Patents by Inventor Pengfei Chen

Pengfei Chen 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).

  • Patent number: 11005703
    Abstract: The present disclosure relates to a method, device and product for managing application nodes in a distributed application system. In a method, status of a plurality of application nodes in the distributed application system is obtained. A failed application node is determined among the plurality of application nodes based on the obtained status. A parent application node of the failed application node is determined according to a hierarchical structure of the distributed application system, the hierarchical structure describing connection relationships among the plurality of application nodes.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: May 11, 2021
    Assignee: EMC IP Holding Company LLC
    Inventors: Pengfei Wu, Tianxiang Chen, WuiChak Wong, Zhen Jia, Qing Li, Bo Wei, ChunXi Chen, Bin He
  • Publication number: 20210135974
    Abstract: Techniques for generating a network topology are provided. For example, a method comprises: sending, at an edge node of a network, first exploration data to a first node of the network. The method also comprises receiving from the first node first feedback information for the first exploration data. The first feedback information includes identity information of the first node and first associated node list information, and the first associated node list information includes identity information of nodes associated with the first node in the network. In addition, the method comprises: determining latency between the first node and the second node based on the first latency information and the second latency information. Then, the method further comprises updating the network topology based on the latency between the first node and the second node. Through the method, the present disclosure can provide accurate data support for path optimization.
    Type: Application
    Filed: February 14, 2020
    Publication date: May 6, 2021
    Inventors: Tianxiang Chen, Zhi Ying, Pengfei Wu, Jinpeng Liu
  • Publication number: 20210126970
    Abstract: Methods, devices and computer program products for storing and accessing data are provided, and can effectively improve the performance and scalability of a storage system. For example, a method comprises sending, at a client device and to a seed server of a plurality of servers communicatively coupled to the client device, a request for storing data; receiving a response to the request from the seed server, the response comprising an indication on at least one server of the plurality of servers for storing the data into a target storage device; and sending, to the at least one server, at least one request for storing the data into the target storage device, such that the at least one server stores the data into the target storage device.
    Type: Application
    Filed: February 20, 2020
    Publication date: April 29, 2021
    Inventors: Ruixue Zhang, Pengfei Wu, Zhenzhen Lin, Si Chen
  • Patent number: 10970564
    Abstract: A system and method for instance-level lane detection for autonomous vehicle control includes: receiving training image data from a training image data collection system; performing a training phase to train a plurality of tasks associated with features of the training image data, the training phase including extracting roadway lane marking features from the training image data, causing the plurality of tasks to generate task-specific predictions based on the training image data, determining a bias between the task-specific prediction for each task and corresponding task-specific ground truth data, and adjusting parameters of each of the plurality of tasks to cause the bias to meet a pre-defined confidence level; receiving image data from an image data collection system associated with an autonomous vehicle; and performing an operational phase including extracting roadway lane marking features from the image data, causing the plurality of trained tasks to generate instance-level lane detection results.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: April 6, 2021
    Assignee: TUSIMPLE, INC.
    Inventors: Tian Li, Panqu Wang, Pengfei Chen
  • Patent number: 10962979
    Abstract: A system and method for multitask processing for autonomous vehicle computation and control includes: receiving training image data from a training image data collection system; performing a training phase to train a plurality of tasks associated with features of the training image data, the training phase including extracting common features from the training image data, causing the plurality of tasks to generate task-specific predictions based on the training image data, determining a bias between the task-specific prediction for each task and corresponding task-specific ground truth data, and adjusting parameters of each of the plurality of tasks to cause the bias to meet a pre-defined confidence level; receiving image data from an image data collection system associated with an autonomous vehicle; and performing an operational phase including extracting common features from the image data, causing the plurality of trained tasks to concurrently generate task-specific predictions based on the image data.
    Type: Grant
    Filed: September 30, 2017
    Date of Patent: March 30, 2021
    Assignee: TUSIMPLE, INC.
    Inventors: Xiangchen Zhao, Tian Li, Panqu Wang, Pengfei Chen
  • Publication number: 20210013540
    Abstract: The present invention provides a high-energy-density secondary lithium-ion battery, including: a lithium-ion cell, a steel shell, a protection IC, an integrated IC, resistors, capacitors, an inductor, a MicroUSB interface, a plastic structural part, a square rigid FR-4 substrate, a circular rigid FR-4 substrate and a metal cap, for integrating three functions of a constant voltage output, charge management and protection, overcharge and overdischarge protection, and overcurrent protection. Compared with the prior art, the large-capacity secondary battery of the present invention can achieve multi-functional integration of the battery, and also can save the space occupied by accessory structural parts of the battery and achieve a high energy density of the battery, and is also conducive to improving the reliability.
    Type: Application
    Filed: January 14, 2020
    Publication date: January 14, 2021
    Inventors: Hongbing LIU, Faping ZHONG, Xiaofeng CHEN, Pengfei CHEN, Yinglin GONG, Shunhua HU
  • Publication number: 20210013556
    Abstract: The present invention provides a large-capacity secondary battery, including: a rechargeable cell, a steel shell, a protection IC, an integrated IC, resistors, capacitors, an inductor, an LED lamp, a plastic part, a circular rigid FR-4 substrate, a metal cap, an insulation pad and an insulation heat shrink film, for integrating multiple functions of a constant voltage output, charge management and protection, and overcharge, overdischarge and overcurrent protection. Compared with the prior art, the large-capacity secondary battery of the present invention can achieve multi-functional integration of the battery, and also can save the space occupied by accessory structural parts of the battery and achieve a large capacity of the battery.
    Type: Application
    Filed: January 14, 2020
    Publication date: January 14, 2021
    Inventors: Hongbing LIU, Faping ZHONG, Pengfei CHEN, Xiaofeng CHEN, Yinglin GONG, Shunhua HU
  • Patent number: 10884250
    Abstract: An apparatus and a method for laser beam shaping and scanning. The apparatus includes a digital micromirror device (DMD) including a plurality of micromirrors, configured to receive a first laser beam, adjust an axial position of a focal point of the first laser beam along a moving direction of the first laser beam by controlling a focal length of wavefront of a binary hologram applied to the DMD, and adjust a lateral position of the focal point on a plane perpendicular to the moving direction by controlling a tilted angle of a fringe pattern and a period of fringes of the binary hologram applied to the DMD, wherein the DMD simultaneously functions as programmable binary mask and a blazed grating.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: January 5, 2021
    Assignee: The Chinese University of Hong Kong
    Inventors: Shih-Chi Chen, Qiang Geng, Dien Wang, Pengfei Chen, Dapeng Zhang
  • Publication number: 20200410634
    Abstract: A system and method for fisheye image processing can be configured to: receive fisheye image data from at least one fisheye lens camera associated with an autonomous vehicle, the fisheye image data representing at least one fisheye image frame; partition the fisheye image frame into a plurality of image portions representing portions of the fisheye image frame; warp each of the plurality of image portions to map an arc of a camera projected view into a line corresponding to a mapped target view, the mapped target view being generally orthogonal to a line between a camera center and a center of the arc of the camera projected view; combine the plurality of warped image portions to form a combined resulting fisheye image data set representing recovered or distortion-reduced fisheye image data corresponding to the fisheye image frame; generate auto-calibration data representing a correspondence between pixels in the at least one fisheye image frame and corresponding pixels in the combined resulting fisheye image
    Type: Application
    Filed: September 11, 2020
    Publication date: December 31, 2020
    Inventors: Zhipeng YAN, Pengfei CHEN, Panqu WANG
  • Publication number: 20200394421
    Abstract: A system and method for vehicle occlusion detection is disclosed.
    Type: Application
    Filed: August 28, 2020
    Publication date: December 17, 2020
    Inventors: Hongkai YU, Zhipeng YAN, Panqu WANG, Pengfei CHEN
  • Patent number: 10867188
    Abstract: A system and method for image localization based on semantic segmentation are disclosed. A particular embodiment includes: receiving image data from an image generating device mounted on an autonomous vehicle; performing semantic segmentation or other object detection on the received image data to identify and label objects in the image data and produce semantic label image data; identifying extraneous objects in the semantic label image data; removing the extraneous objects from the semantic label image data; comparing the semantic label image data to a baseline semantic label map; and determining a vehicle location of the autonomous vehicle based on information in a matching baseline semantic label map.
    Type: Grant
    Filed: January 25, 2020
    Date of Patent: December 15, 2020
    Assignee: TUSIMPLE, INC.
    Inventors: Zehua Huang, Pengfei Chen, Panqu Wang, Ke Xu
  • Publication number: 20200354912
    Abstract: A squid-type marine oil containment device includes a track and four oil containment booms. A robotic arm is provided in an elliptic area formed by the track. Sliders are provided on the track. Ends of oil containment booms slide along the track through sliders. Each oil containment boom includes an oil suction pipe, propellers and a plastic separating layer. A middle of the oil suction pipe forms an oil channel. Booster pumps are spacedly provided inside the oil suction pipe and are respectively connected to a hose. Pairs of propellers are spacedly provided at a lower end of the oil suction pipe. Oil suction holes are provided on the oil suction pipe. The plastic separating layer is provided under the oil suction holes. A counterweight is provided at a bottom of the oil containment boom. The invention further provides a method of containing oil using the device.
    Type: Application
    Filed: May 7, 2020
    Publication date: November 12, 2020
    Inventors: Lin CHEN, Junmin MOU, Mengxia LI, Linying CHEN, Pengfei CHEN, Huaming WANG, Qiaorui WU, Zhenhuang DU
  • Patent number: 10828616
    Abstract: A contacting device and method are presented for the collection, contacting, and distribution of fluids between particulate beds of a downflow vessel, which may operate in co-current flow. By one approach, the contacting device includes a liquid collection tray, a mixing channel in fluid communication with the liquid collection tray, and a liquid distribution zone.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: November 10, 2020
    Assignee: UOP LLC
    Inventors: Zhanping Xu, Christopher Naunheimer, Pengfei Chen, Steven J. Lesniak
  • Patent number: 10821671
    Abstract: A laser fabrication method and a laser fabrication system. The laser fabrication system includes an ultrafast laser source configured to output a laser beam; and a digital micromirror device (DMD), configured to receive, shape, and scan the laser beam, wherein more than one binary holograms are synthesized to form a scanning hologram applied to the DMD. The shaped laser beam, containing one or multiple focal points, leaving the DMD, are focused to the sample for fast laser fabrication.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: November 3, 2020
    Assignee: The Chinese University of Hong Kong
    Inventors: Shih-Chi Chen, Qiang Geng, Dien Wang, Pengfei Chen, Dapeng Zhang
  • Publication number: 20200343753
    Abstract: The present disclosure provides a rechargeable battery for an induction garbage bin, comprising a steel shell, a battery core, an output structural component and an intermediate connection structural component, the battery core being provided in the steel shell, wherein, a lower end of a USB fixing structural part of the intermediate connection structural component is fittingly sleeved on an open end of the steel shell; a positive end of the battery core is connected with a positive tab connection point (B+) on a PCB substrate, a negative end of the battery core is connected with a negative tab connection point (B?) on the PCB substrate; the output structural component is fittingly clamped and sleeved on a USB metal part of the intermediate connection structural component; and a positive clamp output end (O+) of the electronic component is in close contact with a metal languet of a positive cap of the output structural component.
    Type: Application
    Filed: September 17, 2019
    Publication date: October 29, 2020
    Inventors: Yinglin GONG, Hongbing LIU, Pengfei CHEN, Xiaofeng CHEN
  • Patent number: 10796402
    Abstract: A system and method for fisheye image processing is disclosed.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: October 6, 2020
    Assignee: TUSIMPLE, INC.
    Inventors: Zhipeng Yan, Pengfei Chen, Panqu Wang
  • Patent number: 10783381
    Abstract: A system and method for vehicle occlusion detection is disclosed.
    Type: Grant
    Filed: May 19, 2019
    Date of Patent: September 22, 2020
    Assignee: TUSIMPLE, INC.
    Inventors: Hongkai Yu, Zhipeng Yan, Panqu Wang, Pengfei Chen
  • Patent number: 10762635
    Abstract: A system and method for actively selecting and labeling images for semantic segmentation are disclosed. A particular embodiment includes: receiving image data from an image generating device; performing semantic segmentation or other object detection on the received image data to identify and label objects in the image data and produce semantic label image data; determining the quality of the semantic label image data based on prediction probabilities associated with regions or portions of the image; and identifying a region or portion of the image for manual labeling if an associated prediction probability is below a pre-determined threshold.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: September 1, 2020
    Assignee: TUSIMPLE, INC.
    Inventors: Zhipeng Yan, Zehua Huang, Pengfei Chen, Panqu Wang
  • Publication number: 20200265244
    Abstract: A system and method for semantic segmentation using hybrid dilated convolution (HDC) are disclosed. A particular embodiment includes: receiving an input image; producing a feature map from the input image; performing a convolution operation on the feature map and producing multiple convolution layers; grouping the multiple convolution layers into a plurality of groups; applying different dilation rates for different convolution layers in a single group of the plurality of groups; and applying a same dilation rate setting across all groups of the plurality of groups.
    Type: Application
    Filed: May 5, 2020
    Publication date: August 20, 2020
    Inventors: Zehua HUANG, Pengfei CHEN, Panqu WANG
  • Publication number: 20200265249
    Abstract: A system and method for online real-time multi-object tracking is disclosed. A particular embodiment can be configured to: receive image frame data from at least one camera associated with an autonomous vehicle; generate similarity data corresponding to a similarity between object data in a previous image frame compared with object detection results from a current image frame; use the similarity data to generate data association results corresponding to a best matching between the object data in the previous image frame and the object detection results from the current image frame; cause state transitions in finite state machines for each object according to the data association results; and provide as an output object tracking output data corresponding to the states of the finite state machines for each object.
    Type: Application
    Filed: May 6, 2020
    Publication date: August 20, 2020
    Inventors: Lingting GE, Pengfei CHEN, Panqu WANG