专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US09582707B2 Head pose estimation using RGBD camera 有权
标题翻译：使用RGBD摄像头的头部姿态估计
公开(公告)号：US09582707B2
公开(公告)日：2017-02-28
申请号：US13456061
申请日：2012-04-25
申请人： Piyush Sharma , Ashwin Swaminathan , Ramin Rezaiifar , Qi Xue
发明人： Piyush Sharma , Ashwin Swaminathan , Ramin Rezaiifar , Qi Xue
IPC分类号： H04N13/02 , G06K9/00 , G06T7/00
CPC分类号： G06K9/00234 , G06T7/73 , G06T2207/10016 , G06T2207/10024 , G06T2207/10028 , G06T2207/30201
摘要： A three-dimensional pose of the head of a subject is determined based on depth data captured in multiple images. The multiple images of the head are captured, e.g., by an RGBD camera. A rotation matrix and translation vector of the pose of the head relative to a reference pose is determined using the depth data. For example, arbitrary feature points on the head may be extracted in each of the multiple images and provided along with corresponding depth data to an Extended Kalman filter with states including a rotation matrix and a translation vector associated with the reference pose for the head and a current orientation and a current position. The three-dimensional pose of the head with respect to the reference pose is then determined based on the rotation matrix and the translation vector.
摘要翻译：基于在多个图像中捕获的深度数据来确定被摄体头部的三维姿态。头部的多个图像例如通过RGBD照相机被捕获。使用深度数据确定头部相对于参考姿势的姿态的旋转矩阵和平移向量。例如，可以在多个图像中的每一个中提取头上的任意特征点，并将其与相应的深度数据一起提供给扩展卡尔曼滤波器，该扩展卡尔曼滤波器的状态包括旋转矩阵和与头部的参考姿势相关联的平移向量当前方向和当前位置。然后基于旋转矩阵和平移向量来确定头部相对于参考姿势的三维姿态。

2. 发明申请

US20120293635A1 HEAD POSE ESTIMATION USING RGBD CAMERA 有权
标题翻译：使用RGBD摄像机的头枕估计
公开(公告)号：US20120293635A1
公开(公告)日：2012-11-22
申请号：US13456061
申请日：2012-04-25
申请人： Piyush Sharma , Ashwin Swaminathan , Ramin Rezaiifar , Qi Xue
发明人： Piyush Sharma , Ashwin Swaminathan , Ramin Rezaiifar , Qi Xue
IPC分类号： G06K9/20 , G06K9/48 , H04N13/02 , G06K9/46
CPC分类号： G06K9/00234 , G06T7/73 , G06T2207/10016 , G06T2207/10024 , G06T2207/10028 , G06T2207/30201
摘要： A three-dimensional pose of the head of a subject is determined based on depth data captured in multiple images. The multiple images of the head are captured, e.g., by an RGBD camera. A rotation matrix and translation vector of the pose of the head relative to a reference pose is determined using the depth data. For example, arbitrary feature points on the head may be extracted in each of the multiple images and provided along with corresponding depth data to an Extended Kalman filter with states including a rotation matrix and a translation vector associated with the reference pose for the head and a current orientation and a current position. The three-dimensional pose of the head with respect to the reference pose is then determined based on the rotation matrix and the translation vector.
摘要翻译：基于在多个图像中捕获的深度数据来确定被摄体头部的三维姿态。头部的多个图像例如通过RGBD照相机被捕获。使用深度数据确定头部相对于参考姿势的姿态的旋转矩阵和平移向量。例如，可以在多个图像的每一个中提取头上的任意特征点，并将其与相应的深度数据一起提供给扩展卡尔曼滤波器，该扩展卡尔曼滤波器的状态包括旋转矩阵和与头部的参考姿势相关联的平移矢量，当前方向和当前位置。然后基于旋转矩阵和平移向量来确定头部相对于参考姿势的三维姿态。

3. 发明授权

US09729467B2 Method and apparatus for managing congestion in a wireless system 有权
公开(公告)号：US09729467B2
公开(公告)日：2017-08-08
申请号：US12703665
申请日：2010-02-10
申请人： Ramin Rezaiifar , Peerapol Tinnakornsrisuphap
发明人： Ramin Rezaiifar , Peerapol Tinnakornsrisuphap
IPC分类号： G06F15/173 , H04L12/911 , H04L12/819 , H04L12/825 , H04W28/10 , H04L12/24 , H04L12/813 , H04L12/26 , H04L12/851 , H04L12/801 , H04W28/22 , H04W48/16 , H04W74/00
CPC分类号： H04L47/824 , H04L41/5022 , H04L43/16 , H04L47/10 , H04L47/11 , H04L47/14 , H04L47/20 , H04L47/21 , H04L47/215 , H04L47/24 , H04L47/2483 , H04L47/25 , H04L47/70 , H04W28/10 , H04W28/22 , H04W48/16 , H04W74/00
摘要： Systems and methodologies are described herein that facilitate congestion control in a wireless communication system. As described herein, an access network and associated terminals can utilize a token bucket access control mechanism, through which respective terminals can be allotted access tokens and/or other units for access to the access network. For example, upon requesting access to a given network, a user of the network can determine whether sufficient access tokens have been accumulated, based on which the request can be selectively allowed or denied. As further described herein, multiple token bucket mechanisms can be utilized, which can correspond to respective packet flows or the like. Additionally, token bucket access control can be implemented as described herein in cooperation with conventional access persistence functionality. Further aspects described herein facilitate the adjustment of token bucket parameters for network access control based on network loading.

4. 发明授权

US09268871B2 Methods and apparatus for obtaining content with reduced access times 有权
标题翻译：获取内容减少访问时间的方法和装置
公开(公告)号：US09268871B2
公开(公告)日：2016-02-23
申请号：US12580033
申请日：2009-10-15
申请人： Ramin Rezaiifar , Rohit Kapoor , Bibhu P. Mohanty , Michael Mitrani
发明人： Ramin Rezaiifar , Rohit Kapoor , Bibhu P. Mohanty , Michael Mitrani
IPC分类号： G06F15/16 , H04L29/06 , G06F17/30 , H04L1/08 , H04L1/18 , H04L29/08
CPC分类号： G06F17/30899 , H04L1/08 , H04L1/1812 , H04L67/02 , H04L67/2842
摘要： A method and apparatus for obtaining content with reduces round trip times is provided. The method may comprise transmitting, from a device, a primary content item request to a proxy server to obtain a primary content item using a first protocol, receiving the primary content item from the remote proxy using the first protocol, generating one or more secondary content item requests for one or more secondary content items associated with the primary content item, transmitting the one or more secondary content item requests to the proxy server using a second protocol, wherein the second protocol decouples the one or more secondary content item requests from an acknowledgement of receipt of the one or more secondary content item requests, and receiving at least one of the one or more secondary content items from the proxy server using the second protocol.
摘要翻译：提供了一种减少往返时间来获得内容的方法和装置。该方法可以包括从设备将主要内容项目请求发送到代理服务器以使用第一协议获得主要内容项目，使用第一协议从远程代理接收主要内容项目，生成一个或多个次要内容对与主要内容项目相关联的一个或多个次要内容项目的项目请求，使用第二协议向所述代理服务器发送所述一个或多个次要内容项目请求，其中所述第二协议将所述一个或多个次要内容项目请求从确认接收一个或多个次要内容项目请求，以及使用第二协议从代理服务器接收一个或多个次要内容项目中的至少一个。

5. 发明授权

US09094979B2 Load balancing in a wireless communication system 有权
标题翻译：无线通信系统中的负载均衡
公开(公告)号：US09094979B2
公开(公告)日：2015-07-28
申请号：US12466151
申请日：2009-05-14
申请人： Ramin Rezaiifar , Rashid Ahmed A. Attar , Christopher G. Lott
发明人： Ramin Rezaiifar , Rashid Ahmed A. Attar , Christopher G. Lott
IPC分类号： H04W72/00 , H04W72/04 , H04W72/02
CPC分类号： H04W72/0486 , H04W72/02 , H04W72/042
摘要： Techniques for selecting a serving sector for a terminal based on server selection information in order to balance the load of sectors in a wireless communication system are described. The server selection information for each sector may be set based on the load of the sector and may be used to rank the sector for selection as a serving sector. In one design, a terminal may receive server selection information for multiple sectors. The server selection information for each sector may include an offset used to adjust a measurement made by the terminal for the sector, a priority of the sector for selection as a serving sector, a DRCLock set based on the load of the sector, etc. The terminal may determine received signal qualities of the sectors. The terminal may then select one of the sectors as a serving sector based on the server selection information and the received signal qualities of the sectors.
摘要翻译：描述了基于服务器选择信息为终端选择服务扇区以平衡无线通信系统中的扇区负载的技术。可以基于扇区的负载来设置每个扇区的服务器选择信息，并且可以使用该扇区对扇区进行排序以供选择作为服务扇区。在一种设计中，终端可以接收多个扇区的服务器选择信息。每个扇区的服务器选择信息可以包括用于调整由终端为扇区所做的测量的偏移，用于选择服务扇区的扇区的优先级，基于扇区的负载的DRCLock集合等。终端可以确定扇区的接收信号质量。然后，终端可以基于服务器选择信息和扇区的接收信号质量来选择扇区中的一个作为服务扇区。

6. 发明授权

US08605801B2 Pilot signal set management in a multi-carrier communication system 有权
公开(公告)号：US08605801B2
公开(公告)日：2013-12-10
申请号：US12466698
申请日：2009-05-15
申请人： Ramin Rezaiifar , Christopher G. Lott , Donna Ghosh , Peter J. Black , Rashid Ahmed A. Attar
发明人： Ramin Rezaiifar , Christopher G. Lott , Donna Ghosh , Peter J. Black , Rashid Ahmed A. Attar
IPC分类号： H04W36/00 , H04W40/00
CPC分类号： H04W36/18 , H04W16/02 , H04W36/04 , H04W36/30
摘要： In a wireless communication system where different frequency bands are deployed to generate various communication zones, pilot signal set management for a plurality of pilot signals generated from an additional coverage zone is based on identifying a preselected signal set from the plurality of pilot signals and determining whether a predetermined criterion is met.

7. 发明授权

US08363616B2 Method and apparatus for channel optimization during point-to-point protocol (PPP) session requests 有权
标题翻译：点对点协议（PPP）会话请求期间信道优化的方法和装置
公开(公告)号：US08363616B2
公开(公告)日：2013-01-29
申请号：US11678521
申请日：2007-02-23
申请人： Ramin Rezaiifar , Raymond Tah-Sheng Hsu , Nischal Abrol
发明人： Ramin Rezaiifar , Raymond Tah-Sheng Hsu , Nischal Abrol
IPC分类号： H04W4/00 , H04W36/00
CPC分类号： H04W8/12 , H04W76/20 , H04W80/04
摘要： A method and apparatus for requesting Point-to-Point Protocol (PPP) instances from a packet data services network includes a mobile station configured to send an origination message to a packet data service node (PDSN) at which it has arrived upon leaving the vicinity of another PDSN. The message informs the new PDSN of the new location of the mobile station and indicates both the number of dormant PPP instances associated with the mobile station and a service reference identifier for each such PPP instance. A flag within the message may be used to indicate whether the PPP instances are dormant (i.e., whether the mobile station is engaged in a call). Communications channel resources of packet data services nodes are optimized by reducing the information included in messages from the Packet Control Function network element to the Packet Data Service Node network element, and by reducing the use of Mobile Internet Protocol agent advertisement.
摘要翻译：一种用于从分组数据服务网络请求点对点协议（PPP）实例的方法和装置，包括：移动站，被配置为向离开附近的到达的分组数据服务节点（PDSN）发送发起消息的另一个PDSN。该消息通知新的PDSN移动站的新位置，并指示与移动站相关联的休眠PPP实例的数量和每个这样的PPP实例的服务参考标识。消息内的标志可以用于指示PPP实例是否处于休眠状态（即移动台是否进行呼叫）。通过将分组控制功能网元的消息中包含的信息减少到分组数据业务节点网元，并减少使用移动互联网协议代理广告来优化分组数据业务节点的通信信道资源。

8. 发明授权

US08325687B2 Techniques for enhanced backhaul flow control 有权
标题翻译：增强回程流控制技术
公开(公告)号：US08325687B2
公开(公告)日：2012-12-04
申请号：US12436421
申请日：2009-05-06
申请人： Peerapol Tinnakornsrisuphap , Mehmet Yavuz , Ramin Rezaiifar , Vikram Gupta
发明人： Peerapol Tinnakornsrisuphap , Mehmet Yavuz , Ramin Rezaiifar , Vikram Gupta
IPC分类号： H04L12/28 , H04J3/00 , H04M1/00 , G06F15/16
CPC分类号： H04W28/14 , H04L47/10 , H04L47/14 , H04L47/26 , H04L47/30
摘要： Techniques for enhanced backhaul flow control are provided. In an exemplary embodiment, a backhaul control system is described that comprises a base station controller (BSC), a backhaul network, and a base transceiver station (BTS). Each is responsive to data and messaging transmitted and received. In one aspect, the BTS includes a queue and a controller. The amount of data in a queue is adjusted by a controller based upon calculating a target queue size value. The controller non-uniformly adjusts the amount of data in a queue based upon a target queue size value which is based upon communication system parameters. The target queue size and amount of data in a queue is adjusted so as to reduce buffer underrun, decrease system latency, and increase communication system throughput.
摘要翻译：提供了用于增强回程流控制的技术。在示例性实施例中，描述了一种回程控制系统，其包括基站控制器（BSC），回程网络和基站收发器（BTS）。每个都响应于发送和接收的数据和消息。在一个方面，BTS包括队列和控制器。基于计算目标队列大小值，控制器调整队列中的数据量。控制器基于基于通信系统参数的目标队列大小值，不均匀地调整队列中的数据量。调整目标队列大小和队列数据量，以减少缓冲区欠载，降低系统延迟并增加通信系统吞吐量。

9. 发明申请

US20110026497A1 MULTIPLEXING ON THE REVERSE LINK FEEDBACKS FOR MULTIPLE FORWARD LINK FREQUENCIES 有权
标题翻译：针对多个前向链路频率的反向链路反馈进行多路复用
公开(公告)号：US20110026497A1
公开(公告)日：2011-02-03
申请号：US12906378
申请日：2010-10-18
申请人： Ramin Rezaiifar , Parag Agashe , Peter J. Black
发明人： Ramin Rezaiifar , Parag Agashe , Peter J. Black
IPC分类号： H04W72/04
CPC分类号： H04W72/0466 , G11B5/40 , G11B5/8404 , H04J13/0003
摘要： The present patent application comprises a method and apparatus for multiplexing reverse link feedback channels on a single reverse link frequency supporting multiple forward link frequencies for forward link channels, comprising assigning the reverse link frequency to a mobile station, assigning one or more of the forward link frequencies to the reverse link frequency, and code division multiplexing a plurality of the reverse link feedback channels on the reverse link frequency
摘要翻译：本专利申请包括用于在支持前向链路信道的多个前向链路频率的单个反向链路频率上复用反向链路反馈信道的方法和装置，包括将反向链路频率分配给移动站，分配一个或多个前向链路频率到反向链路频率，并且在反向链路频率上对多个反向链路反馈信道进行码分复用

10. 发明授权

US07860061B2 Method and apparatus for handoff of a wireless packet data services connection 有权
标题翻译：无线分组数据业务连接切换的方法和装置
公开(公告)号：US07860061B2
公开(公告)日：2010-12-28
申请号：US11390611
申请日：2006-03-27
申请人： Nischal Abrol , Ramin Rezaiifar
发明人： Nischal Abrol , Ramin Rezaiifar
IPC分类号： H04W4/00 , H04W36/00 , H04L12/28 , H04L12/56
CPC分类号： H04W36/12
摘要： A novel method and apparatus is disclosed for performing seamless handoff of a mobile station (MS) between Radio Access Networks (RANs) that use different types of wireless interfaces. The described embodiments enable an MS to handoff between different RANs without causing routing ambiguity, and without substantial loss of network data. Upon moving from the coverage area of a first RAN using a first wireless interface to the coverage area of a second RAN using a second wireless interface, an MS determines whether routing ambiguity may result from the change of RAN and, based on the determination, triggers a re-registration of its network address. A foreign agent (FA) within a packet data serving node (PDSN) monitors network address re-registrations in order to determine whether multiple RAN-PDSN (R-P) connections are being created for the same MS. Based on this determination, the PDSN terminates redundant R-P network connections resulting from movement of the MS between different RANs.
摘要翻译：公开了一种新颖的方法和装置，用于在使用不同类型的无线接口的无线电接入网络（RAN）之间执行移动台（MS）的无缝切换。所描述的实施例使得MS能够在不引起路由模糊性的情况下在不同RAN之间进行切换，并且不会显着损失网络数据。使用第二无线接口，使用第一无线接口从第一RAN的覆盖区域移动到第二RAN的覆盖区域时，MS确定是否可以由RAN的改变导致路由模糊性，并且基于该确定触发重新注册其网络地址。分组数据服务节点（PDSN）内的外部代理（FA）监视网络地址重新注册，以便确定是否为相同的MS创建多个RAN-PDSN（R-P）连接。基于该确定，PDSN终止由不同RAN之间的MS的移动导致的冗余R-P网络连接。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式