Patents by Inventor Yan Peng

Yan Peng 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: 20240119563
    Abstract: One or more systems, devices, computer program products and/or computer-implemented methods of use provided herein relate to detecting a closed ring in a three-dimensional (3D) point cloud via cycle basis. A system can comprise a memory configured to store computer executable components; and a processor configured to execute the computer executable components stored in the memory, wherein the computer executable components can comprise a filtering component that can filter a first undirected graph of a three-dimensional (3D) point cloud, by eliminating one or more edges of the first undirected graph that are longer than an adaptive threshold, wherein filtering the first undirected graph can produce a second undirected graph; and a detection component that can detect a minimum cycle basis of the second undirected graph to determine a cycle path that can traverse an irregular annular shape that is represented by the 3D point cloud.
    Type: Application
    Filed: October 5, 2022
    Publication date: April 11, 2024
    Inventors: Xue Ping Liu, Fei Wang, Dan Zhang, Kun Yan Yin, Yun Jing Zhao, Jian Long Sun, Zhi Xing Peng
  • Patent number: 11954895
    Abstract: The present disclosure discloses a method for automatically identifying south troughs by improved Laplace and relates to the technical field of meteorology. The method includes the following steps: acquiring grid data of a geopotential height field; calculating a gradient field of the geopotential height field in an x direction; searching for a turning point where a gradient value turned from being negative to being positive, and cleaning the gradient field; calculating a divergence of the x direction to obtain an improved Laplacian numerical value L?; performing 0,1 binarization processing on the L? to obtain a black-and-white image and a plurality of targets of potential troughs, merging the black-and-white image and the plurality of targets of the potential troughs by expansion, recovering original scale through erosion, and selecting an effective target through an angle of direction of a contour and an axial ratio.
    Type: Grant
    Filed: July 20, 2023
    Date of Patent: April 9, 2024
    Assignee: Chengdu University of Information Technology
    Inventors: Wendong Hu, Yanqiong Hao, Hongping Shu, Tiangui Xiao, Yan Chen, Ying Zhang, Jian Shao, Jianhong Gan, Yaqiang Wang, Fei Luo, Huahong Li, Balin Xu, Qiyang Peng, Juzhang Ren, Chengchao Li, Tao Zhang, Xiaohang Wen, Chao Wang, Yongkai Zhang, Wenjie Zhou, Jingyi Tao
  • Publication number: 20240114118
    Abstract: A multi-viewpoint image processing system includes a processing apparatus and a display apparatus, the processing apparatus includes an acquisition module and an encoding module, wherein the acquisition module is configured to acquire K viewpoint images, and a viewpoint image includes M rows and N columns of pixels; the encoding module is configured to receive the K viewpoint images, encode the K viewpoint images to generate a plurality of encoded images, and send the plurality of encoded images to the display apparatus; the display apparatus is configured to receive the plurality of encoded images and obtain M pieces of display information according to the plurality of encoded images, an i-th piece of display information including i-th rows of pixels of the K viewpoint images, i=1, 2, . . . , M; and perform stereoscopic display according to the M pieces of display information.
    Type: Application
    Filed: May 28, 2021
    Publication date: April 4, 2024
    Inventors: Minglei CHU, Xin DUAN, Shuo ZHANG, Yan SUN, Tiankuo SHI, Wei SUN, Kuanjun PENG, Xue DONG, Jiantao LIU
  • Publication number: 20240114594
    Abstract: An interaction control method includes: acquiring NFC device status information in response to triggering of near field communication NFC, where the NFC device status information includes status information of a master device and status information of a slave device; and providing an interactive function corresponding to the acquired NFC device status information according to a preset mapping relationship, and executing the interactive function in response to a trigger condition to realize information exchange between the master device and the slave device.
    Type: Application
    Filed: December 6, 2023
    Publication date: April 4, 2024
    Inventors: Yunfei Qi, Yuzhuo Peng, Ping Song, Yan Gao, Fei Ye
  • Publication number: 20240101568
    Abstract: A benzazepine spiro derivative as represented by formula (I) and a pharmaceutically acceptable salt thereof, and the use of a compound in the diagnosis, prevention and/or treatment of diseases related to vasopressin receptors.
    Type: Application
    Filed: November 25, 2021
    Publication date: March 28, 2024
    Inventors: Hongfu LU, Yongcong LV, Yan YE, Jianbiao PENG, Haibing GUO
  • Patent number: 11941318
    Abstract: The present application provides an audio and video playing system, a playing method and a playing device. The system comprises: a display device; a directional sound output module configured to output a directional sound signal; a tracking element configured to monitor a target visual area and to monitor the target display area on the display screen; and a processor, connected with the directional sound output module and the tracking element respectively, and configured to acquire a first audio and video data to be output in the target display area, display image information of the first audio and video data in the target display area, and output sound information of the first audio and video data to the directional sound output module such that the directional sound output module output a directional sound signal towards the target visual area.
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: March 26, 2024
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xiaomang Zhang, Xiangjun Peng, Tiankuo Shi, Chenxi Zhao, Shuo Zhang, Yifan Hou, Yan Sun, Li Tian, Jing Liu, Wei Sun, Zhihua Ji, Yanhui Xi
  • Publication number: 20240096343
    Abstract: This application relates to the artificial intelligence (AI) field, and specifically, to a voice quality enhancement method and a related device. The method includes: after a PNR mode is enabled, obtaining a noisy voice signal and target voice-related data, where the noisy-carrying voice signal includes a voice signal of a target user and an interfering noise signal, and the target voice-related data indicates a voice feature of the target user; and performing noise reduction on the noisy voice signal based on the target voice-related data by using a trained voice noise reduction model to obtain a noise-reduced voice signal of the target user, where the voice noise reduction model is implemented based on a neural network. In embodiments of this application, voice of a target person can be enhanced, and interference can be suppressed.
    Type: Application
    Filed: November 29, 2023
    Publication date: March 21, 2024
    Inventors: Shanyi WEI, Chao WU, Yan QIU, Meng LIAO, Fan FAN, Shiqiang PENG, Bin LI, Wenbin ZHAO, Jiang LI, Haiting LI, Xueyan HUANG
  • Patent number: 11925531
    Abstract: The present disclosure provides a magnetic dressing and a preparation method and use thereof, belonging to the technical field of pharmaceutical preparations. The magnetic dressing includes a magnetic layer, a drug-loading layer, and a protective layer that are stacked in sequence, where the magnetic layer includes polyvinyl alcohol, gluten, and iron particles. In the present disclosure, a swallowed magnetic dressing is controlled by an external magnetic field, and the magnetic dressing is moved to a pathological position by changing a direction of the external magnetic field; after the external magnetic field is removed, the magnetic dressing changes from a ring to a sheet, thereby completing attachment of an entire lesion surface to complete treatment by autonomous drug release.
    Type: Grant
    Filed: September 13, 2022
    Date of Patent: March 12, 2024
    Assignee: Shanghai University
    Inventors: Na Liu, Ziheng Chen, Huiyu Yuan, Dan Zhang, Kewei Zhang, Tao Yue, Yuanyuan Liu, Yan Peng
  • Patent number: 11921276
    Abstract: Provided are a method and apparatus for evaluating image relative definition, a device and a medium, relating to technologies such as computer vision, deep learning and intelligent medical. A specific implementation solution is: extracting a multi-scale feature of each image in an image set, where the multi-scale feature is used for representing definition features of objects having different sizes in an image; and scoring relative definition of each image in the image set according to the multi-scale feature by using a relative definition scoring model pre-trained, where the purpose for training the relative definition scoring model is to learn a feature related to image definition in the multi-scale feature.
    Type: Grant
    Filed: July 19, 2021
    Date of Patent: March 5, 2024
    Assignee: Beijing Baidu Netcom Science and Technology Co., Ltd.
    Inventors: Xiang Long, Yan Peng, Shufei Lin, Ying Xin, Bin Zhang, Pengcheng Yuan, Xiaodi Wang, Yuan Feng, Shumin Han
  • Patent number: 11917167
    Abstract: The present disclosure provides an image compression method, including steps of: acquiring a human-eye fixation point on an original image, and determining a fixation region and a non-fixation region of the original image according to the human-eye fixation point; and compressing the non-fixation region, and generating a compressed image according to the fixation region and the compressed non-fixation region. The present disclosure also provides an image display method, an image compression apparatus, an image display apparatus, and a computer readable medium.
    Type: Grant
    Filed: May 8, 2021
    Date of Patent: February 27, 2024
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhihua Ji, Tiankuo Shi, Xiaomang Zhang, Chingwen Kung, Rui Liu, Yifan Hou, Minglei Chu, Yanhui Xi, Yan Sun, Chenxi Zhao, Xiangjun Peng, Shuo Zhang
  • Patent number: 11887485
    Abstract: A control method and system for collaborative interception by multiple unmanned surface vessels are provided. The method includes obtaining task environment information of each unmanned surface vessel in an unmanned surface vessel group at a current moment, estimating interception point information of the intruding target at the current moment by using a Kalman filter according to the task environment information of the unmanned surface vessels at the current moment, determining process state information of each unmanned surface vessel at the current moment, inputting the process state information of each unmanned surface vessel at the current moment into a corresponding intruding target interception policy output model respectively to obtain an execution action of each unmanned surface vessel at a next moment to intercept the intruding target. The application can intercept the intruding target accurately.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: January 30, 2024
    Assignees: Shanghai University, Chongqing University
    Inventors: Huayan Pu, Yuan Liu, Jun Luo, Zhijiang Xie, Jiajia Xie, Xiaomao Li, Zhou Su, Yan Peng, Hengyu Li, Shaorong Xie
  • Patent number: 11863088
    Abstract: Disclosed is a vortex-induced vibration-based piezoelectricity and friction nanometer power generation combined energy collector. The energy collector includes a support frame, a piezoelectric plate, a cylinder and a solid-liquid type friction nanometer power generation assembly, wherein the support frame includes a fixed plate, a cantilever plate and a connecting plate which are sequentially connected from top to bottom, the piezoelectric plate is fixed on one side of the cantilever plate, the solid-liquid type friction nanometer power generation assembly has an outer shell, an insulating friction inner shell and a sealing part, the outer shell having two symmetrically arranged induction electrodes, insulating layers are arranged between the butt joint faces of the two induction electrodes, the included angles between the butt joint faces of the two induction electrodes and the plane, provided with the piezoelectric plate, of the cantilever plate are not 90°.
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: January 2, 2024
    Assignee: SHANGHAI UNIVERSITY
    Inventors: Dan Zhang, Di Zhang, Xiaowei Li, Zhongjie Li, Yan Peng, Shaorong Xie
  • Patent number: 11808317
    Abstract: A squeeze mode giant electrorheological fluid damper is disclosed. The squeeze mode giant electrorheological fluid damper comprises a support, a container and a connecting structure, wherein the support comprises a bottom plate, guide shafts and a top plate, the guide shaft is vertically fixed on the bottom plate, and the top plate is slidably arranged on the guide shaft; the container comprises a container body and two spiral spring pieces coaxially arranged in the container body, the container body is fixed on the bottom plate, the bottoms of the two spiral spring pieces are fixed to the bottom of the container, the two spiral spring pieces are not in contact with each other and are spaced by 180°; the top of the connecting structure is fixedly connected with the top plate, and the bottom of the connecting structure is fixedly connected with the tops of the two spiral spring pieces.
    Type: Grant
    Filed: August 23, 2022
    Date of Patent: November 7, 2023
    Assignee: Shanghai University
    Inventors: Yi Sun, Ben Lu, Huayan Pu, Min Wang, Jiheng Ding, Wenchuan Jia, Yan Peng, Jun Luo
  • Patent number: 11752819
    Abstract: A wheel-legged amphibious mobile robot with a variable attack angle, which belongs to the technical field of robot structure technology. The robot includes three parts: motion unit, body trunk and power unit. As a key structure, the motion unit mainly includes a moving mechanism, a wheel assembly, a telescopic mechanism and a transmission device. The robot drives the telescopic mechanism to reciprocate linearly through a gear and rack set, and pushes “legs” to expand and retract, so as to realize a mutual switching between a wheeled mode and a gait mode. Under transmission of bevel gear set, the blades can rotate at any same angle at the same time, to change the attack angle and realize the steering. The robot provided by the present disclosure can effectively adapt to a complex and harsh amphibious environment, and meet a series of operation requirements such as rapid movement, obstacle climbing, underwater steering.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: September 12, 2023
    Assignee: SHANGHAI UNIVERSITY
    Inventors: Yi Sun, Longteng Zhang, Huayan Pu, Min Wang, Yan Peng, Jiheng Ding, Jun Luo, Shaorong Xie
  • Patent number: 11726108
    Abstract: The present disclosure relates to a signal conditioning system for improving low-frequency measurement performance of an acceleration sensor. The signal conditioning system includes: a charge integration circuit, a high-pass filter circuit, a lead-lag network, an anti-aliasing filter circuit, and a gain adjustment circuit. An input terminal of the charge integration circuit is connected to the acceleration sensor, an output terminal of the charge integration circuit is connected to an input terminal of the high-pass filter circuit, an output terminal of the high-pass filter circuit is connected to an input terminal of the lead-lag network, an output terminal of the lead-lag network is connected to an input terminal of the anti-aliasing filter circuit, and an output terminal of the anti-aliasing filter circuit is connected to an input terminal of the gain adjustment circuit.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: August 15, 2023
    Assignee: Shanghai University
    Inventors: Huayan Pu, Peng Jiang, Jiheng Ding, Yi Sun, Min Wang, Yan Peng, Jun Luo, Shaorong Xie
  • Publication number: 20230190083
    Abstract: The invention discloses a visualization system with a real-time imaging function, comprising: a receiving end, a light source, an imaging system, and a display device. The light source comprises a red light source and a fluorescence excitation light source; the imaging system comprises a red light image sensor and a fluorescence image sensor to process a signal to output a real-time visualization signal to the display device. Through the technical scheme, the visualization system can provide sufficient background information and obtain a clear and complete real-time image for a surgeon only by using a specific band of red light to illuminate a surgical scene, the visualization system is simple in whole structure, is convenient in a control method, is simple and highly effective in the imaging process procedure, has a good use experience while the manufacturing and maintenance costs are low, and has a very high applicability and popularization.
    Type: Application
    Filed: May 12, 2021
    Publication date: June 22, 2023
    Inventors: Vasudev NAMBAKAM, Yan Peng NG, Jianan LI
  • Publication number: 20230184190
    Abstract: Disclosed is a combustion system design method based on a target heat release rate, which belongs to the technical field of diesel engine combustion chamber design. The method includes: obtaining an ideal heat release rate based on Sabathe-Miller cycle; simulating the ideal heat release rate based on a double-Wiebe function and obtaining the target heat release rate; constructing a mapping relation among the heat release rate, piston geometric parameters and fuel injection parameters, which includes target start of combustion being an function of fuel injection timing and ignition delay, premixed combustion parameters being functions of throat radius, injection pressure and nozzle diameter, and diffusion combustion being a function of piston pit depth; solving target piston geometric parameters and target fuel injection parameters based on the mapping relation; and then designing a combustion system.
    Type: Application
    Filed: December 21, 2022
    Publication date: June 15, 2023
    Inventors: Long LIU, Yan PENG, Changfu HAN, Haicheng QI, Li HUANG, Wenzheng ZHANG
  • Patent number: 11669990
    Abstract: An object area measurement method and an apparatus are provided, relating to the computer vision and deep learning technology. The method includes acquiring an original image with a spatial resolution, the original image including a target object; acquiring an object identification model including at least two sets of classification models; generating one or more original image blocks based on the original image; performing operations on each original image block: scaling each original image block at at least two scaling levels to obtain scaled image blocks with at least two sizes, the scaled image blocks respectively corresponding to the at least two sets of classification models, and inputting the scaled image blocks into the object identification model to obtain an identification result of the target object; and determining an area of the target object based on the respective identification results of the one or more original image blocks and the spatial resolution.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: June 6, 2023
    Assignee: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Yan Peng, Xiang Long, Shumin Han, Honghui Zheng, Zhuang Jia, Xiaodi Wang, Pengcheng Yuan, Yuan Feng, Bin Zhang, Ying Xin
  • Publication number: 20230154163
    Abstract: A method for recognizing a category of an image includes: acquiring a spectral image; training an image recognition model based on the spectral image, in which the image recognition model acquires a spectral semantic feature of each pixel, a minimum distance between each pixel and each category, and a spectral distance between a first spectrum of each pixel and a second spectrum of each category; splices them; and performs classification and recognition based on the spliced feature to output a recognition probability of each pixel under each category; determining a loss function of the image recognition model, adjusting the image recognition model based on the loss function, and returning to training the adjusted image recognition model based on the spectral image until training ends; recognizing a maximum recognition probability, output from a target image recognition model, and using a category corresponding to the maximum recognition probability as a target category.
    Type: Application
    Filed: January 6, 2023
    Publication date: May 18, 2023
    Applicant: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
    Inventors: Zhuang Jia, Xiang Long, Yan Peng, Honghui Zheng, Bin Zhang, Yunhao Wang, Ying Xin, Chao Li, Xiaodi Wang, Song Xue, Yuan Feng, Shumin Han
  • Publication number: 20230153387
    Abstract: A training method for a human body attribute detection model includes: acquiring positive sample sub-images and negative sample sub-images respectively corresponding to a plurality of human body attribute categories; determining a plurality of first annotation attributes respectively corresponding to the plurality of positive sample sub-images; and a plurality of second annotation attributes respectively corresponding to the plurality of negative sample sub-images; and training an artificial intelligence model according to the plurality of positive sample sub-images, the plurality of negative sample sub-images, the plurality of first annotation attributes and the plurality of second annotation attributes to obtain the human body attribute detection model, so that the human body attribute detection model obtained by training can effectively model fine-grained attributes of the human body.
    Type: Application
    Filed: January 6, 2023
    Publication date: May 18, 2023
    Applicant: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
    Inventors: Chao Li, Ying Xin, Yuan Feng, Bin Zhang, Yunhao Wang, Xiaodi Wang, Yi Gu, Xiang Long, Yan Peng, Honghui Zheng, Zhuang Jia, Shumin Han