Patents by Inventor Xiang Ma

Xiang Ma 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: 12355315
    Abstract: An electric motor includes a motor main body and an inverter. The inverter is axially stacked on one end of the motor main body, and the inverter includes a gate driver, a control circuit, a capacitor module, a DC bus bar, a plurality of power modules and a plurality of AC bus bars. The power module includes a plurality of AC output terminals, a plurality of DC input terminals and a plurality of signal terminals, and the AC bus bars are respectively connected to corresponding AC output terminals and extend downward to a motor coil of the motor main body. The power modules and the corresponding DC input terminals are annularly arranged around the capacitor module, the DC bus bar is extended and electrically connected to the corresponding DC input terminals and the capacitor module.
    Type: Grant
    Filed: May 29, 2023
    Date of Patent: July 8, 2025
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Hsien-Feng Hung, Cheng-Yu Shen, Chung-Han Yang, Quan-Sheng Lin, Yi Chen, Cong-Xiang Ma
  • Publication number: 20250171050
    Abstract: There is provided methods, systems, and computer-readable media for determining intention of bicycles and other person-wide vehicles. A method comprises receiving, from a first sensor of an autonomous vehicle, first sensor data relating to an external environment of the autonomous vehicle; and receiving, from a second sensor of the autonomous vehicle, second sensor data the second sensor comprising a different sensor type to the first sensor. A person-wide vehicle in proximate to the autonomous vehicle is identified. First object data associated with the person-wide vehicle is determined. Based on the first object data, a future intention of the person-wide vehicle is received from a machine-learned model. The autonomous vehicle is controlled based at least in part on the future intention of the person-wide vehicle.
    Type: Application
    Filed: January 29, 2025
    Publication date: May 29, 2025
    Inventors: Yi-Ting LIN, Derek Xiang MA, Kenneth Michael SIEBERT, Oytun ULUTAN
  • Patent number: 12301866
    Abstract: An intra prediction method includes obtaining respective intra prediction modes or texture distributions of P reconstructed picture blocks in a surrounding region of a current block; obtaining, based on the respective intra prediction modes or texture distributions of the P reconstructed picture blocks, Q priori candidate intra prediction modes of the current block and Q probability values; obtaining, based on M probability values corresponding to M priori candidate intra prediction modes, M weighting factors corresponding to the M priori candidate intra prediction modes; separately performing intra prediction based on the M priori candidate intra prediction modes to obtain M predicted values; and obtaining a predicted value of the current block based on a weighted summation of the M predicted values and the corresponding M weighting factors.
    Type: Grant
    Filed: March 28, 2023
    Date of Patent: May 13, 2025
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Haitao Yang, Nan Song, Xu Chen, Xiang Ma, Huanbang Chen, Yin Zhao
  • Patent number: 12299997
    Abstract: Techniques for detecting, locating, and/or classifying objects based on multiple sensor data inputs received from different sensor modalities. The techniques may include receiving sensor data generated by different sensor modalities of a vehicle, the sensor data including at least first sensor data generated by a first sensor modality and second sensor data generated by a second sensor modality. In some examples, the sensor data may be input into a machine-learning pipeline. The machine-learning pipeline may be configured to determine locations of objects in an environment surrounding the vehicle based at least in part on a correlation, by the multi-attention component, of the first sensor data and the second sensor data. The techniques may also include receiving, from the machine-learning pipeline, an output indicating a location of an object in the environment.
    Type: Grant
    Filed: September 26, 2022
    Date of Patent: May 13, 2025
    Assignee: Zoox, Inc.
    Inventors: Amir Ghaderi, Jonathan Tyler Dowdall, Derek Xiang Ma
  • Patent number: 12289455
    Abstract: This application provides a chroma block prediction method and apparatus. The method includes: obtaining chroma values of chroma samples; obtaining, luma values of luma samples corresponding to the chroma samples; obtaining, from the luma values, a first luma set and a second luma set; grouping the chroma values into a first chroma set and a second chroma set; determining a scaling coefficient in a linear model based on an average value of luma values in the first luma set, an average value of luma values in the second luma set, an average value of chroma values in the first chroma set, and an average value of chroma values in the second chroma set; determining, based on the scaling coefficient, an offset factor in the linear model; and determining prediction information of the chroma block based on the scaling coefficient and the offset factor.
    Type: Grant
    Filed: February 20, 2024
    Date of Patent: April 29, 2025
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Xiang Ma, Fan Mu, Yin Zhao, Haitao Yang
  • Patent number: 12279681
    Abstract: An example of the present disclosure includes a packaging box, comprising a first section including a first aperture to receive a portion of a writing device, and a second section including a second aperture to receive a remainder of the writing device. The packaging box further includes a hinge mechanism coupling the first section to the second section, wherein the first section and second section are rotatable about the hinge mechanism. The packaging box also includes a tip remover including a surface to remove a tip of the writing device responsive to application of a force.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: April 22, 2025
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Xiang Ma, Wei Hung Lin, Simon Wong
  • Publication number: 20250103784
    Abstract: Embodiments of the present disclosure include techniques for simulating circuits, such as systems-on-a-chip (SoC). In various embodiments, a circuit being simulated may comprise one or more processors. However, simulation of the circuit using a hardware description language (HDL) may use a virtualized processor to execute firmware instructions rather than simulating the processor using HDL. Certain instructions from the virtualized processor may be sent, during simulation, to the HDL simulation for execution.
    Type: Application
    Filed: September 27, 2023
    Publication date: March 27, 2025
    Inventors: Xiang MA, Aanchal GUPTA
  • Patent number: 12260651
    Abstract: A system for faster object attribute and/or intent classification may include an machine-learned (ML) architecture that processes temporal sensor data (e.g., multiple instances of sensor data received at different times) and includes a cache in an intermediate layer of the ML architecture. The ML architecture may be capable of classifying an object's intent to enter a roadway, idling near a roadway, or active crossing of a roadway. The ML architecture may additionally or alternatively classify indicator states, such as indications to turn, stop, or the like. Other attributes and/or intentions are discussed herein.
    Type: Grant
    Filed: March 29, 2024
    Date of Patent: March 25, 2025
    Assignee: Zoox, Inc.
    Inventors: Subhasis Das, Oytun Ulutan, Yi-Ting Lin, Derek Xiang Ma
  • Patent number: 12262053
    Abstract: A video coding mechanism is disclosed. The mechanism includes receiving a video signal partitioned into a chroma block and a first neighboring luma block. The mechanism also includes encoding prediction information for chroma samples of the chroma block into a bitstream. The prediction information for the chroma samples is determined via intra-prediction based on down-sampled neighboring luma samples. The down-sampled neighboring luma samples are generated from a single row of luma samples from the first neighboring luma block. A bitstream including the prediction information for the chroma samples is transmitted to support decoding and display of the chroma samples.
    Type: Grant
    Filed: December 18, 2023
    Date of Patent: March 25, 2025
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Xiang Ma, Jianle Chen, Haitao Yang
  • Publication number: 20250097437
    Abstract: This application provides a chroma block prediction method and apparatus. The method includes: obtaining a maximum luma value and a minimum luma value based on luma samples corresponding to neighboring samples of a target chroma block, and calculating a first difference between the maximum luma value and the minimum luma value; if the first difference is not equal to 0, processing the first difference based on a quantity of significant bits of the first difference and a first preset bit depth to obtain a second difference; and determining, based on a first chroma value, a second chroma value, and the second difference, an intra prediction model parameter corresponding to the target chroma block, and determining prediction information of the target chroma block based on the intra prediction model parameter and luma reconstruction information corresponding to the target chroma block.
    Type: Application
    Filed: September 30, 2024
    Publication date: March 20, 2025
    Inventors: Xiang MA, Jianle CHEN, Haitao YANG
  • Patent number: 12240497
    Abstract: There is provided methods, systems, and computer-readable media for determining intention of bicycles and other person-wide vehicles. A method comprises: receiving, from one or more sensors of an autonomous vehicle, sensor data relating to an external environment of the autonomous vehicle; detecting, based at least in part on the sensor data, a person-wide vehicle in the external environment proximate to the autonomous vehicle; determining, based at least in part on the sensor data and the person-wide vehicle, image data including the person-wide vehicle; inputting the image data to a machine-learned model; receiving, from the machine-learned model based on the image data, a future intention of the person-wide vehicle; and controlling the autonomous vehicle based at least in part on the future intention of the person-wide vehicle.
    Type: Grant
    Filed: September 21, 2022
    Date of Patent: March 4, 2025
    Assignee: Zoox, Inc.
    Inventors: Yi-Ting Lin, Derek Xiang Ma, Kenneth Michael Siebert, Oytun Ulutan
  • Patent number: 12238297
    Abstract: This application discloses a method for constructing an MPM list, a method for obtaining an intra prediction mode of a chroma block, and an apparatus. In a specific implementation, a MIP mode is used for a current block, and the method for constructing an MPM list includes: obtaining intra prediction mode information of a neighboring block; determining, based on the intra prediction mode information of the neighboring block, whether an intra prediction mode of the neighboring block is the MIP mode; and skipping using the intra prediction mode of the neighboring block for MPM list construction of the current block if the intra prediction mode of the neighboring block is not the MIP mode; or using the intra prediction mode of the neighboring block for MPM list construction of the current block if the intra prediction mode of the neighboring block is the MIP mode.
    Type: Grant
    Filed: December 3, 2021
    Date of Patent: February 25, 2025
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Xiang Ma, Haitao Yang, Yin Zhao, Lian Zhang
  • Publication number: 20250060899
    Abstract: Embodiments of the present disclosure include techniques for memory management. In various embodiments. a memory controller mirrors memory transactions on first data in a memory when the address for the transaction is within a first range. Transactions outside the first range may not be mirrored.
    Type: Application
    Filed: August 17, 2023
    Publication date: February 20, 2025
    Inventor: Xiang MA
  • Publication number: 20250022284
    Abstract: Techniques are discussed herein for controlling autonomous vehicles within a driving environment, including generating and using bounding contours associated with objects detected in the environment. Image data may be captured and analyzed to identify and/or classify objects within the environment. Image-based and/or lidar-based techniques may be used to determine depth data associated with the objects, and a bounding contour may be determined based on the object boundaries and associated depth data. An autonomous vehicle may use the bounding contours of objects within the environment to classify the objects, predict the positions, poses, and trajectories of the objects, and determine trajectories and perform other vehicle control actions while safely navigating the environment.
    Type: Application
    Filed: June 21, 2024
    Publication date: January 16, 2025
    Inventors: Scott M. Purdy, Derek Xiang Ma, Subhasis Das, Zeng Wang
  • Publication number: 20250016358
    Abstract: A picture prediction method is provided, which includes: obtaining initial motion information of a current picture block; determining, based on a matching cost criterion, that positions of a pair of reference blocks are a position of a target forward reference block of the current picture block and a position of a target backward reference block of the current picture block, where positions of each pair of reference blocks include a position of a forward reference block and a position of a backward reference block; and for the positions of each pair of reference blocks, a first position offset and a second position offset are in a mirror relationship; and obtaining a predicted value of a pixel value of the current picture block based on a pixel value of the target forward reference block and a pixel value of the target backward reference block.
    Type: Application
    Filed: July 24, 2024
    Publication date: January 9, 2025
    Inventors: Xiang Ma, Haitao Yang, Huanbang Chen, Shan Gao
  • Publication number: 20250016353
    Abstract: Disclosed are an inter prediction method based on an affine prediction mode and a related apparatus. The method includes: obtaining a predicted pixel value of a current affine block; obtaining an LIC flag of the current affine block, where the LIC flag is used to indicate whether local illumination compensation LIC is applied to the current affine block; and when the LIC flag indicates that LIC is applied to the current affine block, updating the predicted pixel value of the current affine block based on an update coefficient for LIC, to obtain an updated predicted pixel value of the current affine block.
    Type: Application
    Filed: July 11, 2024
    Publication date: January 9, 2025
    Inventors: Huanbang Chen, Xiang Ma, Haitao Yang, Lian Zhang
  • Patent number: 12192488
    Abstract: Techniques are described of a linear model prediction mode. A set of reconstructed neighboring luma samples are determined. Two pairs of luma value and chroma value are determined according to N reconstructed neighboring luma samples, N reconstructed neighboring chroma samples, M reconstructed neighboring luma samples, and M reconstructed neighboring chroma samples. The minimum value of the N reconstructed neighboring luma samples is not less than the maximum luma value of the remaining reconstructed neighboring luma samples of the set of reconstructed neighboring luma samples. The maximum value of the M reconstructed neighboring luma samples is not larger than the minimum luma value of the remaining reconstructed neighboring luma samples of the set of reconstructed neighboring luma samples. M>1 and N>1. Linear model parameters are determined based on the two pairs of luma value and chroma value, and a predictive block is determined based on the linear model parameters.
    Type: Grant
    Filed: April 26, 2022
    Date of Patent: January 7, 2025
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Xiang Ma, Yin Zhao, Haitao Yang, Jianle Chen
  • Publication number: 20250005857
    Abstract: The invention provide a rendering method and an electronic device. The method includes: first, obtaining channel feedback information of an encoded transmission channel, where the encoded transmission channel is used to transmit an encoded bitstream corresponding to a rendered image; subsequently, determining, from a plurality of groups of preset rendering input information, rendering input information corresponding to the channel feedback information, where complexity of the plurality of groups of preset rendering input information is different; then, performing rendering based on the rendering input information corresponding to the channel feedback information, to obtain the rendered image, where content complexity of the obtained rendered image is associated with complexity of the rendering input information corresponding to the channel feedback information.
    Type: Application
    Filed: September 6, 2024
    Publication date: January 2, 2025
    Inventors: Xiang Ma, Haitao Yang, YiZhi Deng
  • Patent number: 12184839
    Abstract: An intra prediction method by using cross component liner prediction mode (CCLM), includes: determining a luma block corresponding to a current chroma block; obtaining luma reference samples of the luma block based on determining L available chroma reference samples of the current chroma block, wherein the obtained luma reference samples of the luma block are down-sampled luma reference samples; calculating linear model coefficients based on the luma reference samples and chroma reference samples that correspond to the luma reference samples; and obtaining a prediction for the current chroma block based on the linear model coefficients and values of a down-sampled luma block of the luma block.
    Type: Grant
    Filed: August 28, 2023
    Date of Patent: December 31, 2024
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Xiang Ma, Jianle Chen, Yin Zhao, Haitao Yang
  • Publication number: 20240397107
    Abstract: The present disclosure provides a method of decoding a coded video bitstream, the method comprising: obtaining a picture-level syntax element included in a picture header of the current picture by parsing the video bitstream, wherein the picture-level syntax element is used to specify whether an adaptive loop filter (ALF) is enabled for the current picture; in case that the picture-level syntax element specifies the adaptive loop filter is enabled for the current picture, obtaining a parameter set identifier included in the picture header, wherein the parameter set identifier is used to indicate a first parameter set comprising a set of ALF parameters, and wherein a temporal identifier of the first parameter set is less than or equal to a temporal identifier of the current picture; performing the adaptive loop filter on at least one slice of the current picture based on the first parameter set.
    Type: Application
    Filed: June 11, 2024
    Publication date: November 28, 2024
    Inventors: Xiang MA, Haitao YANG