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    • 1. 发明授权
    • Methods and apparatus for incremental prediction of input device motion
    • 输入装置运动增量预测的方法和装置
    • US08766915B2
    • 2014-07-01
    • US12207452
    • 2008-09-09
    • Farshid Moussavi
    • Farshid Moussavi
    • G06F3/033
    • G06F3/038
    • Methods and apparatus for incremental prediction of input device motion. In one embodiment, the input device comprises one or more sensors adapted to output motional data of the input device as measured at a certain period. A prediction of input device motion is generated based upon the last prediction and a weighted error in estimate determined by the sensory output. According to one embodiment, the weight is calculated as a Kalman gain. In one embodiment, once the prediction has been generated, it is provided to a display update algorithm adapted to orient a navigational object upon an associated display screen.
    • 输入装置运动增量预测的方法和装置。 在一个实施例中,输入设备包括一个或多个传感器,其适于输出在某一周期测量的输入设备的运动数据。 基于最后的预测和由感官输出确定的估计的加权误差来生成输入装置运动的预测。 根据一个实施例,权重被计算为卡尔曼增益。 在一个实施例中,一旦产生了预测,就将其提供给适于将导航对象定向到相关联的显示屏幕上的显示更新算法。
    • 10. 发明授权
    • Multicast routing with nearest queue first allocation and dynamic and static vector quantization
    • 具有最近队列首次分配的组播路由和动态和静态矢量量化
    • US06760331B1
    • 2004-07-06
    • US09283109
    • 1999-03-31
    • Farshid MoussaviDhaval N. Shah
    • Farshid MoussaviDhaval N. Shah
    • H04L1228
    • H04L49/201H04L49/101H04L49/25H04L49/3045
    • The invention includes a way to route multicast traffic through a switch or other device that uses input queuing. Basis vectors are associated with each virtual queue, which in a preferred embodiment are multicast virtual output queues (MVOQs). Each incoming flow is allocated to the MVOQ whose basis vector is closest to the destination vector of the incoming flow, creating queues whose contents are distinct from each other in terms of destination addresses of the flows in the respective queue. To optimize for traffic encountered basis vectors can be chosen using vector quantization methods. Basis vectors can be set statically or can be selected and updated dynamically, responsive to the traffic encountered or as set by an operator. The invention can reduce the number of virtual queues required for a given incremental improvement in performance or can improve performance for a given number of virtual queues.
    • 本发明包括一种通过使用输入排队的交换机或其他设备路由多播流量的方法。 基本向量与每个虚拟队列相关联,在优选实施例中,虚拟队列是多播虚拟输出队列(MVOQ)。 每个传入流被分配给MVOQ,MVOQ的基本向量最接近于入局流的目标向量,从而根据相应队列中的流的目标地址来创建内容彼此不同的队列。 为了优化流量,可以使用向量量化方法选择遇到的基向量。 可以静态设置基础向量,或者可以根据遇到的流量或操作员设置的流量动态地选择和更新基础向量。 本发明可以减少给定的性能增量改进所需的虚拟队列的数量,或者可以提高给定数量的虚拟队列的性能。