Method and Apparatus for Frame Rate Up Conversion with Multiple Reference Frames and Variable Block Sizes
    51.
    发明申请
    Method and Apparatus for Frame Rate Up Conversion with Multiple Reference Frames and Variable Block Sizes 审中-公开
    使用多个参考帧和可变块大小进行帧速率转换的方法和装置

    公开(公告)号:US20070211800A1

    公开(公告)日:2007-09-13

    申请号:US11697282

    申请日:2007-04-05

    IPC分类号: H04N7/12

    摘要: A method for creating an interpolated video frame using a current video frame, and a plurality of previous video frames is presented. The method includes creating a set of extrapolated motion vectors from at least one reference video frame in the plurality of previous video frames; performing an adaptive motion estimation using the extrapolated motion vectors and a class type of each extrapolated motion vector; deciding on a motion compensated interpolation mode; and, creating a set of motion compensated motion vectors based on the motion compensated interpolation mode decision. An apparatus for performing the method is also disclosed.

    摘要翻译: 提出了使用当前视频帧和多个先前视频帧来创建内插视频帧的方法。 该方法包括从多个先前视频帧中的至少一个参考视频帧创建一组外推运动矢量; 使用外推运动矢量和每个外推运动矢量的类型来执行自适应运动估计; 决定运动补偿插值模式; 以及基于运动补偿内插模式决定创建一组运动补偿运动矢量。 还公开了一种用于执行该方法的装置。

    Frame interpolation using more accurate motion information
    52.
    发明申请
    Frame interpolation using more accurate motion information 审中-公开
    帧内插使用更准确的运动信息

    公开(公告)号:US20070076796A1

    公开(公告)日:2007-04-05

    申请号:US11527023

    申请日:2006-09-25

    IPC分类号: H04N11/02 H04N7/12

    摘要: In general, this disclosure describes encoding and decoding techniques that facilitate more accurate interpolation of skipped video frames. In particular, techniques are described for obtaining motion information that indicates motion for skipped video frames based on translational motion and at least one other motion parameter and applying the motion information to interpolate the skipped video frames. The motion information may, for example, indicate motion based on a motion model that models three or more motion parameters as opposed to conventional two parameter translational motion vectors. The more accurate motion information may either be generated within the decoder performing the interpolation or be transmitted by an encoder in one or more frames. Either way, the techniques reduce the amount of visual artifacts in the interpolated frame.

    摘要翻译: 通常,本公开描述了有助于更准确地插入跳过的视频帧的编码和解码技术。 具体地,描述了用于获得基于平移运动和至少一个其他运动参数来指示跳过的视频帧的运动的运动信息的技术,并且应用运动信息来内插跳过的视频帧。 例如,运动信息可以基于与传统的两个参数平移运动矢量相反的来模拟三个或更多运动参数的运动模型来指示运动。 可以在执行内插的解码器中生成更精确的运动信息,或者由编码器在一个或多个帧中发送更准确的运动信息。 无论哪种方式,这些技术都会减少内插帧中的视觉伪影的数量。

    Temporal error concealment for bi-directinally predicted frames
    53.
    发明申请
    Temporal error concealment for bi-directinally predicted frames 有权
    双向预测帧的时间误差隐藏

    公开(公告)号:US20060269153A1

    公开(公告)日:2006-11-30

    申请号:US11432030

    申请日:2006-05-10

    IPC分类号: G06K9/36

    摘要: A method and apparatus to process erroneous bi-directionally predicted multimedia data is described. The method includes determining temporal prediction data for the erroneous multimedia data, and estimating the erroneous multimedia data based on the determined temporal prediction data. The temporal prediction data includes data that was used to predict a forward reference section and/or a backward reference section. In some aspects, the temporal prediction data comprises motion vector data of the reference frames which is scaled to correspond to a frame containing the erroneous data.

    摘要翻译: 描述了处理错误的双向预测多媒体数据的方法和装置。 该方法包括确定错误的多媒体数据的时间预测数据,以及基于所确定的时间预测数据来估计错误的多媒体数据。 时间预测数据包括用于预测前向参考部分和/或后向参考部分的数据。 在一些方面,时间预测数据包括被缩放以对应于包含错误数据的帧的参考帧的运动矢量数据。

    Method and apparatus for motion vector assignment
    55.
    发明申请
    Method and apparatus for motion vector assignment 失效
    运动矢量分配的方法和装置

    公开(公告)号:US20060018383A1

    公开(公告)日:2006-01-26

    申请号:US11186679

    申请日:2005-07-20

    摘要: A method for processing a plurality of motion vectors for a video frame to be interpolated using a first reference frame and a second reference frame, each reference frame having a content map, the method including partitioning the video frame to be interpreted into a plurality of areas; determining a number of motion vectors passing through one area of the plurality of areas based on the content maps of the first reference frame and the second reference frame; and generating a motion vector to assign to the one area based on the number of motion vectors passing through the one area. An apparatus for performing the method is also described.

    摘要翻译: 一种用于使用第一参考帧和第二参考帧处理要插值的视频帧的多个运动矢量的方法,每个参考帧具有内容映射,所述方法包括将要解释的视频帧划分为多个区域 ; 基于所述第一参考帧和所述第二参考帧的内容映射来确定经过所述多个区域中的一个区域的多个运动矢量; 以及基于通过所述一个区域的运动矢量的数量,生成运动矢量以分配给所述一个区域。 还描述了一种用于执行该方法的装置。

    Method and apparatus for frame rate up conversion with multiple reference frames and variable block sizes
    56.
    发明申请
    Method and apparatus for frame rate up conversion with multiple reference frames and variable block sizes 审中-公开
    具有多个参考帧和可变块大小的帧速率转换的方法和装置

    公开(公告)号:US20060017843A1

    公开(公告)日:2006-01-26

    申请号:US11186682

    申请日:2005-07-20

    IPC分类号: H04N7/01 H04N5/14

    摘要: A method for creating an interpolated video frame using a current video frame, and a plurality of previous video frames. The method includes creating a set of extrapolated motion vectors from at least one reference video frame in the plurality of previous video frames; performing an adaptive motion estimation using the extrapolated motion vectors and a content type of each extrapolated motion vector; deciding on a motion compensated interpolation mode; and, creating a set of motion compensated motion vectors based on the motion compensated interpolation mode decision. An apparatus for performing the method is also disclosed.

    摘要翻译: 一种使用当前视频帧和多个先前视频帧创建内插视频帧的方法。 该方法包括从多个先前视频帧中的至少一个参考视频帧创建一组外推运动矢量; 使用外推运动矢量和每个外推运动矢量的内容类型来执行自适应运动估计; 决定运动补偿插值模式; 以及基于运动补偿内插模式决定创建一组运动补偿运动矢量。 还公开了一种用于执行该方法的装置。

    Multiple layer video encoding
    58.
    发明申请
    Multiple layer video encoding 有权
    多层视频编码

    公开(公告)号:US20070071093A1

    公开(公告)日:2007-03-29

    申请号:US11527021

    申请日:2006-09-25

    IPC分类号: H04N11/04

    摘要: Certain embodiments disclosed herein provide systems and methods for processing multimedia data. The systems and methods comprise receiving a first set of quantized coefficients representing at least one video frame, receiving a second set of quantized coefficients representing the at least one video frame, and generating, using the first set of quantized coefficients and second set of quantized coefficients, a third set of quantized coefficients representing the at least one video frame. In certain embodiments, quantization parameters associated with the first and second sets are used in producing the third set of quantized coefficients.

    摘要翻译: 本文公开的某些实施例提供了用于处理多媒体数据的系统和方法。 所述系统和方法包括接收表示至少一个视频帧的第一组量化系数,接收表示所述至少一个视频帧的第二组量化系数,以及使用所述第一组量化系数和所述第二组量化系数 ,表示所述至少一个视频帧的第三组量化系数。 在某些实施例中,与第一和第二组相关联的量化参数用于产生第三组量化系数。

    Error recovery using in band error patterns
    59.
    发明申请
    Error recovery using in band error patterns 审中-公开
    使用带内错误模式进行错误恢复

    公开(公告)号:US20060268996A1

    公开(公告)日:2006-11-30

    申请号:US11432953

    申请日:2006-05-12

    摘要: A method and apparatus for decoding multimedia data are described. One method includes receiving an encoded bitstream, identifying the location of one or more erroneous bits in the bitstream, generating a marker indicating the one or more erroneous bits, and inserting the marker in the bitstream to create a modified bitstream. The method can further comprise decoding the modified bitstream using the marker to indicate the one or more erroneous bits. The method can further comprise initiating an error handling process when encountering the marker.

    摘要翻译: 描述用于解码多媒体数据的方法和装置。 一种方法包括接收编码比特流,识别比特流中的一个或多个错误比特的位置,产生指示一个或多个错误比特的标记,以及将该标记插入到比特流中以创建修改的比特流。 该方法还可以包括使用标记来解码修改的比特流以指示一个或多个错误比特。 该方法还可以包括在遇到标记时发起错误处理过程。