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31. 发明授权

US09854274B2 Video coding 有权
公开(公告)号：US09854274B2
公开(公告)日：2017-12-26
申请号：US13274865
申请日：2011-10-17
申请人： Mattias Nilsson , Renat Vafin , Soren Vang Andersen
发明人： Mattias Nilsson , Renat Vafin , Soren Vang Andersen
IPC分类号： H04N19/103 , H04N19/89 , H04N19/176 , H04N19/147 , H04N19/107 , H04N19/166
CPC分类号： H04N19/89 , H04N19/107 , H04N19/147 , H04N19/166 , H04N19/176
摘要： A method of performing a rate-distortion optimization process comprising selecting a preferred encoding mode by optimizing a function comprising an estimate of distortion for a target image portion and a measure of bit rate required to encode that portion. The estimate of distortion is based on source coding distortion and an estimate of error propagation distortion due to loss. The method further comprises transmitting the same encoded version of the video stream from the transmitting terminal to each of a plurality of receiving terminals over respective lossy channels, using the same rate-distortion optimization process in relation to each of the plurality of receiving terminals, making the same encoding mode selection per target image portion based on the same optimization of said function. The estimate of error propagation distortion comprises an aggregate estimate of error propagation distortion that would be experienced due to possible loss over the plurality of channels.

32. 发明授权

US09131248B2 Video coding 有权
标题翻译：视频编码
公开(公告)号：US09131248B2
公开(公告)日：2015-09-08
申请号：US13275046
申请日：2011-10-17
申请人： Mattias Nilsson , Renat Vafin , Soren Vang Andersen
发明人： Mattias Nilsson , Renat Vafin , Soren Vang Andersen
IPC分类号： H04N7/26 , H04N19/89 , H04N19/176 , H04N19/147 , H04N19/134 , H04N19/102 , H04N19/103 , H04N19/154 , H04N19/166 , H04N19/19
CPC分类号： H04N19/89 , H04N19/102 , H04N19/103 , H04N19/134 , H04N19/147 , H04N19/154 , H04N19/166 , H04N19/176 , H04N19/19
摘要： A method of encoding an outgoing video stream comprising a plurality of frames, each frame comprising a plurality of image portions, the method including for each target image portion to be encoded, selecting a preferred one of a set of encoding modes by optimizing a function comprising an estimate of distortion and a measure of bit rate required to encode the target image portion; encoding the target image portion into the outgoing video stream using the selected encoding mode; and transmitting the encoded outgoing video stream over a lossy channel. The estimate of distortion comprises a first term representing source coding distortion, and a bias term representing an estimate of distortion that would be experienced due to loss over said channel. The bias term is determined based on a trained parameter trained based on a sample video stream.
摘要翻译：一种对包括多个帧的输出视频流进行编码的方法，每个帧包括多个图像部分，所述方法包括用于要编码的每个目标图像部分，通过优化包括以下各项的功能来选择一组编码模式中的优选的一个：失真的估计和编码目标图像部分所需的比特率的度量; 使用所选择的编码模式将目标图像部分编码为输出视频流; 以及通过有损的信道发送编码的输出视频流。失真的估计包括表示源编码失真的第一项和表示由于所述信道上的损失而将经历的失真估计的偏置项。偏置项是基于基于样本视频流训练的训练参数来确定的。

33. 发明授权

US08913661B2 Motion estimation using block matching indexing 有权
标题翻译：运动估计使用块匹配索引
公开(公告)号：US08913661B2
公开(公告)日：2014-12-16
申请号：US12838131
申请日：2010-07-16
申请人： Lazar Bivolarsky , Renat Vafin , Mattias Nilsson , Soren Vang Andersen
发明人： Lazar Bivolarsky , Renat Vafin , Mattias Nilsson , Soren Vang Andersen
IPC分类号： H04N7/12 , H04N11/02 , H04N11/04 , H04N19/61 , H04N19/59 , H04N19/46 , H04N19/146 , H04N19/105 , H04N19/48 , H04N19/176
CPC分类号： H04N19/115 , H04N19/105 , H04N19/107 , H04N19/119 , H04N19/146 , H04N19/176 , H04N19/46 , H04N19/48 , H04N19/59 , H04N19/61
摘要： A method of compressing video data, the method comprising: providing image data for each of a plurality of image portions; determining an index value for each of said image portions based on the respective image data; for a target image portion to be encoded, identifying a matching image portion having an index value within a search threshold of the index value of the target image portion; and generating difference data for the target image portion relative to the matching image portion, and including the difference data in an encoded video signal.
摘要翻译：一种压缩视频数据的方法，所述方法包括：为多个图像部分中的每一个提供图像数据; 基于各个图像数据确定每个所述图像部分的索引值; 对于要编码的目标图像部分，识别具有在目标图像部分的索引值的搜索阈值内的索引值的匹配图像部分; 以及针对所述目标图像部分相对于所述匹配图像部分生成差异数据，并且将所述差分数据包括在编码视频信号中。

34. 发明授权

US08908761B2 Video coding 有权
标题翻译：视频编码
公开(公告)号：US08908761B2
公开(公告)日：2014-12-09
申请号：US13274803
申请日：2011-10-17
申请人： Mattias Nilsson , Renat Vafin , Soren Vang Andersen
发明人： Mattias Nilsson , Renat Vafin , Soren Vang Andersen
IPC分类号： H04N7/12 , H04N11/02 , H04N11/04
CPC分类号： H04N19/65 , H04N19/107 , H04N19/166 , H04N19/17 , H04N19/176 , H04N19/503 , H04N19/61 , H04N19/89
摘要： A method comprising: encoding a video image at each of a plurality of frames, including by using inter frame encoding to encode at least portions of some of the frames, thereby generating an encoded video stream; transmitting the encoded video stream over a lossy channel to be decoded at a receiver to produce decoded video; and performing a recovery operation to refresh the encoding of the video image, cutting off error propagation that has occurred in the decoded video due to an effect of inter prediction in presence of loss over said channel; wherein the recovery operation is triggered by a report fed back from the receiver indicative of loss; and wherein the recovery operation is performed over a plural number of frames, refreshing the encoding of different partial frame regions at different respective frames.
摘要翻译：一种方法，包括：对多个帧中的每个帧处的视频图像进行编码，包括通过使用帧间编码来编码所述帧中的一些帧的至少部分，从而生成编码视频流; 通过有损的信道发送编码的视频流，以在接收机处解码以产生解码的视频; 并且执行恢复操作以刷新视频图像的编码，从而在存在所述信道上的丢失的情况下，切断由于帧间预测的影响而在解码视频中发生的误差传播; 其中所述恢复操作由从所述接收器反馈的指示丢失的报告触发; 并且其中所述恢复操作在多个帧上执行，在不同的相应帧处刷新不同部分帧区域的编码。

35. 发明授权

US08681873B2 Data compression for video 有权
标题翻译：视频的数据压缩
公开(公告)号：US08681873B2
公开(公告)日：2014-03-25
申请号：US12838159
申请日：2010-07-16
申请人： Lazar Bivolarsky , Mattias Nilsson , Renat Vafin , Soren Vang Andersen
发明人： Lazar Bivolarsky , Mattias Nilsson , Renat Vafin , Soren Vang Andersen
IPC分类号： H04N7/46
CPC分类号： H04N19/115 , H04N19/105 , H04N19/107 , H04N19/119 , H04N19/146 , H04N19/176 , H04N19/46 , H04N19/48 , H04N19/59 , H04N19/61
摘要： A method of transmitting video data from a transmitter to a receiver, the method comprising: receiving data values of a video signal at a higher resolution; at the transmitter, combining groups of the data values into one or more first units of a first lower-resolution arrangement; encoding and transmitting the first lower-resolution arrangement to the receiver; at the transmitter, combining groups of the data values into one or more second units of a second lower-resolution arrangement, wherein the second units are offset from the first units by a fractional shift such that each second unit partially overlaps with at least one first unit; encoding and transmitting the second lower-resolution arrangement to the receiver; and transmitting an indication of said shift to the receiver; and at the receiver, combining the first and second lower-resolution arrangements based on the indication so as to reconstruct an image of at least a higher resolution than that of the first and second lower-resolution arrangements.
摘要翻译：一种从发射机向接收机发送视频数据的方法，所述方法包括：以更高的分辨率接收视频信号的数据值; 在所述发射机处，将所述数据值的组合合为第一较低分辨率布置的一个或多个第一单元; 编码并将第一低分辨率布置传送到接收机; 在所述发射机处，将所述数据值的组合合为第二较低分辨率布置的一个或多个第二单元，其中所述第二单元通过分数位移偏离所述第一单元，使得每个第二单元部分地与至少一个第一单元单元; 将所述第二低分辨率装置编码并传送到所述接收机; 以及向所述接收机发送所述移位的指示; 并且在接收器处，基于所述指示组合所述第一和第二较低分辨率布置，以便重建比所述第一和第二较低分辨率布置的分辨率至少更高的分辨率的图像。

36. 发明申请

US20130100970A1 JITTER BUFFER 有权
标题翻译：抖动缓冲区
公开(公告)号：US20130100970A1
公开(公告)日：2013-04-25
申请号：US13594692
申请日：2012-08-24
申请人： Renat Vafin , Mattias Nilsson , Soren Vang Andersen , Andrei Jefremov
发明人： Renat Vafin , Mattias Nilsson , Soren Vang Andersen , Andrei Jefremov
IPC分类号： H04J3/06
CPC分类号： H04L65/80 , H04L1/0009 , H04L1/0017 , H04L1/0036 , H04L1/205 , H04N21/44004
摘要： Method, transmitter and computer program product for transmitting data of a real-time communication event from the transmitter to a jitter buffer of a receiver. Jitter buffer state information is received at the transmitter from the receiver, the jitter buffer state information indicating a state of the jitter buffer. At least one processing parameter is controlled based on the received jitter buffer state information, the at least one processing parameter describing how data is to be processed for transmission from the transmitter to the jitter buffer in the real-time communication event. Data is processed for transmission from the transmitter to the jitter buffer in accordance with the determined at least one processing parameter. The processed data is transmitted from the transmitter to the jitter buffer of the receiver in the real-time communication event.
摘要翻译：用于将实时通信事件的数据从发射机发射到接收机的抖动缓冲器的方法，发射机和计算机程序产品。抖动缓冲器状态信息在接收机的发射机处被接收，抖动缓冲器状态信息指示抖动缓冲器的状态。基于接收到的抖动缓冲器状态信息来控制至少一个处理参数，所述至少一个处理参数描述如何处理数据以便在实时通信事件中从发送器到抖动缓冲器的传输。处理数据以根据所确定的至少一个处理参数从发送器发送到抖动缓冲器。处理的数据在实时通信事件中从发送器发送到接收器的抖动缓冲器。

37. 发明申请

US20130044804A1 Video Coding 有权
标题翻译：视频编码
公开(公告)号：US20130044804A1
公开(公告)日：2013-02-21
申请号：US13274739
申请日：2011-10-17
申请人： Mattias Nilsson , Renat Vafin , Soren Vang Andersen
发明人： Mattias Nilsson , Renat Vafin , Soren Vang Andersen
IPC分类号： H04N7/26
CPC分类号： H04N7/50 , H04N7/5086 , H04N19/103 , H04N19/107 , H04N19/166 , H04N19/176 , H04N19/61 , H04N19/89
摘要： A method comprising: for each target image portion to be encoded in a frame, selecting one of a set of encoding modes by optimizing a function comprising an estimate of distortion for the target image portion and a measure of bit rate required to encode the target image portion, encoding the target image portion into the encoded video stream using the selected mode. The encoded video stream is transmitted over a lossy channel. An error propagation distortion map is maintained, which comprises a plurality of error propagation distortion values mapping to respective frame partitions, the error propagation distortion values being based on previous encoding mode selections. The estimate of distortion used to select the encoding mode for each of the target image portions is based on a corresponding portion from the error propagation distortion map, and that corresponding portion is constrained to being co-located with the target image portion.
摘要翻译：一种方法，包括：对于要在帧中编码的每个目标图像部分，通过优化包括所述目标图像部分的失真估计的函数和对所述目标图像进行编码所需的比特率的度量来选择一组编码模式中的一个部分，使用所选择的模式将目标图像部分编码成编码视频流。编码的视频流通过有损的信道传输。维持误差传播失真图，其包括映射到各个帧分区的多个误差传播失真值，误差传播失真值基于先前的编码模式选择。用于选择每个目标图像部分的编码模式的失真的估计基于来自误差传播失真图的对应部分，并且该对应部分被约束为与目标图像部分共处。

38. 发明授权

US08315164B2 Controlling packet transmission 有权
标题翻译：控制包传输
公开(公告)号：US08315164B2
公开(公告)日：2012-11-20
申请号：US12636156
申请日：2009-12-11
申请人： Christoffer Asgaard Rodbro , Soren Vang Andersen , Koen Bernard Vos
发明人： Christoffer Asgaard Rodbro , Soren Vang Andersen , Koen Bernard Vos
IPC分类号： G01R31/08
CPC分类号： H04L41/0896 , H04L47/10 , H04L47/15 , H04L47/18 , H04L47/263 , H04L65/80 , H04L69/28
摘要： A method, program and apparatus for estimating a bandwidth of a channel from a transmitter to a receiver. The method comprises: receiving a packet stream at the receiver from the transmitter; receiving from the transmitter an indication of data transmitted from the transmitter to one or more other recipients than said receiver between packets of said packet stream; and determining at the receiver, using said indication, an estimate of the bandwidth of said channel. The estimate may enable transmission of packets from the transmitter to be controlled.
摘要翻译：一种用于估计从发射机到接收机的信道的带宽的方法，程序和装置。该方法包括：从发射机在接收机处接收分组流; 从所述发射机接收从所述分组流的分组之间从所述发射机发送到一个或多个其他接收者的数据的指示; 以及使用所述指示在所述接收机处确定所述信道的带宽的估计。该估计可以使来自发射机的分组的传输能够被控制。

39. 发明授权

US08289979B2 Optimising communications 有权
标题翻译：优化通讯
公开(公告)号：US08289979B2
公开(公告)日：2012-10-16
申请号：US12660081
申请日：2010-02-19
申请人： Magnus Hiie , Soren Vang Andersen , Ahti Heinla , Silver Keskküla
发明人： Magnus Hiie , Soren Vang Andersen , Ahti Heinla , Silver Keskküla
IPC分类号： H04L12/28 , H04L12/56
CPC分类号： H04L45/00 , H04L12/1822 , H04L45/16 , H04L45/64 , H04L67/104 , H04L67/1053 , H04L67/1074
摘要： A method, system and program for routing a data stream amongst a plurality of network nodes including at least a plurality of end-user nodes. The method comprises: establishing a plurality of routes for the stream to a plurality of consuming end-user nodes, including at least one route via one or more relaying nodes; at each of a plurality of optimizing nodes, executing an optimization algorithm to determine a respective routing modification by evaluating a routing criterion with respect to a collection of end-user nodes which share information with the respective optimizing node and determining a change in the routing criterion that would result from one or more potential routing modifications. The different optimizing nodes' collections of end-user nodes are at least partially coincident such that each optimizing node can determine a different routing modification with respect to at least some of the same end-user nodes.
摘要翻译：一种用于在包括至少多个最终用户节点的多个网络节点之间路由数据流的方法，系统和程序。该方法包括：通过一个或多个中继节点向多个消费的最终用户节点建立流的多条路由，包括至少一条路由; 在多个优化节点中的每一个处，执行优化算法以通过评估相对于与相应优化节点共享信息的最终用户节点的集合的路由标准来确定相应的路由修改，并且确定路由准则的变化这将导致一个或多个潜在的路由修改。最终用户节点的不同优化节点的集合至少部分重合，使得每个优化节点可以针对至少一些相同的最终用户节点确定不同的路由修改。

40. 发明申请

US20120231747A1 Controlling Power Saving Mode In Radio 有权
标题翻译：在无线电中控制省电模式
公开(公告)号：US20120231747A1
公开(公告)日：2012-09-13
申请号：US13043125
申请日：2011-03-08
申请人： Mingyu Chen , Christoffer Rodbro , Soren Vang Andersen
发明人： Mingyu Chen , Christoffer Rodbro , Soren Vang Andersen
IPC分类号： H04B7/00
CPC分类号： H04W52/0258 , H04M1/2535 , Y02D70/1242 , Y02D70/1244 , Y02D70/1262 , Y02D70/142 , Y02D70/146 , Y02D70/23 , Y02D70/24 , Y02D70/25
摘要： The disclosure relates to controlling the operational mode of a radio in a wireless device, with an aim to reducing power consumption. A method of controlling the operational mode of a radio in a wireless device, includes executing at least one application, that provides access information for use by radio control logic to determine an operational mode of a radio, where the said access information defines usage of the radio by that application.
摘要翻译：本公开涉及控制无线设备中的无线电的操作模式，目的是减少功耗。一种控制无线设备中的无线电的操作模式的方法包括执行至少一个应用，该应用提供访问信息以供无线电控制逻辑使用以确定无线电的操作模式，其中所述访问信息定义收音机。

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