Patents by Inventor Bing Yu

Bing Yu 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).

  • METHODS AND APPARATUS ON TRANSFORM AND COEFFICIENT SIGNALING
    Publication number: 20240292033
    Abstract: A method for video encoding includes determining whether any coding group of a transform block located within a zero-out region has a non-zero coefficient. The transform block comprises a non-zero region and the zero-out region. Further, in accordance with a determination that no coding group of the transform block located within the zero-out region has a non-zero coefficient, the method includes applying respective inverse transforms to transform coefficients of the transform block in both horizontal and vertical directions.
    Type: Application
    Filed: April 30, 2024
    Publication date: August 29, 2024
    Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Xiaoyu Xiu, Tsung-Chuan Ma, Yi-Wen Chen, Xianglin Wang, Hong-Jheng Jhu, Bing Yu
  • Methods and apparatus of video coding in 4:4:4 color format
    Patent number: 12075047
    Abstract: An electronic apparatus performs a method of coding video data. The method comprises: receiving, from the bitstream, syntax elements associated with a coding unit, wherein the syntax elements include a first coded block flag (CBF) for residual samples of a first chroma component, a second CBF for residual samples of a second chroma component, and a third syntax element indicating whether adaptive color transform (ACT) is applied to the coding unit; determining whether to perform the chroma residual scaling to the residual samples of the chroma components according to the first CBF, the second CBF, and the third syntax element; in accordance with a determination to perform the chroma residual scaling to the residual samples of the first and second chroma components, scaling the residual samples of the at least one of the first and second chroma components based on a corresponding scaling parameter.
    Type: Grant
    Filed: December 12, 2022
    Date of Patent: August 27, 2024
    Assignee: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Xiaoyu Xiu, Yi-Wen Chen, Tsung-Chuan Ma, Hong-Jheng Jhu, Wei Chen, Che-Wei Kuo, Xianglin Wang, Bing Yu
  • MOTION COMPENSATION CONSIDERING OUT-OF-BOUNDARY CONDITIONS IN VIDEO CODING
    Publication number: 20240283968
    Abstract: Methods, apparatuses, and non-transitory computer-readable storage mediums are provided for video coding. In one method, a decoder derives a first reference picture and a second reference picture for a current coding block; the decoder derives a first predictor sample based on a first motion vector associated with the first reference picture using a motion compensation process from the first reference picture; the decoder derives a second predictor sample based on a second motion vector associated with the second reference picture using the motion compensation process from the second reference picture; and the decoder obtains a final predictor sample in the current coding block based on at least one of the first predictor sample or the second predictor sample and an out-of-boundary (OOB) condition.
    Type: Application
    Filed: April 25, 2024
    Publication date: August 22, 2024
    Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Yi-Wen CHEN, Xiaoyu XIU, Che-Wei KUO, Hong-Jheng JHU, Wei CHEN, Ning YAN, Xianglin WANG, Bing YU
  • CANDIDATE DERIVATION FOR AFFINE MERGE MODE IN VIDEO CODING
    Publication number: 20240283921
    Abstract: A method of video decoding, a method of video encoding, apparatuses and non-transitory computer-readable storage media thereof are provided. The method of video decoding includes obtaining one or more first parameters based on a first neighbor block of a current block and obtaining one or more second parameters based on the first neighbor block and/or a second neighbor block of the current block. Furthermore, the method may include constructing one or more affine models by using the one or more first parameters and the one or more second parameters and obtaining one or more control point motion vectors (CPMVs) for the current block based on the one or more affine models.
    Type: Application
    Filed: May 1, 2024
    Publication date: August 22, 2024
    Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Wei CHEN, Xiaoyu XIU, Yi-Wen CHEN, Hong-Jheng JHU, Che-Wei KUO, Ning YAN, Xianglin WANG, Bing YU
  • METHODS AND DEVICES FOR QUANTIZATION AND DE-QUANTIZATION DESIGN IN VIDEO CODING
    Publication number: 20240283932
    Abstract: A method for video decoding is provided. The method may be applied in a decoder and includes: receiving a video bitstream comprising a quantization parameter and a quantized level; deriving a scale value by scaling the quantization parameter by a scale factor; determining a plurality of parameters associated with a coding unit (CU); obtaining a plurality of bit-shifts by bit-shifting the plurality of parameters; and obtaining a plurality of coefficients associated with the CU based on the quantized level, the scale value, and the plurality of bit-shifts.
    Type: Application
    Filed: April 16, 2024
    Publication date: August 22, 2024
    Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Hong-Jheng JHU, Xiaoyu XIU, Xianglin WANG, Yi-Wen CHEN, Tsung-Chuan MA, Bing YU
  • INTRA PREDICTION MODES SIGNALING
    Publication number: 20240283924
    Abstract: Methods, apparatuses, and non-transitory computer-readable storage mediums are provided for video coding. In one method, a decoder constructs an intra prediction mode list for a current video block based on intra prediction modes applied in the current video block and neighboring video block; and the decoder may reorder intra prediction modes in the intra prediction mode list based on coded information of the current video block or derived information of the current video block.
    Type: Application
    Filed: April 30, 2024
    Publication date: August 22, 2024
    Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Hong-Jheng JHU, Xiaoyu XIU, Yi-Wen CHEN, Wei CHEN, Che-Wei KUO, Ning YAN, Xianglin WANG, Bing YU
  • METHODS AND DEVICES FOR QUANTIZATION AND DE-QUANTIZATION DESIGN IN VIDEO CODING
    Publication number: 20240283931
    Abstract: A method for video encoding is provided. The method may be applied in an encoder and includes: determining, for a first coding block, a quantization parameter and a quantized level; deriving a scale value by scaling the quantization parameter by a scale factor; determining a plurality of parameters associated with a coding unit (CU); obtaining a plurality of bit-shifts by bit-shifting the plurality of parameters; and obtaining a plurality of coefficients associated with the CU based on the quantized level, the scale value, and the plurality of bit-shifts.
    Type: Application
    Filed: April 16, 2024
    Publication date: August 22, 2024
    Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Hong-Jheng JHU, Xiaoyu XIU, Xianglin WANG, Yi-Wen CHEN, Tsung-Chuan MA, Bing YU
  • METHODS AND DEVICES FOR QUANTIZATION AND DE-QUANTIZATION DESIGN IN VIDEO CODING
    Publication number: 20240283933
    Abstract: A method for video encoding is provided. The method may be applied in an encoder and includes: determining, for a first coding block, a quantization parameter and a quantized level; deriving a scale value by scaling the quantization parameter by a scale factor, determining a plurality of parameters associated with a coding unit (CU); obtaining a plurality of bit-shifts by bit-shifting the plurality of parameters; and obtaining a plurality of coefficients associated with the CU based on the quantized level, the scale value, and the plurality of bit-shifts.
    Type: Application
    Filed: April 16, 2024
    Publication date: August 22, 2024
    Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Hong-Jheng JHU, Xiaoyu XIU, Xianglin WANG, Yi-Wen CHEN, Tsung-Chuan MA, Bing YU
  • METHODS AND APPARATUS ON TRANSFORM AND COEFFICIENT SIGNALING
    Publication number: 20240283977
    Abstract: A method for video coding includes determining whether any coding group of a transform block located within a second region has a non-zero coefficient. The transform block comprises a first region and the second region. Further, in accordance with a determination that no coding group of the transform block located within the second region has a non-zero coefficient, the method includes applying respective inverse transforms to transform coefficients of the transform block in horizontal and vertical directions.
    Type: Application
    Filed: April 30, 2024
    Publication date: August 22, 2024
    Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Xiaoyu Xiu, Tsung-Chuan Ma, Yi-Wen Chen, Xianglin Wang, Hong-Jheng Jhu, Bing Yu
  • Methods and apparatuses for prediction refinement with optical flow, bi-directional optical flow, and decoder-side motion vector refinement
    Patent number: 12069297
    Abstract: A bit-depth representation method, apparatus, and a non-transitory computer-readable storage medium are provided. A decoder obtains a reference picture I associated with a video block within the video signal. The decoder obtains prediction samples of the video block from a reference block in the reference picture I. The decoder controls internal PROF parameters of a PROF derivation process by applying right-shifting to the internal PROF parameters based on a bit-shift value to achieve a preset precision. The decoder obtains prediction refinement values for samples in the video block based on the PROF derivation process being applied to the video block based on the prediction samples. The decoder obtains prediction samples of the video block based on the combination of the prediction samples and the prediction refinement values.
    Type: Grant
    Filed: April 6, 2022
    Date of Patent: August 20, 2024
    Assignee: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Xiaoyu Xiu, Yi-Wen Chen, Xianglin Wang, Bing Yu
  • Methods and apparatus of video coding in 4:4:4 chroma format
    Patent number: 12069311
    Abstract: An electronic apparatus performs a method of decoding video data, comprising: receiving, from bitstream, a first syntax element in a slice header of a slice that indicates whether luma mapping with chroma scaling (LMCS) is applied to a coding unit in the slice; receiving a second syntax element for the coding unit that indicates whether the coding unit has been coded using adaptive color-space transform (ACT); if the second syntax element has a non-zero value, decoding the coding unit by applying inverse ACT to convert luma and chroma residuals of the coding unit from a transformed color space to an original color space of the video data; and if the first syntax element has a non-zero value, decoding the coding unit by performing inverse luma mapping to the luma samples and inverse scaling to the chroma residuals of the coding unit after performing the inverse ACT.
    Type: Grant
    Filed: April 8, 2022
    Date of Patent: August 20, 2024
    Assignee: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Xiaoyu Xiu, Yi-Wen Chen, Tsung-Chuan Ma, Hong-Jheng Jhu, Xianglin Wang, Bing Yu
  • BCL-XL INHIBITOR ANTIBODY-DRUG CONJUGATES AND METHODS OF USE THEREOF
    Publication number: 20240269304
    Abstract: Antibody-drug conjugates that bind to human oncology targets are disclosed. The antibody-drug conjugates comprise a Bcl-xL inhibitor drug moiety. The disclosure farther relates to methods and compositions for use in the treatment of cancers by administering the antibody-drug conjugates provided herein. Linker-drug conjugates comprising Bcl-xL inhibitor drug moiety and methods of making same are also disclosed.
    Type: Application
    Filed: November 23, 2021
    Publication date: August 15, 2024
    Inventors: Matthew T. Burger, Zhuoliang Chen, Joseph Anthony D'Alessio, Eric McNeill, Katsumasa Nakajima, Richard Vaughan Newcombe, Mark G. Palermo, Bing Yu, Qiang Zhang, Frédéric Colland, James Edward Paul Davidson, Lea Delacour, Patrice Desos, Olivier Geneste, Vesela Kostova, Andras Kotschy, Ana Leticia Maragno, James Brooke Murray, Tibor Novak, Jérôme Benoit Starck
  • Small chroma block size restriction in video coding
    Patent number: 12063375
    Abstract: An electronic apparatus performs a method for video decoding. The method comprises: receiving, from a bitstream, a coding unit and determining a mode type condition of the coding unit; if the coding unit is encoded in a first chroma format, setting the mode type condition of the coding unit to a first mode type condition; if the coding unit is encoded in a second chroma format and the coding unit is a smallest chroma intra prediction unit, setting the mode type condition of the coding unit to a second mode type condition if a luma block of the coding unit and the splitting method satisfy a first criterion; setting the mode type condition of the coding unit to a third mode type condition if the luma block of the coding unit and the splitting method satisfy a second criterion, and decoding the coding unit based on the mode type condition.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: August 13, 2024
    Assignee: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Yi-Wen Chen, Xiaoyu Xiu, Tsung-Chuan Ma, Hong-Jheng Jhu, Xianglin Wang, Bing Yu
  • METHODS AND APPARATUS FOR PREDICTION SIMPLIFICATION IN VIDEO CODING
    Publication number: 20240267565
    Abstract: A method of decoding a syntax element for a current coding unit of video data is performed by an electronic apparatus. The electronic apparatus receives a video bitstream, and identifies, for the current coding unit, an above coding unit and a coding tree unit including the current coding unit. After determining that the above coding unit is within the coding tree unit, the electronic apparatus decodes, from the video bitstream, a corresponding syntax element for the current coding unit based, at least in part, on a syntax element associated with the above coding unit retrieved from a line buffer associated with the coding tree unit; otherwise, the electronic apparatus decodes, from the video bitstream, the corresponding syntax element for the current coding unit based, at least in part, on a default value assigned to the syntax element associated with the above coding unit.
    Type: Application
    Filed: April 12, 2024
    Publication date: August 8, 2024
    Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Tsung-Chuan Ma, Hong-Jheng Jhu, Xianglin Wang, Yi-Wen Chen, Xiaoyu Xiu, Shuiming Ye, Yun-Fei Zheng, Bing Yu
  • CHARGING CIRCUIT, CHARGING METHOD, ELECTRONIC DEVICE, AND STORAGE MEDIUM
    Publication number: 20240266844
    Abstract: A charging circuit, a charging method, an electronic device, a controller, and a storage medium are disclosed. The circuit may include a detection module configured to detect state information of a charge pump charging system; a charging control module, having an input end connected with an output end of the detection module, and being configured to output a corresponding control instruction according to the state information; and a switching module configured to receive the control instruction from the charging control module and to switch a charging path of the charge pump charging system.
    Type: Application
    Filed: April 21, 2022
    Publication date: August 8, 2024
    Inventor: Bing YU
  • CANDIDATE DERIVATION FOR AFFINE MERGE MODE IN VIDEO CODING
    Publication number: 20240267546
    Abstract: A method of video coding, an apparatus and a non-transitory computer-readable storage medium thereof are provided. The method includes obtaining one or more motion vector candidates from a plurality of non-adjacent neighbor blocks to a current block based on at least one scanning distance, where one of the at least one scanning distance may indicate a number of blocks away from one side of the current block, and the number may be a positive integer. Furthermore, the method may include obtaining one or more control point motion vectors (CPMVs) for the current block based on the one or more motion vector candidates.
    Type: Application
    Filed: March 25, 2024
    Publication date: August 8, 2024
    Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Wei CHEN, Xiaoyu XIU, Yi-Wen CHEN, Hong-Jheng JHU, Che-Wei KUO, Ning YAN, Xianglin WANG, Bing YU
  • CANDIDATE DERIVATION FOR AFFINE MERGE MODE IN VIDEO CODING
    Publication number: 20240259554
    Abstract: A method of video coding, an apparatus and a non-transitory computer-readable storage medium thereof are provided. The method includes obtaining one or more affine candidates from a plurality of non-adjacent neighbor blocks that are non-adjacent to a current block. The method may further include obtaining one or more control point motion vectors (CPMVs) for the current block based on the one or more affine candidates.
    Type: Application
    Filed: March 20, 2024
    Publication date: August 1, 2024
    Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Wei CHEN, Xiaoyu XIU, Yi-Wen CHEN, Hong-Jheng JHU, Che-Wei KUO, Ning YAN, Xianglin WANG, Bing YU
  • CROSS-COMPONENT SAMPLE ADAPTIVE OFFSET
    Publication number: 20240259578
    Abstract: Method and devices are provided for video coding. In the method, a decoder obtains a cross-component sample adaptive offset (CCSAO) quantization associated with an offset quantization control syntax and a quantization step size that are predefined or indicated by an encoder at at least one level. Furthermore, the decoder obtains a CCSAO based on the CCSAO quantization and adds the CCSAO to a reconstructed sample for prediction.
    Type: Application
    Filed: March 28, 2024
    Publication date: August 1, 2024
    Inventors: Che-Wei Kuo, Xiaoyu XIU, Wei Chen, Xianglin Wang, Yi-Wen Chen, Hong-Jheng Jhu, Ning Yan, Bing Yu
  • IN-LOOP FILTERS FOR VIDEO CODING
    Publication number: 20240251085
    Abstract: This application is directed to coding video data that includes a plurality of image samples of a video frame. Each image sample corresponds to one of a luma sample and a chroma sample. Each image sample is filtered using an adaptive in-loop filter having a filter length and a set of filter coefficients. A set of related image samples are identified in the filter length of each image sample. For each related image sample, a respective clip value index and a corresponding filter coefficient are identified. A difference of each related image sample and the respective image sample is clipped based on the respective clip value index that corresponds to a respective clipping boundary value equal to 2 to a power of a respective clipping number. The respective image sample is modified with the clipped difference of each of the related image samples based on the respective filter coefficient.
    Type: Application
    Filed: April 4, 2024
    Publication date: July 25, 2024
    Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Yi-Wen CHEN, Xiaoyu XIU, Tsung-Chuan MA, Hong-Jheng JHU, Xianglin WANG, Bing YU
  • UWB COMPONENT, TERMINAL, AND UWB SYSTEM
    Publication number: 20240250713
    Abstract: A UWB component, a terminal and a UWB system are disclosed. The UWB component is arranged externally to a terminal device and deployed as at least one of, a UWB tag or a UWB anchor, the UWB component may include, a first interface module, and a UWB module connected to the first interface module, the first interface module being arranged to be connected with the terminal device; where the first interface module is configured to transfer a transmission between the terminal device and the UWB module, and the transmission may include one or a combination of, a power supply voltage required by the UWB module, a clock signal, or a communication signal.
    Type: Application
    Filed: April 24, 2022
    Publication date: July 25, 2024
    Inventor: Bing YU