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    Efficient video block mode changes in second pass video coding
    1.
    发明授权
    Efficient video block mode changes in second pass video coding 有权
    高效视频块模式在二次视频编码中发生变化

    公开(公告)号：US08594187B2

    公开(公告)日：2013-11-26

    申请号：US11777395

    申请日：2007-07-13

    申请人： Peisong Chen ,  Phanikumar Bhamidipati ,  Sitaraman Ganapathy Subramania ,  Amit Rohatgi ,  Seyfullah Halit Oguz ,  Scott T. Swazey

    发明人： Peisong Chen ,  Phanikumar Bhamidipati ,  Sitaraman Ganapathy Subramania ,  Amit Rohatgi ,  Seyfullah Halit Oguz ,  Scott T. Swazey

    IPC分类号： H04N11/02

    CPC分类号： H04N19/194 ,  H04N19/109 ,  H04N19/124 ,  H04N19/147 ,  H04N19/15 ,  H04N19/164 ,  H04N19/176 ,  H04N19/19 ,  H04N19/61

    摘要： This disclosure describes techniques for second pass video coding in a multi-pass video coding scenario. The coding modes for some video blocks encoded during a second pass may be changed relative to the coding modes used for such video blocks in the first pass. However, motion information does not change for those video blocks that have the changed modes. In particular, mode changes can be made in the second coding pass relative to the modes used in the first coding pass without changing the manner in which motion information will be derived at the decoder, e.g., due to similarities between the original modes of the first pass and changed modes used in the second pass. The second pass coding techniques may also include quantization parameter adjustments, and the mode changes can cause such quantization parameter adjustments to have more profound refinements effects on the second pass coding.

    摘要翻译： 本公开描述了在多遍视频编码场景中的第二遍视频编码的技术。 在第二遍期间编码的一些视频块的编码模式可以相对于在第一遍中用于这种视频块的编码模式而改变。 但是，对于那些具有改变模式的视频块，运动信息不会改变。 特别地，相对于在第一编码通道中使用的模式，可以在第二编码通过中进行模式改变，而不改变在解码器处将导出运动信息的方式，例如，由于第一编码 第二次通过中使用的通过和更改模式。 第二遍编码技术还可以包括量化参数调整，并且模式改变可以导致这样的量化参数调整对第二遍编码具有更深刻的细化效果。

    ADAPTIVE GROUP OF PICTURES (AGOP) STRUCTURE DETERMINATION
    3.
    发明申请
    ADAPTIVE GROUP OF PICTURES (AGOP) STRUCTURE DETERMINATION 有权
    自适应组图（AGOP）结构测定

    公开(公告)号：US20090154816A1

    公开(公告)日：2009-06-18

    申请号：US11957582

    申请日：2007-12-17

    申请人： Scott T. Swazey ,  Seyfullah Halit Oguz ,  Amit Rohatgi

    发明人： Scott T. Swazey ,  Seyfullah Halit Oguz ,  Amit Rohatgi

    IPC分类号： G06K9/36

    CPC分类号： H04N19/40 ,  H04N19/114 ,  H04N19/142 ,  H04N19/177 ,  H04N19/61 ,  H04N19/87

    摘要： This disclosure is directed to techniques for determining a picture type for each of a plurality of frames included in a video sequence based on cross-correlations between the frames. The cross-correlations include first order cross-correlations between image information within pairs of frames included in the video sequence and second order cross-correlations between pairs of the first order cross-correlations. The first order cross-correlations may be analyzed to detect video transitional effects between the frames. The first and second order cross-correlations may be comparatively analyzed to determine temporal similarities between the frames. Therefore, the correlation-based determination techniques determine picture types for the frames based on the video transitional effects and the temporal similarities. The correlation-based determination techniques may calculate the first order cross-correlations between images within pairs of frames, or between sets of subimages within pairs of frames that are then averaged over the subimages for each of the pairs of frames.

    摘要翻译： 本公开涉及用于基于帧之间的互相关来确定包括在视频序列中的多个帧中的每一个的图像类型的技术。 互相关包括在视频序列中包括的帧内的图像信息之间的第一级互相关和第一级互相关对之间的二阶交叉相关。 可以分析第一级互相关以检测帧之间的视频过渡效应。 可以相对分析第一和第二阶互相关以确定帧之间的时间相似性。 因此，基于相关的确定技术基于视频过渡效应和时间相似性确定帧的图像类型。 基于相关的确定技术可以计算帧对之间的图像之间的第一阶交叉相关性，或者在帧对之间的子图像集合之间的第一阶交叉相关性，然后对于每对帧对于子图像进行平均。

    Efficient Video Block Mode Changes in Second Pass Video Coding
    4.
    发明申请
    Efficient Video Block Mode Changes in Second Pass Video Coding 有权
    第二代视频编码中的高效视频块模式更改

    公开(公告)号：US20080212677A1

    公开(公告)日：2008-09-04

    申请号：US11777395

    申请日：2007-07-13

    申请人： Peisong Chen ,  Phanikumar Bhamidipati ,  Sitaraman Ganapathy Subramania ,  Amit Rohatgi ,  Seyfullah Halit Oguz ,  Scott T. Swazey

    发明人： Peisong Chen ,  Phanikumar Bhamidipati ,  Sitaraman Ganapathy Subramania ,  Amit Rohatgi ,  Seyfullah Halit Oguz ,  Scott T. Swazey

    IPC分类号： H04N11/02

    CPC分类号： H04N19/194 ,  H04N19/109 ,  H04N19/124 ,  H04N19/147 ,  H04N19/15 ,  H04N19/164 ,  H04N19/176 ,  H04N19/19 ,  H04N19/61

    摘要： This disclosure describes techniques for second pass video coding in a multi-pass video coding scenario. The coding modes for some video blocks encoded during a second pass may be changed relative to the coding modes used for such video blocks in the first pass. However, motion information does not change for those video blocks that have the changed modes. In particular, mode changes can be made in the second coding pass relative to the modes used in the first coding pass without changing the manner in which motion information will be derived at the decoder, e.g., due to similarities between the original modes of the first pass and changed modes used in the second pass. The second pass coding techniques may also include quantization parameter adjustments, and the mode changes can cause such quantization parameter adjustments to have more profound refinements effects on the second pass coding.

    摘要翻译： 本公开描述了在多遍视频编码场景中的第二遍视频编码的技术。 在第二遍期间编码的一些视频块的编码模式可以相对于在第一遍中用于这种视频块的编码模式而改变。 但是，对于那些具有改变模式的视频块，运动信息不会改变。 特别地，相对于在第一编码通道中使用的模式，可以在第二编码通过中进行模式改变，而不改变在解码器处将导出运动信息的方式，例如，由于第一编码 第二次通过中使用的通过和更改模式。 第二遍编码技术还可以包括量化参数调整，并且模式改变可以导致这样的量化参数调整对第二遍编码具有更深刻的细化效果。

    Adaptive group of pictures (AGOP) structure determination
    5.
    发明授权
    Adaptive group of pictures (AGOP) structure determination 有权

    公开(公告)号：US09628811B2

    公开(公告)日：2017-04-18

    申请号：US11957582

    申请日：2007-12-17

    申请人： Scott T. Swazey ,  Seyfullah Halit Oguz ,  Amit Rohatgi

    发明人： Scott T. Swazey ,  Seyfullah Halit Oguz ,  Amit Rohatgi

    IPC分类号： G06K9/36 ,  H04N19/40 ,  H04N19/61 ,  H04N19/114 ,  H04N19/142 ,  H04N19/177 ,  H04N19/87

    CPC分类号： H04N19/40 ,  H04N19/114 ,  H04N19/142 ,  H04N19/177 ,  H04N19/61 ,  H04N19/87

    摘要： This disclosure is directed to techniques for determining a picture type for each of a plurality of frames included in a video sequence based on cross-correlations between the frames. The cross-correlations include first order cross-correlations between image information within pairs of frames included in the video sequence and second order cross-correlations between pairs of the first order cross-correlations. The first order cross-correlations may be analyzed to detect video transitional effects between the frames. The first and second order cross-correlations may be comparatively analyzed to determine temporal similarities between the frames. Therefore, the correlation-based determination techniques determine picture types for the frames based on the video transitional effects and the temporal similarities. The correlation-based determination techniques may calculate the first order cross-correlations between images within pairs of frames, or between sets of subimages within pairs of frames that are then averaged over the subimages for each of the pairs of frames.

    VIDEO CODING MODE SELECTION USING ESTIMATED CODING COSTS
    8.
    发明申请
    VIDEO CODING MODE SELECTION USING ESTIMATED CODING COSTS 有权
    使用估计代码费用的视频编码模式选择

    公开(公告)号：US20080273810A1

    公开(公告)日：2008-11-06

    申请号：US11744762

    申请日：2007-05-04

    申请人： Sitaraman Ganapathy Subramania ,  Fang Shi ,  Peisong Chen ,  Seyfullah Halit Oguz ,  Scott T. Swazey ,  Vinod Kaushik

    发明人： Sitaraman Ganapathy Subramania ,  Fang Shi ,  Peisong Chen ,  Seyfullah Halit Oguz ,  Scott T. Swazey ,  Vinod Kaushik

    IPC分类号： G06K9/38

    CPC分类号： H04N19/184 ,  H04N19/124 ,  H04N19/132 ,  H04N19/147 ,  H04N19/149 ,  H04N19/176 ,  H04N19/61

    摘要： This disclosure describes techniques for coding mode selection using estimated coding costs. To provide high compression efficiency, for example, an encoding device may attempt to select a coding mode for coding blocks of pixels that codes the data of the blocks with high efficiency. To this end, the encoding device may perform coding mode selection based on estimates of coding cost for at least a portion of the possible modes. In accordance with the techniques described herein, the encoding device estimates the coding cost for the different modes without actually coding the blocks. In fact, in some aspects, the encoding module device may estimate the coding cost for the modes without quantizing the data of the block for each mode. In this manner, the coding cost estimation techniques of this disclosure reduce the amount of computationally intensive calculations needed to perform effective mode selection.

    摘要翻译： 本公开描述了使用估计编码成本来编码模式选择的技术。 为了提供高压缩效率，例如，编码装置可以尝试选择用于编码以高效率编码块的数据的像素块的编码模式。 为此，编码装置可以基于对可能模式的至少一部分的编码成本的估计来执行编码模式选择。 根据本文描述的技术，编码设备估计不同模式的编码成本，而不对块进行实际编码。 事实上，在一些方面，编码模块设备可以估计模式的编码成本，而不对每种模式的块的数据进行量化。 以这种方式，本公开的编码成本估计技术减少了执行有效模式选择所需的计算密集计算量。

    Video coding mode selection using estimated coding costs
    9.
    发明授权
    Video coding mode selection using estimated coding costs 有权
    使用估计编码成本的视频编码模式选择

    公开(公告)号：US08150172B2

    公开(公告)日：2012-04-03

    申请号：US11744762

    申请日：2007-05-04

    申请人： Sitaraman Ganapathy Subramania ,  Fang Shi ,  Peisong Chen ,  Seyfullah Halit Oguz ,  Scott T. Swazey ,  Vinod Kaushik

    发明人： Sitaraman Ganapathy Subramania ,  Fang Shi ,  Peisong Chen ,  Seyfullah Halit Oguz ,  Scott T. Swazey ,  Vinod Kaushik

    IPC分类号： G06K9/36 ,  G06K9/46 ,  G06K9/00

    CPC分类号： H04N19/184 ,  H04N19/124 ,  H04N19/132 ,  H04N19/147 ,  H04N19/149 ,  H04N19/176 ,  H04N19/61

    摘要： A method and system for coding mode selection using estimated coding costs. To provide high compression efficiency, for example, an encoding device may attempt to select a coding mode for coding blocks of pixels that codes the data of the blocks with high efficiency. To this end, the encoding device may perform coding mode selection based on estimates of coding cost for at least a portion of the possible modes. The encoding device may estimate the coding cost for the different modes without actually coding the blocks. In fact, in some aspects, the encoding module device may estimate the coding cost for the modes without quantizing the data of the block for each mode. In this manner, the coding cost estimation techniques may reduce the amount of computationally intensive calculations needed to perform effective mode selection.

    摘要翻译： 一种使用估计编码成本对模式选择进行编码的方法和系统。 为了提供高压缩效率，例如，编码装置可以尝试选择用于编码以高效率编码块的数据的像素块的编码模式。 为此，编码装置可以基于对可能模式的至少一部分的编码成本的估计来执行编码模式选择。 编码装置可以在不实际编码块的情况下估计不同模式的编码成本。 事实上，在一些方面，编码模块设备可以估计模式的编码成本，而不对每种模式的块的数据进行量化。 以这种方式，编码成本估计技术可以减少执行有效模式选择所需的计算密集计算量。

    Method and system for organizing broadcast content
    10.
    发明授权
    Method and system for organizing broadcast content 有权
    组织广播内容的方法和系统

    公开(公告)号：US08374114B2

    公开(公告)日：2013-02-12

    申请号：US12828661

    申请日：2010-07-01

    申请人： Zhiheng Mao ,  Jason A. Reich ,  Ethan M. Idenmill ,  Devarshi P. Shah ,  Scott T. Swazey

    发明人： Zhiheng Mao ,  Jason A. Reich ,  Ethan M. Idenmill ,  Devarshi P. Shah ,  Scott T. Swazey

    IPC分类号： H04H20/71

    CPC分类号： H04N21/64315 ,  H04N21/23608 ,  H04N21/2381 ,  H04N21/6112 ,  H04N21/8456

    摘要： Embodiment methods and systems enable a broadcast network, such as a MediaFLO network, to maintain the presentation quality of video data received from content providers when transforming it to a format suitable for broadcasting to mobile devices. Methods enable encoding of H.264 frames received from a third-party encoder into superframes for broadcast over MediaFLO FLO TV®. The methods group individual image frames together into superframes for broadcast, making allowances for frames which are supposed to be decoded in one second but presented or displayed in a subsequent second. The various embodiments ensure that image frames are group together into superframe so that frames that are supposed to be presented together in the same second are displayed together and so that frames that are dependent on those frames for decoding are not put ahead of the frames from which they depend.

    摘要翻译： 实施例的方法和系统使诸如MediaFLO网络之类的广播网络能够将从内容提供商接收的视频数据的呈现质量转换为适合于向移动设备广播的格式时，保持其呈现质量。 方法可以将从第三方编码器接收的H.264帧编码成通过MediaFLO FLOTV®进行广播的超帧。 这些方法将各个图像帧组合在一起成为用于广播的超帧，从而允许在一秒内被解码的帧，但是在随后的第二个中呈现或显示。 各种实施例确保图像帧被组合在一起成为超帧，使得被假定在同一秒内呈现在一起的帧被一起显示，并且使得依赖于用于解码的帧的帧不被置于帧的前面 他们依赖。