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61. 发明授权

US06704363B1 Apparatus and method for concealing error in moving picture decompression system 失效
标题翻译：运动图像减压系统隐藏误差的装置和方法
公开(公告)号：US06704363B1
公开(公告)日：2004-03-09
申请号：US09586593
申请日：2000-06-02
申请人： Eung Tae Kim
发明人： Eung Tae Kim
IPC分类号： H04B166
CPC分类号： H04N19/895 , H04N19/117 , H04N19/157 , H04N19/176 , H04N19/61
摘要： An apparatus and method for concealing error in moving picture decompression system is disclosed. The present invention predicts motion vectors of a damaged block from motion information of a previous block and an upper block adjacent to the damaged block when an error occurs, and compensate the damaged block. Therefore, the error concealment apparatus and method compensates for and maintains good picture quality at the receiving terminal against errors occurring in a channel.
摘要翻译：公开了一种用于隐藏运动图像解压缩系统中的误差的装置和方法。本发明在发生错误时，根据前一块的运动信息和与损坏的块相邻的上部块的运动信息来预测损坏的块的运动矢量，并补偿损坏的块。因此，错误隐藏装置和方法在接收终端补偿并保持良好的图像质量，以防止在信道中发生的错误。

62. 发明授权

US06704359B1 Efficient encoding algorithms for delivery of server-centric interactive program guide 有权
标题翻译：高效的编码算法，用于交付以服务器为中心的交互式节目指南
公开(公告)号：US06704359B1
公开(公告)日：2004-03-09
申请号：US09602547
申请日：2000-06-21
申请人： Sadik Bayrakeri , Donald F. Gordon , Edward A. Ludvig , John P. Comito , Jeremy S. Edmonds , Eugene Gershtein
发明人： Sadik Bayrakeri , Donald F. Gordon , Edward A. Ludvig , John P. Comito , Jeremy S. Edmonds , Eugene Gershtein
IPC分类号： H04B166
CPC分类号： H04N21/4347 , H04N5/44543 , H04N5/44591 , H04N5/45 , H04N7/163 , H04N7/165 , H04N19/00 , H04N19/577 , H04N21/23424 , H04N21/23608 , H04N21/23614 , H04N21/2365 , H04N21/4143 , H04N21/4344 , H04N21/4348 , H04N21/44016 , H04N21/4532 , H04N21/482 , H04N21/4821 , H04N21/6547 , H04N21/84
摘要： A data structure for representing program data that includes a number of streams. Each stream comprises a group of pictures (GOP) having a first picture and remaining pictures. The data structure includes a first set of one or more elements for representing data for the first pictures in the GOPs, and a second set of one or more elements for representing data for the remaining pictures in the GOPs. At least one element in the first set represents data for the first picture of at least one respective GOP, with each such first picture having been encoded as a reference I picture. Each remaining element (if any) in the first set represents data for the first picture of a respective remaining GOP, with each such remaining first picture having been encoded as either a difference picture or a P picture. Each element in the second set represents data for a particular remaining picture in one of the GOPs, with each such remaining picture having been encoded as either a P or B picture. Each stream is represented by one or more elements in the first set and one or more elements in the second set.
摘要翻译：一种用于表示包括多个流的程序数据的数据结构。每个流包括具有第一图像和剩余图像的一组图像（GOP）。数据结构包括用于表示GOP中的第一图像的数据的一个或多个元素的第一组，以及用于表示GOP中剩余图像的数据的一个或多个元素的第二组。第一组中的至少一个元素表示至少一个相应GOP的第一图像的数据，其中每个这样的第一图像已被编码为参考I图像。第一组中的每个剩余元素（如果有的话）表示相应剩余GOP的第一图像的数据，其中每个这样的剩余第一图像已被编码为差分图像或P图像。第二组中的每个元素表示GOP中的一个中的特定剩余图像的数据，其中每个这样的剩余图像已经被编码为P图像或B图像。每个流由第一组中的一个或多个元素和第二组中的一个或多个元素表示。

63. 发明授权

US06687299B2 Motion estimation method and apparatus for interrupting computation which is determined not to provide solution 有权
标题翻译：用于中断计算的运动估计方法和装置，其被确定为不提供解决方案
公开(公告)号：US06687299B2
公开(公告)日：2004-02-03
申请号：US09261171
申请日：1999-03-03
申请人： Toyohiko Yoshida , Kazuya Ishihara , Yoshinori Matsuura , Tetsuya Matsumura , Vasily Moshnyaga
发明人： Toyohiko Yoshida , Kazuya Ishihara , Yoshinori Matsuura , Tetsuya Matsumura , Vasily Moshnyaga
IPC分类号： H04B166
CPC分类号： H04N5/145 , G06T7/238 , G06T2207/10016 , H04N19/51 , H04N19/557
摘要： A motion estimation method capable of setting an optimum threshold value and allowing high speed processing includes the steps of: sequentially selecting one of blocks to be searched from a search range; sequentially calculating a difference between corresponding sample values of a reference block and one of blocks to be searched and accumulating an absolute value of difference; comparing an intermediate result of an accumulation value and a prescribed threshold value for a prescribed number of samples and interrupting the step of accumulating the absolute value of difference when the intermediate result exceeds the prescribed threshold value; and making one of blocks to be searched having a minimum final result of the accumulation value correspond to the reference block. The prescribed threshold value is dependent on the reference block. It is noted that the motion estimation apparatus is also disclosed.
摘要翻译：能够设定最佳阈值并允许高速处理的运动估计方法包括以下步骤：从搜索范围顺序选择要搜索的块之一; 顺序地计算参考块的对应样本值与要搜索的块中的一个的差值，并累加差值的绝对值; 比较规定数量样本的累积值和规定阈值的中间结果，并且当中间结果超过规定阈值时中断累积差分绝对值的步骤; 并且使具有累积值的最小最终结果的要搜索的块之一对应于参考块。规定的阈值取决于参考块。注意，还公开了运动估计装置。

64. 发明授权

US06687297B2 Video encoding 失效
标题翻译：视频编码
公开(公告)号：US06687297B2
公开(公告)日：2004-02-03
申请号：US09773154
申请日：2001-01-31
申请人： Wilhelmus Hendrikus Alfonsus Brüls
发明人： Wilhelmus Hendrikus Alfonsus Brüls
IPC分类号： H04B166
CPC分类号： H04N19/577 , H04N19/423 , H04N19/433 , H04N19/53 , H04N19/56 , H04N19/61
摘要： To efficiently use space capacity and to provide accurate motion vectors for P-pictures, a two-pass search in a P-coding mode of an MPEG encoder is run so that the second pass refines the precision of motion vectors found in the first pass. Within a frame encoding period, the first pass coincides with the time interval used by a known MPEG video encoder in encoding B-pictures to search forward motion vectors with respect to a prior image, and, within the frame encoding period, the second pass coincides with searching backward motion vectors with respect to a subsequent image.
摘要翻译：为了有效地使用空间容量并为P图像提供精确的运动矢量，运行MPEG编码器的P编码模式的双遍搜索，使得第二遍优化在第一遍中发现的运动矢量的精度。在帧编码周期内，第一遍与已知的MPEG视频编码器在编码B图像中使用的时间间隔相对于先前图像搜索前向运动矢量，并且在帧编码周期内，第二遍重合相对于后续图像搜索向后运动矢量。

65. 发明授权

US06668016B1 Moving image coding method and apparatus, and moving image coding and decoding system 失效
标题翻译：运动图像编码方法和装置，以及运动图像编码和解码系统
公开(公告)号：US06668016B1
公开(公告)日：2003-12-23
申请号：US09568994
申请日：2000-05-11
申请人： Yasuhiko Watanabe , Hiroaki Aono
发明人： Yasuhiko Watanabe , Hiroaki Aono
IPC分类号： H04B166
CPC分类号： H04N19/17 , H04N19/107 , H04N19/119 , H04N19/174
摘要： A moving image coding method and its apparatus are disclosed, in which a frame of input image is divided into N regions so that each boundary may be short, one of the divided regions is selected in an arbitrary sequence in every frame to be coded, the coding mode is determined as intra-frame coding in this selected region, and the coding mode is determined by the characteristic of the frame image in other regions so as to code according to this coding mode.
摘要翻译：公开了一种运动图像编码方法及其装置，其中输入图像的帧被划分为N个区域，使得每个边界可能短，在每个要编码的帧中以任意顺序选择一个划分区域，编码模式被确定为该选择区域中的帧内编码，并且编码模式由其他区域中的帧图像的特性确定，以便根据该编码模式进行编码。

66. 发明授权

US06661838B2 Image processing apparatus for detecting changes of an image signal and image processing method therefor 失效
标题翻译：用于检测图像信号的变化的图像处理装置及其图像处理方法
公开(公告)号：US06661838B2
公开(公告)日：2003-12-09
申请号：US08651348
申请日：1996-05-22
申请人： Shinichiro Koga , Yoshihiro Ishida
发明人： Shinichiro Koga , Yoshihiro Ishida
IPC分类号： H04B166
CPC分类号： H04N5/147 , G06T7/254 , H04N5/144 , H04N7/188
摘要： In one aspect, an image processing apparatus inputs an input image signal and detecting whether or not there is a frame change in an image by comparing the input image signal with a reference image signal. A memory is used for updating the reference image signal by storing the input image signal as the reference image signal in units of frames when there is a frame change. In another aspect, the image processing apparatus extracts change components between images by comparing the input image signal with the reference image signal, the reference image signal being an earlier input signal when a most recent prior change component was extracted. The extracted change components are corrected by detecting and removing an erroneously extracted change component, and an image change is discriminated in the input image signal on the basis of the change components as corrected.
摘要翻译：一方面，图像处理装置通过将输入图像信号与参考图像信号进行比较来输入输入图像信号并检测图像中是否存在帧变化。当存在帧改变时，存储器通过以帧为单位存储输入图像信号作为参考图像信号来更新参考图像信号。在另一方面，图像处理装置通过将输入图像信号与参考图像信号进行比较来提取图像之间的变化分量，当提取最近的先前变化分量时，参考图像信号是较早的输入信号。通过检测和去除错误提取的改变分量来校正所提取的改变分量，并且基于校正的改变分量在输入图像信号中区分图像变化。

67. 发明授权

US06658056B1 Digital video decoding, buffering and frame-rate converting method and apparatus 失效
标题翻译：数字视频解码，缓冲和帧率转换方法和装置
公开(公告)号：US06658056B1
公开(公告)日：2003-12-02
申请号：US09281013
申请日：1999-03-30
申请人： Cem I. Duruöz , Taner Ozcelik , Yoshinori Shimizu
发明人： Cem I. Duruöz , Taner Ozcelik , Yoshinori Shimizu
IPC分类号： H04B166
CPC分类号： H04N7/01 , H04N19/102 , H04N19/152 , H04N19/174 , H04N19/176 , H04N19/42 , H04N19/423 , H04N19/427 , H04N19/44 , H04N19/61 , H04N19/85
摘要： A digital video presentation system is provided with a decoder to decode full frame MPEG-2 video by a single method that applies regardless of buffer memory and frame rate conversion considerations. A display control module handles frame rate and field sequence in response to host configuration, particularly buffer memory size and display type (NTSC or PAL), to host trick play command signals, and to information in the received bitstream. Pictures are decoded as buffer memory for the decoded pictures becomes available, and picture display attributes are assigned and stored in a table, one string for each decoded picture. Field display logic is informed of the to memory address of the next field to be displayed along with the attributes needed for affecting proper field display sequence, and flagging whether the memory is to be freed for use by the decoder as the field is being displayed and whether the decoder is to decode the next picture as the field is being displayed. Where memory is small, opposite field data can be output. Field sequence order is provided for output buffers in the range of from 0.53 to 0.67 frames in size, or a full frame in size. Buffer memory is optimized by maintaining tables of offset variables and accessing a fixed table of memory pointers as fields of data are being displayed. The offset data tables are identified to the display logic, which uses the data in the specified offset table to address rows of memory in which the consecutive rows of particular field to be displayed are stored. The decoder loads offset values into the offset tables as pictures are being decoded and rows of blocks of the picture are stored as memory becomes free.
摘要翻译：数字视频呈现系统具有解码器，通过采用单独的方法解码全帧MPEG-2视频，无论缓冲存储器和帧速率转换考虑如何。显示控制模块响应于主机配置，特别是缓冲存储器大小和显示类型（NTSC或PAL）来处理帧速率和场序列，以托管特技播放命令信号以及接收到的比特流中的信息。图像被解码为用于解码图像的缓冲存储器变得可用，并且图像显示属性被分配并存储在表中，每个解码图像是一个字符串。通知现场显示逻辑将要显示的下一个字段的存储器地址以及影响正确的字段显示顺序所需的属性，并标记该存储器是否被释放以供解码器使用，因为该字段正在显示，解码器是否在显示字段时对下一个图像进行解码。在内存小的情况下，可以输出相对的场数据。为输出缓冲区提供了大小为0.53到0.67帧的大小或整个帧的字段序列顺序。通过在显示数据字段的同时维护偏移变量表和访问内存指针的固定表来优化缓冲存储器。偏移数据表被识别到显示逻辑，显示逻辑使用指定的偏移表中的数据来寻址存储要显示的特定字段的连续行的存储行。当解码图像时，解码器将偏移量加载到偏移表中，并且当存储器空闲时，存储图像的块的行。

68. 发明授权

US06633613B1 Digital circuit for formatting and compressing radar video data 失效
标题翻译：用于格式化和压缩雷达视频数据的数字电路
公开(公告)号：US06633613B1
公开(公告)日：2003-10-14
申请号：US09586602
申请日：2000-06-02
申请人： Christian L. Houlberg
发明人： Christian L. Houlberg
IPC分类号： H04B166
CPC分类号： H04N19/90
摘要： A digital circuit for compressing video data generated by a missile's seeker. The digital circuit includes a frame controller and a video compression engine. The frame controller generates each frame of data with each frame of data having eight subframes of one thousand eight bit words. The compression engine receives approximately sixty four scans of video data with each scan having 4000 samples of video data. The compression engine receives the first scan of video data from the missile's seeker and then writes the scan of video data to an external memory which is a static RAM. The compression engine adds each successive scan of video data to the previous scans to provide a total scan value for each sample of video data. The compression engine obtains an average value for each sample of video data by performing a binary shift. The compression engine also provides a peak value for each of the 4000 samples of video data. The frame controller then generates the eight subframes of video data with alternating bytes comprising peak video data and average video data. The frame controller also provides three bytes of frame sync, one byte of sub-frame identification and one byte representing frame count. One byte representing scan count for each subframe is generated by the compression engine.
摘要翻译：用于压缩由导弹的探测器产生的视频数据的数字电路。数字电路包括帧控制器和视频压缩引擎。帧控制器生成每帧数据，每帧数据具有八千位八字的八个子帧。压缩引擎接收大约六十四个视频数据扫描，每个扫描具有4000个视频数据样本。压缩引擎从导弹的探测器接收视频数据的第一次扫描，然后将视频数据的扫描写入作为静态RAM的外部存储器。压缩引擎将视频数据的每个连续扫描添加到先前的扫描，以提供每个视频数据样本的总扫描值。压缩引擎通过执行二进制移位来获得每个视频数据样本的平均值。压缩引擎还为4000个视频数据样本中的每一个提供峰值。帧控制器随后产生具有包括峰值视频数据和平均视频数据的交替字节的八个视频数据子帧。帧控制器还提供三个字节的帧同步，一个字节的子帧标识和一个字节表示帧计数。表示每个子帧的扫描计数的一个字节由压缩引擎生成。

69. 发明授权

US06618446B1 Apparatus and method of data reconstruction 有权
标题翻译：数据重建的装置和方法
公开(公告)号：US06618446B1
公开(公告)日：2003-09-09
申请号：US09449635
申请日：1999-11-30
申请人： Hayato Nakao
发明人： Hayato Nakao
IPC分类号： H04B166
CPC分类号： H04N19/42 , H04N19/44
摘要： Original data is reconstructed from an MPEG (Moving Picture Experts Group) bitstream including at least one elementary layer bitstream. The elementary layer bitstream is made of an upper layer bitstream and a plurality of lower layer bitstreams that follow the upper layer bitstream. A start code added to a header of the MPEG bitstream is detected to generate a start code detection signal. Control packets are generated when it is judged, in response to the detection signal, that the detected start code is added to the header of the upper layer bitstream. The control packets carry information on reconstruction of the original data that has been coded into the lower layer bitstreams. The lower layer bitstreams are processed according to the control packets to reconstruct the original data. The start code judgement and the control packet generation are achieved by software. On the other hand, the lower layer bitstream processing is achieved by wired-logic circuitry.
摘要翻译：从包括至少一个基本层比特流的MPEG（运动图像专家组）比特流重建原始数据。基本层比特流由上层比特流和跟随上层比特流的多个下层比特流组成。检测添加到MPEG比特流的头部的起始码以产生起始码检测信号。当响应于检测信号判断检测到的起始码被添加到上层比特流的头部时，产生控制分组。控制分组携带已经被编码为较低层比特流的原始数据的重建信息。根据控制分组处理下层比特流以重构原始数据。通过软件实现起始码判断和控制包生成。另一方面，下层比特流处理通过有线逻辑电路实现。

70. 发明授权

US06618437B1 Digital broadcasting receiver and digital broadcasting system 有权
标题翻译：数字广播接收机和数字广播系统
公开(公告)号：US06618437B1
公开(公告)日：2003-09-09
申请号：US09324730
申请日：1999-06-03
申请人： Yuji Yamamoto
发明人： Yuji Yamamoto
IPC分类号： H04B166
CPC分类号： H04N19/597 , H04N13/10 , H04N13/161 , H04N13/167 , H04N13/189 , H04N13/194 , H04N13/239 , H04N13/286 , H04N13/296 , H04N13/341
摘要： On the side of a transmitter in a digital broadcasting system, a multiplexed picture is produced by multiplexing a plurality of pictures using a frame memory device. A video encoder encodes the multiplexed picture so as to realize a prescribed correspondence between a field type (even, odd) and a displaying order. Thus, a plurality of encoded pictures having the GOP structure are produced. The encoded pictures are transmitted to a receiver in the digital broadcasting system by using a one-channel transmission path. On the receiver side, decoding is carried out on a GOP basis and formatting is carried out according to the displaying order.
摘要翻译：在数字广播系统中的发射机一侧，通过使用帧存储器装置复用多个图像来产生多路复用图像。视频编码器对多路复用图像进行编码，以实现字段类型（偶数，奇数）和显示顺序之间的规定对应关系。因此，产生具有GOP结构的多个编码图像。通过使用单声道传输路径将经编码的图像发送到数字广播系统中的接收机。在接收机侧，按照GOP进行解码，并根据显示顺序进行格式化。

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