公开(公告)号：US08526507B2

公开(公告)日：2013-09-03

申请号：US13616756

申请日：2012-09-14

申请人： Chia-Yuan Teng ,  Sharath Manjunath

发明人： Chia-Yuan Teng ,  Sharath Manjunath

IPC分类号： H04N7/26

CPC分类号： H04N19/00939 ,  H04N19/107 ,  H04N19/117 ,  H04N19/142 ,  H04N19/159 ,  H04N19/166 ,  H04N19/174 ,  H04N19/895

摘要： Error concealment is used to hide the effects of errors detected within digital video information. A novel spatial error concealment technique is disclosed for use when the error concealment mode decision determines that spatial error concealment should be used for reconstruction. The novel spatial error concealment technique divides a corrupt macroblock into multiple regions, such as, a corner region, a row adjacent to the corner region, a column adjacent to the corner region, and a remainder main region. Those regions are then reconstructed and information from earlier reconstructed regions may be used in later reconstructed regions. Finally, a macroblock refreshment technique is disclosed for preventing error propagation from harming non-corrupt inter-blocks. Specifically, an inter-macroblock may be ‘refreshed’ using spatial error concealment if there has been significant error caused damage that may cause the inter-block to propagate the errors.

摘要翻译： 错误隐藏用于隐藏数字视频信息中检测到的错误的影响。 当错误隐藏模式决定确定空间误差隐藏应用于重建时，公开了一种新颖的空间误差隐藏技术。 新颖的空间误差隐藏技术将损坏的宏块划分成多个区域，例如角区域，与角区域相邻的行，与角区域相邻的列，以及余数主区域。 然后重建那些区域，并且可以在稍后的重建区域中使用来自较早重建区域的信息。 最后，公开了一种宏块刷新技术，用于防止错误传播损害非破坏的块间。 具体地说，如果存在可能导致块间传播错误的严重错误导致的损坏，则可以使用空间错误隐藏来“刷新”宏块间宏块。

公开(公告)号：US20130010876A1

公开(公告)日：2013-01-10

申请号：US13616756

申请日：2012-09-14

申请人： Chin-Yuan Teng ,  Sharath Manjunath

发明人： Chin-Yuan Teng ,  Sharath Manjunath

IPC分类号： H04N7/26

CPC分类号： H04N19/00939 ,  H04N19/107 ,  H04N19/117 ,  H04N19/142 ,  H04N19/159 ,  H04N19/166 ,  H04N19/174 ,  H04N19/895

摘要： Error concealment is used to hide the effects of errors detected within digital video information. A novel spatial error concealment technique is disclosed for use when the error concealment mode decision determines that spatial error concealment should be used for reconstruction. The novel spatial error concealment technique divides a corrupt macroblock into multiple regions, such as, a corner region, a row adjacent to the corner region, a column adjacent to the corner region, and a remainder main region. Those regions are then reconstructed and information from earlier reconstructed regions may be used in later reconstructed regions. Finally, a macroblock refreshment technique is disclosed for preventing error propagation from harming non-corrupt inter-blocks. Specifically, an inter-macroblock may be ‘refreshed’ using spatial error concealment if there has been significant error caused damage that may cause the inter-block to propagate the errors.

摘要翻译： 错误隐藏用于隐藏数字视频信息中检测到的错误的影响。 当错误隐藏模式决定确定空间误差隐藏应用于重建时，公开了一种新颖的空间误差隐藏技术。 新颖的空间误差隐藏技术将损坏的宏块划分成多个区域，例如角区域，与角区域相邻的行，与角区域相邻的列，以及余数主区域。 然后重建那些区域，并且可以在稍后的重建区域中使用来自较早重建区域的信息。 最后，公开了一种宏块刷新技术，用于防止错误传播损害非破坏的块间。 具体地，如果存在可能导致块间传播错误的严重错误引起的损坏，则可以使用空间错误隐藏来刷新宏块间宏块。

公开(公告)号：US08379734B2

公开(公告)日：2013-02-19

申请号：US11690132

申请日：2007-03-23

申请人： Chia-Yuan Teng ,  Sharath Manjunath

发明人： Chia-Yuan Teng ,  Sharath Manjunath

IPC分类号： H04N7/68

CPC分类号： H04N19/00939 ,  H04N19/107 ,  H04N19/117 ,  H04N19/142 ,  H04N19/159 ,  H04N19/166 ,  H04N19/174 ,  H04N19/895

摘要： Error concealment is used to hide the effects of errors detected within digital video information. A complex error concealment mode decision is disclosed to determine whether spatial error concealment (SEC) or temporal error concealment (TEC) should be used. The error concealment mode decision system uses different methods depending on whether the damaged frame is an intra-frame or an inter-frame. If the video frame is an intra-frame then a similarity metric is used to determine if the intra-frame represents a scene-change or not. If the video frame is an intra-frame, a complex multi-termed equation is used to determine whether SEC or TEC should be used. A novel spatial error concealment technique is disclosed for use when the error concealment mode decision determines that spatial error concealment should be used for reconstruction. The novel spatial error concealment technique divides a corrupt macroblock into four different regions, a corner region, a row adjacent to the corner region, a column adjacent to the corner region, and a remainder main region. Those regions are then reconstructed in that order and information from earlier reconstructed regions may be used in later reconstructed regions. Finally, a macroblock refreshment technique is disclosed for preventing error propagation from harming non-corrupt inter-blocks. Specifically, an inter-macroblock may be ‘refreshed’ using spatial error concealment if there has been significant error caused damage that may cause the inter-block to propagate the errors.

摘要翻译： 错误隐藏用于隐藏数字视频信息中检测到的错误的影响。 公开了一种复杂的错误隐藏模式决定，以确定是否应使用空间误差隐藏（SEC）或时间误差隐藏（TEC）。 错误隐藏模式决策系统使用不同的方法，取决于损坏的帧是帧内还是帧间。 如果视频帧是帧内帧，则使用相似性度量来确定帧内是否表示场景改变。 如果视频帧是帧内帧，则使用复数多方程来确定是否应使用SEC或TEC。 当错误隐藏模式决定确定空间误差隐藏应用于重建时，公开了一种新颖的空间误差隐藏技术。 新颖的空间误差隐藏技术将腐败的宏块分为四个不同的区域，一个角区域，一个与拐角区域相邻的一行，一个邻近拐角区域的列以及一个剩余的主区域。 然后按照该顺序重建那些区域，并且可以在稍后的重建区域中使用来自较早重建区域的信息。 最后，公开了一种宏块刷新技术，用于防止错误传播损害非损坏的块间。 具体地，如果存在可能导致块间传播错误的严重错误引起的损坏，则可以使用空间错误隐藏来刷新宏块间宏块。

公开(公告)号：US20070177667A1

公开(公告)日：2007-08-02

申请号：US11624614

申请日：2007-01-18

申请人： Sitaraman Subramania ,  Gordon Walker ,  Vijayalakshmi Raveendran

发明人： Sitaraman Subramania ,  Gordon Walker ,  Vijayalakshmi Raveendran

IPC分类号： H04N7/12 ,  H04N11/04

CPC分类号： H04N19/00939 ,  H04N19/103 ,  H04N19/107 ,  H04N19/134 ,  H04N19/137 ,  H04N19/149 ,  H04N19/154 ,  H04N19/166 ,  H04N19/176 ,  H04N19/182 ,  H04N19/61 ,  H04N19/895 ,  H04N21/6131

摘要： Methods and apparatuses to encode multimedia data enabling, among others, for example, improved decoded video quality, improved error recovery capabilities and/or improved decoding efficiency are described. A method according to the application includes one or more of the following: initializing a pixel-level reference counter for a current frame, performing a prediction of a next frame referring to the current frame, incrementing the pixel-level reference counter for each pixel of the current frame that is referenced during the prediction of the next frame, readjusting a macroblock bandwidth map of the current frame, repeating the steps of initializing, performing and readjusting for each next frame in a plurality of next frames referring to the current frame, and encoding the current frame based at least in part on the readjusted macroblock bandwidth map of the current frame.

摘要翻译： 描述了编码多媒体数据的方法和装置，其能够例如改进的解码视频质量，改进的错误恢复能力和/或改进的解码效率。 根据本申请的方法包括以下中的一个或多个：初始化当前帧的像素级参考计数器，参考当前帧执行下一帧的预测，将每个像素的像素级参考计数器递增 在下一帧的预测中参考的当前帧，重新调整当前帧的宏块带宽映射，重复针对参考当前帧的多个下一帧中的每个下一帧的初始化，执行和重新调整的步骤，以及 至少部分地基于当前帧的重新调整的宏块带宽图来编码当前帧。

公开(公告)号：US08861585B2

公开(公告)日：2014-10-14

申请号：US11624614

申请日：2007-01-18

申请人： Sitaraman Ganapathy Subramanian ,  Gordon Kent Walker ,  Vijayalakshmi R. Raveendran

发明人： Sitaraman Ganapathy Subramanian ,  Gordon Kent Walker ,  Vijayalakshmi R. Raveendran

IPC分类号： H04N7/50 ,  H04N19/137 ,  H04N19/176 ,  H04N19/61 ,  H04N21/61 ,  H04N19/107 ,  H04N19/166 ,  H04N19/154 ,  H04N19/134 ,  H04N19/89 ,  H04N19/182 ,  H04N19/149 ,  H04N19/103

CPC分类号： H04N19/00939 ,  H04N19/103 ,  H04N19/107 ,  H04N19/134 ,  H04N19/137 ,  H04N19/149 ,  H04N19/154 ,  H04N19/166 ,  H04N19/176 ,  H04N19/182 ,  H04N19/61 ,  H04N19/895 ,  H04N21/6131

摘要： Methods and apparatuses to encode multimedia data enabling, among others, for example, improved decoded video quality, improved error recovery capabilities and/or improved decoding efficiency are described. A method according to the application includes one or more of the following: initializing a pixel-level reference counter for a current frame, performing a prediction of a next frame referring to the current frame, incrementing the pixel-level reference counter for each pixel of the current frame that is referenced during the prediction of the next frame, readjusting a macroblock bandwidth map of the current frame, repeating the steps of initializing, performing and readjusting for each next frame in a plurality of next frames referring to the current frame, and encoding the current frame based at least in part on the readjusted macroblock bandwidth map of the current frame.

摘要翻译： 描述了编码多媒体数据的方法和装置，其能够例如改进的解码视频质量，改进的错误恢复能力和/或改进的解码效率。 根据该应用的方法包括以下中的一个或多个：初始化当前帧的像素级参考计数器，参考当前帧执行下一帧的预测，将每个像素的像素级参考计数器递增 在下一帧的预测中参考的当前帧，重新调整当前帧的宏块带宽映射，重复针对参考当前帧的多个下一帧中的每个下一帧的初始化，执行和重新调整的步骤，以及 至少部分地基于当前帧的重新调整的宏块带宽图来编码当前帧。

公开(公告)号：US20080232478A1

公开(公告)日：2008-09-25

申请号：US11690132

申请日：2007-03-23

申请人： Chia-Yuan Teng ,  Sharath Manjunath

发明人： Chia-Yuan Teng ,  Sharath Manjunath

IPC分类号： H04N7/68

CPC分类号： H04N19/00939 ,  H04N19/107 ,  H04N19/117 ,  H04N19/142 ,  H04N19/159 ,  H04N19/166 ,  H04N19/174 ,  H04N19/895

摘要： Error concealment is used to hide the effects of errors detected within digital video information. A complex error concealment mode decision is disclosed to determine whether spatial error concealment (SEC) or temporal error concealment (TEC) should be used. The error concealment mode decision system uses different methods depending on whether the damaged frame is an intra-frame or an inter-frame. If the video frame is an intra-frame then a similarity metric is used to determine if the intra-frame represents a scene-change or not. If the video frame is an intra-frame, a complex multi-termed equation is used to determine whether SEC or TEC should be used. A novel spatial error concealment technique is disclosed for use when the error concealment mode decision determines that spatial error concealment should be used for reconstruction. The novel spatial error concealment technique divides a corrupt macroblock into four different regions, a corner region, a row adjacent to the corner region, a column adjacent to the corner region, and a remainder main region. Those regions are then reconstructed in that order and information from earlier reconstructed regions may be used in later reconstructed regions. Finally, a macroblock refreshment technique is disclosed for preventing error propagation from harming non-corrupt inter-blocks. Specifically, an inter-macroblock may be ‘refreshed’ using spatial error concealment if there has been significant error caused damage that may cause the inter-block to propagate the errors.

摘要翻译： 错误隐藏用于隐藏数字视频信息中检测到的错误的影响。 公开了一种复杂的错误隐藏模式决定，以确定是否应使用空间误差隐藏（SEC）或时间误差隐藏（TEC）。 错误隐藏模式决策系统使用不同的方法，取决于损坏的帧是帧内还是帧间。 如果视频帧是帧内帧，则使用相似性度量来确定帧内是否表示场景改变。 如果视频帧是帧内帧，则使用复数多方程来确定是否应使用SEC或TEC。 当错误隐藏模式决定确定空间误差隐藏应用于重建时，公开了一种新颖的空间误差隐藏技术。 新颖的空间误差隐藏技术将腐败的宏块分为四个不同的区域，一个角区域，一个与拐角区域相邻的一行，一个邻近拐角区域的列以及一个剩余的主区域。 然后按照该顺序重建那些区域，并且可以在稍后的重建区域中使用来自较早重建区域的信息。 最后，公开了一种宏块刷新技术，用于防止错误传播损害非破坏的块间。 具体地说，如果存在可能导致块间传播错误的严重错误导致的损坏，则可以使用空间错误隐藏来“刷新”宏块间宏块。