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1. 发明申请

WO2011132115A1 IMAGE SCALING 审中-公开
标题翻译：图像缩放
公开(公告)号：WO2011132115A1
公开(公告)日：2011-10-27
申请号：PCT/IB2011/051571
申请日：2011-04-12
申请人： NDS LIMITED , CHAUVIER, Laurent , MURRAY, Kevin A. , PARNALL, Simon John , TAYLOR, Ray , WALKER, James Geoffrey
发明人： CHAUVIER, Laurent , MURRAY, Kevin A. , PARNALL, Simon John , TAYLOR, Ray , WALKER, James Geoffrey
IPC分类号： H04N13/00
CPC分类号： G06T19/20 , G06T3/40 , G06T5/006 , G06T5/40 , G06T2207/10021 , G06T2207/10028 , H04N13/128 , H04N13/139
摘要： The present invention relates to an apparatus, method for adjusting depth characteristics of a three-dimensional image for correcting for errors in perceived depth when scaling the three-dimensional image, the method comprising: receiving three-dimensional image information comprising a stereoscopic image including a first image and a second image, the stereoscopic image having depth characteristics associated with an offset of the first and second images; determining a scaling factor indicative of a scaling for converting the stereoscopic image from an original target size to a new size; determining at least one shifting factor for varying the depth characteristics, the at least one shifting factor indicative of a relative shift to be applied between the first and the second images, wherein the at least one shifting factor is determined in accordance with the scaling factor and at least one depth parameter derived from the depth characteristics; and performing the relative shift between the first and second images in accordance with the shifting factor for adjusting the offset of the first and second images.
摘要翻译：本发明涉及一种用于在缩放三维图像时调整用于校正感知深度误差的三维图像的深度特征的装置，方法，所述方法包括：接收包括立体图像的三维图像信息，所述立体图像包括第一图像和第二图像，立体图像具有与第一和第二图像的偏移相关联的深度特征; 确定指示用于将立体图像从原始目标尺寸转换为新尺寸的缩放的缩放因子; 确定用于改变所述深度特性的至少一个换档因子，所述至少一个换档因子指示要施加在所述第一和第二图像之间的相对偏移，其中所述至少一个换档因子根据所述比例因子确定，以及从深度特征导出的至少一个深度参数; 以及根据用于调整第一和第二图像的偏移的移位因子执行第一和第二图像之间的相对移动。

2. 发明申请

WO2011030234A1 RECOMMENDED DEPTH VALUE FOR OVERLAYING A GRAPHICS OBJECT ON THREE-DIMENSIONAL VIDEO 审中-公开
标题翻译：在三维视频上覆盖图形对象的推荐深度值
公开(公告)号：WO2011030234A1
公开(公告)日：2011-03-17
申请号：PCT/IB2010/052664
申请日：2010-06-15
申请人： NDS LIMITED , MURRAY, Kevin, A , PARNALL, Simon, John , TAYLOR, Ray , WALKER, James, Geoffrey
发明人： MURRAY, Kevin, A , PARNALL, Simon, John , TAYLOR, Ray , WALKER, James, Geoffrey
IPC分类号： H04N5/278 , H04N13/00 , G06T7/00
CPC分类号： G06T7/593 , G06T2207/10012 , H04N5/278 , H04N13/10 , H04N13/293 , H04N13/361
摘要： A method of generating a recommended depth value for use in displaying a graphics item over a three dimensional video is described. The method includes at a headend: receiving a three dimensional video including video frames; analyzing a sequence of said video frames in turn to produce a sequence of depth maps, each depth map in the sequence of depth maps being associated with timing data relating that depth map to a corresponding video frame in the sequence of video frames, each depth map including depth values, each depth value representing a depth of a pixel location in its corresponding video frame; selecting a region of depth maps in the sequence of depth maps; analyzing said region of the depth maps in the sequence of depth maps to identify a furthest forward depth value for said region in the sequence of depth maps; and transmitting the furthest forward depth value as the recommended depth value for the region to a display device and region information describing the region.
摘要翻译：描述了一种生成用于在三维视频上显示图形项目的推荐深度值的方法。该方法包括头端：接收包括视频帧的三维视频; 依次分析所述视频帧的序列以产生一系列深度图，深度图序列中的每个深度图与将该深度图与视频帧序列中的对应视频帧相关联的定时数据相关联，每个深度图包括深度值，每个深度值表示其对应视频帧中的像素位置的深度; 选择深度图序列中的深度图区域; 在深度图序列中分析深度图的所述区域以识别深度图序列中的所述区域的最远的前进深度值; 并将最远的前进深度值作为区域的推荐深度值发送到显示设备和描述该区域的区域信息。

3. 发明申请

WO2009133427A1 FRAME ACCURATE SWITCHING 审中-公开
标题翻译：框架精确切换
公开(公告)号：WO2009133427A1
公开(公告)日：2009-11-05
申请号：PCT/IB2008/051639
申请日：2008-04-28
申请人： NDS LIMITED , TAYLOR, Ray , SHELTON, Ian, R. , MURRAY, Kevin, A. , WALKER, James, Geoffrey
发明人： TAYLOR, Ray , SHELTON, Ian, R. , MURRAY, Kevin, A. , WALKER, James, Geoffrey
IPC分类号： H04N7/24
CPC分类号： H04N21/23424 , H04N21/2187 , H04N21/4325 , H04N21/4331 , H04N21/4382 , H04N21/4384 , H04N21/44016 , H04N21/440281 , H04N21/812 , H04N21/8455
摘要： A system comprising a decoder arrangement to decode a plurality of video sequences including a first video sequence and a second video sequence, each of the video sequences including a plurality of frames including a first plurality of reference frames and a second plurality of non-reference frames, a selector operationally connected to the decoder arrangement, the selector being operative to select which of the video sequences is outputted to a display device for display, wherein during at least some of the time while the decoder arrangement is decoding the second video sequence which is selected for output to the display device, the decoder arrangement is operative to selectively decode the first video sequence, and then the selector is operative to switch to selecting the first video sequence for outputting to the display device for display. Related apparatus and methods are also described.
摘要翻译：一种系统，包括解码器装置，用于对包括第一视频序列和第二视频序列的多个视频序列进行解码，每个视频序列包括多个帧，所述多个帧包括第一多个参考帧和第二多个非参考帧选择器可操作地连接到所述解码器装置，所述选择器用于选择哪一个视频序列被输出到显示装置以进行显示，其中在所述解码器装置正在解码所述第二视频序列的至少一些时间内，所述第二视频序列是选择输出到显示装置，解码器装置可操作以选择性地解码第一视频序列，然后选择器切换到选择第一视频序列以输出到显示装置进行显示。还描述了相关装置和方法。

4. 发明申请

WO2009001307A1 PRESENTING CONTENT 审中-公开
标题翻译：展示内容
公开(公告)号：WO2009001307A1
公开(公告)日：2008-12-31
申请号：PCT/IB2008/052543
申请日：2008-06-25
申请人： NDS LIMITED , RAI, Pete , DAVIES, Colin John , PARNALL, Simon John , BASTABLE, Ian , MURRAY, Kevin , GIBBS, Peter , DAVIS, Miles , WALKER, James Geoffrey , TAYLOR, Ray
发明人： RAI, Pete , DAVIES, Colin John , PARNALL, Simon John , BASTABLE, Ian , MURRAY, Kevin , GIBBS, Peter , DAVIS, Miles , WALKER, James Geoffrey , TAYLOR, Ray
IPC分类号： H04N7/16 , H04N5/445
CPC分类号： H04N7/16 , H04N7/17318 , H04N21/25891 , H04N21/4312 , H04N21/4314 , H04N21/4532 , H04N21/454 , H04N21/47202 , H04N21/478 , H04N21/482 , H04N21/6582
摘要： A method of presenting content to a viewer is described. The method includes: receiving a schedule of content at a client operable by the viewer, the schedule of content including a directed graph, the directed graph including a plurality of nodes, wherein each node in the plurality of nodes is connected to one or more other nodes in the plurality of nodes by one or more paths, wherein each path represents content presentable to the viewer; traversing the directed graph by following a route between nodes and along paths of the directed graph, wherein at each node the client determines a path to follow according to state information accessible by the client; and presenting content to the viewer as each path is followed.
摘要翻译：描述了向观看者呈现内容的方法。该方法包括：在由观众操作的客户端处接收内容的日程表，包括有向图的内容的日程表，包括多个节点的有向图，其中多个节点中的每个节点连接到一个或多个其他节点多个节点中的节点通过一个或多个路径，其中每个路径表示可呈现给观看者的内容; 通过遵循有向图的节点之间的路线和沿着有向图的路径来遍历有向图，其中在每个节点处，客户端根据客户端可访问的状态信息确定跟随路径; 并且在跟踪每个路径时向观看者呈现内容。

5. 发明申请

WO2008084179A1 BUFFER MANAGEMENT 审中-公开
标题翻译：缓冲管理
公开(公告)号：WO2008084179A1
公开(公告)日：2008-07-17
申请号：PCT/GB2007/000032
申请日：2007-01-08
申请人： NDS LIMITED , TAYLOR, Ray
发明人： TAYLOR, Ray
IPC分类号： H04N7/24
CPC分类号： H04N21/23406 , H04N21/23655 , H04N21/26216 , H04N21/4325 , H04N21/43615 , H04N21/4392 , H04N21/44004 , H04N21/4424
摘要： A system for processing packets of a media stream, the packets being associated with a plurality of timestamps, the packets being at least partially transferred via a bandwidth constrained network, the system including a receiver to receive the packets, a buffer, operationally connected to the receiver, to store the packets, a decoder, operationally connected to the buffer, to receive the packets from the buffer and to decode the packets, a fill-level determiner, operationally connected to the buffer, to determine a fill-level of the buffer based on a time difference between an oldest timestamp of the timestamps of the packets currently stored in the buffer and a newest timestamp of the timestamps of the packets currently stored in the buffer, and a fill-level manager, operationally connected to the buffer, to perform an action based on the determined fill-level. Related apparatus and methods are also described.
摘要翻译：一种用于处理媒体流的分组的系统，所述分组与多个时间戳相关联，所述分组至少部分地经由带宽受限网络传送，所述系统包括接收分组的接收机，操作地连接到所述分组的缓冲器接收器，用于存储分组，解码器，可操作地连接到缓冲器，以从缓冲器接收分组并对分组进行解码，操作地连接到缓冲器的填充级确定器，以确定缓冲器的填充级别基于当前存储在缓冲器中的分组的时间戳的最早时间戳与当前存储在缓冲器中的分组的时间戳的最新时间戳之间的时间差的时间差，以及与缓冲器操作连接的填充级管理器，根据确定的填充级别执行操作。还描述了相关装置和方法。

6. 发明申请

WO2011030236A1 DYNAMICALLY CONSTRUCTING A BROADCAST MULTIPLEX 审中-公开
标题翻译：动态构建广播多媒体
公开(公告)号：WO2011030236A1
公开(公告)日：2011-03-17
申请号：PCT/IB2010/052960
申请日：2010-06-29
申请人： NDS LIMITED , ASHLEY, Alex , RAI, Pete , SMITH, Trevor , WALKER, James, Geoffrey , PARNALL, Simon, John , TAYLOR, Ray
发明人： ASHLEY, Alex , RAI, Pete , SMITH, Trevor , WALKER, James, Geoffrey , PARNALL, Simon, John , TAYLOR, Ray
IPC分类号： H04N7/24 , H04L12/56
CPC分类号： H04N21/4385 , H04N21/234327 , H04N21/23608 , H04N21/23655 , H04N21/2389
摘要： A method and apparatus for dynamically constructing a broadcast multiplex are described. The method includes: receiving metadata associated with a first plurality of events on a plurality of source channels, the metadata including, at least, scheduling metadata; determining, on the basis of a rule-set applied to the metadata, whether events of the first plurality of events are to be included in the multiplex, thereby producing a second plurality of events to be included in the multiplex; for each one event of the second plurality of events, assigning a multiplex priority to the one event, the multiplex priority being a priority the one event is to be assigned in the multiplex in case the one event contends for space in the multiplex with a second event of the second plurality of events; copying events from the second plurality of events into the multiplex in dependence on the multiplex priorities of events in the second plurality of events; and broadcasting the multiplex. Related systems, apparatus, and methods are also described.
摘要翻译：描述用于动态构建广播多路复用的方法和装置。所述方法包括：接收与多个源信道上的第一多个事件相关联的元数据，所述元数据至少包括调度元数据; 基于应用于所述元数据的规则集，确定所述第一多个事件的事件是否将被包括在所述多路复用中，从而产生要被包括在所述多路复用中的第二多个事件; 对于所述第二多个事件的每个事件，对所述一个事件分配多路复用优先级，所述多路复用优先级是所述多路复用中的一个事件要被分配的优先级，第二次事件的事件; 根据第二多个事件中的事件的多重优先级将事件从第二多个事件复制到多路复用中; 并广播多路复用。还描述了相关系统，装置和方法。

7. 发明申请

WO2011027236A1 METHOD AND SYSTEM FOR SIMULTANEOUS RECORDING OF MULTIPLE PROGRAMS ON A DVR 审中-公开
标题翻译：用于同时录制DVR上多个程序的方法和系统
公开(公告)号：WO2011027236A1
公开(公告)日：2011-03-10
申请号：PCT/IB2010/052968
申请日：2010-06-29
申请人： NDS LIMITED , ASHLEY, Alex , RAI, Pete , SMITH, Trevor , TAYLOR, Ray , WALKER, James Geoffrey , MURRAY, Kevin A.
发明人： ASHLEY, Alex , RAI, Pete , SMITH, Trevor , TAYLOR, Ray , WALKER, James Geoffrey , MURRAY, Kevin A.
IPC分类号： H04H20/28 , H04H20/40 , H04H60/27
CPC分类号： H04N21/26606 , G11B27/105 , G11B27/3027 , H04H20/30 , H04H20/426 , H04N5/781 , H04N5/9201 , H04N5/9205 , H04N9/8205 , H04N21/23805 , H04N21/2383 , H04N21/4147 , H04N21/4334 , H04N21/8456
摘要： A method and system for broadcasting content, is described, the method and system facilitating simultaneous recording of multiple programs on a digital video recorder (DVR), the method and system including providing a plurality of content items, dividing each one of the plurality of content items into a multiplicity of chunks, each one of the chunks including at least one reference frame, for each one of the chunks determining a location of each reference frame included in the chunk, creating a chunk index of locations of each reference frame included in the chunk, creating a chunk file including the chunk and the chunk index, and inserting the chunk file in a data stream, such that no chunk file including a chunk from a particular content item is adjacent to a second chunk file including a chunk from the same particular content item, and broadcasting using a transmission bitrate greater than the bitrate of the data stream in a single channel in a multiplexed broadcast service, wherein the chunks files in the data stream are transmitted sequentially. Related systems, apparatus, and methods are also described.
摘要翻译：描述了用于广播内容的方法和系统，便于在数字视频记录器（DVR）上同时记录多个节目的方法和系统，所述方法和系统包括提供多个内容项，将多个内容中的每一个内容项目分成多个块，每个块包括至少一个参考帧，对于确定包括在块中的每个参考帧的位置的块中的每一个块，创建包括在块中的每个参考帧的位置的块索引块，创建包括所述块和所述块索引的块文件，以及将所述块文件插入到数据流中，使得不包括来自特定内容项的块的块文件与包括来自所述块的块的第二块文件相邻特定内容项目，以及使用大于所述多路复用广播服务中的单个频道中的所述数据流的比特率的传输比特率进行广播，其中，顺序地传送数据流中的块数据。还描述了相关系统，装置和方法。

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