster, where the values of the blocks for the parameter are coded implicitly by inheritance of the characteristic value or are coded as refinements relative to the characteristic value, and coding a data structure associated with the cluster of blocks, the data structure including data associated with the characteristic value.

    摘要翻译: 提供了一种用于对图像或一系列图像进行编码的方法和装置,在其中一个图像中生成包括表示像素组的数据的数据流,称为块。 该方法包括:根据其对应于要编码的至少一个块参数的相应值的接近度来对块簇中的块进行分组; 确定参数的值,所述值是所述块组的特征; 编码块的编码块,其中参数的块的值通过特征值的继承隐含地编码,或者被编码为相对于特征值的细化,以及编码与块簇相关联的数据结构,数据结构 包括与特征值相关联的数据。

    ENCODING AND DECODING AN IMAGE OR IMAGE SEQUENCE DIVIDED INTO PIXEL BLOCKS
    9.
    发明申请
    ENCODING AND DECODING AN IMAGE OR IMAGE SEQUENCE DIVIDED INTO PIXEL BLOCKS 有权
    编码和解码分割成像素块的图像或图像序列

    公开(公告)号:US20110007977A1

    公开(公告)日:2011-01-13

    申请号:US12918963

    申请日:2009-02-20

    IPC分类号: G06K9/36

    摘要: A method and apparatus are provided for coding an image or a sequence of images, generating a data stream including data representative of pixel groups, referred to as blocks, in one of the images. The method includes: grouping blocks in a cluster of blocks according to the proximity of their respective values corresponding to at least one block parameter to be coded; determining a value of the parameter, the value being characteristic of said group of blocks; coding blocks of the cluster, where the values of the blocks for the parameter are coded implicitly by inheritance of the characteristic value or are coded as refinements relative to the characteristic value, and coding a data structure associated with the cluster of blocks, the data structure including data associated with the characteristic value.

    摘要翻译: 提供了一种用于对图像或一系列图像进行编码的方法和装置,在其中一个图像中生成包括表示像素组的数据的数据流,称为块。 该方法包括:根据其对应于要编码的至少一个块参数的相应值的接近度来对块簇中的块进行分组; 确定参数的值,所述值是所述块组的特征; 编码块的编码块,其中参数的块的值通过特征值的继承隐含地编码,或者被编码为相对于特征值的细化,以及编码与块簇相关联的数据结构,数据结构 包括与特征值相关联的数据。

    Method and device for encoding a sequence of images implementing a temporal prediction, corresponding signal, data storage medium, method and decoding device and computer program products
    10.
    发明授权
    Method and device for encoding a sequence of images implementing a temporal prediction, corresponding signal, data storage medium, method and decoding device and computer program products 有权
    用于编码实现时间预测,对应信号,数据存储介质,方法和解码装置以及计算机程序产品的图像序列的方法和装置

    公开(公告)号:US08855206B2

    公开(公告)日:2014-10-07

    申请号:US13002422

    申请日:2009-06-30

    摘要: A method and apparatus are provided for coding a sequence of images. The method includes a step of coding at least one block of a current image of the sequence, implementing a prediction associating the block with at least one corresponding block in a reference image. The prediction includes the following steps, for at least one given block of the current image or of the reference image: determination of a plurality of control vectors for the block; at least one splitting of the block into sub-blocks; determination of a plurality of control vectors for the sub-blocks; and determination of a prediction value for at least one point of the current image. Moreover, the method includes a step of inserting, into a signal representative of the sequence, information regarding reconstruction of the control vectors for the given block.

    摘要翻译: 提供了一种用于对图像序列进行编码的方法和装置。 该方法包括编码序列的当前图像的至少一个块的步骤,实现将该块与参考图像中的至少一个相应块相关联的预测。 对于当前图像或参考图像的至少一个给定块,预测包括以下步骤:确定块的多个控制向量; 将所述块至少一个分割成子块; 确定所述子块的多个控制向量; 以及确定当前图像的至少一个点的预测值。 此外,该方法包括将代表该序列的信号插入到关于给定块的控制向量的重建的信息的步骤。