公开(公告)号：US08233709B2

公开(公告)日：2012-07-31

申请号：US12399214

申请日：2009-03-06

申请人： Mark A. Robertson ,  Ming-Chang Liu

发明人： Mark A. Robertson ,  Ming-Chang Liu

IPC分类号： G06K9/36

CPC分类号： G06T11/001 ,  H04N19/159 ,  H04N19/176 ,  H04N19/18 ,  H04N19/196 ,  H04N19/40 ,  H04N19/61 ,  H04N19/85

摘要： Implementing color effects in compressed digital video is improved upon by re-using the original video's compression parameters during the re-encoding stage, such that the parameters do not need to be re-estimated by the encoder. This improved method reduces complexity and also improves quality. Quality is improved due to re-use of the compression parameters since accumulated error which is common when re-encoding compressed video is prevented. For digital negatives, the effect is able to be implemented even more efficiently.

摘要翻译： 通过在重新编码阶段重新使用原始视频的压缩参数来改进压缩数字视频中的色彩效果，使得参数不需要被编码器重新估计。 这种改进的方法降低了复杂性并提高了质量。 由于重新使用压缩参数，质量得到改善，因为防止重新编码压缩视频时常见的累积误差。 对于数字底片，效果可以更有效地实现。

公开(公告)号：US20100226567A1

公开(公告)日：2010-09-09

申请号：US12399214

申请日：2009-03-06

申请人： Mark A. Robertson ,  Ming-Chang Liu

发明人： Mark A. Robertson ,  Ming-Chang Liu

IPC分类号： G06K9/36

CPC分类号： G06T11/001 ,  H04N19/159 ,  H04N19/176 ,  H04N19/18 ,  H04N19/196 ,  H04N19/40 ,  H04N19/61 ,  H04N19/85

摘要： Implementing color effects in compressed digital video is improved upon by re-using the original video's compression parameters during the re-encoding stage, such that the parameters do not need to be re-estimated by the encoder. This improved method reduces complexity and also improves quality. Quality is improved due to re-use of the compression parameters since accumulated error which is common when re-encoding compressed video is prevented. For digital negatives, the effect is able to be implemented even more efficiently.

摘要翻译： 通过在重新编码阶段重新使用原始视频的压缩参数来改进压缩数字视频中的色彩效果，使得参数不需要被编码器重新估计。 这种改进的方法降低了复杂性并提高了质量。 由于重新使用压缩参数，质量得到改善，因为防止重新编码压缩视频时常见的累积误差。 对于数字底片，效果可以更有效地实现。

公开(公告)号：US20100226437A1

公开(公告)日：2010-09-09

申请号：US12399187

申请日：2009-03-06

申请人： Mark A. Robertson ,  Ming-Chang Liu

发明人： Mark A. Robertson ,  Ming-Chang Liu

IPC分类号： H04N7/32 ,  H04N7/26

CPC分类号： H04N19/577 ,  H04N19/40 ,  H04N19/44 ,  H04N19/59

摘要： A method of and system for reducing complexity for transcoding Advanced Video Coding (AVC) videos is described herein. Transcoding from higher resolution signals to lower resolution signals or to signals for a lower resolution display is implemented. The complexity is reduced by decoding the AVC video at reduced horizontal and/or vertical resolution. This results in the reduction of computation cost for decoding and re-sampling the AVC video to lower resolution.

摘要翻译： 本文描述了用于降低代码转换高级视频编码（AVC）视频的复杂度的方法和系统。 实现从较高分辨率信号到较低分辨率信号或较低分辨率显示的信号的转码。 通过以缩小的水平和/或垂直分辨率解码AVC视频来降低复杂度。 这导致降低AVC视频解码和重新采样以降低分辨率的计算成本。

公开(公告)号：US20110229056A1

公开(公告)日：2011-09-22

申请号：US12728025

申请日：2010-03-19

申请人： Mark A. Robertson ,  Ming-Chang Liu

发明人： Mark A. Robertson ,  Ming-Chang Liu

IPC分类号： G06K9/32

CPC分类号： G06T7/248

摘要： An image alignment method includes computationally efficient methods of achieving high-accuracy local motion estimates by using phase correlation. The method also estimates motion reliability that allows a generic robust model fitting algorithm to produce more accurate results while operating much more efficiently. One of three methods are used to determine sub-pel motion estimation with improved accuracy. Each of the sub-pel motion estimation methods uses phase correlation, and are based on fitting computationally efficient 2-D quadratic surfaces to a phase correlation surface. A pre-filter is applied which shapes the phase correlation surface to enable appropriate fitting to the quadratic surface. Bias is also compensated for prior to applying a sub-pel motion estimation method. The method also estimates the reliability of the sub-pel motion estimates determined using phase correlation.

摘要翻译： 图像对准方法包括通过使用相位相关来实现高精度局部运动估计的计算有效的方法。 该方法还估计运动可靠性，允许通用鲁棒模型拟合算法在更有效地运行时产生更准确的结果。 使用三种方法之一来确定提高精度的子像素运动估计。 每个子像素运动估计方法使用相位相关，并且基于将计算有效的2-D二次曲面拟合到相位相关表面。 应用预滤波器，其形成相位相关表面以使得能够适当地拟合到二次曲面。 在应用子像素运动估计方法之前，偏置也被补偿。 该方法还估计使用相位相关确定的子像素运动估计的可靠性。

公开(公告)号：US20090097560A1

公开(公告)日：2009-04-16

申请号：US11974091

申请日：2007-10-10

申请人： Mark A. Robertson

发明人： Mark A. Robertson

IPC分类号： H04B1/66

CPC分类号： H04N19/577 ,  H04N19/107 ,  H04N19/109 ,  H04N19/112 ,  H04N19/122 ,  H04N19/137 ,  H04N19/14 ,  H04N19/172 ,  H04N19/176 ,  H04N19/186 ,  H04N19/40 ,  H04N19/51

摘要： The present invention discloses systems for and methods of transcoding first video data in a first format, such as AVC, into second video data in a second format, such as MPEG-2. A method in accordance with the present invention disables deblocking filters, bypasses macroblock encoding for certain picture types, such as B-pictures, and re-uses motion vectors. In one embodiment, motion vectors for the second video data are set substantially equal to motion vectors for the first video data, when the two differ by less than a threshold value. In other embodiments, only macroblocks that contain all zero-valued blocks bypass the transcoding process, thereby simplifying the transcoding process further. Other embodiments further simplify the transcoding process by requiring that B-pictures are not used as reference pictures, reference pictures in the second video data are restricted to be the same as reference pictures in the first video data, and bi-predictions are not allowed.

摘要翻译： 本发明公开了以第一格式（例如AVC）将第一视频数据转码为MPEG-2等第二格式的第二视频数据的系统和方法。 根据本发明的方法禁止去块滤波器，绕过诸如B图像的某些图像类型的宏块编码，并重新使用运动矢量。 在一个实施例中，当两者相差小于阈值时，第二视频数据的运动矢量基本上等于第一视频数据的运动矢量。 在其他实施例中，仅包含所有零值块的宏块绕过转码过程，从而进一步简化转码过程。 其他实施例通过要求B图像不用作参考图像进一步简化代码转换处理，第二视频数据中的参考图片被限制为与第一视频数据中的参考图片相同，并且不允许双重预测。

公开(公告)号：US07471245B2

公开(公告)日：2008-12-30

申请号：US11669734

申请日：2007-01-31

申请人： Hyo K. Chung ,  Phuong H. Le ,  John M. Parker ,  David L. Reid ,  Mark A. Robertson

发明人： Hyo K. Chung ,  Phuong H. Le ,  John M. Parker ,  David L. Reid ,  Mark A. Robertson

IPC分类号： G01S3/02

CPC分类号： G01S5/06 ,  G01S5/0252

摘要： Methods and apparatus operable to estimate the geolocation of a signal emitter. In some embodiments, the methods comprise acquiring collection data from a plurality of collector elements, computing a plurality of candidate geolocations from the acquired collection data, and applying a clustering analysis to the candidate geolocations to estimate the geolocation of the signal emitter.

摘要翻译： 用于估计信号发射器的地理定位的方法和装置。 在一些实施例中，所述方法包括从多个收集器元件获取收集数据，从所获取的收集数据计算多个候选地理位置，以及将聚类分析应用于候选地理位置以估计信号发射器的地理定位。

公开(公告)号：US5182493A

公开(公告)日：1993-01-26

申请号：US650618

申请日：1991-02-05

申请人： Mark A. Robertson

发明人： Mark A. Robertson

IPC分类号： H01J23/027 ,  H01J23/213 ,  H01J25/593

CPC分类号： H01J25/593 ,  H01J23/213

摘要： A magnetron having a rising sun anode includes a slot which is extensive in a plane transverse to the axis and in which a tuning member is located. The tuning member may be moved inwardly and outwardly to control the frequency of the magnetron output radiation, the member being arranged such that it can intercept the anode cavities by a variable amount to change their resonant characteristics.

摘要翻译： 具有升高的阳光阳极的磁控管包括在横向于轴线的平面中是广泛的并且调谐构件位于其中的狭槽。 调谐构件可以向内和向外移动以控制磁控管输出辐射的频率，该构件被布置成使得其可以以可变量拦截阳极腔以改变其谐振特性。

公开(公告)号：US08098732B2

公开(公告)日：2012-01-17

申请号：US11974091

申请日：2007-10-10

申请人： Mark A. Robertson

发明人： Mark A. Robertson

IPC分类号： H04N7/12

CPC分类号： H04N19/577 ,  H04N19/107 ,  H04N19/109 ,  H04N19/112 ,  H04N19/122 ,  H04N19/137 ,  H04N19/14 ,  H04N19/172 ,  H04N19/176 ,  H04N19/186 ,  H04N19/40 ,  H04N19/51

摘要： The present invention discloses systems for and methods of transcoding first video data in a first format, such as AVC, into second video data in a second format, such as MPEG-2. A method in accordance with the present invention disables deblocking filters, bypasses macroblock encoding for certain picture types, such as B-pictures, and re-uses motion vectors. In one embodiment, motion vectors for the second video data are set substantially equal to motion vectors for the first video data, when the two differ by less than a threshold value. In other embodiments, only macroblocks that contain all zero-valued blocks bypass the transcoding process, thereby simplifying the transcoding process further. Other embodiments further simplify the transcoding process by requiring that B-pictures are not used as reference pictures, reference pictures in the second video data are restricted to be the same as reference pictures in the first video data, and bi-predictions are not allowed.

摘要翻译： 本发明公开了以第一格式（例如AVC）将第一视频数据转码为MPEG-2等第二格式的第二视频数据的系统和方法。 根据本发明的方法禁止去块滤波器，绕过诸如B图像的某些图像类型的宏块编码，并重新使用运动矢量。 在一个实施例中，当两者相差小于阈值时，第二视频数据的运动矢量基本上等于第一视频数据的运动矢量。 在其他实施例中，仅包含所有零值块的宏块绕过转码过程，从而进一步简化转码过程。 其他实施例通过要求B图像不用作参考图像进一步简化代码转换处理，第二视频数据中的参考图片被限制为与第一视频数据中的参考图片相同，并且不允许双重预测。

公开(公告)号：US20090224957A1

公开(公告)日：2009-09-10

申请号：US11904630

申请日：2007-09-27

申请人： Hyo K. Chung ,  Phuong H. Le ,  John M. Parker ,  David L. Reid ,  Mark A. Robertson

发明人： Hyo K. Chung ,  Phuong H. Le ,  John M. Parker ,  David L. Reid ,  Mark A. Robertson

IPC分类号： G01S13/93 ,  G01S1/24

CPC分类号： G01S5/12 ,  G01S5/0009

摘要： Systems and methods for detection and geolocation of multiple emitters that are emitting RF signal energy on a common frequency, and that may be implemented to separate, geolocate, and/or determine the number of emitters (e.g., radio users) emitting on a common RF frequency. Real-time signal qualification processing may be employed to continuously monitor and collect incoming receiver tuner data for signal activity and ignore irrelevant noise data. Each set of data blocks from an emitter transmission signal may be defined as an emission cluster, and a set of time difference of arrival (TDOA)/frequency difference of arrival (FDOA) pairs may be computed for each emission cluster with each TDOA/FDOA pair yielding a geolocation result. A statistical qualification method may be used to produce a final geolocation answer from each set of emission cluster geolocation results, and a geolocation error ellipse computed for the final geolocation answer of each emission cluster. The final geolocation answer of each emission cluster may be run through a correlation and fusion algorithm.

公开(公告)号：US07626546B2

公开(公告)日：2009-12-01

申请号：US11904630

申请日：2007-09-27

申请人： Hyo K. Chung ,  Phuong H. Le ,  John M. Parker ,  David L. Reid ,  Mark A. Robertson

发明人： Hyo K. Chung ,  Phuong H. Le ,  John M. Parker ,  David L. Reid ,  Mark A. Robertson

IPC分类号： G01S3/02

CPC分类号： G01S5/12 ,  G01S5/0009

摘要： Systems and methods for detection and geolocation of multiple emitters that are emitting RF signal energy on a common frequency, and that may be implemented to separate, geolocate, and/or determine the number of emitters (e.g., radio users) emitting on a common RF frequency. Real-time signal qualification processing may be employed to continuously monitor and collect incoming receiver tuner data for signal activity and ignore irrelevant noise data. Each set of data blocks from an emitter transmission signal may be defined as an emission cluster, and a set of time difference of arrival (TDOA)/frequency difference of arrival (FDOA) pairs may be computed for each emission cluster with each TDOA/FDOA pair yielding a geolocation result. A statistical qualification method may be used to produce a final geolocation answer from each set of emission cluster geolocation results, and a geolocation error ellipse computed for the final geolocation answer of each emission cluster. The final geolocation answer of each emission cluster may be run through a correlation and fusion algorithm.

摘要翻译： 用于在公共频率上发射RF信号能量的多个发射器的检测和地理定位的系统和方法，并且可以被实现以分离，定位和/或确定在公共RF上发射的发射器（例如，无线电用户）的数量 频率。 可以采用实时信号鉴定处理来连续地监视和收集输入的接收机调谐器数据以用于信号活动并忽略不相关的噪声数据。 来自发射器传输信号的每组数据块可以被定义为发射簇，并且可以针对每个发射簇计算每个TDOA / FDOA的一组到达时间差（TDOA）/到达频差对（FDOA）对 对产生地理定位结果。 可以使用统计鉴定方法来从每组发射簇地理定位结果产生最终地理位置答案，并且为每个发射群集的最终地理位置答案计算出的地理定位误差椭圆。 每个发射群集的最终地理位置答案可以通过相关和融合算法运行。