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).

  • Patent number: 12047567
    Abstract: Systems and methods for applying an adaptive loop filter (ALP) in video coding are provided. The method may include determining a first rate-distortion cost of applying the adaptive loop filter on a reconstructed block. The reconstructed block includes a reconstructed version of an image block of an image frame from a video. The method may further include determining a second rate-distortion cost of not applying the adaptive loop filter on the reconstructed block. The method may additionally include determining whether to apply the adaptive loop filter for processing the reconstructed block based on the first rate-distortion cost and the second rate-distortion cost.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: July 23, 2024
    Assignee: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Yi-Wen Chen, Xianglin Wang, Xiaoyu Xiu, Hong-Jheng Jhu, Bing Yu
  • Patent number: 12047598
    Abstract: An electronic apparatus performs a method of decoding video data. The method comprises: receiving, from a bitstream, a first control flag that indicates merge mode with motion vector difference (MMVD) is enabled for one or more coding units in a video sequence; receiving a first syntax from the video data that identifies a set of motion vector difference (MVD) offsets from a plurality sets of MVD offsets; receiving, a second control flag corresponding to a respective coding unit of the one or more coding units, which indicates the MMVD is applied to the coding unit; receiving a second syntax that selects an MVD offset from the identified set of MVD offsets, and a third syntax that selects an MVD direction; forming MVD based on the selected MVD offset and MVD direction; and reconstructing the coding unit by applying the formed MVD to generate motion vectors to the coding unit.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: July 23, 2024
    Assignee: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Xiaoyu Xiu, Wei Chen, Yi-Wen Chen, Tsung-Chuan Ma, Hong-Jheng Jhu, Xianglin Wang, Bing Yu
  • Publication number: 20240244190
    Abstract: A method of encoding video data includes obtaining a parameter set associated with a non-skip mode coded block; signaling a first syntax element in a bitstream; signaling a second syntax element in the bitstream; and signaling a third syntax element in the bitstream. The method further includes encoding video data corresponding to the non-skip mode coded block using palette mode when the first syntax element has a first value and the third syntax element has the first value; encoding the video data corresponding to the non-skip mode coded block using intra prediction mode when the first syntax element has the first value and the third syntax element has a second value; encoding the video data corresponding to the non-skip mode coded block using inter prediction mode when the first syntax element has the second value; and transmitting the video data corresponding to the non-skip mode coded block via the bitstream.
    Type: Application
    Filed: March 28, 2024
    Publication date: July 18, 2024
    Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Yi-Wen Chen, Xianglin Wang, Xiaoyu Xiu, Tsung-Chuan Ma, Bing Yu
  • Publication number: 20240244192
    Abstract: Methods, apparatuses, and non-transitory computer-readable storage mediums are provided for video coding with an intra prediction coding mode. In one method, a decoder determines prediction sample values of one or more video blocks based on position-dependent intra prediction combination (PDPC) operations for one or more intra predictions of the one or more video blocks to unify the PDPC operations in the intra prediction coding mode; and in response to determining that a direct current (DC) mode, a planar mode, or an angular mode is applied in the one or more intra predictions of the one or more video blocks, the decoder may disable the PDPC operations respectively for the DC mode, the planar mode, or the angular mode to unify the PDPC operations in the intra prediction coding mode.
    Type: Application
    Filed: March 25, 2024
    Publication date: July 18, 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
  • Publication number: 20240223811
    Abstract: Implementations of the disclosure provide a video decoding apparatus and method for transform coefficient sign prediction on a video decoder side. The method may include generating a plurality of candidate hypotheses for a set of candidate transform coefficients associated with a transform block of a video frame from a video. The method may further include selecting a hypothesis from the plurality of candidate hypotheses as a set of predicted signs for the set of candidate transform coefficients, wherein the hypothesis is selected based on a cost function calculated by extrapolating neighboring samples of the transform block in an extrapolation direction determined based on a dominant gradient direction. The method may also include estimating original signs for the set of candidate transform coefficients based on the set of predicted signs and a sequence of sign signaling bits received from a video encoder.
    Type: Application
    Filed: March 15, 2024
    Publication date: July 4, 2024
    Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Xiaoyu Xiu, Ning YAN, Yi-Wen Chen, Che-Wei KUO, Wei CHEN, Hong-Jheng Jhu, Xianglin Wang, Bing Yu
  • Publication number: 20240223760
    Abstract: Implementations of the disclosure provide a video processing apparatus and method for bilateral filtering in video coding. The video processing method may include receiving, by one or more processors, a reconstructed block for in-loop filtering. The reconstructed block is reconstructed from a video block of a video frame from a video. The video processing method may also include applying, by the one or more processors, a bilateral filtering scheme to the reconstructed block to generate a plurality of bilateral filtering offsets for a plurality of reconstructed samples in the reconstructed block. The video processing method may further include generating, by the one or more processors, a plurality of filtered samples based on the plurality of bilateral filtering offsets. The plurality of filtered samples are used as inputs to subsequent adaptive loop filtering.
    Type: Application
    Filed: March 7, 2024
    Publication date: July 4, 2024
    Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Ning YAN, Xiaoyu Xiu, Yi-Wen Chen, Che-Wei KUO, Wei CHEN, Hong-Jheng JHU, Xianglin WANG, Bing Yu
  • Publication number: 20240214561
    Abstract: Methods, apparatuses, and non-transitory computer-readable storage mediums are provided for video decoding. In one method, a decoder identifies a floating-point division operation to be performed to derive parameters in decoder-side intra mode derivation (DIMD) mode or in template-based intra mode derivation (TIMD) mode; and the decoder obtains the parameters in the DIMD mode or the TIMD mode by replacing the floating-point division operation with integer additions and multiplications based on a look-up-table (LUT).
    Type: Application
    Filed: March 8, 2024
    Publication date: June 27, 2024
    Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Xiaoyu XIU, Hong-Jheng JHU, Yi-Wen CHEN, Wei CHEN, Che-Wei KUO, Ning YAN, Xianglin WANG, Bing YU
  • Publication number: 20240214580
    Abstract: Methods, apparatuses, and non-transitory computer-readable storage mediums are provided for video decoding. In one method, a decoder constructs a plurality of intra prediction mode groups (IPMGs), and each IPMG of the plurality of IPMGs comprises a plurality of intra prediction modes; in response to determining that a current IPMG is indicated to generate an intra prediction mode for a current block, the decoder may derive a scheme of intra prediction modes to determine a best mode within the current IPMG to generate intra prediction samples for the current block, and the scheme of intra prediction modes comprises decoder-side intra mode derivation (DIMD) and template-based intra mode derivation (TIMD).
    Type: Application
    Filed: March 4, 2024
    Publication date: June 27, 2024
    Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Hong-Jheng JHU, Yi-Wen CHEN, Xiaoyu XIU, Xianglin WANG, Bing YU
  • Publication number: 20240208800
    Abstract: A microelectromechanical system (MEMS) sensor assembly comprises a substrate, a bump stopper extending from the substrate, and a sensor suspended relative to the substrate. The sensor is configured to move relative to the substrate, wherein the bump stopper is configured to restrain the sensor travel distance and prevent contact between the sensor and the substrate. The bump stopper has a surface facing the sensor, wherein an area of contact between the sensor and the surface is less than the total area of the surface.
    Type: Application
    Filed: December 22, 2022
    Publication date: June 27, 2024
    Inventors: Ken Deng, Bing Yu, Michael Pedersen, Nicholas Palcheck, Jeremy Johnson, Richard Li-Chen Chen
  • Publication number: 20240214587
    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 5, 2024
    Publication date: June 27, 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
  • Publication number: 20240214595
    Abstract: An electronic apparatus performs a method of decoding video signal, including: receiving, from the video signal, a picture frame that includes a first component, and a second component; selecting an edge direction across a collocated sample of the first component or a current sample of the second component relative to the respective sample of the second component; calculating a first edge strength determining a difference between values of two samples from the group consisting of the collocated or current sample, a first neighbouring sample, and a second neighbouring sample; quantizing the first edge strength into M segments according to M-1 threshold values; determining the classifier for the respective sample of the second component based on the M segments; determining a sample offset for the respective sample of the second component according to the classifier; and modifying the respective sample of the second component based on the determined sample offset.
    Type: Application
    Filed: March 8, 2024
    Publication date: June 27, 2024
    Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Che-Wei KUO, Xiaoyu XIU, Wei CHEN, Xianglin WANG, Yi-Wen CHEN, Hong-Jheng JHU, Ning YAN, Bing YU
  • Publication number: 20240205438
    Abstract: An electronic apparatus performs a method of decoding video data, including: receiving, from the video signal, a picture frame that includes a first component, and a second component; determining a classifier for a respective sample of the second component using a set of weighted sample values from a first set of samples of the first component associated with the respective sample of the second component, and a second set of samples of the second component associated with the respective sample of the second component, wherein the first set of samples and the second set of samples are collocated, neighbouring, and current samples relative to the respective sample of the second component; determining a sample offset for the respective sample of the second component according to the classifier; and modifying the respective sample of the second component based on the determined sample offset.
    Type: Application
    Filed: February 7, 2024
    Publication date: June 20, 2024
    Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Che-Wei KUO, Xiaoyu XIU, Wei CHEN, Xianglin WANG, Yi-Wen CHEN, Hong-Jheng JHU, Ning YAN, Bing YU
  • Publication number: 20240199609
    Abstract: The present invention relates to compounds of formula I: in which Y1, Y2, R1, R2 and R3 are defined in the Summary of the Invention; capable of inhibiting the activity of SHP2. The invention further provides a process for the preparation of compounds of the invention, pharmaceutical preparations comprising such compounds and methods of using such compounds and compositions in the management of diseases or disorders associated with the aberrant activity of SHP2.
    Type: Application
    Filed: November 29, 2023
    Publication date: June 20, 2024
    Inventors: Zhuoliang CHEN, Jorge Garcia FORTANET, Rajesh KARKI, Matthew J. LAMARCHE, Dyuti MAJUMDAR, Lawrence Blas PEREZ, Martin SENDZIK, Troy Douglas SMITH, Fan YANG, Bing YU
  • Publication number: 20240205436
    Abstract: A method and an apparatus for hybrid training of neural networks for video coding are provided. The method includes: obtaining, in an offline training stage, an offline trained network by training a neural network offline; and refining, in an online training stage, a plurality of neural network layers with constraint on a plurality of parameters of the plurality of neural network layers, where the plurality of neural network layers may include at least one neural network layer in the offline trained network or in a simple neural network connected to the offline trained network.
    Type: Application
    Filed: January 29, 2024
    Publication date: June 20, 2024
    Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Wei CHEN, Xiaoyu XIU, Yi-Wen CHEN, Hong-Jheng JHU, Che-Wei KUO, Xianglin WANG, Bing YU
  • Publication number: 20240203510
    Abstract: The present application provides an SFGT storage array, a storage chip, and a data-reading method. The SFGT storage array includes a true semi-floating gate array, a reference semi-floating gate array and a sense amplifier. The true semi-floating gate array includes a plurality of true semi-floating gate storage units, a plurality of first bit lines and a plurality of first word lines. Each of the plurality of first bit lines and each of the plurality of first word lines intersect to operate on one of the true semi-floating gate storage units. Each of the plurality of first bit lines is connected to a first input end of the sense amplifier. The reference semi-floating gate array includes a plurality of second bit lines. Each of the plurality of second bit lines is connected to a second input end of the sense amplifier.
    Type: Application
    Filed: February 27, 2024
    Publication date: June 20, 2024
    Inventors: Fujun BAI, Bing YU, Shanzhen ZHAO
  • Patent number: 12015798
    Abstract: An electronic apparatus performs a method of encoding and decoding video data. The method comprises: receiving bitstream encoding a transform block, wherein the transform block includes a non-zero region and a zero-out region; checking whether there is any non-zero coefficient within the zero-out region; in accordance with a determination that there is no non-zero coefficient within the zero-out region of the transform block: determining a scan order index of a last non-zero coefficient of the transform block along a scanning direction; in accordance with a determination that the scan order index of the last non-zero coefficient is greater than a predefined threshold: receiving, from the bitstream, a value for multiple transform selection (MTS) index; and applying respective transforms to transform coefficients of the transform block in both horizontal and vertical directions based on the value of the MTS index.
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: June 18, 2024
    Assignee: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Xiaoyu Xiu, Tsung-Chuan Ma, Yi-Wen Chen, Xianglin Wang, Hong-Jheng Jhu, Bing Yu
  • Publication number: 20240195957
    Abstract: Methods, apparatuses, and non-transitory computer-readable storage mediums are provided for video decoding. In one method, a decoder determines a fusion scheme applied in decoder-side intra mode derivation (DIMD) mode and in template-based intra mode derivation (TIMD) mode, and the fusion scheme is applied as a weighted average of predictors in the DIMD mode and in the TIMD mode.
    Type: Application
    Filed: February 21, 2024
    Publication date: June 13, 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
  • Publication number: 20240195996
    Abstract: An electronic apparatus performs a method of decoding video data, including: receiving, a plurality of frames, each including a first component and a second component; determining, for a first frame, one or more classifiers for the second component respectively from one or more samples of the first component associated with a respective sample of the second component; and when a received syntax element indicates that differential pulse-code modulation (DPCM) is enabled for signalling a first group of differential sample offsets for the second component of a second frame according to the one or more classifiers: determining a second group of sample offsets for the second component of the second frame by adding the first group of differential sample offsets of the second frame to a first group of sample offsets for the second component of the first frame according to the one or more classifiers.
    Type: Application
    Filed: January 26, 2024
    Publication date: June 13, 2024
    Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Che-Wei KUO, Xiaoyu XIU, Wei CHEN, Xianglin WANG, Yi-Wen CHEN, Hong-Jheng JHU, Ning YAN, Bing YU
  • Publication number: 20240196016
    Abstract: Methods, apparatuses, and non-transitory computer-readable storage mediums are provided for video decoding. In one method, a decoder receives a Sequence Parameter Set (SPS) coefficient enabled flag that indicates whether a slice header (SH) coefficient enabled flag is present in slice header syntax structure referring to the SPS. In a second method, the decoder may receive a Sequence Parameter Set (SPS) transform precision adaption enabled flag that indicates whether downshifts in a scaling process for transform coefficients and in a transformation process for scaled transform coefficients are adaptively assigned by examining coefficients values of dequantization and inverse transform.
    Type: Application
    Filed: December 20, 2023
    Publication date: June 13, 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
  • Publication number: 20240180845
    Abstract: A polymeric nanoparticle that has a size of 30-600 nm in outer diameter and contains a polymeric shell, less than 25 nm in thickness and impermeable to water, one or more aqueous cores enclosed by the polymeric shell, and a bioactive agent encapsulated in each of the one or more aqueous cores. Also disclosed are a method of preparing the polymeric nanoparticle and a method of using it for treating a disease.
    Type: Application
    Filed: December 8, 2023
    Publication date: June 6, 2024
    Inventors: Che-Ming Jack Hu, Hui-Wen Chen, Bing-Yu Yao