公开(公告)号：US10288433B2

公开(公告)日：2019-05-14

申请号：US12712857

申请日：2010-02-25

申请人： Yu Zheng ,  Yin Lou ,  Chengyang Zhang ,  Xing Xie

发明人： Yu Zheng ,  Yin Lou ,  Chengyang Zhang ,  Xing Xie

IPC分类号： G01C21/26 ,  G01C21/30

摘要： This disclosure describes a map-matching module that supports a Global Positioning System (GPS) and provides a user with a best match trajectory corresponding to GPS sampling points taken at a low sampling rate. The best match trajectory is based upon a spatial-temporal analysis.

公开(公告)号：US20130151297A1

公开(公告)日：2013-06-13

申请号：US13324758

申请日：2011-12-13

申请人： Yu Zheng ,  Xing Xie

发明人： Yu Zheng ,  Xing Xie

IPC分类号： G08G1/00 ,  G06Q10/06

CPC分类号： G06Q10/06 ,  G08G1/0112 ,  G08G1/0129

摘要： Techniques for analyzing effectiveness of an urban area based on traffic patterns collected from route-oriented vehicles. A process collects sequences of global positioning system (GPS) points in logs and identifies geographical locations to represent the urban area where the route-oriented vehicles traveled. The process models traffic patterns by: partitioning the urban area into regions based at least in part on major roads, segmenting the GPS points from the logs into time slots, and identifying the GPS points associated with transporting a passenger in the route-oriented vehicles. The process models traffic patterns by projecting the identified GPS points onto the regions to construct transitions of the identified GPS points travelling between the regions. Then the process builds a matrix of the regions for each time slot in each day based on a number of the transitions. Each item in the matrix represents an effectiveness of a connection between two regions.

摘要翻译： 基于从路线导向车辆收集的交通模式分析城市有效性的技术。 一个过程在日志中收集全球定位系统（GPS）点的序列，并识别地理位置以表示路线导向的车辆行驶的城市地区。 该过程通过以下方式模拟交通模式：至少部分地基于主要道路将城市区域划分为区域，将来自日志的GPS点分割成时隙，以及识别与在路线导向的车辆中运送乘客相关联的GPS点。 该过程通过将识别的GPS点投影到区域上来构建交通模式，以构建在区域之间行进的所识别的GPS点的转变。 然后，该过程基于多个转换来构建每一天中每个时隙的区域的矩阵。 矩阵中的每个项目表示两个区域之间的连接的有效性。

公开(公告)号：US20120296560A1

公开(公告)日：2012-11-22

申请号：US13111110

申请日：2011-05-19

申请人： Yu Zheng ,  Xing Xie

发明人： Yu Zheng ,  Xing Xie

IPC分类号： G08G1/00

CPC分类号： G08G1/0129 ,  G08G1/0112

摘要： Trajectory data representing tracked positions of a vehicle along a trajectory having a start and end point is accessed. The trajectory data may include spatio-temporal information about the vehicle at different points along the trajectory. The trajectory may be divided into segments based, at least in part, on knowledge of inferred-parking locations. The segments may be map-matched to corresponding road segments. Additionally, historical data representing spatio-temporal travel patterns of vehicles learned from historical trajectories of vehicles corresponding to the map-matched-road segments may also be accessed. A behavioral state of the vehicle for a segment or position within a segment may be inferred, based at least in part, on (i) the vehicle's spatio-temporal information corresponding to the segment or position within a segment, (ii) knowledge of the map-matched-road segment, and (iii) the historical data.

摘要翻译： 访问表示沿着具有起点和终点的轨迹的车辆的跟踪位置的轨迹数据。 轨迹数据可以包括关于沿着轨迹的不同点的车辆的时空信息。 该轨迹可以至少部分地基于推断停车位置的知识而被划分成段。 分段可以与对应的路段匹配。 此外，还可以访问表示从对应于地图匹配路段的车辆的历史轨迹学到的车辆的时空行驶模式的历史数据。 至少部分地基于（i）对应于段内的段或位置的车辆的时空信息来推断用于段内段或位置的车辆的行为状态，（ii） 地图匹配路段，（iii）历史数据。

公开(公告)号：US20110301832A1

公开(公告)日：2011-12-08

申请号：US12794538

申请日：2010-06-04

申请人： Yu Zheng ,  Zaiben Chen ,  Xing Xie

发明人： Yu Zheng ,  Zaiben Chen ,  Xing Xie

IPC分类号： G01C21/36

CPC分类号： G01C21/3484 ,  G01C21/26 ,  G01C21/3667 ,  G06F17/11

摘要： Techniques for providing a trajectory route to multiple geographical locations of interest are described. This disclosure describes receiving global position system (GPS) logs associated with respective individual devices, each of the GPS logs including trajectories connecting a set of geographical locations previously visited by an individual of a respective individual device. A trajectory route service receives a request for a trajectory connecting a set of geographical locations of interest specified by a user. The trajectory route service calculates a proximal similarity between (1) the set of geographical locations of interest specified by the user, and (2) respective sets of geographical locations from the GPS logs. The trajectory route service constructs the requested trajectory with use of at least one of the trajectories from the GPS logs determined at least in part according to the calculated proximal similarities.

摘要翻译： 描述了提供到感兴趣的多个地理位置的轨迹路线的技术。 本公开描述了接收与相应单独设备相关联的全球定位系统（GPS）日志，每个GPS日志包括连接先前由相应单独设备的个人访问的一组地理位置的轨迹。 轨迹路线服务接收连接由用户指定的一组感兴趣的地理位置的轨迹的请求。 轨迹路线服务计算（1）由用户指定的感兴趣的地理位置集合和（2）来自GPS日志的各组地理位置之间的近似相似度。 所述轨迹路线服务利用至少部分地根据所计算的近似相似度确定的GPS记录中的至少一个轨迹构建所请求的轨迹。

公开(公告)号：US20110276565A1

公开(公告)日：2011-11-10

申请号：US12773771

申请日：2010-05-04

申请人： Yu Zheng ,  Wencheng Zheng ,  Xing Xie

发明人： Yu Zheng ,  Wencheng Zheng ,  Xing Xie

IPC分类号： G06F17/30 ,  G01C21/00

CPC分类号： G01C21/20 ,  H04W4/029 ,  H04W64/00

摘要： Techniques describe constructing a location and activity recommendation model to identify relationships between locations and activities. To construct the model, the process obtains global positioning system (GPS) logs of geographical locations collected over time and identifies stay points representing locations visited by an individual user. The process also identifies points of interest in a region using a database and correlates a relationship between activity to activity by submitting queries to a search engine. The information gathered is used to fill locations and activities in a location-activity matrix. Recommendations may be made for a location and/or activity when given a user query, based on a user's present geographical location, or a prediction of a user's interest.

摘要翻译： 技术描述了构建位置和活动推荐模型以识别位置和活动之间的关系。 为了构建模型，该过程获得随时间收集的地理位置的全球定位系统（GPS）日志，并且标识表示个人用户访问的位置的停留点。 该过程还使用数据库识别区域中的兴趣点，并通过向搜索引擎提交查询来将活动与活动之间的关系相关联。 收集的信息用于填充位置活动矩阵中的位置和活动。 当基于用户的当前地理位置给定用户查询或用户兴趣的预测时，可以针对位置和/或活动进行建议。

公开(公告)号：US20110093458A1

公开(公告)日：2011-04-21

申请号：US12567667

申请日：2009-09-25

申请人： Yu Zheng ,  Chang Sheng ,  Xing Xie

发明人： Yu Zheng ,  Chang Sheng ,  Xing Xie

IPC分类号： G06F7/10 ,  G06F17/30

CPC分类号： G06F17/3087 ,  G06F17/30061 ,  G06F17/30241 ,  G06F17/30327 ,  G06F17/3053 ,  G06F17/30554 ,  G06F17/30589 ,  G06F17/30598 ,  G06F17/30601 ,  G06F17/30622

摘要： Techniques for searching and providing geographical regions are described. The process searches and recommends points of interests based on a user-specified region. Points of interests include spatial objects (e.g., buildings, landmarks, rivers, parks) and their distributions in a geographical region. The process searches and recommends points of interests by partitioning a spatial map into grids to identify representative categories located in each of the grids. In response to the user-specified region, a set of geographical candidates containing the representative categories is retrieved. The process determines whether the user-specified region and the set of geographical candidates include similar or common representative categories and similar or common spatial distributions of the representative categories. Then the process provides the top ranked set of geographical candidates that have similar content information.

摘要翻译： 描述了搜索和提供地理区域的技术。 该过程根据用户指定的区域搜索并推荐兴趣点。 兴趣点包括空间物体（如建筑物，地标，河流，公园）及其在地理区域的分布。 该过程通过将空间地图划分为网格来搜索和建议兴趣点，以识别位于每个网格中的代表类别。 响应于用户指定的区域，检索包含代表类别的一组地理候选。 该过程确定用户指定的区域和地理候选的集合是否包括类似或共同的代表类别以及代表类别的类似或共同的空间分布。 然后，该过程提供具有类似内容信息的排名最高的地理候选者集合。

公开(公告)号：US20150051734A1

公开(公告)日：2015-02-19

申请号：US14067603

申请日：2013-10-30

申请人： Yu Zheng ,  Katsu Yumane

发明人： Yu Zheng ,  Katsu Yumane

IPC分类号： B25J9/16 ,  B62D57/032

CPC分类号： B25J9/1633 ,  B62D57/032 ,  Y10S901/01

摘要： A controller for floating-base humanoid robots that can track motion capture data while maintaining balance. Briefly, the controller includes a proportional-derivative (PD) controller that is adapted to compute the desired acceleration to track a given reference trajectory at every degree-of-freedom (DOF) of the robot including the six unactuated ones of the floating base. Second, the controller includes a component (joint torque optimization module) that computes the optimal joint torques and contact forces to realize the desired accelerations given by the first component (i.e., the PD controller). The joint torque optimization module performs this computation considering the full-body dynamics of the robot and the constraints on contact forces. The desired accelerations may not be feasible for the robot due to limits in normal contact forces and friction (e.g., the robot sometimes cannot exactly copy or perform the modeled human motion defined by motion capture data).

摘要翻译： 用于浮动式人形机器人的控制器，可以跟踪运动捕捉数据同时保持平衡。 简而言之，控制器包括比例微分（PD）控制器，其适于计算期望的加速度以跟踪包括浮动基座中的六个未致动的机器人的机器人的每个自由度（DOF）处的给定参考轨迹。 第二，控制器包括一个组件（关节扭矩优化模块），该组件计算最佳接头扭矩和接触力，以实现由第一部件（即PD控制器）给出的所需加速度。 考虑到机器人的全身动力学和接触力的约束，关节扭矩优化模块执行该计算。 由于正常接触力和摩擦力的限制（例如，机器人有时不能精确地复制或执行由运动捕捉数据定义的建模的人体运动），对于机器人而言，期望的加速度可能是不可行的。

公开(公告)号：US08551734B2

公开(公告)日：2013-10-08

申请号：US13415504

申请日：2012-03-08

申请人： Yu Zheng ,  Richard J. Roberts

发明人： Yu Zheng ,  Richard J. Roberts

IPC分类号： C12P21/06 ,  C12Q1/68 ,  G01N33/573 ,  C12P19/34 ,  C12N9/00

CPC分类号： C12N15/1058 ,  C12N9/22 ,  C12N15/1075

摘要： Compositions and methods are provided for selection and enrichment of a target gene from a library of polynucleotide sequences such as might be formed from a genome or by random mutagenesis of a genetic sequence. The selection and enrichment occurs in aqueous droplets formed in an emulsion that compartmentalize individual polynucleotides from the library or a plurality of polynucleotides that may include polynucleotides not derived from the library, transcription and translation reagents and optionally additional chemical and enzyme reagents. The selection and enrichment method utilizes a polynucleotide adaptor which when ligated to the polynucleotide fragment enables amplification to occur in the presence of an adaptor specific primer.

摘要翻译： 提供了组合物和方法用于从多基因序列文库中选择和富集靶基因，所述多核苷酸序列可能由基因组形成，或通过遗传序列的随机诱变。 选择和富集发生在形成于乳剂中的水性液滴中，其从文库分离单个多核苷酸或多个多核苷酸，其可以包括不衍生自文库，转录和翻译试剂以及任选的其它化学和酶试剂的多核苷酸。 选择和富集方法利用多核苷酸衔接子，当连接到多核苷酸片段时，可以在衔接子特异性引物的存在下进行扩增。

公开(公告)号：US08526969B2

公开(公告)日：2013-09-03

申请号：US12480511

申请日：2009-06-08

申请人： Yu Zheng ,  Sharad Agarwal ,  Alex Hehmeyer

发明人： Yu Zheng ,  Sharad Agarwal ,  Alex Hehmeyer

IPC分类号： H04W4/02 ,  H04M3/42

CPC分类号： H04W4/02 ,  H04L67/18 ,  H04L67/24 ,  H04L67/26 ,  H04M3/4931 ,  H04M2242/15 ,  H04W4/023 ,  H04W4/029

摘要： Attributes including presence and organization information for contacts of a subscriber are used in determining a subset of contacts matching a predefined criterion. Determined subset of contacts is sent as an alert to notify the subscriber to the subsets' nearby proximity.

摘要翻译： 使用包括用户联系人的存在和组织信息的属性来确定与预定标准相匹配的联系人的子集。 确定的联系人的子集作为警报发送，以通知用户附近的子集。

公开(公告)号：US20130047445A1

公开(公告)日：2013-02-28

申请号：US13199432

申请日：2011-08-29

申请人： Yu Zheng

发明人： Yu Zheng

IPC分类号： A47G21/04

CPC分类号： A47G21/04

摘要： A spoon has a bowled area having a base and a surrounding edge extending around the base, and an elongated handle attached to the bowled area, with the handle having a base. A plurality of holes are provided in the base of the handle adjacent the bowled area.

摘要翻译： 勺具有具有基部和围绕基部延伸的周边边缘的保龄球区域，以及连接到保龄球区域的细长手柄，手柄具有底座。 多个孔设置在与保龄球区相邻的把手的基部中。