公开(公告)号：US10606468B2

公开(公告)日：2020-03-31

申请号：US14947011

申请日：2015-11-20

Applicant: International Business Machines Corporation

Inventor： Yu Gu ,  Inseok Hwang ,  Su Liu ,  Eric J. Rozner ,  Yaoguang Wei ,  Chungkuk Yoo

IPC: G06F3/0488 ,  G06F1/16 ,  G06F3/042 ,  G06F3/041

Abstract: An aspect of the disclosure includes a method, a system and a computer program product for removing dynamic images when determining the position of an object relative to a reflective surface. The method includes acquiring a first image of an object and the reflective surface with a camera, the camera positioned adjacent the reflective surface. It is determined when a dynamic element is displayed on the reflective surface. A second image is generated by subtracting the dynamic element from the first image. The object is identified in one of the first image and second image. A reflection of the object on the reflective surface is identified in the second image. Three-dimensional coordinates of at least a portion of the object are determined based at least in part on the identifying of the object and the identifying of the reflection of the object.

公开(公告)号：US20190158404A1

公开(公告)日：2019-05-23

申请号：US16240529

申请日：2019-01-04

Applicant: International Business Machines Corporation

Inventor： Kanak B. Agarwal ,  John Carter ,  Wesley M. Felter ,  Yu Gu ,  Keqiang He ,  Eric J. Rozner

IPC: H04L12/801 ,  H04L12/807 ,  H04L12/26

CPC classification number: H04L47/12 ,  H04L43/026 ,  H04L43/0882 ,  H04L43/16 ,  H04L47/27

Abstract: At an application executing in conjunction with a vSwitch in a host system, using a processor assigned to the vSwitch in the host system, a flow of a number of packets is received from a VM. At the application, a set of CWND values is computed using a corresponding set of congestion control algorithms. At the application, a determination is made whether any of the CWND values in the set of CWND values match the number of packets in the flow within a tolerance value. In response to a CWND value in the set of CWND matching the number of packets in the flow within the tolerance value, a conclusion is drawn that a type of the congestion control algorithm which computed the matching CWND value is the type of a local congestion control algorithm implemented within the VM.

公开(公告)号：US10098000B2

公开(公告)日：2018-10-09

申请号：US15346328

申请日：2016-11-08

Applicant: International Business Machines Corporation

Inventor： Si Bin Fan ,  Yu Gu ,  Su Liu ,  Cheng Xu

IPC: G06F15/173 ,  H04W12/08 ,  G06K7/10 ,  H04W4/021

Abstract: An approach is provided that receives, from a radio frequency identification (RFID) tag included with a device, at least three different charge times. Each of the charge times corresponds to a different RFID reader that separately charges the RFID tag with each of the RFID readers being at a different geographic location. A distance between each of the RFID readers and the RFID tag is approximated based on the respective charge times and these approximate distances are used to identify a geographic position of the RFID tag using trilateration. The geographic position of the RFID tag is then used to determine whether to allow the device wireless access to a computer network.

公开(公告)号：US20180176137A1

公开(公告)日：2018-06-21

申请号：US15888285

申请日：2018-02-05

Applicant: International Business Machines Corporation

Inventor： Kanak B. Agarwal ,  John Carter ,  Wesley M. Felter ,  Yu Gu ,  Keqiang He ,  Eric J. Rozner

IPC: H04L12/801 ,  H04L12/26

CPC classification number: H04L47/12 ,  H04L43/08 ,  H04L43/0882 ,  H04L47/27

Abstract: At an application executing in conjunction with a vSwitch in a host system, a CWND value is computed corresponding to a flow from a VM using a period measured by a timer and a number of packets of the flow received and acknowledged in response packets, the number being counted by a counter, the timer being associated with a packet of the flow. The CWND value is stored in a field in a response packet received from a receiver of the flow, the field being designated for carrying a RWND value, the response packet corresponding to a packet in the flow. The storing forms a modified response packet.

公开(公告)号：US09910666B1

公开(公告)日：2018-03-06

申请号：US15243849

申请日：2016-08-22

Applicant: International Business Machines Corporation

Inventor： Debbie A. Anglin ,  Vishal C. Aslot ,  Yu Gu ,  Su Liu

IPC: G06F9/445

CPC classification number: G06F8/656

Abstract: A method and apparatus are provided for implementing system locale management including live locale object update in a computer system. A living locale-object replacement is provided on an operating system without shutdown of the operating system. A Locale-Object Management Daemon (LOMD) checks a predefined living locale object update profile, monitors status of a table of running application and correlated loaded locale-objects and decides if a locale object can be updated in certain nodes for certain applications.

公开(公告)号：US09823782B2

公开(公告)日：2017-11-21

申请号：US14946994

申请日：2015-11-20

Applicant: International Business Machines Corporation

Inventor： Yu Gu ,  Inseok Hwang ,  Su Liu ,  Eric J. Rozner ,  Yaoguang Wei ,  Chungkuk Yoo

IPC: G06F3/042 ,  G06T7/00 ,  G06F3/041

CPC classification number: G06F3/0425 ,  G06F3/0418 ,  G06F2203/04101 ,  G06T7/70

Abstract: Aspects include a method, system, and computer program product for determining the location of an object relative to a reflective surface. The method includes acquiring an image of an object and the reflective surface with a camera, the camera positioned adjacent the reflective surface. The object is identified in the image. A reflection of the object on the reflective surface is identified in the image. Three-dimensional coordinates of at least a portion of the object are determined based at least in part on the object and the reflection of the object in the image.

公开(公告)号：US20170147142A1

公开(公告)日：2017-05-25

申请号：US14947011

申请日：2015-11-20

Applicant: International Business Machines Corporation

Inventor： Yu Gu ,  Inseok Hwang ,  Su Liu ,  Eric J. Rozner ,  Yaoguang Wei ,  Chungkuk Yoo

IPC: G06F3/041 ,  G06T7/00 ,  G06F3/0488

CPC classification number: G06F3/0488 ,  G06F1/1626 ,  G06F1/1643 ,  G06F1/1686 ,  G06F1/169 ,  G06F3/0416 ,  G06F3/0418 ,  G06F3/0425

Abstract: An aspect of the disclosure includes a method, a system and a computer program product for removing dynamic images when determining the position of an object relative to a reflective surface. The method includes acquiring a first image of an object and the reflective surface with a camera, the camera positioned adjacent the reflective surface. It is determined when a dynamic element is displayed on the reflective surface. A second image is generated by subtracting the dynamic element from the first image. The object is identified in one of the first image and second image. A reflection of the object on the reflective surface is identified in the second image. Three-dimensional coordinates of at least a portion of the object are determined based at least in part on the identifying of the object and the identifying of the reflection of the object.

公开(公告)号：US20170134909A1

公开(公告)日：2017-05-11

申请号：US14934324

申请日：2015-11-06

Applicant: International Business Machines Corporation

Inventor： Yu Gu ,  Inseok Hwang ,  Su Liu ,  Yaoguang Wei

IPC: H04W4/04 ,  H04W72/04

CPC classification number: H04W4/043 ,  G01S5/00 ,  H04B17/318 ,  H04L5/006 ,  H04W64/00 ,  H04W72/048 ,  H04W84/12

Abstract: Embodiments of the present disclosure relate to making a localization map for a network. A fixed location for a plurality of wireless devices is received and a bisecting line is determined in a plane for each straight line that joins a pair of the plurality of wireless devices. An initial wireless device access sequence is assigned to each of a plurality of regions created on the localization map by the bisecting lines based on the Euclidean distance of the wireless device to the each of the plurality of regions, wherein the wireless device access sequence is the sequence of the wireless devices that provide the strongest to weakest signal to the region. Receiving from a user computing device a received signal strength (RSS) value for each signal received by the user computing device from each of the plurality of wireless devices and updating the localization map based on RSS values.

公开(公告)号：US09551780B1

公开(公告)日：2017-01-24

申请号：US14986657

申请日：2016-01-02

Applicant: International Business Machines Corporation

Inventor： Si Bin Fan ,  Yu Gu ,  Su Liu ,  Cheng Xu

IPC: G08B5/22 ,  G01S5/02 ,  G06K7/10

CPC classification number: G06K7/10158 ,  G01S5/021 ,  G01S5/0252 ,  G01S13/74 ,  G06K7/10118 ,  G06K7/10128 ,  G06K7/10366 ,  G07C5/08 ,  G08B13/2462

Abstract: An approach is provided in which an RFID reader receives a response signal from an RFID tag affixed to an object. The RFID reader determines a tag charging time of the RFID tag based upon a first point in time that the RFID reader sent a request signal to the RFID tag and a second point in time that the response signal was received by the RFID reader. In turn, the RFID reader identifies a location of the object based on the tag charging time and generates a notification that includes the location of the object.

Abstract translation: 提供了一种方法，其中RFID读取器从附接到对象的RFID标签接收响应信号。 RFID读取器基于RFID读取器向RFID标签发送请求信号的第一时间点和RFID读取器接收到响应信号的第二时间点来确定RFID标签的标签充电时间。 反过来，RFID读取器基于标签充电时间来识别对象的位置，并且生成包括对象的位置的通知。

公开(公告)号：US09473903B1

公开(公告)日：2016-10-18

申请号：US15083406

申请日：2016-03-29

Applicant: International Business Machines Corporation

Inventor： Yu Gu ,  Inseok Hwang ,  Su Liu ,  Yaoguang Wei

IPC: H04W4/04 ,  H04L5/00 ,  H04W84/12

CPC classification number: H04W4/043 ,  G01S5/00 ,  H04B17/318 ,  H04L5/006 ,  H04W64/00 ,  H04W72/048 ,  H04W84/12

Abstract: Embodiments of the present disclosure relate to making a localization map for a network. A fixed location for a plurality of wireless devices is received and a bisecting line is determined in a plane for each straight line that joins a pair of the plurality of wireless devices. An initial wireless device access sequence is assigned to each of a plurality of regions created on the localization map by the bisecting lines based on the Euclidean distance of the wireless device to the each of the plurality of regions, wherein the wireless device access sequence is the sequence of the wireless devices that provide the strongest to weakest signal to the region. Receiving from a user computing device a received signal strength (RSS) value for each signal received by the user computing device from each of the plurality of wireless devices and updating the localization map based on RSS values.

Abstract translation: 本公开的实施例涉及制作网络的定位图。 接收用于多个无线设备的固定位置，并且在连接一对多个无线设备的每条直​​线的平面中确定平分线。 基于无线设备对多个区域中的每一个的欧氏距离，通过平分线将定位​​映射上创建的多个区域中的每一个分配给初始无线设备接入序列，其中无线设备接入序列是 为该地区提供最强信号的无线设备的序列。 从用户计算设备接收由用户计算设备从多个无线设备中的每一个接收的每个信号的接收信号强度（RSS）值，并且基于RSS值更新定位映射。