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    Method and apparatus for shot detection in video streaming
    5.
    发明授权
    Method and apparatus for shot detection in video streaming 失效
    视频流中镜头检测的方法和装置

    公开(公告)号：US08654848B2

    公开(公告)日：2014-02-18

    申请号：US11538421

    申请日：2006-10-03

    申请人： Tao Tian ,  Gordon Kent Walker ,  Vijayalakshmi R. Raveendran

    发明人： Tao Tian ,  Gordon Kent Walker ,  Vijayalakshmi R. Raveendran

    IPC分类号： H04N7/12

    CPC分类号： H04N5/147 ,  H04N19/107 ,  H04N19/114 ,  H04N19/14 ,  H04N19/142 ,  H04N19/159 ,  H04N19/177 ,  H04N19/179 ,  H04N19/51 ,  H04N19/577 ,  H04N19/61 ,  H04N19/87

    摘要： The invention comprises devices and methods for processing multimedia data. Such methods can include obtaining at least one metric indicative of a difference for a selected frame and adjacent frames in a plurality of video frames, the metric comprising bi-directional motion information and luminance difference information, determining a shot event in the selected frame based on the at least one metric, and adaptively encoding the selected frame based on the shot event. An apparatus for processing a multimedia data can include a motion compensator configured to obtain metrics indicative of a difference between adjacent frames of a plurality of video frames, said metrics comprising bi-directional motion information and luminance information, a shot classifier configured to determine a shot event in the plurality of video frames based on said metrics, and an encoder configured to adaptively encode the plurality of frames based on the shot event.

    摘要翻译： 本发明包括用于处理多媒体数据的设备和方法。 这样的方法可以包括获得指示多个视频帧中的所选帧和相邻帧的差异的至少一个度量，该度量包括双向运动信息和亮度差异信息，基于所选择的帧中的拍摄事件确定 所述至少一个度量，并且基于所述拍摄事件自适应地编码所选择的帧。 用于处理多媒体数据的装置可以包括：运动补偿器，被配置为获得指示多个视频帧的相邻帧之间的差异的度量，所述度量包括双向运动信息和亮度信息;镜头分类器，被配置为确定镜头 事件，以及编码器，被配置为基于所述拍摄事件自适应地编码所述多个帧。

    Multi-program viewing in a wireless apparatus
    6.
    发明授权
    Multi-program viewing in a wireless apparatus 有权
    无线设备中多节目观看

    公开(公告)号：US08428048B2

    公开(公告)日：2013-04-23

    申请号：US11622893

    申请日：2007-01-12

    申请人： Gordon Kent Walker ,  Vijayalakshmi R. Raveendran

    发明人： Gordon Kent Walker ,  Vijayalakshmi R. Raveendran

    IPC分类号： H04L12/46 ,  H04N5/45

    CPC分类号： H04N21/4347 ,  H04H20/26 ,  H04N5/44591 ,  H04N5/45 ,  H04N21/235 ,  H04N21/2365 ,  H04N21/4316 ,  H04N21/434 ,  H04N21/435 ,  H04N21/4384 ,  H04N21/4858 ,  H04N21/64315

    摘要： This disclosure describes a number of techniques for processing multimedia data that can improve multi-program “picture-in-picture” viewing, particularly in a wireless mobile apparatus setting. In one example, a method includes receiving multiple channels of the multimedia data, decoding frames associated with two or more of the channels, presenting first frames of a first channel at a first frame rate, and presenting second frames of a second channel at a second frame rate while presenting the first frames, wherein the second frame rate is lower than the first frame rate. In another example, method includes receiving multiple channels of the multimedia data, receiving channel switch frames (CSFs) associated with the multiple channels, and simultaneously presenting the CSFs associated with two or more of the multiple channels to a user.

    摘要翻译： 本公开描述了用于处理可改进多节目“画中画”观看的多媒体数据的多种技术，特别是在无线移动装置设置中。 在一个示例中，一种方法包括：接收所述多媒体数据的多个信道，解码与所述信道中的两个或更多个相关联的帧，以第一帧速率呈现第一信道的第一帧，以及在第二帧中呈现第二信道的第二帧 帧率，同时呈现第一帧，其中第二帧速率低于第一帧速率。 在另一个示例中，方法包括接收多个信道的多媒体数据，接收与多个信道相关联的信道交换帧（CSF），并且向用户同时呈现与两个或更多个信道相关联的CSF。