Patents by Inventor Xinwei Li

Xinwei 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).

  • Publication number: 20240146932
    Abstract: A video decoding method using a subblock temporal motion prediction for regular inter mode (sbAmvp mode). The method includes: receiving a bitstream comprising one or more syntax elements signaling coding unit (CU) level motion information associated with a CU, wherein the CU is encoded using regular inter mode; dividing the CU into a plurality of subblocks; and performing the sbAmvp mode on the plurality of subblocks.
    Type: Application
    Filed: October 16, 2023
    Publication date: May 2, 2024
    Inventors: Ru-ling LIAO, Jie CHEN, Yan YE, Xinwei LI
  • Patent number: 11973936
    Abstract: Colour component prediction method is provided, which includes that: first reference sample set corresponding to colour component to be predicted of coding block in video image is acquired; when available sample number in first reference sample set is less than preset number, preset component value is taken as predicted value corresponding to the colour component to be predicted; when available sample number in first reference sample set is not less than preset number, first reference sample set is screened to obtain second reference sample set; when available sample number in second reference sample set is equal to preset number, model parameter is determined through second reference sample set, and prediction model corresponding to colour component to be predicted is obtained based on model parameter, prediction model is used for prediction processing of colour component to be predicted to obtain predicted value corresponding to colour component to be predicted.
    Type: Grant
    Filed: April 18, 2022
    Date of Patent: April 30, 2024
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Junyan Huo, Yanzhuo Ma, Shuai Wan, Fuzheng Yang, Xinwei Li, Qihong Ran
  • Patent number: 11968379
    Abstract: Disclosed is a video decoding method, including: obtaining a current video frame, the current video frame being partitioned into a plurality of regions; obtaining a syntax element carried in syntax data corresponding to each of the plurality of regions, the syntax element being used for indicating a resolution used to decode the region, and a plurality of resolutions used to decode the plurality of regions including at least two different resolutions; and decoding the each of the plurality of regions by using the resolution corresponding to the region. The plurality of resolutions are determined according to a transmission bandwidth of a video stream including the current video frame from a source to a destination, e.g., by comparing the transmission bandwidth with a preset bandwidth threshold.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: April 23, 2024
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Xinwei Gao, Weiran Li, Chenchen Gu
  • Patent number: 11967103
    Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for estimating a 3-D pose of an object of interest from image and point cloud data. In one aspect, a method includes obtaining an image of an environment; obtaining a point cloud of a three-dimensional region of the environment; generating a fused representation of the image and the point cloud; and processing the fused representation using a pose estimation neural network and in accordance with current values of a plurality of pose estimation network parameters to generate a pose estimation network output that specifies, for each of multiple keypoints, a respective estimated position in the three-dimensional region of the environment.
    Type: Grant
    Filed: October 20, 2021
    Date of Patent: April 23, 2024
    Assignee: Waymo LLC
    Inventors: Jingxiao Zheng, Xinwei Shi, Alexander Gorban, Junhua Mao, Andre Liang Cornman, Yang Song, Ting Liu, Ruizhongtai Qi, Yin Zhou, Congcong Li, Dragomir Anguelov
  • Publication number: 20240127859
    Abstract: The present disclosure provides a video generation method, an apparatus, a device, a storage medium, and a program product, and the method includes: in response to a first instruction triggered for an input text, generating first video editing data based on the input text, in which the first video editing data includes a first video clip and an audio clip, a first target video clip among the first video clip is a vacant clip; displaying the first video clip and the audio clip on a video editing track of a video editor; in response to triggering a second instruction for the target video clip on the video editor, filling the first target video clip with a target video to obtain second video editing data; generating a first video based on the second video editing data.
    Type: Application
    Filed: December 20, 2023
    Publication date: April 18, 2024
    Inventor: Xinwei LI
  • Publication number: 20240116966
    Abstract: The present invention relates to a binuclear metal platinum complex and application thereof. The binuclear metal platinum complex is a compound having a structure of a chemical formula (I). The compound is applied in an organic light-emitting diode, has lower driving voltage and higher luminous efficiency, and can significantly improve the service life of a device, thus having the potential of being applied in the field of display panels. The present invention further provides an organic light-emitting diode including a cathode, an anode, and an organic layer. The organic layer is one or more of a hole injection layer, a hole transport layer, a light-emitting layer, a hole blocking layer, an electron transport layer, and an electron injection layer. At least one of the organic layers includes the compound of the structural formula (I).
    Type: Application
    Filed: October 24, 2021
    Publication date: April 11, 2024
    Applicant: GUANGDONG AGLAIA OPTOELECTRONIC MATERIALS CO., LTD
    Inventors: Huiyang LI, Xinwei WU, Lei DAI, Lifei CAI
  • Publication number: 20240121405
    Abstract: A method for intra prediction includes: obtaining multiple previously reconstructed neighbouring blocks corresponding to a current processing block; determining prediction modes, that are signalled in a bitstream, corresponding to neighbouring blocks of the multiple previously reconstructed neighbouring blocks, to obtain multiple first prediction modes; if the multiple first prediction modes comprise at least two directional modes, taking directional modes comprised in the multiple first prediction modes as first prediction directions; performing, according to a preset operation rule, operation on multiple first prediction directions of the first prediction directions to obtain second prediction directions; obtaining a prediction mode set according to the second prediction directions and the multiple first prediction modes; and performing intra prediction on the current processing block based on the prediction mode set.
    Type: Application
    Filed: December 18, 2023
    Publication date: April 11, 2024
    Inventors: Yanzhuo MA, Junyan HUO, Shuai WAN, Fuzheng YANG, Ze GUO, Xinwei LI
  • Publication number: 20240105233
    Abstract: The present disclosure provides a video generation method, an apparatus, a device, and a storage medium, and the method includes: displaying shooting indication information of storyboard shots corresponding to a target video editing template in response to a trigger operation for the target video editing template, the shooting indication information being configured to indicate shooting modes and/or shooting content features corresponding to the storyboard shots; acquiring user material for the storyboard shots corresponding to the target video editing template, respectively; and generating a target result video corresponding to the target video editing template according to the user material respectively corresponding to the storyboard shots.
    Type: Application
    Filed: December 4, 2023
    Publication date: March 28, 2024
    Inventors: Xinwei LI, Jianfan ZHAO
  • Publication number: 20240107030
    Abstract: Chroma intra prediction methods and devices are provided. The method comprises parsing bitstream data corresponding to a current chroma block, and determining that a prediction mode corresponding to the current chroma block is DM; before determining a set of chroma prediction modes based on at least one modified candidate mode, acquiring a linear mode corresponding to the current chroma block; determining an intra prediction mode of the current chroma block from the set of chroma prediction modes, wherein the set of chroma prediction modes comprises at least one of the DM, LM, LM_T or LM_L, wherein when a luma prediction mode corresponding to the DM is one of a DC mode, Planar mode, VER mode or HOR mode, the set of modes comprises an angular mode with an index number 66; and determining a reconstructed value of the current chroma block according to the intra prediction mode.
    Type: Application
    Filed: October 24, 2023
    Publication date: March 28, 2024
    Inventors: JUNYAN HUO, YANZHUO MA, SHUAI WAN, FUZHENG YANG, XINWEI LI
  • Patent number: 11943473
    Abstract: A video decoding method is disclosed and performed by an electronic device, the method including: obtaining a first resolution used in decoding a current block and a second resolution used in decoding a reference block in a current video frame, the reference block being a reference block used for performing directional prediction on the current block in the current video frame; building a reconstruction block from the reference block; when the first resolution is greater than the second resolution, adjusting the reconstruction block of the reference block to the first resolution to obtain a first reconstruction block; and performing directional prediction on the current block according to the first reconstruction block and the current block.
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: March 26, 2024
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Xinwei Gao, Weiran Li, Xunan Mao, Chenchen Gu
  • Publication number: 20240098274
    Abstract: Chroma intra prediction methods and devices are provided. The method comprising: parsing bitstream data corresponding to a current chroma block, and determining that a prediction mode corresponding to the current chroma block is DM; before determining a set of chroma prediction modes based on at least one modified candidate mode, acquiring a linear mode corresponding to the current chroma block from the bitstream data; determining an intra prediction mode of the current chroma block from the set of chroma prediction modes, wherein the set of chroma prediction modes comprises at least one of the DM, LM, LM_T or LM_L, wherein when a luma prediction mode corresponding to the DM is a DC mode or a planar mode, the set of chroma prediction modes comprises a diagonal angular mode with prediction direction index number 66, determining a reconstructed value of the current chroma block according to the intra prediction mode.
    Type: Application
    Filed: October 24, 2023
    Publication date: March 21, 2024
    Inventors: JUNYAN HUO, YANZHUO MA, SHUAI WAN, FUZHENG YANG, XINWEI LI
  • Publication number: 20240089430
    Abstract: The present disclosure provides a video data processing method. The method includes: receiving a bitstream; decoding a first index from the bitstream; determining a maximum number of an adaptive loop filter (ALF) for a component of a picture based on the first index; and processing pixels in the picture with the ALF.
    Type: Application
    Filed: November 16, 2023
    Publication date: March 14, 2024
    Inventors: Jie CHEN, Ru-Ling LIAO, Xinwei LI, Yan YE
  • Publication number: 20240080448
    Abstract: The present disclosure provides a video data processing method for cross-component sample adaptive offset (CCSAO). The method includes determining an index based on a vertical coordinate of a chroma sample within a picture; determining a luma sample based on the index; classifying the chroma sample based on a reconstructed value associated with the luma sample; determining an offset based on the classification; and adding the offset to a reconstructed value associated with the chroma sample.
    Type: Application
    Filed: November 8, 2023
    Publication date: March 7, 2024
    Inventors: Xinwei LI, Jie CHEN, Ru-Ling LIAO, Yan YE
  • Patent number: 11924417
    Abstract: A method for video processing using Cross-Component Adaptive Loop Filter (CCALF) is provided. The method includes filtering decoded video content using a CCALF, wherein the CCALF is a 24-tap 9×9 filter.
    Type: Grant
    Filed: June 24, 2022
    Date of Patent: March 5, 2024
    Assignee: Alibaba Singapore Holding Private Limited
    Inventors: Mohammed Golam Sarwer, Ru-Ling Liao, Jie Chen, Yan Ye, Xinwei Li
  • Patent number: 11924439
    Abstract: Chroma intra prediction methods and devices are provided. The method comprises: decoding bitstream data corresponding to a current block, and determining that a prediction mode corresponding to a chroma component of the current block is a direct mode (DM); determining an intra prediction mode of a chroma component of the current block from a set of chroma prediction modes, wherein the set of chroma prediction modes comprises at least one of the DM derived modes, LM, LM_T or LM_L; and determining a reconstructed value of the current chroma block according to the intra prediction mode.
    Type: Grant
    Filed: August 11, 2022
    Date of Patent: March 5, 2024
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Junyan Huo, Yanzhuo Ma, Shuai Wan, Fuzheng Yang, Xinwei Li
  • Patent number: 11924409
    Abstract: A video processing method includes: determining whether an inter predictor correction is enabled for a coding block; and when the inter predictor correction is enabled for the coding block, performing the inter predictor correction by: obtaining a plurality of predicted samples from a top boundary and a left boundary of a predicted block corresponding to the coding block; obtaining a plurality of reconstructed samples from top neighboring reconstructed samples and left neighboring reconstructed samples of the coding block; and deriving a corrected predicted block based on the plurality of the predicted samples, the plurality of the reconstructed samples and the predicted block.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: March 5, 2024
    Assignee: Alibaba (China) Co., Ltd.
    Inventors: Xinwei Li, Jie Chen, Ru-Ling Liao, Yan Ye
  • Publication number: 20240072549
    Abstract: An energy storage apparatus includes a control circuit, multiple battery clusters connected in parallel, and switch circuits corresponding to the battery clusters. The switch circuit includes a first switch and a protection circuit connected in parallel. The control circuit is connected to each first switch and each protection circuit. Each battery cluster is connected to the corresponding first switch and protection circuit. The control circuit is configured to control, according to a high voltage on signal, the protection circuit to be closed and the first switch to be opened.
    Type: Application
    Filed: October 27, 2023
    Publication date: February 29, 2024
    Inventors: Xinwei CHEN, Xiangtao LI, Yu YAN, Zhimin DAN, Qidong LOU
  • Patent number: 11902538
    Abstract: Disclosed in the implementations of the present disclosure are a mapping method, an encoder, a decoder, and a computer storage medium. The method may include: determining an intra prediction mode used at the time of encoding or decoding a current block; mapping, if the intra prediction mode is a MIP mode, the MIP mode to a first non-MIP mode; and mapping, if the intra prediction mode is a non-MIP mode, the non-MIP mode to a second MIP mode.
    Type: Grant
    Filed: October 14, 2022
    Date of Patent: February 13, 2024
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Junyan Huo, Yanzhuo Ma, Shuai Wan, Fuzheng Yang, Xinwei Li, Haixin Wang
  • Patent number: 11882293
    Abstract: A method for intra prediction includes: obtaining multiple previously reconstructed neighbouring blocks corresponding to a current processing block; determining prediction modes, that are signalled in a bitstream, corresponding to neighbouring blocks of the multiple previously reconstructed neighbouring blocks, to obtain multiple first prediction modes; if the multiple first prediction modes comprise at least two directional modes, taking directional modes comprised in the multiple first prediction modes as first prediction directions; performing, according to a preset operation rule, operation on multiple first prediction directions of the first prediction directions to obtain second prediction directions; obtaining a prediction mode set according to the second prediction directions and the multiple first prediction modes; and performing intra prediction on the current processing block based on the prediction mode set.
    Type: Grant
    Filed: April 14, 2022
    Date of Patent: January 23, 2024
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Yanzhuo Ma, Junyan Huo, Shuai Wan, Fuzheng Yang, Ze Guo, Xinwei Li
  • Publication number: 20240022757
    Abstract: A VVC-standard encoder and a VVC-standard decoder are provided, implementing application of DMVR on affine merge mode-coded blocks to refine the motion vector accuracy and thereby improve coding efficiency. A refined motion vector (MV) search is performed for a control point motion vector (CPMV) of an inter-coded coding block (CB), outputting a refined MV of the CB. A refined MV search includes deriving a MV of a subblock of the CB based on a CPMV of the CB, performing subblock MV refinement for the MV of the subblock, and outputting the refined MV of the CB based on a refined MV of the subblock. A refined MV search further includes deriving an affine model parameter based on a plurality of CPMVs of the CB, performing an affine parameter offset search for the affine model parameter, and outputting the refined MV of the CB based on an optimal parameter offset.
    Type: Application
    Filed: July 3, 2023
    Publication date: January 18, 2024
    Inventors: Jie Chen, Ru-Ling Liao, Xinwei Li, Yan Ye