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41. 发明申请

US20080101409A1 PACKETIZATION 审中-公开
标题翻译：包装
公开(公告)号：US20080101409A1
公开(公告)日：2008-05-01
申请号：US11553463
申请日：2006-10-26
申请人： Matthew J. West , Paul S. Everest , John G. Apostolopoulos , Susie J. Wee
发明人： Matthew J. West , Paul S. Everest , John G. Apostolopoulos , Susie J. Wee
IPC分类号： H04J3/24
CPC分类号： H04L29/06027 , H04L47/2416 , H04L65/4076 , H04L65/607 , H04L65/80
摘要： A method and apparatus analyze a compressed image code stream to determine logical boundaries of segments and parse the data stream into packets, wherein the packets are configured to reduce a number of partial logical segments in individual packets
摘要翻译：方法和装置分析压缩图像码流以确定段的逻辑边界并将数据流解析成分组，其中分组被配置为减少单个分组中的部分逻辑段的数量

42. 发明申请

US20080025206A1 Data packet processing 审中-公开
标题翻译：数据包处理
公开(公告)号：US20080025206A1
公开(公告)日：2008-01-31
申请号：US11880302
申请日：2007-07-20
申请人： Ying-zong Huang , John G. Apostolopoulos
发明人： Ying-zong Huang , John G. Apostolopoulos
IPC分类号： H03M13/05
CPC分类号： H04L1/0009 , H04L1/0014 , H04L1/0019 , H04L1/007
摘要： Data packet processing is described. A set of first data packets comprising hierarchically encoded data is accessed. A number of the first data packets are identified as candidate data packets to be potentially transmitted over a network to a receiver based at least in part on the hierarchically encoded data. The number of candidate data packets is then reduced based at least in part on the hierarchically encoded data so that a number of second data packets comprising error correction information for one or more of the first data packets can be increased.
摘要翻译：描述数据包处理。访问包括分层编码数据的一组第一数据分组。至少部分地基于分层编码数据，将多个第一数据分组识别为可能通过网络潜在地发送到接收机的候选数据分组。至少部分地基于分层编码数据来减少候选数据分组的数量，使得可以增加包括用于一个或多个第一数据分组的纠错信息的多个第二数据分组。

43. 发明授权

US07103669B2 Video communication method and system employing multiple state encoding and path diversity 有权
公开(公告)号：US07103669B2
公开(公告)日：2006-09-05
申请号：US09784223
申请日：2001-02-16
申请人： John G. Apostolopoulos
发明人： John G. Apostolopoulos
IPC分类号： G06F15/16
CPC分类号： H04L65/607 , H04L1/06 , H04L29/06 , H04L29/06027 , H04L69/14 , H04N19/37 , H04N19/89 , H04N19/895 , H04N21/2343 , H04N21/234327 , H04N21/234381 , H04N21/2402 , H04N21/2662 , H04N21/44209 , H04N21/631 , H04N21/6377 , H04N21/658 , H04N21/6582
摘要： Video communication over lossy packet networks such as the Internet is hampered by limited bandwidth and packet loss. The present invention provides a system for providing reliable video communication over these networks, where the system includes at least two jointly designed subsystems: (1) multiple state video coding system and (2) path diversity transmission system. Multiple state video coding combats the problem of error propagation that results from packet loss by coding the video into multiple independently decodable streams, each with its own prediction process and state. If one stream is lost the other streams can still be decoded to produce usable video, and furthermore, the correctly received streams provide bidirectional (i.e., previous and future) information that enables improved state recovery for the corrupted stream. The path diversity transmission system explicitly sends different subsets of packets over different paths, as opposed to the prior art approaches where the packets proceed along a single path. By explicitly sending different subsets of packets over different paths, the path diversity transmission system enables the end-to-end video application to effectively see an average path behavior, which is referred to herein as path diversity. Generally, seeing this average path behavior provides better performance than seeing the behavior of any individual random path. The resulting path diversity provides the multiple state video decoder with an appropriate virtual channel to assist in recovering from lost packets, and can also simplify system design (e.g., forward error correction design).

44. 发明授权

US07075460B2 Methods for scaling encoded data without requiring knowledge of the encoding scheme 有权
标题翻译：用于缩放编码数据而不需要知道编码方案的方法
公开(公告)号：US07075460B2
公开(公告)日：2006-07-11
申请号：US10779120
申请日：2004-02-13
申请人： John G. Apostolopoulos , Susie J. Wee
发明人： John G. Apostolopoulos , Susie J. Wee
IPC分类号： H03M7/00 , G06F15/16
CPC分类号： H04N21/435 , H04N19/40 , H04N19/63 , H04N21/2343 , H04N21/2347 , H04N21/235 , H04N21/23614 , H04N21/2662 , H04N21/4348 , H04N21/4405 , H04N21/8455
摘要： Methods for scaling (e.g., transcoding) data are described. A sequence of encoded data is accessed. The encoded data are organized according to an encoding scheme that was used to encode the data. A value for a scalable attribute is ascertained. The scalable attribute identifies how the encoded data are to be scaled. A reference to segments of encoded data associated with the scalable attribute is accessed. The reference is beyond the syntax of the encoding scheme. The reference is used to locate the segments in the sequence of encoded data. The segments are found without requiring knowledge by the device of the encoding scheme. A scaled version of the encoded data is created using the segments.
摘要翻译：描述用于缩放（例如，代码转换）数据的方法。访问编码数据序列。编码数据根据用于编码数据的编码方案进行组织。确定可伸缩属性的值。可伸缩属性标识编码数据的缩放方式。访问与可伸缩属性相关联的编码数据的段的引用。该参考超出了编码方案的语法。该参考用于定位编码数据序列中的段。在不需要编码方案的设备的知识的情况下，找到这些段。使用片段创建编码数据的缩放版本。

45. 发明授权

US06678329B2 Client-assisted motion estimation for client-server video communication 有权
标题翻译：客户端 - 服务器视频通信的客户端辅助运动估计
公开(公告)号：US06678329B2
公开(公告)日：2004-01-13
申请号：US09760693
申请日：2001-01-16
申请人： John G. Apostolopoulos
发明人： John G. Apostolopoulos
IPC分类号： H04B166
CPC分类号： H04N21/25808 , H04N19/51 , H04N21/6377 , H04N21/658
摘要： A system and method for client-assisted motion estimation for client-server video communication is disclosed. The present invention includes the steps of receiving a request to update a current set of pixels within a video display on a client computer, and generating a motion vector for moving the current set of pixels within the video display using video information obtained only from the request and the client computer. In addition to sets of pixels, the present invention operates as well on objects, blocks and frames of video information.
摘要翻译：公开了一种用于客户端 - 服务器视频通信的客户机辅助运动估计的系统和方法。本发明包括以下步骤：接收更新客户端计算机上的视频显示内的当前像素组的请求，并且生成用于使用仅从请求获得的视频信息来移动视频显示内的当前像素组的运动矢量和客户端计算机。除了像素组之外，本发明还对视频信息的对象，块和帧进行操作。

46. 发明授权

US06611530B1 Video communication using multiple streams 有权
标题翻译：使用多个流的视频通信
公开(公告)号：US06611530B1
公开(公告)日：2003-08-26
申请号：US09400416
申请日：1999-09-21
申请人： John G. Apostolopoulos
发明人： John G. Apostolopoulos
IPC分类号： H04N726
CPC分类号： H04N21/658 , H04N19/39 , H04N19/436 , H04N19/577 , H04N19/895 , H04N21/6377
摘要： A video communication system that uses multiple streams to carry digital video. The use of multiple streams ensures that errors in one or more of the multiple streams do not prevent reconstruction of remaining ones of the multiple streams. This enables an error free display of the digital video at a reduced frame rate during the loss of a subset of the streams. In addition, the multiple streams provide past and future frames that may be used to recover lost frames and thereby recover the lost stream.
摘要翻译：使用多个流携带数字视频的视频通信系统。使用多个流确保多个流中的一个或多个流中的错误不会阻止多个流中剩余的流的重构。这使得能够在丢失流的子集期间以降低的帧速率对数字视频进行无错误的显示。此外，多个流提供过去和将来的帧，其可用于恢复丢失的帧，从而恢复丢失的流。

47. 发明授权

US06577679B1 Method and apparatus for transcoding coded picture signals from object-based coding to block-based coding 有权
标题翻译：将编码图像信号从基于对象的编码转换为基于块的编码的方法和装置
公开(公告)号：US06577679B1
公开(公告)日：2003-06-10
申请号：US09409935
申请日：1999-09-30
申请人： John G. Apostolopoulos
发明人： John G. Apostolopoulos
IPC分类号： H04B166
CPC分类号： H04N19/59 , H04N19/132 , H04N19/17 , H04N19/176 , H04N19/18 , H04N19/21 , H04N19/40 , H04N19/436 , H04N19/553
摘要： A coded object-based picture signal representing a picture is transcoded to a coded block-based picture signal representing the picture by culling signal portions that represent objects not visible in the picture from the coded object-based picture signal to generate a culled object-based picture signal. Portions of the culled object-based picture signal are partially decoded and from them are generated blocks of a partially-coded block-based picture signal in which the blocks have different coding states. Finally, the blocks of the partially-coded block-based picture signal are re-encoded to generate the coded block-based picture signal in which the blocks have a uniform coding state.
摘要翻译：表示图像的基于编码对象的图像信号被代码转换成表示图像的基于编码的基于块的图像信号，该编码的基于图像的图像信号通过从编码的基于对象的图像信号中剔除表示图像中不可见的对象的信号部分来生成基于对象图片信号。被剔除的基于对象的图像信号的部分被部分地解码，并且从其中生成部分编码的基于块的图像信号的块，其中块具有不同的编码状态。最后，对部分编码的基于块的图像信号的块进行重新编码，以产生编码的基于块的图像信号，其中块具有均匀的编码状态。

48. 发明授权

US06553150B1 Image sequence compression featuring independently coded regions 有权
标题翻译：具有独立编码区域的图像序列压缩
公开(公告)号：US06553150B1
公开(公告)日：2003-04-22
申请号：US09557797
申请日：2000-04-25
申请人： Susie J. Wee , John G. Apostolopoulos , Marc P. Schuyler
发明人： Susie J. Wee , John G. Apostolopoulos , Marc P. Schuyler
IPC分类号： G06K936
CPC分类号： H04N19/577 , H04N19/132 , H04N19/17 , H04N19/186 , H04N19/40 , H04N19/467 , H04N19/48 , H04N19/55 , H04N19/587 , H04N19/90
摘要： In a MPEG or other video coding system, regions of each frame may be independently coded for later, independent extraction or processing directly from a compressed bit stream. An encoder/transcoder receives raw video, standard compressed video or compressed video already having independently coded regions (“ICRs”) that are to be edited in some manner. The encoder/transcoder permits user creation of regions, and provides automatic tracking features to identify and select those objects or regions through multiple frames (notwithstanding object movement). The encoder/transcoder re-uses as much compressed input data as is available in generating an output, and so, may be used for real-time encoding and editing processes. To this effect, the encoder/transcoder re-uses original bit stream data as well as original or new motion vector data in compiling an output, or any mix of them as appropriate.
摘要翻译：在MPEG或其他视频编码系统中，每个帧的区域可以被独立地编码，用于直接从压缩比特流进行后续独立的提取或处理。编码器/代码转换器以某种方式接收原始视频，标准压缩视频或已经具有独立编码区域（“ICR”）的压缩视频。编码器/代码转换器允许用户创建区域，并提供自动跟踪功能，以通过多个帧（尽管物体移动）来识别和选择这些对象或区域。编码器/代码转换器重复使用与生成输出时相同的压缩输入数据，因此可用于实时编码和编辑过程。为此，编码器/代码转换器在编译输出时，重新使用原始比特流数据以及原始或新的运动矢量数据，或者适当的任何混合。

49. 发明授权

US06507618B1 Compressed video signal including independently coded regions 有权
标题翻译：包含独立编码区域的压缩视频信号
公开(公告)号：US06507618B1
公开(公告)日：2003-01-14
申请号：US09558079
申请日：2000-04-25
申请人： Susie J. Wee , John G. Apostolopoulos
发明人： Susie J. Wee , John G. Apostolopoulos
IPC分类号： H04N718
CPC分类号： H04N21/44016 , H04N19/107 , H04N19/124 , H04N19/132 , H04N19/159 , H04N19/162 , H04N19/17 , H04N19/172 , H04N19/174 , H04N19/40 , H04N19/46 , H04N19/55 , H04N19/61 , H04N21/23424
摘要： In a MPEG or other video system, regions of each frame may be independently coded for later, independent extraction directly from a compressed bit stream. An encoder/transcoder receives raw video, standard compressed video or compressed video already having independently coded regions (“ICRs”) that are to be edited in some manner. A resultant signal may be used downstream for logo insertion or other video editing or processing without having to completely decode the entirety of each frame of a video sequence; rather, only those portions upon which editing or processing is to be performed are decoded. Once modified, substitute data may be inserted back into the compressed bit stream to take the place of decoded, edited data.
摘要翻译：在MPEG或其他视频系统中，每个帧的区域可以被独立地编码，用于直接从压缩比特流进行随后的独立提取。编码器/代码转换器以某种方式接收原始视频，标准压缩视频或已经具有独立编码区域（“ICR”）的压缩视频。结果信号可以用于下游用于徽标插入或其他视频编辑或处理，而不必完全解码视频序列的每个帧的整体; 相反，只有要进行编辑或处理的那些部分被解码。一旦修改，替代数据可以被插回到压缩比特流中以代替解码的编辑数据。

50. 发明授权

US5850294A Method and apparatus for post-processing images 失效
标题翻译：用于后处理图像的方法和装置
公开(公告)号：US5850294A
公开(公告)日：1998-12-15
申请号：US573705
申请日：1995-12-18
申请人： John G. Apostolopoulos , Nuggehally Sampath Jayant
发明人： John G. Apostolopoulos , Nuggehally Sampath Jayant
IPC分类号： G06T9/00 , H04N1/41 , H04N7/26 , H04N7/30 , H04N1/415
CPC分类号： H04N19/527 , H04N19/86
摘要： The invention is an image transmitting method and system including receiving encoded images, decoding those images and post-processing the decoded images. The post-processing reduces visual artifacts, such as blocking artifacts and mosquito noise, through separate detection, mapping and smoothing operations while avoiding many of the complexities associated with existing techniques. In detecting blocking artifacts, the inventive method employs DCT-domain detection rather than edge detection in the pixel domain. Also, the interior of a detected block is updated based on the surrounding blocks without disturbing the surrounding blocks. In reducing mosquito noise, the inventive method smooths the non-edge pixels within blocks containing edge pixels rather than smoothing the edge pixels. Also, distortion-induced false edge pixels are distinguished from true edge pixels and heavily smoothed. The post-processing method and system is generally applicable to Block DCT based compression systems, either intrinsically or extrinsically.
摘要翻译：本发明是一种图像发送方法和系统，包括接收编码图像，解码那些图像并对解码的图像进行后处理。后处理通过单独的检测，映射和平滑操作来减少视觉伪像，例如阻塞伪像和蚊式噪声，同时避免与现有技术相关的许多复杂性。在检测到块伪影时，本发明的方法在像素域中采用DCT域检测而不是边缘检测。此外，基于周围的块来更新检测块的内部，而不干扰周围的块。在减少蚊子噪声方面，本发明的方法平滑了包含边缘像素的块内的非边缘像素，而不是平滑边缘像素。此外，失真诱发的假边缘像素与真实边缘像素区分开，并且被大量平滑化。后处理方法和系统通常适用于本质上或外在的基于块DCT的压缩系统。

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