Patents by Inventor Xiao Han

Xiao Han 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: 11908188
    Abstract: Embodiments of this application disclose methods, systems, and devices for medical image analysis and medical video stream processing. In one aspect, a method comprises extracting video frames from a medical image video stream that includes at least two pathological-section-based video frames. The method also comprises identifying single-frame image features in the video frames, mapping the single-frame image features into single-frame diagnostic classification results, and performing a classification mapping based on a video stream feature sequence that comprises the single-frame image features. The classification mapping comprises performing a convolution operation on the video stream feature sequence through a preset convolutional layer, obtaining a convolution result in accordance with the convolution operation, and performing fully connected mapping on the convolution result through a preset fully connected layer.
    Type: Grant
    Filed: April 8, 2021
    Date of Patent: February 20, 2024
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Weijia Lu, Jianhua Yao, Xiao Han, Niyun Zhou
  • Publication number: 20240054760
    Abstract: An image detection method and apparatus are disclosed.
    Type: Application
    Filed: October 10, 2023
    Publication date: February 15, 2024
    Applicant: Tencent Technology (Shenzhen) Company Limited.
    Inventors: Jinxi XIANG, Sen YANG, Jun ZHANG, Dongxian JIANG, Yingyong HOU, Xiao HAN
  • Publication number: 20240056852
    Abstract: Embodiments of this application provide a communication method and apparatus, to improve robustness of a communication process and improve accuracy of a sensing result. The communication method includes: generating a first physical layer protocol data unit (PPDU), where the first PPDU includes a first field that indicates that a variation of a channel state does not exceed a threshold; and sending the first PPDU.
    Type: Application
    Filed: October 23, 2023
    Publication date: February 15, 2024
    Inventors: Mengshi HU, Yingxiang SUN, Chenchen LIU, Xiao HAN, Rui DU, Meihong ZHANG, Xun YANG
  • Publication number: 20240056952
    Abstract: Embodiments of this application provide an information transmission method, a network device, and a user equipment. The method provided in this application includes: sending, by a network device, a broadcast frame that includes first duration information and second duration information that are of A-BFT (Association Beamforming Training); receiving a frame sent by a first user equipment in a timeslot randomly selected from a first time range; and receiving a frame sent by a second user equipment in a timeslot randomly selected from a second time range. According to the embodiments of this application, beamforming training efficiency can be improved.
    Type: Application
    Filed: September 1, 2023
    Publication date: February 15, 2024
    Inventors: Pei Zhou, Yan Long, Xiao Han, Yingpei Lin
  • Patent number: 11900945
    Abstract: An information processing method, a system, an apparatus, an electronic device and a storage medium, where the method is applied to a client, and includes: receiving a transcript and a sentence identifier of the transcript sent by a service server; reading a local sentence identifier, and when the received sentence identifier is the same as the local sentence identifier, updating a displayed caption content corresponding to the local sentence identifier with the transcript. When the received sentence identifier of the client is the same as the local sentence identifier, the displayed caption content is replaced with the received transcript.
    Type: Grant
    Filed: March 21, 2022
    Date of Patent: February 13, 2024
    Assignee: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD.
    Inventors: Li Zhao, Xiao Han, Kojung Chen, Jian Tong
  • Publication number: 20240031050
    Abstract: This application discloses a signal processing method and an apparatus. The method includes: A transmit device generates a PPDU, and sends the PPDU; and a receive device receives the PPDU, and processes M sequences carried in the PPDU. The PPDU shown in this application includes a first field, the first field is used for carrying M sequences, the M sequences correspond to M space-time streams, one sequence corresponds to one space-time stream, and M is a positive integer. According to the method provided in this application, sequence sending efficiency can be effectively improved.
    Type: Application
    Filed: August 9, 2023
    Publication date: January 25, 2024
    Inventors: Rui DU, Qian ZHANG, Xiao HAN, Xun YANG, Chenchen LIU, Meihong ZHANG, Yingxiang SUN, Yun ZHANG, Yang LI
  • Patent number: 11882522
    Abstract: This application provides an information transmission method and a communication apparatus. The method includes: A first device sends TWT resource configuration information in a first BSS to a second device. The first device is located in the first BSS, the second device is located in a second BSS, and the first BSS and the second BSS at least partially overlap. According to the information transmission method provided in this application, TWT resource configuration information in a plurality of BSSs is shared among the plurality of BSSs in an OBSS scenario. Therefore, collision can be further avoided during data transmission in different BSSs in the OBSS scenario, thereby improving quality and assurance of data transmission between devices in the plurality of BSSs, and improving efficiency of data transmission in the OBSS scenario.
    Type: Grant
    Filed: June 11, 2021
    Date of Patent: January 23, 2024
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Xiao Han, Yuchen Guo, Jian Yu, Dandan Liang
  • Publication number: 20240019540
    Abstract: A data transmission method. A physical layer protocol data unit (PPDU) is generated. The PPDU includes a training field. The training field includes a sequence used for target sensing. The PPDU is sent.
    Type: Application
    Filed: June 21, 2023
    Publication date: January 18, 2024
    Inventors: Rui DU, Xiao HAN, Chenchen LIU, Meihong ZHANG, Wei LIN, Xun YANG, Zhengchun ZHOU, Xianfu LEI, Xiaohu TANG
  • Publication number: 20240022290
    Abstract: Provided are a method for performing feedback based on channel state information (CSI), a device, and a medium. In an example method, a sensing response device obtains CSI data based on channel estimation, and generates power delay profile (PDP) data based on the CSI data. Then, the sensing response device feeds back a part of PDP data in the generated PDP data. Therefore, feedback overheads are reduced. In addition, sensing performance is ensured to some extent.
    Type: Application
    Filed: September 20, 2023
    Publication date: January 18, 2024
    Inventors: Rui DU, Chenchen LIU, Xiao HAN, Meihong ZHANG, Yingxiang SUN, Yunbo LI
  • Patent number: 11876738
    Abstract: An information transmission method and a network device, the network device including a transceiver, a processor, and a non-transitory storage medium storing a computer program for execution by the processor. The computer program includes instructions to receive a first frame through the receiver, where an extended schedule element of the first frame has a field indicating communication between network devices is supported, and where the extended schedule element further has a source association identifier and a destination association identifier, and control the transceiver to transmit information to a first network device when both the first network device and the network device support communication between network devices, where a value of the source association identifier and a value of the destination association identifier are each 0.
    Type: Grant
    Filed: July 26, 2022
    Date of Patent: January 16, 2024
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Xiao Han, Changfeng Ding, Xuming Fang, Yan Long, Mengyao Ma
  • Publication number: 20240015238
    Abstract: An electronic device and an information display method. The electronic device includes a first screen and a second screen. The first screen is larger than the second screen. The first screen is a foldable screen. The method includes: detecting a first operation when a plurality of cards are displayed on the second screen in a stacked manner; and displaying, on the first screen in response to the first operation, the plurality of cards displayed on the second screen. A first part of cards and a second part of cards among the plurality of cards are displayed in different positions on the first screen.
    Type: Application
    Filed: January 5, 2023
    Publication date: January 11, 2024
    Inventors: Feng Ge, Xiao Han, Wenying Bao, Taolin Zhang, Duo Xu
  • Patent number: 11868473
    Abstract: A method for constructing behavioral software signatures. The method includes: embedding execution traces of a set of software in a vector space, an execution trace of a software agent including at least one event and being representative of the execution of the software, the embedding representing an event of the execution trace by a vector encoding a context for occurrence of the event; partitioning the vectors associated with the software of the set to generate a data group representative of a behavior, a behavioral label being associated with the data group; associating a behavioral label with a vector, which is representative of the data group to which the vector belongs, and associating a trace of behavioral labels with a trace of vectors, the trace of labels being representative of execution of a software agent, and extracting in the trace of labels at least one behavioral signature associated with the software.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: January 9, 2024
    Assignee: ORANGE
    Inventors: Baptiste Olivier, Xiao Han
  • Publication number: 20240007885
    Abstract: A method for sending a measurement packet and a communication apparatus. The method includes: a first wireless device sends a trigger frame, where the trigger frame is used to trigger a plurality of second wireless devices to send measurement packets in an orthogonal frequency division multiple access (OFDMA) manner; and the first wireless device receives the measurement packets sent by the plurality of second wireless devices in the OFDMA manner. Based on the method, the measurement packet sent by each second wireless device occupies only some tones of an uplink transmission bandwidth. This improves power spectral density of the measurement packet and improves precision of measuring channel information by the first wireless device.
    Type: Application
    Filed: August 7, 2023
    Publication date: January 4, 2024
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Chenchen LIU, Xiao HAN, Rui DU, Meihong ZHANG, Yingxiang SUN
  • Publication number: 20230403685
    Abstract: The disclosure provides a communication method, a base station, a user equipment, and a storage medium in a communication system supporting a carrier aggregation (CA). The method comprises identifying ratio information for a plurality of carriers for a user equipment (UE) from at least one candidate ratio information based on a total carrier transmission capacity of the plurality of carriers. The method comprises determining a transmit power for each carrier based on the target power allocation ratio information. The method comprises receiving, from the UE, uplink signals according to the transmit power for each carrier. The ratio information for the plurality of carriers includes a power allocation ratio for each carrier. The total carrier transmission capacity of the plurality of carriers comprises a sum of transport block sizes of individual carriers in the plurality of carriers. The above method performed by the base station or UE can be performed using an artificial intelligence model.
    Type: Application
    Filed: April 28, 2023
    Publication date: December 14, 2023
    Inventors: Shoufeng WANG, Junyi YU, Nan CAO, Xiaohui YANG, Xiao HAN, Haoqiang RUAN
  • Publication number: 20230392565
    Abstract: The present disclosure provides an afterburner structure with fuel injection nozzles. In the condition of a stable inlet flow, the present disclosure forms a sweeping oscillating jet with a certain frequency at the outlet under an alternate feedback action of a feedback channel and the fluid's Coanda effect, so that the spatial uniformity of the fuel injection is improved; Therefore, without increasing the structural complexity of current afterburner of the turbo-engine and the combustion chamber of the subsonic combustion ramjet, the atomization performance and the uniformity of the oil-gas mixture in the afterburner/combustion chamber of the ramjet can be greatly improved, the combustion efficiency and combustion instability of the engine can be improved and meanwhile the length of the afterburner and the combustion chamber of the subsonic combustion ramjet is shortened.
    Type: Application
    Filed: February 23, 2023
    Publication date: December 7, 2023
    Inventors: Shiqi WANG, Quan WEN, Xiao HAN
  • Patent number: 11831574
    Abstract: This application provides a method and an apparatus for sensing measurement. In a technical solution of this application, a transmit end of data may send an indication frame to a receive end of the data, where the indication frame may indicate a spatial mapping matrix used by the transmit end of the data to send the data to the receive end of the data. In this way, the receive end of the data can eliminate impact of spatial mapping on channel state information based on the spatial mapping matrix, to obtain actual channel state information, thereby completing sensing, positioning, and the like on an ambient environment or a passive target by using the obtained actual channel state information.
    Type: Grant
    Filed: March 11, 2022
    Date of Patent: November 28, 2023
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Chenchen Liu, Xiao Han, Rui Du, Meihong Zhang, Jian Yu
  • Patent number: 11831225
    Abstract: A free piston generator based on a rigid synchronous transmission system is provided, which belongs to the technical field of power energy. The present disclosure solves the problems of low power generation efficiency and low stability of the existing free piston generator. The free piston generator based on the rigid synchronous transmission system includes a first linear generator set, a second linear generator set, a rigid synchronous transmission assembly, two high-pressure cylinders arranged at two ends of the first linear generator set, and two low-pressure cylinders arranged at two ends of the second linear generator set.
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: November 28, 2023
    Assignee: HARBIN ENGINEERING UNIVERSITY
    Inventors: Long Liu, Qihao Mei, Hao Zhao, Zhichun Xu, Yuanheng Tang, Chen An, Xiao Han, Junjie Liu
  • Publication number: 20230379012
    Abstract: A method includes: A first device sends a first BRP frame, to indicate a second device to evaluate a variation of CSI from the first device to the second device in an initiator beam refinement protocol transmit sector sweep procedure. The first device sends a plurality of first BRP-TX PPDUs, where the plurality of first BRP-TX PPDUs are used to evaluate the variation of the CSI from the first device to the second device. The first device receives a second BRP frame carrying a first sector information list, where the first sector information list is used to feed back one or more sending sectors whose variation of the CSI from the first device to the second device is greater than a CSI variation threshold.
    Type: Application
    Filed: August 7, 2023
    Publication date: November 23, 2023
    Inventors: Meihong Zhang, Rui Du, Chenchen Liu, Yingxiang Sun, Xiao Han, Xun Yang
  • Publication number: 20230370078
    Abstract: Provided is an ADC circuit based signal digitalization method, including: inputting the analog signal to the ADC circuit, and after being converted by the ADC circuit for the first time, outputting a first ADC output value Mi; adjusting the least significant bit of the ADC circuit based on the value of the higher bits of the output value Mi, turning down the least significant bit of the ADC circuit, when all the values of the higher bits of the output value Mi are 0; inputting the analog signal to the ADC circuit again, and then outputting the ADC output value Mi+1 for the i+1 time; outputting the final signal conversion result and the adjusted least significant bit based on all the ADC output values. The present invention could improve the ADC precision of small signals without increasing the ADC circuit size.
    Type: Application
    Filed: April 20, 2023
    Publication date: November 16, 2023
    Inventors: Zhi ZHANG, Xiao HAN, Rongzhao TANG
  • Publication number: 20230345283
    Abstract: A channel information feedback method. The method can be applied to a first wireless device, and includes: receiving a first message from a second wireless device, where the first message notifies channel information measurement, the first message carries first indication information related to the first wireless device, and the first indication information indicates a feedback condition; performing channel information measurement based on the first message; determining a first channel information variation based on currently measured channel information and historically measured channel information; and feeding back a measurement report to the second wireless device when the first channel information variation meets the feedback condition.
    Type: Application
    Filed: June 26, 2023
    Publication date: October 26, 2023
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yingxiang SUN, Chenchen LIU, Xiao HAN, Rui DU, Meihong ZHANG, Xun YANG