Patents by Inventor Liang Zhao

Liang Zhao 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: 11909987
    Abstract: A method for controlling block intra prediction is provided for a decoder. The method includes: obtaining a coded video bitstream; decoding, prediction information of a current coding unit (CU) in a segment of a current picture from the coded video bitstream; determining, according to the prediction information, a prediction type of a chroma coding block (CB) of the current CU, the prediction type being intra prediction or inter prediction; and reconstructing the chroma CB according to the prediction information, where a width of any reconstructed chroma CB intra-predicted from the coded video bitstream is greater than 2.
    Type: Grant
    Filed: March 12, 2023
    Date of Patent: February 20, 2024
    Assignee: TENCENT AMERICA LLC
    Inventors: Liang Zhao, Xiang Li, Xin Zhao, Shan Liu, Guichun Li, Xiaozhong Xu
  • Patent number: 11909991
    Abstract: A method, computer program, and computer system is provided for coding a video sequence. Video data comprising one or more luma samples is received. A YUV format associated with the received video data is determined. A height setting value and a width setting value corresponding to the one or more luma samples are restricted based on the determined YUV format. The YUV format may include a YUV4:4:4 format, a YUV4:2:2 format, a YUV4:2:0 format, and a YUV4:0:0 format.
    Type: Grant
    Filed: August 21, 2020
    Date of Patent: February 20, 2024
    Assignee: TENCENT AMERICA LLC
    Inventors: Liang Zhao, Xin Zhao, Xiang Li, Byeongdoo Choi, Shan Liu
  • Publication number: 20240056112
    Abstract: An apparatus includes: a transceiver configured to receive a satellite signal and to transmit one or more outbound signals; a memory; and a processor, communicatively coupled to the transceiver and the memory, configured to: transmit, via the transceiver, the one or more outbound signals; blank a first portion of the satellite signal spanning a first frequency set that includes at least a portion of an interference signal corresponding to transmission of the one or more outbound signals by the transceiver; and process a second portion of the satellite signal spanning a second frequency set that includes no frequencies of the interference signal; wherein the first frequency set and the second frequency set are different frequency portions of a same time portion of the satellite signal.
    Type: Application
    Filed: October 6, 2023
    Publication date: February 15, 2024
    Inventors: Jean-Pierre RAFFEGEAU, Jordan COOKMAN, Daniel CAROLIN, Liang ZHAO, Angelica WONG, Jeffrey WONG
  • Patent number: 11901477
    Abstract: Exemplary processing methods include forming a group of LED structures on a substrate layer to form a patterned LED substrate. A light absorption barrier may be deposited on the patterned LED substrate. The methods may further include exposing the patterned LED substrate to light. The light may be absorbed by surfaces of the LED structures that are in contact with the substrate layer, and the light absorption barrier. The methods may still further include separating the LED structures for the substrate layer. The bonding between the LED structures and the substrate layer may be weakened by the absorption of the light by the surfaces of the LED structures in contact with the substrate layer.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: February 13, 2024
    Assignee: Applied Materials, Inc.
    Inventors: Fabio Pieralisi, Mingwei Zhu, Zihao Yang, Liang Zhao, Jeffrey L. Franklin, Hou T. Ng, Nag Patibandla
  • Patent number: 11902517
    Abstract: An image processing method includes obtaining statistics information of a block of an image frame, determining whether the statistics information satisfies a condition, and disabling cross-component filtering (CCF) for the block in response to the statistics information satisfying the condition.
    Type: Grant
    Filed: March 1, 2022
    Date of Patent: February 13, 2024
    Assignee: TENCENT AMERICA LLC
    Inventors: Yixin Du, Xin Zhao, Liang Zhao, Xiang Li, Shan Liu
  • Patent number: 11902514
    Abstract: A method of and an apparatus for controlling intra prediction for decoding of a video sequence are provided. The method may include based on a reference line index signaling a first reference line nearest to a coding unit, among a plurality of reference lines adjacent to the coding unit, applying intra smoothing on one or more first reference lines comprising the first reference line, among the plurality of reference lines, and based on the intra smoothing being applied on the one or more first reference lines, applying a position-dependent intra prediction combination (PDPC) on one or more third reference lines comprising the first reference line, among the plurality of reference lines, while preventing application of the PDPC on one or more fourth reference lines other than the one or more third reference lines, among the plurality of reference lines.
    Type: Grant
    Filed: June 10, 2022
    Date of Patent: February 13, 2024
    Assignee: TENCENT AMERICA LLC
    Inventors: Liang Zhao, Xin Zhao, Xiang Li, Shan Liu
  • Publication number: 20240048728
    Abstract: A method of and an apparatus for controlling intra prediction for encoding of a video sequence are provided. The method includes determining a ratio of a width to a height of a coding unit, and based on the determined ratio being different than one, adding, to a table including intra prediction modes corresponding to intra prediction angles, first wide angles toward a bottom-left edge of the coding unit, second wide angles toward a top-right edge of the coding unit, and additional intra prediction modes respectively corresponding to the first wide angles and the second wide angles. The method further includes signaling, for encoding the video sequence, one of the intra prediction modes and the additional intra prediction modes added to the table.
    Type: Application
    Filed: October 5, 2023
    Publication date: February 8, 2024
    Applicant: TENCENT AMERICA LLC
    Inventors: Liang ZHAO, Xin ZHAO, Xiang LI, Shan LIU
  • Publication number: 20240048730
    Abstract: Systems and methods for encoding and decoding using warp motion modes are provided. A method includes receiving a bitstream that includes a coded picture; obtaining warp information that is signaled in the bitstream, the warp information including a warp type indicating a number of parameters to be corrected by delta values, the number of parameters defining warp motion for predicting a current block of the coded picture; obtaining at least one delta value from the bitstream that is a delta of at least one parameter that defines the warp motion for predicting the current block; obtaining a warp model based on the warp information and the at least one delta value; and predicting the current block by performing warped motion compensation using the warp model.
    Type: Application
    Filed: November 7, 2022
    Publication date: February 8, 2024
    Applicant: Tencent America LLC
    Inventors: Han GAO, Liang ZHAO, Xin ZHAO, Shan LIU
  • Patent number: 11895304
    Abstract: An improved scheme for intra-inter prediction mode and an adaptive intra-inter prediction mode for video coding/decoding, including selecting a set of weightings in an intra-inter mode and applying position dependent intra prediction combination to modify at least one of an inter prediction sample and another sample.
    Type: Grant
    Filed: March 16, 2022
    Date of Patent: February 6, 2024
    Assignee: TENCENT AMERICA LLC
    Inventors: Liang Zhao, Xin Zhao, Xiang Li, Shan Liu
  • Patent number: 11895339
    Abstract: A method for video encoding includes determining a filter shape of a cross-component filter applied to a chroma coding block (CB), generating a first intermediate CB by applying a loop filter to the chroma CB, and generating a second intermediate CB by applying, to a corresponding luma CB, the cross-component filter applied to the chroma CB and having the determined filter shape. The method further includes determining a filtered chroma CB based on the first intermediate CB and the second intermediate CB by combining the loop filtered chroma CB with the cross-component filtered luma CB, and generating coded information of the chroma CB in a coded video bitstream. Determining the filter shape includes determining the filter shape of the cross-component filter based on the number of the filter coefficients and based on at least one of (i) the chroma subsampling format or (ii) the chroma sample type.
    Type: Grant
    Filed: August 2, 2022
    Date of Patent: February 6, 2024
    Assignee: TENCENT AMERICA LLC
    Inventors: Xiang Li, Xin Zhao, Yixin Du, Liang Zhao, Shan Liu
  • Patent number: 11894919
    Abstract: A satellite signal processing method includes: receiving, at a user equipment, a first satellite signal of a first frequency band from at least one satellite of a constellation of satellites; receiving, at the user equipment, a second satellite signal of a second frequency band and from the at least one satellite of the constellation of satellites; and controlling an activation status of at least one of: a first satellite signal receive chain, of the user equipment, configured to measure the first satellite signal; or a second satellite signal receive chain, of the user equipment, configured to measure the second satellite signal.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: February 6, 2024
    Assignee: QUALCOMM Incorporated
    Inventors: Rayman Pon, Pranav Iyengar, Liang Zhao
  • Publication number: 20240040538
    Abstract: Techniques are provided for determining the location of ultrawideband (UWB) devices in a network. An example method for providing location information associated with a target device in a UWB network includes determining a location of a bridge device, querying the bridge device for location information associated with the target device, receiving location information associated with the target device from the bridge device, and determining a location of the target device based at least in part on the location of the bridge device and the location information associated with the target device.
    Type: Application
    Filed: July 27, 2022
    Publication date: February 1, 2024
    Inventors: Liang ZHAO, Le Nguyen LUONG, Cheng-Han WANG, Bala RAMASAMY, SANTOSH KUMAR GUPTA, Yi ZENG, Chan Hong PARK, Koorosh AKHAVAN
  • Publication number: 20240035396
    Abstract: A system for realizing transformation of a thermal power unit based on combined high-parameter and low-parameter molten salts includes a high-parameter molten salt energy storage system, a low-parameter molten salt energy storage system and a thermal power unit. The high-parameter molten salt energy storage system and the low-parameter molten salt energy storage system include an electric heater for heating a molten salt, and an electric energy input end of the electric heater is connected with an electric energy output end of the thermal power unit. The low-parameter molten salt energy storage system includes a low-parameter molten salt heat absorption loop and a low-parameter molten salt heat release loop, and the high-parameter molten salt energy storage system includes a high-parameter molten salt heat absorption loop and a high-parameter molten salt heat release loop.
    Type: Application
    Filed: July 11, 2023
    Publication date: February 1, 2024
    Inventors: Xiaohui Song, Wei Han, Kangli Fu, Xu Lu, Haimin Ji, Mingyu Yao, Zaisong Yu, Liang Zhao
  • Publication number: 20240040142
    Abstract: Systems and methods for encoding and decoding using warp motion modes are provided. A method includes receiving a bitstream that includes a coded picture; obtaining a plurality of motion vectors pointing to positions in neighboring blocks that are adjacent to a current block in the coded picture, the plurality of motion vectors including at least one temporal motion vector; obtaining motion samples for a warp model based on the plurality of motion vectors; and decoding the current block by using the warp model and the motion samples including the at least one temporal motion vector for prediction. Some Embodiments may include methods of using temporal motion information to derive a warp model, and may further provide warp sample selection and grouping. Some embodiments may provide improvements on local warp motion modes.
    Type: Application
    Filed: November 3, 2022
    Publication date: February 1, 2024
    Applicant: TENCENT AMERICA LLC
    Inventors: Han GAO, Xin ZHAO, Liang ZHAO, Shan LIU
  • Patent number: 11887645
    Abstract: Dual-precision analog memory cells and arrays are provided. In some embodiments, a memory cell, comprises a non-volatile memory element having an input terminal and at least one output terminal; and a volatile memory element having a plurality of input terminals and an output terminal, wherein the output terminal of the volatile memory element is coupled to the input terminal of the non-volatile memory element, and wherein the volatile memory element comprises: a first transistor coupled between a first supply and a common node, and a second transistor coupled between a second supply and the common node; wherein the common node is coupled to the output terminal of the volatile memory element; and wherein gates of the first and second transistors are coupled to respective ones of the plurality of input terminals of the volatile memory element.
    Type: Grant
    Filed: December 15, 2022
    Date of Patent: January 30, 2024
    Assignee: Hefei Reliance Memory Limited
    Inventors: Zhichao Lu, Liang Zhao
  • Publication number: 20240031566
    Abstract: Methods and apparatuses for performing chroma from luma (CfL) intra prediction, including: receiving a current chroma block from a coded bitstream; determining whether CfL intra prediction mode is enabled for the coded bitstream; determining a color format corresponding to the coded bitstream; based on determining that the CfL intra prediction mode is enabled, and based on the determined color format, obtaining, from the coded bitstream, a syntax element indicating a downsampling filter used for the CfL intra prediction mode; selecting the downsampling filter among a plurality of downsampling filters to be used for a chroma block in the CfL intra prediction mode; determining luma sample positions associated with the current chroma block based on the selected downsampling filter; downsampling a plurality of luma samples at the luma sample positions, wherein pixels in each downsampled luma sample are co-located with corresponding pixels in the current chroma block; and reconstructing the current chroma block ba
    Type: Application
    Filed: November 9, 2022
    Publication date: January 25, 2024
    Applicant: TENCENT AMERICA LLC
    Inventors: Jing YE, Xin ZHAO, Liang ZHAO, Shan LIU
  • Publication number: 20240023884
    Abstract: Disclosed are a non-contact fatigue detection method and system. The method comprises: sending a millimeter-wave (mmWave) radar signal to a person being detected, receiving an echo signal reflected from the person, and determining a time-frequency domain feature, a non-linear feature and a time-series feature of a vital sign signal; acquiring a facial video image of the person, and performing facial detection and alignment on the basis of the facial video image, for extracting a time domain feature and a spatial domain feature of the person's face; fusing the determined vital sign signal with the time domain feature and the spatial domain feature of the person's face, for obtaining a fused feature; and determining whether the person is in a fatigued state by the fused feature. By fusing the two detection techniques, the method effectively suppressing the interference of subjective and objective factors, and improving the accuracy of fatigue detection.
    Type: Application
    Filed: June 23, 2021
    Publication date: January 25, 2024
    Applicant: CENTRAL CHINA NORMAL UNIVERSITY
    Inventors: Sannyuya LIU, Zongkai YANG, Liang ZHAO, Xiaoliang ZHU, Zhicheng DAI
  • Publication number: 20240031555
    Abstract: A method for video decoding is provided. For a current block, whether an angular intra prediction mode for the current block is a wide angle mode that is in a direction outside of a range of directions that spans a bottom left diagonal direction and a top right diagonal direction of the current block is determined. Based on the angular intra prediction mode being determined as the wide angle mode, an intra smooth filter is enabled, the enabled intra smooth filter is applied to blocks neighboring the current block to generate filtered blocks, and intra prediction is performed based on the filtered blocks to decode the current block.
    Type: Application
    Filed: September 29, 2023
    Publication date: January 25, 2024
    Applicant: TENCENT AMERICA LLC
    Inventors: Liang ZHAO, Xin Zhao, Xiang Li, Shan Liu
  • Publication number: 20240031596
    Abstract: The various implementations described herein include methods and systems for coding video. In one aspect, a method includes receiving a video bitstream including a current coding block in a current image frame, obtaining a syntax element value, and determining whether the current coding block is coded with a warped motion mode or a translational motion mode based on the syntax element value. The method further includes in accordance with a determination that the current coding block is coded with the warped motion mode, selecting a first motion vector difference (MVD) setting for the current coding block; in accordance with a determination that the current coding block is coded with the translational motion mode, selecting a second MVD setting distinct from the second MVD setting for the current coding block; and reconstructing the current coding block based at least in part on the selected MVD setting for the current coding block.
    Type: Application
    Filed: May 10, 2023
    Publication date: January 25, 2024
    Inventors: Liang ZHAO, Han GAO, Xin ZHAO, Shan LIU
  • Publication number: 20240031594
    Abstract: A method performed by a video decoder includes receiving a coded video bitstream including a current picture, a first reference picture, a second reference picture, and a joint motion vector difference (JMVD) associated with at least one block in the current picture. The method includes determining whether one or more scaling factors are used for an adaptive motion vector difference resolution (AMVD) based JMVD based on a predetermined condition. The method includes, in response to determining the one or more scaling factors are used for the AMVD based JMVD, scaling the JMVD based on the one or more scaling factors. The method includes deriving a first MVD for the first reference picture based on the scaled JMVD. The method includes deriving a second MVD for the second reference picture based on the derived first MVD. The method includes reconstructing the at least one block based on the derived first MVD and the derived second MVD.
    Type: Application
    Filed: November 8, 2022
    Publication date: January 25, 2024
    Applicant: TENCENT AMERICA LLC
    Inventors: Liang ZHAO, Xin ZHAO, Han GAO, Shan LIU