Scalable video coding with grid motion estimation and compensation
    1.
    发明授权
    Scalable video coding with grid motion estimation and compensation 失效
    具有网格运动估计和补偿的可扩展视频编码

    公开(公告)号:US08249159B2

    公开(公告)日:2012-08-21

    申请号:US11571268

    申请日:2005-06-23

    IPC分类号: H04N7/28 H04N11/02 H04N7/32

    摘要: A scalable coder having a grid motion estimation and compensation module (110), a motion compensation temporal filtering module (105), a scalable coding module (115), a discrete transformation module (120), and a packetization module (135). The grid-motion estimation and compensation module (110) outputs a scalable motion vector from the source video data, supplied resolution and bit rate parameters. The motion compensation temporal filtering module (105) generates, from the source video data and the scalable motion vector, a residual image corresponding to the difference between the present and previous image frames. The scalable coding module (115) is coupled to receive and encode the scalable motion vector. The discrete transformation module (120) is configured to receive and domain transform the supplied video to a sequence of coefficients. The packetization module is coupled to the scalable coding module (115) and the discrete transformation module (120), and is operable to combine the encoded scalable motion vector and the sequence of coefficients into a packet.

    摘要翻译: 一种具有网格运动估计和补偿模块(110),运动补偿时间滤波模块(105),可分级编码模块(115),离散变换模块(120)和分组化模块(135)的可缩放编码器。 网格运动估计和补偿模块(110)从源视频数据,提供的分辨率和比特率参数输出可缩放的运动矢量。 运动补偿时间滤波模块(105)从源视频数据和可伸缩运动矢量生成对应于当前和先前图像帧之间的差的残差图像。 可伸缩编码模块(115)被耦合以接收和编码可伸缩运动矢量。 离散变换模块(120)被配置为接收并且将所提供的视频域变换为系数序列。 分组化模块被耦合到可分级编码模块(115)和离散变换模块(120),并且可操作以将经编码的可缩放运动矢量和系数序列组合成分组。

    Scalable Video Coding With Grid Motion Estimation and Compensation
    3.
    发明申请
    Scalable Video Coding With Grid Motion Estimation and Compensation 失效
    可视化视频编码与网格运动估计和补偿

    公开(公告)号:US20080013630A1

    公开(公告)日:2008-01-17

    申请号:US11571268

    申请日:2005-06-23

    IPC分类号: H04B1/66

    摘要: A scalable coder having a grid motion estimation and compensation module (110), a motion compensation temporal filtering module (105), a scalable coding module (115), a discrete transformation module (120), and a packetization module (135). The grid-motion estimation and compensation module (110) outputs a scalable motion vector from the source video data, supplied resolution and bit rate parameters. The motion compensation temporal filtering module (105) generates, from the source video data and the scalable motion vector, a residual image corresponding to the difference between the present and previous image frames. The scalable coding module (115) is coupled to receive and encode the scalable motion vector. The discrete transformation module (120) is configured to receive and domain transform the supplied video to a sequence of coefficients. The packetization module is coupled to the scalable coding module (115) and the discrete transformation module (120), and is operable to combine the encoded scalable motion vector and the sequence of coefficients into a packet.

    摘要翻译: 一种具有网格运动估计和补偿模块(110),运动补偿时间滤波模块(105),可分级编码模块(115),离散变换模块(120)和分组化模块(135)的可缩放编码器。 网格运动估计和补偿模块(110)从源视频数据,提供的分辨率和比特率参数输出可缩放的运动矢量。 运动补偿时间滤波模块(105)从源视频数据和可伸缩运动矢量生成对应于当前和先前图像帧之间的差的残差图像。 可伸缩编码模块(115)被耦合以接收和编码可伸缩运动矢量。 离散变换模块(120)被配置为接收并且将所提供的视频域变换为系数序列。 分组化模块被耦合到可分级编码模块(115)和离散变换模块(120),并且可操作以将经编码的可缩放运动矢量和系数序列组合成分组。

    Method for Encoding at Least One Digital Picture, Encoder, Computer Program Product
    6.
    发明申请
    Method for Encoding at Least One Digital Picture, Encoder, Computer Program Product 审中-公开
    用于编码至少一个数字图像,编码器,计算机程序产品的方法

    公开(公告)号:US20090129467A1

    公开(公告)日:2009-05-21

    申请号:US11910853

    申请日:2006-04-06

    IPC分类号: H04N7/32

    CPC分类号: H04N19/61 H04N19/30

    摘要: A method for encoding at least one digital picture is described, wherein a first representation of the picture is generated, a second representation of the picture is generated and a third representation of the picture is generated from the first representation of the picture and the second representation of the picture by predicting the coding information of the picture elements of the picture using the first representation of the picture and the second representation of the picture.

    摘要翻译: 描述了一种用于对至少一个数字图像进行编码的方法,其中生成图像的第一表示,生成图像的第二表示,并且从图像的第一表示和第二表示生成图像的第三表示 通过使用图像的第一表示和图像的第二表示来预测图像的图像元素的编码信息。

    Fast mode decision algorithm for intra prediction for advanced video coding
    7.
    发明申请
    Fast mode decision algorithm for intra prediction for advanced video coding 审中-公开
    用于高级视频编码的帧内预测的快速模式决策算法

    公开(公告)号:US20070036215A1

    公开(公告)日:2007-02-15

    申请号:US10548120

    申请日:2004-03-03

    IPC分类号: H04N7/12 H04N11/04

    摘要: A method (400) and an apparatus for AVC intra prediction to code digital video comprising a plurality of pictures are disclosed. The method comprises the steps of: generating (410) edge directional information for each intra block of a digital picture; and choosing (420) most probable intra prediction modes for rate distortion optimisation dependent upon the generated edge directional information. The edge directional information may be generated by applying at least one edge operator to the digital picture. The edge direction histogram may sum up the amplitudes of pixels with similar 15 directions in the block. The method may further comprise the step of intra coding (430) a block of the digital picture using the chosen most probable intra prediction modes.

    摘要翻译: 公开了一种用于AVC帧内预测以编码包括多个图像的数字视频的方法(400)和装置。 该方法包括以下步骤:产生(410)数字图像的每个帧内的边缘方向信息; 并根据生成的边缘方向信息选择(420)用于速率失真优化的最可能的帧内预测模式。 可以通过将至少一个边缘算子应用于数字图像来生成边缘方向信息。 边缘方向直方图可以将块中具有相似15个方向的像素的幅度相加。 该方法还可以包括使用所选择的最可能的帧内预测模式对数字图像的块进行帧内编码(430)的步骤。

    Method for performing a domain transformation of a digital signal from the time domain into the frequency domain and vice versa
    9.
    发明授权
    Method for performing a domain transformation of a digital signal from the time domain into the frequency domain and vice versa 有权
    用于执行数字信号从时域到频域的域变换的方法,反之亦然

    公开(公告)号:US08126950B2

    公开(公告)日:2012-02-28

    申请号:US10573953

    申请日:2004-05-06

    IPC分类号: G06F17/14

    摘要: A method for performing a domain transformation of a digital signal from the time domain into the frequency domain and vice versa, the method including performing the transformation by a transforming element, the transformation element comprising a plurality of lifting stages, wherein the transformation corresponds to a transformation matrix and wherein at least one lifting stage of the plurality of lifting stages comprises at least one auxiliary transformation matrix and a rounding unit, the auxiliary transformation matrix comprising the transformation matrix itself or the corresponding transformation matrix of lower dimension. The method further comprising performing a rounding operation of the signal by the rounding unit after the transformation by the auxiliary transformation matrix.

    摘要翻译: 一种用于执行从时域到频域的数字信号的域变换的方法,反之亦然,所述方法包括由变换元素执行变换,所述变换元素包括多个提升级,其中所述变换对应于 变换矩阵,并且其中所述多个提升级中的至少一个提升级包括至少一个辅助变换矩阵和舍入单元,所述辅助变换矩阵包括所述变换矩阵本身或相应的较低维度的转换矩阵。 该方法还包括:在通过辅助变换矩阵进行变换之后,由舍入单元执行该信号的舍入操作。

    Systems and methods for scalably encoding and decoding data
    10.
    发明授权
    Systems and methods for scalably encoding and decoding data 有权
    用于可数据编码和解码数据的系统和方法

    公开(公告)号:US07994946B2

    公开(公告)日:2011-08-09

    申请号:US11628951

    申请日:2004-06-07

    IPC分类号: H03M7/34

    摘要: Systems and methods for scalably encoding and decoding coded data are presented. One exemplary method for scalably coding data includes classifying, based upon at least one predetermined criteria, each of the plurality of data received as either (i) perceptually relevant data or (ii) perceptually irrelevant data. The perceptually relevant data is scalably coded, and the perceptually irrelevant data is non-scalably coded. Subsequently, the scalably coded perceptually relevant data and the non-scalably coded perceptually irrelevant are combined into a coded data stream for transmission.

    摘要翻译: 提出了可编码和解码编码数据的系统和方法。 用于可缩放地编码数据的一种示例性方法包括基于至少一个预定标准,将接收的多个数据中的每一个分类为(i)感知相关数据或(ii)感知上不相关的数据。 感知上相关的数据是可扩展编码的,并且感知上不相关的数据是不可分段编码的。 随后,可感知地编码的感知相关数据和不可压缩编码的感知上无关的数据被组合成用于传输的编码数据流。