Patents by Inventor Weimin Huang
Weimin Huang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20220207994Abstract: A method, a system, and a computer program product are provided for predicting road closure in a region. The method comprises obtaining, probe data, such as sensor data, and map data, for the region. The method may include detecting a change in speed of a one or more vehicle on a road, based on the obtained probe data and the obtained map data for the region, wherein the change in speed is associated with a slowdown event associated with the one or more vehicles. The method may include identifying a vehicle event on the road based on the detected change in speed of the one or more vehicles, wherein the vehicle event is associated with a location corresponding to a matching trajectory of the one or more vehicles and predicting the road closure based on the identified vehicle event.Type: ApplicationFiled: December 30, 2020Publication date: June 30, 2022Inventors: Jingwei XU, Yuxin GUAN, Bruce BERNHARDT, Weimin HUANG
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Publication number: 20220172616Abstract: A method, apparatus and computer program product for determining a road work event confidence are described herein. In the context of a method, the method may determine a road network speed profile corresponding with a road work event location. The method may determine, based at least in part on probe data corresponding with the road work event location, a probe speed profile. The method may determine the road work event confidence based at least in part on evaluation of the road network speed profile and the probe speed profile. Evaluation of the road network speed profile and the probe speed profile may comprise identifying a plurality of road segments corresponding with the road work event location and correlating road network speed profile characteristics and probe data characteristics for each respective road segment.Type: ApplicationFiled: December 1, 2020Publication date: June 2, 2022Inventors: Jingwei Xu, Yuxin Guan, Weimin Huang, Bruce Bernhardt
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Publication number: 20220165150Abstract: A system, a method, and a computer program product may be provided for determining dynamic road capacity data of one or more lanes of a road segment in a region. A system may include a memory configured to store computer program code and a processor configured to execute the computer program code to obtain probe data, historical capacity dynamic pattern data and event data. The processor may be configured to calculate road capacity data of the lane. The processor may be configured to calculate a count of movable objects in the lane. The processor may be configured to determine a traffic condition of the lane. The processor may be configured to determine the dynamic road capacity data based on the road capacity data, the count of one or more movable objects, the historical capacity dynamic pattern data and the traffic condition of the at least one lane of the road segment.Type: ApplicationFiled: November 24, 2020Publication date: May 26, 2022Inventors: Jingwei XU, Bruce BERNHARDT, Weimin HUANG, Yuxin GUAN
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Patent number: 11295615Abstract: A method for providing alerts for a traffic slowdown includes receiving location data for at least a first vehicle of a plurality of vehicles, map matching the location data for at least the first vehicle to a road network, calculating an approaching speed for at least the first vehicle at a first time, calculating a final speed for at least the first vehicle at a second time, and generating a traffic slowdown message in response to the approaching speed and the final speed. The traffic slowdown message includes at least one characteristic of the traffic slowdown.Type: GrantFiled: October 24, 2019Date of Patent: April 5, 2022Assignee: HERE Global B.V.Inventors: Jingwei Xu, Pradeep Maddineni, Bruce Bernhardt, Yuxin Guan, Zongyi Xuan, Weimin Huang, Jennifer Carter, Casey Bennett, Yingzhou Yu, Mark Timms
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Publication number: 20220038860Abstract: An approach is provided for identifying and characterizing mobile work zones (e.g., roadway striping, pothole filling, tree trimming, etc.). The approach, for example, involves processing probe data at a lane level to determine at least one forward forming shockwave associated with a congestion front of a mobile roadwork zone on at least one lane. The approach also involves providing data indicating the mobile roadwork zone as an output. The approach further involves determining a propagation rate of the mobile roadwork zone. The approach further involves determining a congestion recovery speed, where the congestion is caused by the mobile roadwork zone.Type: ApplicationFiled: July 28, 2021Publication date: February 3, 2022Inventors: Jingwei XU, Yuxin GUAN, Bruce BERNHARDT, Weimin HUANG
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Publication number: 20220018674Abstract: An approach is provided for providing a recommended route and departure time combination based on real-time estimated times of arrival (ETAs). The approach, for example, involves determining a plurality of candidate routes between an origin and at least one destination. The approach also involves retrieving real-time information, historical information, predicted information, or a combination thereof associated with the origin, the destination, the plurality of candidate routes, or a combination thereof. The approach further involves calculating respective cost values (e.g., ETAs) for traveling for the plurality of candidate routes at a plurality of different departure times. The respective cost values are based on the real-time information, the historical information, the predicted information, or a combination thereof. The approach further involves determining a recommended route and departure time combination based on the respective cost values.Type: ApplicationFiled: July 13, 2021Publication date: January 20, 2022Inventors: Jingwei XU, Yuxin GUAN, Bruce BERNHARDT, Weimin HUANG
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Publication number: 20210343031Abstract: The invention relates to a computerized method (200) for localizing a lesion in an organ of a subject, comprises performing: a first image registration operation (400) for determining a rigid transformation matrix based on alignment of a two-dimensional ultrasound (2D-US) image representation (116) and a three-dimensional computed tomography (3D-CT) image representation (120) of the organ, the 2D-US image representation (116) acquired from a transducer probe (114); a second image registration operation (500) for refining the rigid transformation matrix based on image feature descriptors of the 2D-US and 3D-CT image representations (116, 120); and a localization operation (600) for localizing the lesion relative to the transducer probe (114) based on the refined rigid transformation matrix and a 3D-CT position of the lesion in the 3D-CT image representation (120). A system for performing the method is also disclosed herein.Type: ApplicationFiled: August 29, 2018Publication date: November 4, 2021Inventors: Yanling CHI, Weimin HUANG, Jiayin ZHOU, Kyaw Kyar TOE, Stephen CHANG, Chee Kong CHUI
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Patent number: 11127285Abstract: A method for improved traffic congestion estimation is provided using signal phase and timing data from traffic signals at intersections and probe data from vehicles traversing said intersections. An example method may include: identifying each of a plurality of paths through an intersection; identifying signal phase and timing data for each traffic light associated with each path through the intersection; receiving probe data for vehicles approaching or traversing the intersection; estimating a number of vehicles failing to traverse the intersection along a path through the intersection; estimating a congestion status of the path through the intersection based on the number of vehicles failing to traverse the intersection; and causing the congestion status to be provided to permit updating of a map to reflect the congestion status.Type: GrantFiled: December 21, 2018Date of Patent: September 21, 2021Assignee: HERE GLOBAL B.V.Inventors: Jingwei Xu, Xin Gao, Weimin Huang, Bruce Bernhardt
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Publication number: 20210174669Abstract: A system, a method, and a computer program product may be provided for generating traffic congestion estimation data of one or more lanes in a region. A system may include a memory configured to store computer program code and a processor configured to execute the computer program code to obtain image data associated with the region. The processor may be configured to determine a count of one or more first movable objects in one or lanes, based on image data, calculate a lane object static capacity of the one or more lanes, based on one or more map free flow or speed limit attributes associated with the one or more lanes and generate the traffic congestion estimation data based on count of first movable objects in the one or more lanes, the moving speed of movable objects crossing multiple image frames, the lane object static capacity of lanes.Type: ApplicationFiled: December 9, 2019Publication date: June 10, 2021Inventors: Yuxin GUAN, Jingwei XU, Arnold SHEYNMAN, Bruce BERNHARDT, Weimin HUANG
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Patent number: 10832492Abstract: The present disclosure generally relates to an automated method and system for generating a panoramic visualization of a coronary arterial tree of a subject. The method comprises: acquiring an image volume of a thoracic cavity of the subject, the image volume providing a three-dimensional (3D) representation of the thoracic cavity; isolating a coronary structure in the 3D representation by abating one or more other anatomical structures in the thoracic cavity; abating one or more portions of the coronary structure in the 3D representation that attenuate visualization of the coronary arterial tree; generating, by maximum intensity projection (MIP), a plurality of MIP images of the coronary structure from the 3D representation; and compositing the MIP images to generate the panoramic visualization of the coronary arterial tree.Type: GrantFiled: March 31, 2017Date of Patent: November 10, 2020Assignees: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH, SINGAPORE HEALTH SERVICES PTE LTDInventors: Yanling Chi, Liang Zhong, Ru San Tan, Weimin Huang, Jiayin Zhou, Kyaw Kyar Toe
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Publication number: 20200253832Abstract: An automatic breastfeeding method of a premature infant is disclosed, which includes a preparation stage, an active lactation stage, a passive lactation stage and a rest stage. The invention also provides an automatic breastfeeding machine used for the automatic breastfeeding method of a premature infant, comprising a stomach tube, a lactation supply device, a detector and a control device. According to the invention, a self-sucking ability of the premature infant is trained, normal circulation of a mouth-pharyngeal-gastric-intestinal reflex of the premature infant is realized, and nutritional requirements of the premature infant are ensured in the case of taking differences of the premature infants into account, so that the premature infants have no difference with term infants in care, diet, neurological development and growth and development in the future.Type: ApplicationFiled: January 11, 2018Publication date: August 13, 2020Inventors: Hongping LI, Xinyong CHEN, Xikai YANG, Yanan LU, Weimin HUANG
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Publication number: 20200205664Abstract: There is provided a method for multi-modal imaging of tissue.Type: ApplicationFiled: July 3, 2018Publication date: July 2, 2020Inventors: Jun Hui Chris Ho, Renzhe Bi, Chi Lok Dave Wong, Malini Olivo, Tao Yang, Zhongkang Lu, Weimin Huang, Kapil Dev
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Patent number: 10687896Abstract: A method for surgical resection planning of a mass includes the steps of, modelling the mass based on a plurality of physical dimensions, determining a plurality of safety margins around a plurality of features within the mass, simulating a resection surface on the mass that includes a plurality of triangles, optimizing local area and position of a first of the plurality of triangles on the resection surface based on a triangle-based algorithm, updating the simulation of the resection surface, and repeating the steps of optimizing and updating for each of the plurality of triangles on the resection surface.Type: GrantFiled: June 11, 2014Date of Patent: June 23, 2020Assignees: Agency for Science, Technology and Research, National University Hospital (Singapore) Pte Ltd.Inventors: Wenyu Chen, Sudhakar K. Venkatesh, Qi Tian, Jianyin Zhou, Weimin Huang, Wei Xiong, Oo Thiha
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Publication number: 20200135022Abstract: A method for providing alerts for a traffic slowdown includes receiving location data for at least a first vehicle of a plurality of vehicles, map matching the location data for at least the first vehicle to a road network, calculating an approaching speed for at least the first vehicle at a first time, calculating a final speed for at least the first vehicle at a second time, and generating a traffic slowdown message in response to the approaching speed and the final speed. The traffic slowdown message includes at least one characteristic of the traffic slowdown.Type: ApplicationFiled: October 24, 2019Publication date: April 30, 2020Inventors: Jingwei Xu, Pradeep Maddineni, Bruce Bernhardt, Yuxin Guan, Zongyi Xuan, Weimin Huang, Jennifer Carter, Casey Bennett, Yingzhou Yu, Mark Timms
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Patent number: 10586449Abstract: A method, apparatus and computer program product are provided to selectively utilize one or more networks in order to reliably communicate the information regarding one or more traffic signals and one or more intersections controlled by respective traffic signals. In the context of a method, the method includes communicating with a first network in order to receive information with a mobile platform regarding one or more traffic signals and information regarding one or more intersections. At least one traffic signal is associated with a respective intersection. The method also includes identifying a first switching condition and communicating with a second network, different than the first network, in order to receive the information regarding the one or more traffic signals and the information regarding the one or more intersections following identification of the first switching condition.Type: GrantFiled: January 18, 2019Date of Patent: March 10, 2020Assignee: HERE Global B.V.Inventors: Arnold Sheynman, Jingwei Xu, Weimin Huang, Bruce Bernhardt
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Patent number: 10517605Abstract: According to embodiments of the present invention, an embolic device for embolizing a target vascular site is provided. The embolic device includes a biodegradable shape memory element having an original shape and a deformed shape, wherein the biodegradable shape memory element in the deformed shape is in at least one dimension of a smaller size than the biodegradable shape memory element in the original shape, and wherein the biodegradable shape memory element is provided in the deformed shape and configured to resume the original shape in response to an external stimulus being applied to the biodegradable shape memory element in its deformed shape, to embolize the target vascular site and prevent fluid flow through the target vascular site. According to further embodiments of the present invention, an apparatus for embolizing a target vascular site and a method thereof are also provided.Type: GrantFiled: January 8, 2015Date of Patent: December 31, 2019Assignees: Nanyang Technological University, Singapore Health Services PTE LtdInventors: Subramanian Venkatraman, Weimin Huang, Yee Shan Wong, Abhijit Vijay Salvekar, Kiang Hiong Tay
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Patent number: 10395523Abstract: A method is provided for identifying and indexing lanes of an intersection. Methods may include: determining a directionality for one or more lanes for each of two or more roadways proximate an intersection, where directionality is one of toward the intersection or away from the intersection; determining a bearing for each lane of the two or more roadways proximate the intersection, where the bearing includes a compass heading informed by the directionality; determining a lane position for each lane of the two or more roadways proximate the intersection; generating an order of the lanes using a hierarchy, where the hierarchy considers directionality first, bearing second, and lane position third; causing the generated order of the lanes to be stored in a memory, where the order of the lanes is associated with the intersection; and managing signal phase and timing of the intersection using the generated order of the lanes.Type: GrantFiled: November 5, 2018Date of Patent: August 27, 2019Assignee: HERE Global B.V.Inventors: Samuel Radomy, Jingwei Xu, Weimin Huang, Bruce Bernhardt
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Patent number: 10349910Abstract: A method for assessing blood vessel stenosis using image data of a subject is disclosed. The image data represents a vascular structure of the subject. The method comprises: (a) segmenting, from the image data, a vessel segment representing a segment of a blood vessel, (b) obtaining, using the image data, a plurality of two-dimensional images of the vessel segment; said plurality of two-dimensional images representing respective cross-sections of the vessel segment, (c) identifying, for each of the plurality of two-dimensional images, a lumen area comprising lumen pixels representing a lumen of the corresponding cross-section, (d) obtaining a quantitative measure using the lumen areas of successive cross-sections of the vessel segment, and (e) assessing blood vessel stenosis using the quantitative measure. A computer system for performing the above method is disclosed.Type: GrantFiled: March 30, 2016Date of Patent: July 16, 2019Assignees: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH, SINGAPORE HEALTH SERVICES PTE LTDInventors: Liang Zhong, Ru San Tan, Weimin Huang, Jiayin Zhou, Yuping Duan, Wei Xiong, Yanling Chi, Kyaw Kyar Toe
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Publication number: 20190156669Abstract: A method, apparatus and computer program product are provided to selectively utilize one or more networks in order to reliably communicate the information regarding one or more traffic signals and one or more intersections controlled by respective traffic signals. In the context of a method, the method includes communicating with a first network in order to receive information with a mobile platform regarding one or more traffic signals and information regarding one or more intersections. At least one traffic signal is associated with a respective intersection. The method also includes identifying a first switching condition and communicating with a second network, different than the first network, in order to receive the information regarding the one or more traffic signals and the information regarding the one or more intersections following identification of the first switching condition.Type: ApplicationFiled: January 18, 2019Publication date: May 23, 2019Applicant: HERE GLOBAL B.V.Inventors: Arnold SHEYNMAN, Jingwei XU, Weimin HUANG, Bruce BERNHARDT
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Publication number: 20190122445Abstract: The present disclosure generally relates to an automated method and system for generating a panoramic visualization of a coronary arterial tree of a subject. The method comprises: acquiring an image volume of a thoracic cavity of the subject, the image volume providing a three-dimensional (3D) representation of the thoracic cavity; isolating a coronary structure in the 3D representation by abating one or more other anatomical structures in the thoracic cavity; abating one or more portions of the coronary structure in the 3D representation that attenuate visualization of the coronary arterial tree; generating, by maximum intensity projection (MIP), a plurality of MIP images of the coronary structure from the 3D representation; and compositing the MIP images to generate the panoramic visualization of the coronary arterial tree.Type: ApplicationFiled: March 31, 2017Publication date: April 25, 2019Applicants: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH, SINGAPORE HEALTH SERVICES PTE LTDInventors: Yanling CHI, Liang ZHONG, Ru San TAN, Weimin HUANG, Jiayin ZHOU, Kyaw Kyar TOE