公开(公告)号：US08656388B2

公开(公告)日：2014-02-18

申请号：US13108424

申请日：2011-05-16

申请人： Wu Chou ,  Weiping Guo ,  Feng Liu ,  Zhi Qiang Zhao

发明人： Wu Chou ,  Weiping Guo ,  Feng Liu ,  Zhi Qiang Zhao

IPC分类号： G06F9/455

CPC分类号： G06F11/2097 ,  G06F11/1484 ,  G06F11/203 ,  G06F11/2038

摘要： High availability (HA) protection is provided for an executing virtual machine. At a checkpoint in the HA process, the active server suspends the virtual machine; and the active server copies dirty memory pages to a buffer. During the suspension of the virtual machine on the active host server, dirty memory pages are copied to a ring buffer. A copy process copies the dirty pages to a first location in the buffer. At a predetermined benchmark or threshold, a transmission process can begin. The transmission process can read data out of the buffer at a second location to send to the standby host. Both the copy and transmission processes can operate asynchronously on the ring buffer. The ring buffer cannot overflow because the transmission process continues to empty the ring buffer as the copy process continues. This arrangement allows for using smaller buffers and prevents buffer overflows, and thereby, it reduces the VM suspension time and improves the system efficiency.

摘要翻译： 为执行的虚拟机提供高可用性（HA）保护。 在HA进程的检查点，活动服务器挂起虚拟机; 并且活动服务器将脏内存页复制到缓冲区。 在活动主机服务器上暂停虚拟机时，脏内存页被复制到环形缓冲区。 复制过程将脏页复制到缓冲区中的第一个位置。 在预定的基准或阈值处，可以开始传输过程。 传输过程可以在第二位置从缓冲器读取数据以发送到备用主机。 复制和传输过程都可以在环形缓冲区上异步运行。 环形缓冲区不能溢出，因为传输过程在复制过程继续时继续清空环形缓冲区。 这种安排允许使用较小的缓冲区并防止缓冲区溢出，从而减少VM挂起时间并提高系统效率。

公开(公告)号：US20130120600A1

公开(公告)日：2013-05-16

申请号：US12953703

申请日：2010-11-24

申请人： Hailin Jin ,  Aseem O. Agarwala ,  Jue Wang ,  Michael L. Gleicher ,  Feng Liu

发明人： Hailin Jin ,  Aseem O. Agarwala ,  Jue Wang ,  Michael L. Gleicher ,  Feng Liu

IPC分类号： H04N5/228

CPC分类号： G06T7/262 ,  H04N5/23254 ,  H04N5/23267

摘要： Methods, apparatus, and computer-readable storage media for subspace video stabilization. A subspace video stabilization technique may provide a robust and efficient approach to video stabilization that achieves high-quality camera motion for a wide range of videos. The technique may transform a set of input two-dimensional (2D) motion trajectories so that they are both smooth and resemble visually plausible views of the imaged scene; this may be achieved by enforcing subspace constraints on feature trajectories while smoothing them. The technique may assemble tracked features in the video into a trajectory matrix, factor the trajectory matrix into two low-rank matrices, and perform filtering or curve fitting in a low-dimensional linear space. The technique may employ a moving factorization technique that is both efficient and streamable.

摘要翻译： 用于子空间视频稳定的方法，装置和计算机可读存储介质。 子空间视频稳定技术可以提供用于视频稳定的鲁棒且有效的方法，其实现针对各种视频的高质量相机运动。 该技术可以转换一组输入二维（2D）运动轨迹，使得它们是平滑的，并且类似于成像场景的视觉上合理的视图; 这可以通过对特征轨迹执行子空间约束来实现，同时平滑它们。 该技术可以将视频中的跟踪特征组合成轨迹矩阵，将轨迹矩阵归因为两个低阶矩阵，并在低维线性空间中执行滤波或曲线拟合。 该技术可以采用既有效又可流动的移动因式分解技术。

公开(公告)号：US08413145B2

公开(公告)日：2013-04-02

申请号：US12895230

申请日：2010-09-30

申请人： Wu Chou ,  Weiping Guo ,  Feng Liu ,  Zhi Qiang Zhao

发明人： Wu Chou ,  Weiping Guo ,  Feng Liu ,  Zhi Qiang Zhao

IPC分类号： G06F9/455

CPC分类号： G06F12/08 ,  G06F9/45533 ,  G06F11/1484 ,  G06F11/2038 ,  G06F11/2048 ,  G06F11/2097 ,  G06F2212/151

摘要： High availability (HA) protection is provided for an executing virtual machine. At a checkpoint in the HA process, the active server suspends the virtual machine; and the active server copies dirty memory pages to a buffer. During the suspension of the virtual machine on the active host server, dirty memory pages are copied to a ring buffer. A copy process copies the dirty pages to a first location in the buffer. At a predetermined benchmark or threshold, a transmission process can begin. The transmission process can read data out of the buffer at a second location to send to the standby host. Both the copy and transmission processes can operate substantially simultaneously on the ring buffer. As such, the ring buffer cannot overflow because the transmission process continues to empty the ring buffer as the copy process continues. This arrangement allows for smaller buffers and prevents buffer overflows.

摘要翻译： 为执行的虚拟机提供高可用性（HA）保护。 在HA进程的检查点，活动服务器挂起虚拟机; 并且活动服务器将脏内存页复制到缓冲区。 在活动主机服务器上暂停虚拟机时，脏内存页被复制到环形缓冲区。 复制过程将脏页复制到缓冲区中的第一个位置。 在预定的基准或阈值处，可以开始传输过程。 传输过程可以在第二位置从缓冲器读取数据以发送到备用主机。 复制和传输过程都可以在环形缓冲器上基本同时运行。 因此，环形缓冲区不能溢出，因为复制过程继续，传输过程继续清空环形缓冲区。 这种安排允许更小的缓冲区并防止缓冲区溢出。

公开(公告)号：US08400731B1

公开(公告)日：2013-03-19

申请号：US12426264

申请日：2009-04-19

申请人： Shaoping Li ,  Ge Yi ,  Feng Liu

发明人： Shaoping Li ,  Ge Yi ,  Feng Liu

IPC分类号： G11B5/127

CPC分类号： G11B5/1475 ,  G11B5/3116 ,  Y10T29/49021 ,  Y10T29/49039

摘要： A magnetic recording head comprises a write pole including a throat region with a leading edge, a trailing edge opposite the leading edge, and first and second side edges opposite one another. The magnetic recording head further comprises a first side wall gap layer disposed alongside the first side edge of the throat region, and a second side wall gap layer disposed alongside the second side edge of the throat region. Each of the first and second side wall gap layers has a first width at the leading edge of the throat region smaller than a second width at the trailing edge of the throat region.

摘要翻译： 磁记录头包括一个写柱，它包括一个具有前缘的喉部区域，与前缘相对的后缘，以及彼此相对的第一和第二侧边缘。 磁记录头还包括沿着喉部区域的第一侧边缘设置的第一侧壁间隙层和沿着喉部区域的第二侧边缘设置的第二侧壁间隙层。 第一和第二侧壁间隙层中的每一个在喉部区域的前缘处具有小于在喉部区域的后缘处的第二宽度的第一宽度。

公开(公告)号：US20130027053A1

公开(公告)日：2013-01-31

申请号：US13495013

申请日：2012-06-13

申请人： Lini LEE ,  Feng Liu ,  Ruijie Peng

发明人： Lini LEE ,  Feng Liu ,  Ruijie Peng

IPC分类号： G01R31/04 ,  G01R17/02

CPC分类号： G01R31/31721 ,  G01R31/2884

摘要： A semiconductor device has an internal power bus, parallel power connections for connecting the power bus with an external power supply and a test module. The test module includes a sensor for producing first and second differential sensor signals that are functions of voltages at spaced positions in one of the parallel connections produced by current in the parallel connection. The test module includes first and second balanced differential pair comparators that receive first and second reference signals and produce a first comparator signal that is a function of the relative values of the first differential sensor signal and the first reference signal, and a second comparator signal that is a function of the relative values of the second differential sensor signal and the second reference signal. The test module includes an output element that produces an output signal that is a function of the first and second comparator signals.

摘要翻译： 半导体器件具有内部电源总线，用于将电源总线与外部电源和测试模块连接的并行电源连接。 测试模块包括用于产生第一和第二差分传感器信号的传感器，所述第一和第二差分传感器信号是在并联连接中由电流产生的并联连接之一中的间隔位置处的电压的函数。 测试模块包括第一和第二平衡差分对比较器，其接收第一和第二参考信号并产生作为第一差分传感器信号和第一参考信号的相对值的函数的第一比较器信号，以及第二比较器信号， 是第二差分传感器信号和第二参考信号的相对值的函数。 测试模块包括产生作为第一和第二比较器信号的函数的输出信号的输出元件。

公开(公告)号：US20120307155A1

公开(公告)日：2012-12-06

申请号：US13149609

申请日：2011-05-31

申请人： Michael Gleicher ,  Feng Liu ,  Yuzhen Niu

发明人： Michael Gleicher ,  Feng Liu ,  Yuzhen Niu

IPC分类号： H04N9/74

CPC分类号： G06T3/0093

摘要： Video data is processed with region-based warping. In accordance with various example embodiments, video data having a plurality of source video frames is processed as follows, for each source video frame. Pixels representing the source video frame and at least one temporally-adjacent video frame are used to generate a motion history map, based upon frame-to-frame movement of at least one region in the source video frame and temporally-adjacent video frames. At least one salient region is identified in the source video frame based upon the motion history map and static image saliency data. Weighting data is determined for warping pixels corresponding to background regions of the source video frame differently than pixels corresponding to the at least one salient region in the source video frame. Using the weighting data, the pixels representing the source video frame are warped to generate pixels representing a warped video frame.

摘要翻译： 视频数据采用基于区域的翘曲进行处理。 根据各种示例实施例，对于每个源视频帧，如下处理具有多个源视频帧的视频数据。 表示源视频帧和至少一个时间相邻视频帧的像素被用于基于源视频帧和时间相邻视频帧中的至少一个区域的帧到帧移动来生成运动历史图。 基于运动历史图和静态图像显着性数据，在源视频帧中识别出至少一个显着区域。 确定与源视频帧的背景区域对应的翘曲像素的加权数据，不同于与源视频帧中的至少一个显着区域对应的像素。 使用加权数据，表示源视频帧的像素被扭曲以产生表示翘曲视频帧的像素。

公开(公告)号：US20120256107A1

公开(公告)日：2012-10-11

申请号：US13438662

申请日：2012-04-03

申请人： Dimitri Papamoschou ,  Feng Liu

发明人： Dimitri Papamoschou ,  Feng Liu

IPC分类号： F16L55/02

CPC分类号： F01D17/105 ,  F02C6/08 ,  F02C9/18 ,  F02K3/075 ,  F05D2260/96

摘要： A bleed valve that expels a gas from a compressed region includes a valve section and a muffler section coupled to and located downstream from the valve section. The valve section includes a centerbody and a housing. The centerbody supports a plunger that controls opening and closing of the bleed valve. The centerbody is coupled to the housing by at least one strut disposed substantially radially. The at least one strut may have a cross-section that reduces or suppresses flow separation and vortex shedding from the at least one strut. The muffler section may include a baffle plate and a dome plate. A honeycomb may be installed between the baffle plate and the dome plate. The bleed valve may also include a middle plate on a face of the honeycomb and a conical diverter immediately upstream from the baffle plate. Other embodiments are also described.

摘要翻译： 从压缩区域排出气体的放气阀包括连接到阀部分并位于阀部分下游的阀部分和消声器部分。 阀部分包括中心体和壳体。 中心体支撑一个控制放气阀打开和关闭的柱塞。 中心体通过基本上径向设置的至少一个支柱联接到壳体。 至少一个支柱可以具有减小或抑制从至少一个支柱的流动分离和涡流脱落的横截面。 消音器部分可以包括挡板和圆顶板。 在挡板和圆顶板之间可以安装蜂窝体。 泄放阀还可以包括在蜂窝的表面上的中间板和紧邻挡板上游的锥形转向器。 还描述了其它实施例。

公开(公告)号：US08224975B1

公开(公告)日：2012-07-17

申请号：US11748245

申请日：2007-05-14

申请人： Feng Liu ,  Wu Chou ,  Li Li

发明人： Feng Liu ,  Wu Chou ,  Li Li

IPC分类号： G06F15/16

CPC分类号： H04L65/1069 ,  H04L67/02

摘要： A method, system and computer program product for establishing communication services using web service operations over a network is presented. An application session can be established, extended and terminated between an event source and an event sink across the network by way of a session service. An addressing service on at least one of said event sink and said event source is used to address services. A multimedia communication services between the event source and the event sink is established by way of an eventing service.

摘要翻译： 提出了一种通过网络使用Web服务操作建立通信服务的方法，系统和计算机程序产品。 可以通过会话服务通过网络在事件源和事件接收器之间建立，扩展和终止应用程序会话。 在所述事件接收器和所述事件源中的至少一个上的寻址服务用于寻址服务。 通过事件服务建立事件源和事件接收器之间的多媒体通信服务。

公开(公告)号：US08194366B1

公开(公告)日：2012-06-05

申请号：US12579315

申请日：2009-10-14

申请人： Shaoping Li ,  Yimin Guo ,  Feng Liu ,  Wei Zhang ,  Sining Mao

发明人： Shaoping Li ,  Yimin Guo ,  Feng Liu ,  Wei Zhang ,  Sining Mao

IPC分类号： G11B5/33

CPC分类号： G11B5/398 ,  G01R33/098 ,  G11B5/3909 ,  H01L43/08 ,  H01L43/12

摘要： A tunneling magnetoresistance (TMR) read head and a method of producing the same are disclosed. A free layer having a free layer stripe height is provided, the free layer having a first side and a second side. A tunneling barrier layer is formed adjacent to the first side of the free layer, the tunneling barrier layer having a first side and a second side, the second side of the tunneling barrier layer facing the first side of the free layer. A pinned stack is formed adjacent to the first side of the tunneling barrier layer. The pinned stack comprises at least one magnetic layer having a current path stripe height that is less than the free layer stripe height.

摘要翻译： 公开了一种隧道磁阻（TMR）读头及其制造方法。 提供具有自由层条纹高度的自由层，自由层具有第一侧和第二侧。 隧道势垒层邻近自由层的第一侧形成，隧道势垒层具有第一侧和第二侧，隧道势垒层的第二面面向自由层的第一侧。 在隧道势垒层的第一侧附近形成钉扎层。 钉扎堆叠包括至少一个具有小于自由层条纹高度的电流路径条纹高度的磁性层。

公开(公告)号：US20120115657A1

公开(公告)日：2012-05-10

申请号：US13354048

申请日：2012-01-19

申请人： John R. Antchak ,  James W. Dell ,  Gerald J. Hamers ,  Feng Liu

发明人： John R. Antchak ,  James W. Dell ,  Gerald J. Hamers ,  Feng Liu

IPC分类号： F16H7/12

CPC分类号： F16H7/1281 ,  F16H7/1218 ,  F16H2007/081 ,  F16H2007/084

摘要： A tensioner in accordance with the present invention employs a spindle and a tensioner arm which are preferably manufactured by a suitable manufacturing process, such as die casting, negating a requirement for machining operations. The biasing spring of the tensioner is wound with wire having a non-circular cross section to increase the spring force of the spring compared to a similar spring wound with wire of circular cross section and, as the tensioner arm is moved away from the flexible drive, the diameter of the biasing spring expands and the coils press a dampening shoe into contact with a wall of the tensioner arm producing a dampening force. The tensioner is simple to assemble and requires a relatively small package volume for the biasing force it can produce.

摘要翻译： 根据本发明的张紧器采用主轴和张紧臂，优选地通过合适的制造工艺（例如压铸）制造，否定了加工操作的要求。 张紧器的偏置弹簧用具有非圆形横截面的线缠绕，以增加弹簧的弹簧力，与用圆形横截面线缠绕的类似弹簧相比，当张紧器臂从柔性驱动器移开时 ，偏压弹簧的直径膨胀，并且线圈将阻尼鞋与压紧臂的壁接触，产生阻尼力。 张紧器易于组装，并且对于其可以产生的偏压力需要相对较小的包装体积。