公开(公告)号：US20140211860A1

公开(公告)日：2014-07-31

申请号：US13803738

申请日：2013-03-14

Applicant: MICROSOFT CORPORATION

Inventor： David Zhao ,  Sergey Nikiforov ,  Konrad Hofbauer ,  Magnus Hemmendorff ,  Pontus Carlsson

IPC: H04N19/89

CPC classification number: H04N19/895 ,  H04N19/127 ,  H04N19/154 ,  H04N19/167 ,  H04N19/172 ,  H04N19/46 ,  H04N19/503

Abstract: A receiving apparatus comprises a receiver for receiving a video signal, an output for outputting the video signal to a screen, storage device or further terminal; and a concealment module for applying a concealment algorithm to a lost area of the video signal. The concealment module is configured to determine an estimate of concealment quality selectively directed toward a region of interest within the area in question, and based on this estimate to determine whether or not to apply the concealment algorithm.

Abstract translation: 一种接收装置，包括用于接收视频信号的接收机，用于将视频信号输出到屏幕，存储装置或其他终端的输出; 以及用于将隐藏算法应用于视频信号的丢失区域的隐藏模块。 隐藏模块被配置为基于该估计来确定选择性地针对所讨论的区域内的感兴趣区域的隐藏质量的估计，以确定是否应用隐藏算法。

公开(公告)号：US20140211858A1

公开(公告)日：2014-07-31

申请号：US13804038

申请日：2013-03-14

Applicant: MICROSOFT CORPORATION

Inventor： David Zhao ,  Sergey Nikiforov ,  Konrad Hofbauer ,  Magnus Hemmendorff ,  Pontus Carlsson

IPC: H04N19/85

CPC classification number: G06T3/0093 ,  G06T3/0006 ,  G06T3/0012 ,  G06T3/0056 ,  G06T3/4007 ,  H04N19/117 ,  H04N19/119 ,  H04N19/167 ,  H04N19/172 ,  H04N19/59 ,  H04N19/85

Abstract: A video signal comprises a sequence of source frames to be encoded. A pre-processing stage determines a region of interest for a plurality of the source frames, and spatially adapts each of the plurality of the source frames to produce a respective warped frame. In the respective warped frame, the region of interest comprises a higher spatial proportion of the warped frame than in the source frame. The pre-processing stage supplies the warped frames to an encoder to be encoded into an encoded version of the video signal.

Abstract translation: 视频信号包括要编码的源帧序列。 预处理阶段确定多个源帧的感兴趣区域，并且空间地适配多个源帧中的每一个以产生相应的翘曲帧。 在相应的翘曲框架中，感兴趣的区域包括翘曲框架的空间比例高于源框架。 预处理阶段将翘曲的帧提供给编码器以被编码为视频信号的编码版本。

公开(公告)号：US20140211842A1

公开(公告)日：2014-07-31

申请号：US13838283

申请日：2013-03-15

Applicant: MICROSOFT CORPORATION

Inventor： David Zhao ,  Sergey Nikiforov ,  Konrad Hofbauer ,  Magnus Hemmendorff ,  Pontus Carlsson

IPC: H04N7/26

CPC classification number: H04N19/147 ,  H04N19/103 ,  H04N19/12 ,  H04N19/167 ,  H04N19/17 ,  H04N19/19

Abstract: An input receives a video signal comprising a plurality of frames, each comprising a plurality of image portions. Each of the image portions is encoded by an encoder, to generate an encoded signal. An adaptation module selects a respective encoding mode used to encode each of the image portions. The selection is based on a process that balances an estimate of distortion for the image portion if encoded using the respective encoding mode and a bitrate that would be incurred by encoding the image portion using the respective encoding mode. The adaptation module is also configured to determine, within each of one or more frames of the video signal, at least two different regions having different perceptual significance, and to adapt the above-mentioned process in dependence on which of the regions the image portion being encoded is in.

Abstract translation: 输入接收包括多个帧的视频信号，每个帧包括多个图像部分。 每个图像部分由编码器编码，以产生编码信号。 适配模块选择用于编码每个图像部分的相应编码模式。 该选择基于如下处理：如果使用相应的编码模式进行编码，则平衡图像部分的失真估计，以及使用相应编码模式对图像部分进行编码将产生的比特率。 适配模块还被配置为在视频信号的一个或多个帧的每一个内确定具有不同感知意义的至少两个不同区域，并且根据图像部分是哪个区域来适应上述处理 编码在。