Patents by Inventor Jianping Gu

Jianping Gu 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).

  • Publication number: 20210053427
    Abstract: The invention is relevant to the field of automobile accessories, in particular to a bed cover of vehicle, an embedded waterproof bed cover for pick-up truck includes a bed cover, the bed cover includes a guide rail, a front bar, cover plates, a rear bar and a locking device. The invention improves the waterproof effect of the bed cover by using the connecting rubber strip and the side rubber strip, thus improving the user's use experience.
    Type: Application
    Filed: October 30, 2020
    Publication date: February 25, 2021
    Inventors: Guanqian Gu, Jianping Luo
  • Patent number: 10896527
    Abstract: A method and device for reconstructing a CT image and a storage medium are disclosed. CT scanning is performed on an object to be inspected to obtain projection data. The projection data is processed using a first convolutional neural network to obtain processed projection data. The first convolutional neural network comprises a plurality of convolutional layers. A back-projection operation is performed on the processed projection data to obtain a reconstructed image.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: January 19, 2021
    Assignees: Tsinghua University, NUCTECH COMPANY LIMITED
    Inventors: Yuxiang Xing, Li Zhang, Jianmin Li, Zhiqiang Chen, Jianping Gu
  • Patent number: 10868363
    Abstract: An antenna system and a signal transmission method are provided. The antenna system includes: an antenna array and a matching network, where an S parameter matrix of the matching network matches an S parameter matrix of the antenna array and the matching network is configured to perform pre-distortion on a to-be-transmitted signal or de-distortion on a received signal, and the antenna array is configured to transmit the pre-distorted to-be-transmitted signal. According to the antenna system and the signal transmission method provided in this application, pre-distortion may be performed on a signal that needs to be transmitted by the antenna array or de-distortion may be performed on a signal received by the antenna array, so as to configure energy that is coupled from each antenna array element to an adjacent antenna array element, thereby reducing a coupling effect between antenna array elements.
    Type: Grant
    Filed: June 4, 2018
    Date of Patent: December 15, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Ni Ma, Yueheng Li, Wei Gu, Tuanjie Xue, Jianping Zhao
  • Patent number: 10796436
    Abstract: An inspection apparatus and a method for segmenting an Image of a vehicle are disclosed. An X-ray transmission scanning is performed on the vehicle to obtain a transmission image. Each pixel of the transmission image is labeled with a category tag, by using a trained convolutional network. Images of respective parts of the vehicle are determined according to the category tag for each pixel. With the above solutions, it is possible to segment the images of respective parts of a vehicle more accurately in the situations that are complicated or have large variety kinds of vehicles.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: October 6, 2020
    Assignees: Nuctech Company Limited, Tsinghua University
    Inventors: Chuanhong Huang, Qiang Li, Jianping Gu, Yaohong Liu, Ziran Zhao
  • Publication number: 20200309987
    Abstract: The present disclosure discloses a method of substance identification of an item to be inspected using a multi-energy-spectrum X-ray imaging system, the method comprising: acquiring a transparency related vector consisting of transparency values of the item to be inspected in N energy regions, wherein N is greater than 2; calculating distances between the transparency related vector and transparency related vectors stored in the system consisting of N transparency mean values of multiple kinds of items with multiple thicknesses in the N energy regions; and identifying the item to be inspected as the item corresponding to the minimum distance. The present disclosure is based on a multi-energy-spectrum X-ray imaging system, and proposes a method of substance identification by analyzing the multi-energy-spectrum substance identification issue.
    Type: Application
    Filed: September 12, 2017
    Publication date: October 1, 2020
    Inventors: Guangming XU, Bicheng LIU, Ziran ZHAO, Jianping GU, Qiang LI, Lan ZHANG
  • Patent number: 10769821
    Abstract: A method and device for reconstructing a CT image and a storage medium are disclosed. CT scanning is performed on an object to be inspected to obtain projection data on a first scale. Projection data on a plurality of other scales is generated from the projection data on the first scale. Projection data on each scale is processed on the corresponding scale by using a first convolutional neural network to obtain processed projection data, and a back-projection operation is performed on the processed projection data to obtain a CT image on the corresponding scale. CT images on the plurality of scales are fused to obtain a reconstructed image of the object to be inspected.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: September 8, 2020
    Assignees: Nutech Company Limited, Tsinghua University
    Inventors: Yuxiang Xing, Li Zhang, Jianmin Li, Zhiqiang Chen, Jianping Gu
  • Patent number: 10670743
    Abstract: A semiconductor detector and a packaging method thereof. The semiconductor detector includes: a cathode circuit board including a read out chip, a high voltage side top layer of the cathode circuit board, a bottom connection layer of the cathode circuit board and a dielectric filled between the high voltage side top layer and the bottom connection layer, wherein the high voltage side top layer is connected to the bottom connection layer through a via hole; and a detector crystal including a crystal body, an anode and a cathode, the anode is connected to the read out chip of the cathode circuit board, the high voltage side top layer is connected to an input terminal of the semiconductor detector and the bottom connection layer directly contacts the cathode of the detector crystal to connect the cathode to the cathode circuit board.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: June 2, 2020
    Assignee: NUCTECH COMPANY LIMITED
    Inventors: Lan Zhang, Yingshuai Du, Bo Li, Zonggui Wu, Jun Li, Xuepeng Cao, Haifan Hu, Jianping Gu, Guangming Xu, Bicheng Liu
  • Patent number: 10663413
    Abstract: A method for inspecting a container and an inspection device are disclosed. X-ray scanning is performed on the inspected container to obtain a scanned image. The scanned image is processed to obtain a region of interest. Features of texture units included in the region of interest are calculated. Local descriptions of the texture units are formed based on the features of the texture units. Distinction of each local point is calculated from a local description of each of the texture units so as to obtain a local distinct map of the region of interest. It is determined whether there is an article which is secretly carried in the inspected container using the local distinct map.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: May 26, 2020
    Assignees: Nuctech Company Limited, Tsinghua University
    Inventors: Qiang Li, Jianping Gu, Bin Xu, Yaohong Liu, Ziran Zhao
  • Patent number: 10663607
    Abstract: The present disclosure provides an apparatus for processing signals for a plurality of energy regions, and a system and method for detecting radiation of a plurality of energy regions. The apparatus for processing signals for a plurality of energy regions may comprise: a first processor, configured to receive a signal from a detector and process the received signal to generate a gated signal, wherein a turn-on period of the gated signal represents magnitude of the received signal; and a second processor, configured to receive the gated signal from the first processor, and determine one of the plurality of energy regions to which the received signal belongs according to the turn-on period of the gated signal, so as to count signals within the determined energy region.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: May 26, 2020
    Assignee: Nuctech Company Limited
    Inventors: Lan Zhang, Yingshuai Du, Bo Li, Zonggui Wu, Jun Li, Xuepeng Cao, Haifan Hu, Jianping Gu, Guangming Xu, Bicheng Liu
  • Patent number: 10646179
    Abstract: The present disclosure provides a method for recognizing an article using a multi-energy spectrum X-ray imaging system and a multi-energy spectrum X-ray imaging system. The method comprises: recognizing an application scenario and/or priori information of the article; selecting a parameter mode suitable for the article from a plurality of parameter modes stored in the multi-energy spectrum X-ray imaging system based on the recognized application scenario and/or priori information; and recognizing the article using the selected parameter mode, wherein the plurality of parameter modes are obtained by optimizing system parameters of the multi-energy spectrum X-ray imaging system under a specific condition using a training sample library for various articles.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: May 12, 2020
    Assignee: NUCTECH COMPANY LIMITED
    Inventors: Guangming Xu, Bicheng Liu, Ziran Zhao, Lan Zhang, Jianping Gu
  • Patent number: 10618891
    Abstract: The present invention relates to a synthesis process of suvorexant, novel compounds represented by formulas II, III, IV or V, or salts thereof for preparing suvorexant, and a method for preparing the intermediates. The preparation method uses a chiral starting material to synthesize chiral compounds represented by formulas II, III, IV or V, the compounds obtained being used for synthesizing the suvorexant. The preparation method has the advantages of simple operation, low cost, mild reaction conditions, simple post-treatment, easy to purify, high yield, high ee value for the product, and easy to industrialize. In the reaction route shown, R represents benzyl, allyl or 1-phenethyl, or optionally substituted benzyl at the 2 position to 6 position, such as 4-methoxybenzyl, 4-nitrobenzyl, 2-methylbenzyl, 4-chlorobenzyl or 3-fluorobenzyl.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: April 14, 2020
    Assignees: Zhejiang Huahai Pharmaceutical Co., Ltd., Shanghai Aobo Pharmtech, Inc., Ltd.
    Inventors: Jianping Lin, Xiaowen Guo, Xiaofei Gao, Chao Huang, Yuanbing Guo, Anping Tao, Luning Huang, Hong Gu
  • Patent number: 10620336
    Abstract: The present disclosure relates to a method, a device and a system for inspecting a moving object based on cosmic rays, pertaining to the field of radiation imaging and safety inspection techniques. The method includes: detecting whether a speed of the inspected moving object is within a preset range; recording a motion trajectory of the moving object with a monitoring device; acquiring information about charged particles in the cosmic rays with a position sensitive detector, the information about charged particles including track information of the charged particles; determining the moving object by matching positions of the motion trajectory and the track information; reconstructing the track of the charged particles according to the information about the charged particles; and recognizing the material inside the moving object based on the track reconstruction.
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: April 14, 2020
    Assignees: TSINGHUA UNIVERSITY, NUCTECH COMPANY LIMITED
    Inventors: Kejun Kang, Jianping Cheng, Zhiqiang Chen, Ziran Zhao, Junli Li, Xuewu Wang, Zhi Zeng, Qingjun Zhang, Jianping Gu, Xi Yi, Bicheng Liu, Guangming Xu, Yongqiang Wang
  • Patent number: 10613247
    Abstract: The present application relates to a method, apparatus and system for inspecting an object based on a cosmic ray, pertaining to the technical field of radiometric imaging and safety inspection. The method includes: recording a movement trajectory of an inspected object by using a monitoring device; acquiring information of charged particles in the cosmic ray by using a position-sensitive detector, the information of charged particles comprising trajectory information of the charged particles; performing position coincidence for the movement trajectory and the trajectory information to determine the object; performing trajectory remodeling for the charged particles according to the information of charged particles; and identifying a material inside the moving object according to the trajectory remodeling.
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: April 7, 2020
    Assignees: TSINGHUA UNIVERSITY, NUCTECH COMPANY LIMITED
    Inventors: Kejun Kang, Zhiqiang Chen, Yuanjing Li, Ziran Zhao, Junli Li, Xuewu Wang, Yaohong Liu, Zhi Zeng, Jianping Gu, Song Liang, Bicheng Liu, Guangming Xu, Yongqiang Wang
  • Patent number: 10607483
    Abstract: Disclosed is a vehicle identification method and system. The method includes: acquiring appearance information of an inspected vehicle; obtaining external features of the vehicle based on the appearance information; acquiring a transmission image of the vehicle and obtaining internal features of the vehicle from the transmission image; forming descriptions on the vehicle at least based on the external features and the internal features; and determining a vehicle model of the vehicle from a vehicle model databased by utilizing the descriptions. This method merges various types of modality information, especially introducing the transmission image, and combines the internal structure information with the appearance information, so that the present disclosure can identify a vehicle model more practically.
    Type: Grant
    Filed: December 23, 2015
    Date of Patent: March 31, 2020
    Assignees: Tsinghua University, Nutech Company Limited
    Inventors: Zhiqiang Chen, Li Zhang, Jianmin Li, Ziran Zhao, Yaohong Liu, Qiang Li, Zheng Hu, Jianping Gu, Ying Li
  • Patent number: 10599914
    Abstract: The present disclosure discloses a method and apparatus for human face image processing. A specific embodiment of the method comprises: locating facial feature points in a human face image, extracting an image of a human face region according to a range defined by the facial feature points, transforming a facial image of the source image according to a face shape of the target image, transforming the facial image of the source image according to a complexion distribution of a facial region of the target image, and obtaining a new human face by combining the facial image of the source image and a facial image of the target image. The embodiment achieves a facial image processing with higher similarity to the user in the image, of simple steps, small calculation and high real-time performance.
    Type: Grant
    Filed: November 27, 2015
    Date of Patent: March 24, 2020
    Assignee: Baidu Online Network Technology (Beijing) Co., Ltd.
    Inventors: Guang Li, Jiawei Gu, Shasha Yan, Jianping Hao, Jiabin He, Li Xu, Jingtuo Liu, Fuguo Zhu, Zhengping Wei
  • Patent number: 10586324
    Abstract: The present disclosure discloses an inspection device and a method for inspecting a container. Transmission scanning is performed on the inspected container using a scanning device including a sparse area array detector to obtain scan data. Digital focusing is performed at a specific depth position in a depth direction. Defocused pixel values are filtered out to obtain a slice image at the specific depth position. It is judged whether dangerous articles or suspicious articles are included in the slice image.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: March 10, 2020
    Assignee: Nuctech Company Limited
    Inventors: Ziran Zhao, Jianping Gu, Qian Yi, Bicheng Liu
  • Patent number: 10578765
    Abstract: This invention provides a scan method, scan system and radiation scan controller, and relates to the field of radiation. The scanning method includes obtaining detection data of an object to be inspected under radiation scanning using a detector, adjusting an accelerator output beam dose rate and/or an output electron beam energy level of a radiation emission device according to the detection data. With this method, working conditions of the accelerator of the radiation emission device may be adjusted according to the detection data detected by the detector, so that for a region having a larger mass thickness, a higher output beam dose rate or a higher electron beam output energy level is adopted to guarantee satisfied imaging technical indexes, for a region having a smaller mass thickness, a lower output beam dose rate or a lower electron beam output energy level is adopted to reduce the environmental dose level while guaranteeing satisfied imaging technical indexes.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: March 3, 2020
    Inventors: Kejun Kang, Yaohong Liu, Ziran Zhao, Wei Jia, Jianping Gu, Chuanxiang Tang, Huaibi Chen, Jianjun Gao, Wei Yin, Xiying Liu
  • Patent number: 10509979
    Abstract: An inspection method and system for inspecting whether there is any liquor in goods is provided. The method includes: acquiring a radiation image of goods being inspected; processing on the radiation image to obtain an ROI; inspecting on the ROI using a liquor goods inspection model to determine if the ROI of the radiation image contains liquor goods. The above solution performs liquor inspection on scanned images of goods, especially containers, so as to intelligently assist the image inspectors.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: December 17, 2019
    Assignee: NUCTECH COMPANY LIMITED
    Inventors: Zhiqiang Chen, Li Zhang, Ziran Zhao, Yaohong Liu, Duokun Zhang, Jianping Gu, Qiang Li, Jian Zhang
  • Patent number: 10495776
    Abstract: This invention provides a scan method, scan system and radiation scan controller, and relates to the field of radiation. Wherein, the scan method of this invention comprises: obtaining detection data of an object to be inspected under radiation scanning using a detector; adjusting an accelerator output beam dose rate and/or an output electron beam energy level of a radiation emission device according to the detection data. With this method, working conditions of the accelerator of the radiation emission device may be adjusted according to the detection data detected by the detector, so that for a region having a larger mass thickness, a higher output beam dose rate or a higher electron beam output energy level is adopted to guarantee satisfied imaging technical indexes, for a region having a smaller mass thickness, a lower output beam dose rate or a lower electron beam output energy level is adopted to reduce the environmental dose level while guaranteeing satisfied imaging technical indexes.
    Type: Grant
    Filed: October 10, 2016
    Date of Patent: December 3, 2019
    Inventors: Kejun Kang, Yaohong Liu, Ziran Zhao, Wei Jia, Jianping Gu, Chuanxiang Tang, Huaibi Chen, Jianjun Gao, Wei Yin, Xiying Liu
  • Patent number: 10497144
    Abstract: The present disclosure discloses a method and system for identifying a part of a vehicle and a vehicle inspection system. The method includes: acquiring a vehicle body image sequence of a vehicle to be identified; reconstructing the vehicle body by using a first vehicle body reconstruction model generated through a deep learning algorithm and on the basis of the vehicle body image sequence, so as to acquire a vehicle body reconstruction image of the vehicle to be identified; and identifying a boundary identifier of the vehicle to be identified on the basis of the vehicle body reconstruction image of the vehicle to be identified.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: December 3, 2019
    Assignee: NUCTECH COMPANY LIMITED
    Inventors: Yanwei Xu, Zheng Hu, Yongming Wang, Chuan Gao, Weifeng Yu, Qiang Li, Yuan Ma, Jianping Gu, Yu Hu, Shangmin Sun