公开(公告)号：US20050089232A1

公开(公告)日：2005-04-28

申请号：US10605746

申请日：2003-10-23

申请人： Chun-Ming Hsu ,  Yueh-Yi Wang ,  Ai-Chieh Lu

发明人： Chun-Ming Hsu ,  Yueh-Yi Wang ,  Ai-Chieh Lu

IPC分类号： G06K9/36 ,  H04N7/24 ,  H04N7/26 ,  H04N7/46 ,  H04N7/50

CPC分类号： H04N19/577 ,  H04N19/107 ,  H04N19/142 ,  H04N19/172 ,  H04N19/177 ,  H04N19/61 ,  H04N19/87

摘要： A method provides a predetermined sequence of video frames, the predetermined sequence beginning with an I-frame, ending with a P-frame, and having intermediate B-frames. The method encodes blocks of each frame according to the order of the frame in the sequence and the frame type, determines a number of intra picture coded blocks in an encoded P-frame, and determines that a scene change occurs when the number of intra-picture encoded blocks is greater than a predetermined number. The method redefines the P-frame detected as having a scene change as an I-frame, redefines all B-frames of the sequence as P-frames, and re-encodes redefined frames while detecting for the scene change in the newly defined P-frames.

摘要翻译： 方法提供预定的视频帧序列，以I帧开头的预定序列，以P帧结束，并具有中间B帧。 该方法根据序列中的帧的顺序和帧类型对每帧的块进行编码，确定编码的P帧中的帧内编码块的数量，并且确定在帧内数量时， 图像编码块大于预定数量。 该方法将被检测为具有场景变化的P帧重新定义为I帧，将序列的所有B帧重新定义为P帧，并且在重新定义重新定义的帧的同时检测新定义的P-帧中的场景变化， 框架。

公开(公告)号：US07145950B2

公开(公告)日：2006-12-05

申请号：US10604357

申请日：2003-07-14

申请人： Chun-Ming Hsu ,  Ai-Chieh Lu ,  Yueh-Yi Wang

发明人： Chun-Ming Hsu ,  Ai-Chieh Lu ,  Yueh-Yi Wang

IPC分类号： H04B1/66 ,  H04N7/12

CPC分类号： H04N19/557 ,  H04N19/533

摘要： Pixel information of a current block is correlated with pixel information of a reference frame indicated by a first motion vector of a block proximate to the current block, pixel information of the reference frame indicated by a second motion vector of a block of the reference frame spatially coincident with the current block, and pixel information of predetermined regions of the reference frame. At least one of the first, second, and third motion vectors having the lowest cost function is selected as a candidate motion vector. Pixel information of the current block is correlated with pixel information of regions offset from the regions indicated by the candidate motion vectors to determine refined candidate motion vectors and corresponding refined cost functions. The refined candidate motion vector having the lowest refined cost function is selected as the motion vector of the current block.

摘要翻译： 当前块的像素信息与由当前块接近的块的第一运动矢量指示的参考帧的像素信息相关联，并且在空间上由参考帧的块的第二运动矢量指示的参考帧的像素信息 与当前块一致，以及参考帧的预定区域的像素信息。 选择具有最低成本函数的第一，第二和第三运动向量中的至少一个作为候选运动矢量。 当前块的像素信息与从由候选运动矢量指示的区域偏移的区域的像素信息相关联，以确定精确的候选运动矢量和相应的精简成本函数。 选择具有最低精确成本函数的精确候选运动矢量作为当前块的运动矢量。

公开(公告)号：US07346128B2

公开(公告)日：2008-03-18

申请号：US10648247

申请日：2003-08-27

申请人： Chun-Ming Hsu ,  Wei-Yang Ou ,  Chih-Hong Lou ,  Tzu-Yi Yang

发明人： Chun-Ming Hsu ,  Wei-Yang Ou ,  Chih-Hong Lou ,  Tzu-Yi Yang

IPC分类号： H03K9/00

CPC分类号： H04B1/30

摘要： A receiving method for dual-mode receiver. When a received communication signal is a wideband signal, the dual-mode receiver is configured as a direct-conversion receiver, and when a received communication signal is a narrowband signal, the dual-mode receiver is configured as a low-IF receiver.

摘要翻译： 一种双模接收机的接收方法。 当接收到的通信信号是宽带信号时，双模式接收机被配置为直接转换接收机，并且当接收的通信信号是窄带信号时，双模接收机被配置为低IF接收机。

公开(公告)号：US20100329403A1

公开(公告)日：2010-12-30

申请号：US12492419

申请日：2009-06-26

申请人： Troy J. Beukema ,  Steven M. Clements ,  Chun-Ming Hsu ,  William R. Kelly ,  Elizabeth M. May ,  Sergey V. Rylov

发明人： Troy J. Beukema ,  Steven M. Clements ,  Chun-Ming Hsu ,  William R. Kelly ,  Elizabeth M. May ,  Sergey V. Rylov

IPC分类号： H04L7/00

CPC分类号： H03K5/1565 ,  H03K5/15013 ,  H03K2005/00052

摘要： A system and method for closed loop clock correction includes adjusting two or more input signals comprising at least one in-phase clock and one quadrature clock, and applying adjusted quadrature clock signals to a device capable of generating a 4-quadrant interpolated output clock phase. An interpolated output clock phase is delayed to form a clock for a measurement device. Two or more adjusted input signals are measured on a measurement device over a range of interpolated output clock phases. Errors are determined on the in-phase clock and the quadrature clock using sampled information from the measurement device. The in-phase clock and the quadrature clock are adapted using determined error information.

摘要翻译： 用于闭环时钟校正的系统和方法包括调整包括至少一个同相时钟和一个正交时钟的两个或更多个输入信号，并将调整的正交时钟信号应用于能够产生4象限内插输出时钟相位的器件。 内插输出时钟相位被延迟以形成用于测量设备的时钟。 在内插输出时钟相位的范围内，在测量装置上测量两个或多个调整后的输入信号。 使用来自测量装置的采样信息，在同相时钟和正交时钟上确定错误。 使用确定的误差信息适配同相时钟和正交时钟。

公开(公告)号：US08139700B2

公开(公告)日：2012-03-20

申请号：US12492419

申请日：2009-06-26

申请人： Troy J. Beukema ,  Steven M. Clements ,  Chun-Ming Hsu ,  William R. Kelly ,  Elizabeth M. May ,  Sergey V. Rylov

发明人： Troy J. Beukema ,  Steven M. Clements ,  Chun-Ming Hsu ,  William R. Kelly ,  Elizabeth M. May ,  Sergey V. Rylov

IPC分类号： H04L25/00

CPC分类号： H03K5/1565 ,  H03K5/15013 ,  H03K2005/00052

摘要： A system and method for closed loop clock correction includes adjusting two or more input signals comprising at least one in-phase clock and one quadrature clock, and applying adjusted quadrature clock signals to a device capable of generating a 4-quadrant interpolated output clock phase. An interpolated output clock phase is delayed to form a clock for a measurement device. Two or more adjusted input signals are measured on a measurement device over a range of interpolated output clock phases. Errors are determined on the in-phase clock and the quadrature clock using sampled information from the measurement device. The in-phase clock and the quadrature clock are adapted using determined error information.

摘要翻译： 用于闭环时钟校正的系统和方法包括调整包括至少一个同相时钟和一个正交时钟的两个或更多个输入信号，并将调整的正交时钟信号应用于能够产生4象限内插输出时钟相位的器件。 内插输出时钟相位被延迟以形成用于测量设备的时钟。 在内插输出时钟相位的范围内，在测量装置上测量两个或多个调整后的输入信号。 使用来自测量装置的采样信息，在同相时钟和正交时钟上确定错误。 使用确定的误差信息适配同相时钟和正交时钟。

公开(公告)号：US20050013364A1

公开(公告)日：2005-01-20

申请号：US10604357

申请日：2003-07-14

申请人： Chun-Ming Hsu ,  Ai-Chieh Lu ,  Yueh-Yi Wang

发明人： Chun-Ming Hsu ,  Ai-Chieh Lu ,  Yueh-Yi Wang

IPC分类号： H04N7/12 ,  H04N7/26

CPC分类号： H04N19/557 ,  H04N19/533

摘要： Pixel information of a current block is correlated with pixel information of a reference frame indicated by a first motion vector of a block proximate to the current block, pixel information of the reference frame indicated by a second motion vector of a block of the reference frame spatially coincident with the current block, and pixel information of predetermined regions of the reference frame. At least one of the first, second, and third motion vectors having the lowest cost function is selectedas a candidate motion vector. Pixel information of the current block is correlated with pixel information of regions offset from the regions indicated by the candidate motion vectors to determine refined candidate motion vectors and corresponding refined cost functions. The refined candidate motion vector having the lowest refined cost function is selected as the motion vector of the current block.

摘要翻译： 当前块的像素信息与由当前块接近的块的第一运动矢量指示的参考帧的像素信息相关联，并且在空间上由参考帧的块的第二运动矢量指示的参考帧的像素信息 与当前块一致，以及参考帧的预定区域的像素信息。 在候选运动矢量中选择具有最低成本函数的第一，第二和第三运动矢量中的至少一个。 当前块的像素信息与从由候选运动矢量指示的区域偏移的区域的像素信息相关联，以确定精确的候选运动矢量和相应的精简成本函数。 选择具有最低精确成本函数的精确候选运动矢量作为当前块的运动矢量。