Patents by Inventor Donghui Li

Donghui Li 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: 10718721
    Abstract: Disclosed is a method for testing quality of powder spreading, including: illuminating, after a powder spreading apparatus completes spreading of a single layer of powder, a forming area successively and separately by light sources, and performing photographing twice to obtain two images of powder spreading; synthesizing the two images of powder spreading; determining an overall gray scale of the synthesized image, and if the overall gray scale is consistent, the powder spreading being successful, and if not, processing the synthesized image by using a method of gray scale threshold segmentation, and marking an area contained in a contour boundary inside the synthesized image as a suspected defect area; and determining whether the powder spreading is successful according to a gray scale value. Also disclosed is a device for testing the quality of powder spreading. The present application realizes a function of testing the quality of powder spreading.
    Type: Grant
    Filed: February 2, 2019
    Date of Patent: July 21, 2020
    Assignee: XI'AN BRIGHT LASER TECHNOLOGIES CO., LTD.
    Inventors: Donghui Yang, Yang Li
  • Publication number: 20200226965
    Abstract: Disclosed is a primary color conversion method, which may expand primary color signals that are applicable to a display device. The primary color conversion method includes: acquiring color coordinates and a brightness value of a first color in a first color gamut having M primary colors according to gray-scale values of the M primary colors corresponding to the first color; and mapping the color coordinates and the luminance value of the first color in the first color gamut to color coordinates and a brightness value of a second color corresponding to the first color in a second color gamut having N primary colors. 3?M, 3?N, M is different from N, and M and N are positive integers.
    Type: Application
    Filed: September 27, 2018
    Publication date: July 16, 2020
    Inventors: Yanhui XI, Bin DAI, Xiaomang ZHANG, Yan SUN, Kuanjun PENG, Haijun NIU, Xiaolong LI, Donghui WANG
  • Patent number: 10634784
    Abstract: A device and a method for detecting main acoustic indexes of multi-beam sonar pertaining to the field of hydrographic surveying and charting technology. The device includes a rotating device and a lifting gear installed in an anechoic tank. The bottom of the rotating device is equipped with a multi-beam sonar that has its rotating plane perpendicular to the direction of track line and transmits signals along the horizontal direction. A standard hydrophone is equipped at the bottom of the lifting gear, and is connected with a signal collector. The device utilizes the standard hydrophone to receive the pulse signals transmitted by the multi-beam sonar and employs the multi-beam sonar to receive the standard sound source signals, designs the detection process for data collection for analysis and research, thereby achieving the detection of the frequency, source level and beam angle of multi-beam sonar.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: April 28, 2020
    Assignee: SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Fanlin Yang, Xiankun Wang, Donghui Li, Qianqian Li, Bo Shi, Dong Jing, Xiushan Lu, Xiaodong Cui
  • Publication number: 20200109398
    Abstract: Methods and compositions for modulating a target genome are disclosed.
    Type: Application
    Filed: December 6, 2019
    Publication date: April 9, 2020
    Inventors: Jacob Rosenblum Rubens, Geoffrey A. von Maltzahn, Robert James Citorik, Barrett Ethan Steinberg, Donghui Li
  • Publication number: 20200059412
    Abstract: A software defined network (SDN) system, controller, and controlling method, where the SDN system includes at least one Nth level controller and at least two (N+1)th level controllers belonging to the Nth level controller, where the (N+1)th level controller is configured to receive a first message sent by a node belonging to the (N+1)th level controller, and when the first message is a cross-domain message according to status information of each node that is managed by the (N+1)th level controller, forward the first message to the Nth level controller to which the (N+1)th level controller belongs, and the Nth level controller receives the first message, and perform decision processing according to status information of the (N+1)th level controller that is managed by and belongs to the Nth level controller and status information of boundary nodes of the (N+1)th level controller belonging to the Nth level controller.
    Type: Application
    Filed: October 28, 2019
    Publication date: February 20, 2020
    Inventors: Donghui Wang, Jinming Li
  • Publication number: 20200034742
    Abstract: Consistency metadata, including a parameter for a pseudo-random number source, are determined for training-and-evaluation iterations of a machine learning model. Using the metadata, a first training set comprising records of at least a first chunk is identified from a plurality of chunks of a data set. The first training set is used to train a machine learning model during a first training-and-evaluation iteration. A first test set comprising records of at least a second chunk is identified using the metadata, and is used to evaluate the model during the first training-and-evaluation iteration.
    Type: Application
    Filed: October 2, 2019
    Publication date: January 30, 2020
    Applicant: Amazon Technologies, Inc.
    Inventors: Leo Parker Dirac, Jin Li, Tianming Zheng, Donghui Zhuo
  • Publication number: 20200033496
    Abstract: A monitoring and forewarning method for coal-rock dynamic disasters based on an electromagnetic radiation and an earth-sound monitoring includes the following steps: (1) calculating the weighted average value of research parameter P(t) during a time period according to the monitoring data collected by the electromagnetic radiation and the earth-sound monitoring system in real time; (2) calculating D(t), the deviation value of P(t); (3) calculating |D(t)| as the deviation threshold value, the average value of |D(t)| during period of normal mining of the working surface; (4) calculating DS, the number of times that D(t) is greater than |D(t)| in one day; (5) normalizing DS to obtain the monitoring and forewarning index ?; (6) forewarning the hazard state of dynamic disaster of the working surface in real time according to ? and forewarning method, determining hazard level.
    Type: Application
    Filed: March 30, 2018
    Publication date: January 30, 2020
    Applicants: University of Science and Technology Beijing, Zhong-an Academy of safety Engineering
    Inventors: Zhenlei LI, Xueqiu HE, Dazhao SONG, Shengquan HE, Donghui LI
  • Patent number: 10540606
    Abstract: Consistency metadata, including a parameter for a pseudo-random number source, are determined for training-and-evaluation iterations of a machine learning model. Using the metadata, a first training set comprising records of at least a first chunk is identified from a plurality of chunks of a data set. The first training set is used to train a machine learning model during a first training-and-evaluation iteration. A first test set comprising records of at least a second chunk is identified using the metadata, and is used to evaluate the model during the first training-and-evaluation iteration.
    Type: Grant
    Filed: August 14, 2014
    Date of Patent: January 21, 2020
    Assignee: Amazon Technologies, Inc.
    Inventors: Leo Parker Dirac, Jin Li, Tianming Zheng, Donghui Zhuo
  • Patent number: 10498607
    Abstract: A software defined network (SDN) system, controller, and controlling method, where the SDN system includes at least one Nth level controller and at least two (N+1)th level controllers belonging to the Nth level controller, where the (N+1)th level controller is configured to receive a first message sent by a node belonging to the (N+1)th level controller, and when the first message is a cross-domain message according to status information of each node that is managed by the (N+1)th level controller, forward the first message to the Nth level controller to which the (N+1)th level controller belongs, and the Nth level controller receives the first message, and perform decision processing according to status information of the (N+1)th level controller that is managed by and belongs to the Nth level controller and status information of boundary nodes of the (N+1)th level controller belonging to the Nth level controller.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: December 3, 2019
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Donghui Wang, Jinming Li
  • Publication number: 20190273098
    Abstract: The present disclosure provides an anti-reflective substrate and a method for preparing the same, an array substrate, and a display device. The anti-reflective substrate includes a base substrate and an anti-reflective film having an optical path control structure. The anti-reflective film is disposed on the base substrate, and the optical path control structure is configured to reduce a reflection of an incident light from a side of the base substrate on which the anti-reflective film is disposed.
    Type: Application
    Filed: November 5, 2018
    Publication date: September 5, 2019
    Inventors: Donghui Zhang, Jing Li, Xiaoye Ma, Haifeng Liu
  • Publication number: 20190257766
    Abstract: Disclosed is a method for testing quality of powder spreading, including: illuminating, after a powder spreading apparatus completes spreading of a single layer of powder, a forming area successively and separately by light sources, and performing photographing twice to obtain two images of powder spreading; synthesizing the two images of powder spreading; determining an overall gray scale of the synthesized image, and if the overall gray scale is consistent, the powder spreading being successful, and if not, processing the synthesized image by using a method of gray scale threshold segmentation, and marking an area contained in a contour boundary inside the synthesized image as a suspected defect area; and determining whether the powder spreading is successful according to a gray scale value. Also disclosed is a device for testing the quality of powder spreading. The present application realizes a function of testing the quality of powder spreading.
    Type: Application
    Filed: February 2, 2019
    Publication date: August 22, 2019
    Inventors: Donghui YANG, Yang LI
  • Patent number: 10384311
    Abstract: A spinning roller surface laser reinforced processing forming method is provided. A spinning roller is normalized after forging, the normalizing temperature is controlled to 860-880 DEG C., and the heat preservation time is 40-60 minutes; the spinning roller forging blank is roughly processed to reserve a tolerance allowance of 0.5 mm on the designated working face; the spinning roller and workpiece contact surface reinforcing layer is made of Ni625+WC2, in which WC is more than 22%; a reinforcing layer having the thickness of 0.8 mm is clad with laser on the working face of the spinning roller, and the preheating temperature is controlled to 250-400 DEG C. before welding; the spinning roller laser clad reinforcing layer is rolled; and the rolled spinning roller is put into a thermal treatment furnace for thermal treatment, and quenching and tempering treatment, re-crystallization and residual stress elimination are performed.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: August 20, 2019
    Assignee: CITIC Dicastal CO., LTD.
    Inventors: Haiping Chang, Zhixue Wang, Shiyou Gao, Jin Zhang, Rui Li, Dawei Xu, Donghui Zhang
  • Patent number: 10388420
    Abstract: An accelerator system is provided. According to an example, the accelerator system includes a ray source, a multi-leaf collimator including leaves, a multi-leaf collimator controller and a leaf position determining device. The multi-leaf collimator controller is configured to control each of the leaves to move according to a predetermined position. The leaf position determining device is configured to obtain a three-dimensional image of the multi-leaf collimator, determine a sub-field shape and a sub-field size of the multi-leaf collimator according to the three-dimensional image, determine an actual position of each of the leaves according to the sub-field shape and the sub-field size and obtain an error value for each of the leaves by comparing the actual position with the predetermined position for each of the leaves. In this way, the error value for each of the leaves may be used to control operation of the accelerator system.
    Type: Grant
    Filed: November 23, 2017
    Date of Patent: August 20, 2019
    Assignee: SHENYANG NEUSOFT MEDICAL SYSTEMS CO., LTD.
    Inventors: Donghui Han, Nan Li
  • Publication number: 20190225149
    Abstract: Disclosed is a graded early warning system for rollover of heavy-duty truck based on time-varying interactive Kalman filtering and early warning method thereof. The system includes an infrared speed measuring module, a gyroscope, a humidity signal acquisition sensor, a bluetooth data transmission module and a main control chip. The infrared speed measuring module, the gyroscope, the humidity signal acquisition sensor are respectively connected with input ends of the main control chip through control lines. A video output end of the main control chip is connected with a liquid crystal display through video signal line. The main control chip is wirelessly connected with a mobile phone through the bluetooth data transmission module.
    Type: Application
    Filed: January 13, 2019
    Publication date: July 25, 2019
    Inventors: Jingwei GUO, Lutian LI, Jiajun ZHAN, Xin QIN, Zhongqi XIE, Haofei GUO, Fugen LIN, Chen WANG, Yi CAI, Yinan CHEN, Shuang MA, Yating HU, Yanran LIU, Yaxing ZHAI, Donghui XIE
  • Patent number: 10318797
    Abstract: One of the aspects of the present invention discloses an image processing apparatus and an image processing method. The image processing apparatus comprises: an image acquisition unit configured to acquire an image containing a face; a region location unit configured to locate at least one region which represents attributes of the face in the acquired image; a feature extraction unit configured to extract features from the located regions; and a feature integration unit configured to integrate the features of the located regions which are symmetrical with each other based on symmetry of the face. According to the present invention, the dimension of the features used for image processing could be reduced and the image processing accuracy could be maintained as much as possible.
    Type: Grant
    Filed: November 15, 2016
    Date of Patent: June 11, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Donghui Sun, Xian Li, Dongchao Wen
  • Patent number: 10298600
    Abstract: The present disclosure provides a method, an apparatus, and a system for cooperative defense on a network. Alarm information sent by a security device of a first subnet that is being attacked is received by a controller; the controller generates flow table information according to the alarm information, and forwards the flow table information to a switching device of the first subnet and a switching device of at least one second subnet, which is equivalent to that, after detecting an attack, a security device of a subnet generates alarm information, and shares, by using the controller, the alarm information with a switching device of the subnet and a switching device of another subnet that is not being attacked, to form networkwide cooperative defense, thereby enhancing network security.
    Type: Grant
    Filed: December 31, 2015
    Date of Patent: May 21, 2019
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Jinming Li, Donghui Wang
  • Publication number: 20190101643
    Abstract: A device and a method for detecting main acoustic indexes of multi-beam sonar pertaining to the field of hydrographic surveying and charting technology. The device includes a rotating device and a lifting gear installed in an anechoic tank. The bottom of the rotating device is equipped with a multi-beam sonar that has its rotating plane perpendicular to the direction of track line and transmits signals along the horizontal direction. A standard hydrophone is equipped at the bottom of the lifting gear, and is connected with a signal collector. The device utilizes the standard hydrophone to receive the pulse signals transmitted by the multi-beam sonar and employs the multi-beam sonar to receive the standard sound source signals, designs the detection process for data collection for analysis and research, thereby achieving the detection of the frequency, source level and beam angle of multi-beam sonar.
    Type: Application
    Filed: January 16, 2018
    Publication date: April 4, 2019
    Applicant: SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Fanlin YANG, Xiankun WANG, Donghui LI, Qianqian LI, Bo SHI, Dong JING, Xiushan LU, Xiaodong CUI
  • Patent number: 9740639
    Abstract: To comply with a policy for a computing device indicating that data written by the computing device to the storage volume after activation of the policy be encrypted, a sector map is accessed. The sector map identifies one or more sectors of a storage volume and also identifies, for each of the one or more sectors of the storage volume, a signature of the content of the sector. In response to a request to read the content of a sector, the content of the sector is returned without decrypting the content if the sector is one of the one or more sectors and the signature of the content of the sector matches the signature of the sector identified in the sector map. Otherwise, the content of the sector is decrypted and the decrypted content is returned.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: August 22, 2017
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Innokentiy Basmov, Magnus Bo Gustaf Nyström, Alex M. Semenko, Douglas M. MacIver, Donghui Li
  • Publication number: 20170004094
    Abstract: To comply with a policy for a computing device indicating that data written by the computing device to the storage volume after activation of the policy be encrypted, a sector map is accessed. The sector map identifies one or more sectors of a storage volume and also identifies, for each of the one or more sectors of the storage volume, a signature of the content of the sector. In response to a request to read the content of a sector, the content of the sector is returned without decrypting the content if the sector is one of the one or more sectors and the signature of the content of the sector matches the signature of the sector identified in the sector map. Otherwise, the content of the sector is decrypted and the decrypted content is returned.
    Type: Application
    Filed: September 15, 2016
    Publication date: January 5, 2017
    Applicant: Microsoft Technology Licensing, LLC
    Inventors: Innokentiy Basmov, Magnus Bo Gustaf Nyström, Alex M. Semenko, Douglas M. MacIver, Donghui Li
  • Patent number: 9477614
    Abstract: To comply with a policy for a computing device indicating that data written by the computing device to the storage volume after activation of the policy be encrypted, a sector map is accessed. The sector map identifies one or more sectors of a storage volume and also identifies, for each of the one or more sectors of the storage volume, a signature of the content of the sector. In response to a request to read the content of a sector, the content of the sector is returned without decrypting the content if the sector is one of the one or more sectors and the signature of the content of the sector matches the signature of the sector identified in the sector map. Otherwise, the content of the sector is decrypted and the decrypted content is returned.
    Type: Grant
    Filed: October 3, 2014
    Date of Patent: October 25, 2016
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Innokentiy Basmov, Magnus Bo Gustaf Nyström, Alex M. Semenko, Douglas M. MacIver, Donghui Li