Patents by Inventor Yi Yan

Yi Yan 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: 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: 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: 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: 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
  • Patent number: 12010685
    Abstract: Disclosed are an information transmission method for a sidelink, and a user equipment and a computer-readable storage medium. The method comprises: detecting a control channel indication sequence at a pre-set position of each time slot; and based on the detected control channel indication sequence, determining, in the time slot where the sequence is located, a time-frequency resource position where a corresponding physical sidelink control channel is located, wherein the control channel indication sequences correspond to the physical sidelink control channels on a one-to-one basis. By applying the solution, an actual time-frequency resource position of a PSCCH can be indicated to a UE in a sidelink of an NR system.
    Type: Grant
    Filed: December 25, 2019
    Date of Patent: June 11, 2024
    Assignee: SPREADTRUM SEMICONDUCTOR (NANJING) CO., LTD.
    Inventors: Yi Yang, Yang Zhang, Wei Yan, Xin Qu
  • Publication number: 20240183250
    Abstract: A system for exploiting natural gas hydrate with downhole gas-liquid synergic depressurization includes a casing configured to form an exploitation well. An upper end of the exploitation well is connected to a produced gas collection pipeline, and the produced gas collection pipeline is configured to be connected to a produced gas recovery system. A perforated channel is distributed in a section of the casing located in a natural gas hydrate reservoir. A tubular string component assembly is mounted in the exploitation well, and includes an outer string, a production tubular string and an auxiliary riser. A first check valve is mounted at the bottom of the outer string, a gas supply pipeline is connected into an upper portion of the outer string, and a flow controller is mounted in the gas supply pipeline. The production tubular string is mounted in the outer string.
    Type: Application
    Filed: October 24, 2022
    Publication date: June 6, 2024
    Applicant: GUANGZHOU INSTITUTE OF ENERGY CONVERSION, CHINESE ACADEMY OF SCIENCES
    Inventors: Xiaosen Li, Xuke Ruan, Zhaoyang Chen, Gang Li, Yu Zhang, Yi Wang, Kefeng Yan, Jiayuan Zhou
  • Publication number: 20240187624
    Abstract: Methods, apparatuses, and non-transitory computer-readable storage mediums are provided for video decoding with template-based intra mode derivation (TIMD), decoder-side intra mode derivation (DIMD), or multi-direction intra prediction (MDIP). 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 an intra prediction coding mode, and the PDPC operations modify results of the one or more intra predictions based on a combination of boundary reference samples.
    Type: Application
    Filed: February 12, 2024
    Publication date: June 6, 2024
    Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Hong-Jheng JHU, Xiaoyu XIU, Yi-Wen CHEN, Wei CHEN, Ning YAN, Xianglin WANG, Bing YU
  • Publication number: 20240179348
    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 selecting a set of candidate transform coefficients from dequantized transform coefficients. The method may include applying a template-based hypothesis generation scheme to select a hypothesis from a plurality of candidate hypotheses for the set of candidate transform coefficients. The method may include determining a combination of sign candidates associated with the selected hypothesis to be a set of predicted signs for the set of candidate transform coefficients. The method may 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. The method may include updating the dequantized transform coefficients based on the estimated original signs for the set of candidate transform coefficients.
    Type: Application
    Filed: February 7, 2024
    Publication date: May 30, 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: 20240170207
    Abstract: A method includes performing a printing process that deposits a magnetic paste onto a first side and into an opening of a laminate; curing the magnetic paste to form a first transformer core piece having a first portion along the first side and a second portion filling the opening of the laminate; joining a second transformer core piece to a side of the second portion of the first transformer core piece to form a transformer. A transformer includes a laminate; a first core piece; and a second core piece, the first core piece comprising: a cured magnetic paste, a first portion along a side of the laminate, and a second portion filling an opening of the laminate, the second core piece extending along a side of the second portion of the first transformer core piece, and the laminate having windings that encircle the opening.
    Type: Application
    Filed: January 30, 2024
    Publication date: May 23, 2024
    Inventors: Yi Yan, Zhemin Zhang, Yuki Sato, Kenji Otake, Vijaylaxmi Khanolkar
  • Publication number: 20240171735
    Abstract: Implementations of the disclosure provide systems and methods for motion compensation prediction. The method may include performing, by a video processor, a geometry partition on a video block of a video frame from a video to obtain a first partition and a second partition. The method may further include applying, by the video processor, a first motion prediction mode to the first partition and a second motion prediction mode to the second partition. At least one of the first motion prediction mode or the second motion prediction mode is an affine motion prediction mode.
    Type: Application
    Filed: January 8, 2024
    Publication date: May 23, 2024
    Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Ning YAN, Xiaoyu XIU, Che-Wei KUO, Wei CHEN, Yi-Wen CHEN, Hong-Jheng Jhu, Xianglin WANG, Bing YU
  • Publication number: 20240159011
    Abstract: An electronic well lid based on electric control travel switch control relates to the technical field of electronic well lids. The electronic well lid based on electric control travel switch control includes a well seat in splined connection with a sliding ring. The sliding ring is provided with a well lid lifting mechanism. A garbage collection mechanism is arranged on the well seat. An arc-shaped groove is formed in the sliding ring. An anti-deviation mechanism is arranged in the arc-shaped groove of the sliding ring. Square grooves are communicated with square holes by way of arrangement of the well lid lifting mechanism and cooperation of first fixing rings and the square grooves. Thus, a drainage speed of the device is increased, pedestrians may continue to pass safely on the well lid in a drainage process of the device, and the protection effect for pedestrians in the drainage process is improved.
    Type: Application
    Filed: July 25, 2023
    Publication date: May 16, 2024
    Inventors: Yanchao LI, Yi YAN, Guoyong LIN, Zhi ZHANG, Yunbo LI
  • Publication number: 20240162453
    Abstract: Provided are a preparation method for and use of a self-assembly-based nitrogen-doped ordered porous precious metal nanomaterial. The preparation method includes: with a pyridine nitrogen-containing amphiphilic block copolymer as a structure-directing agent and a phenolic resin as a template agent, adding a precious metal precursor, inducing self-assembly by means of volatilization of a solvent, and carbonizing in an inert atmosphere to prepare the nitrogen-doped ordered porous precious metal nanomaterial. The regularity, dispersity and uniformity of the precious metal nanomaterial are achieved; the problems of migration and inactivation after agglomeration of precious metal nanoparticles are solved; the lifespan of precious metal particles is prolonged; and in addition, the ORR electro-catalytic property of the material can be improved, and the nitrogen-doped ordered porous precious metal nanomaterial can be used to prepare a cathodic oxygen reduction catalyst for a fuel cell.
    Type: Application
    Filed: March 19, 2021
    Publication date: May 16, 2024
    Applicant: GUANGZHOU INSTITUTE OF ENERGY CONVERSION, CHINESE ACADEMY OF SCIENCES
    Inventors: Zhida WANG, Changfeng YAN, Yi YANG, Zhuoxin LU, Yan SHI, Changqing GUO, Hongyi TAN, Lisha SHEN, Linxiu DENG
  • Publication number: 20240163488
    Abstract: Implementations of the disclosure provide video processing apparatuses and methods. The method receives, by a video processor, a video block of a video for in-loop filtering. The method then performs a wavelet-domain CNN filtering on video data of at least a part of the video block, by performing, by the video processor, a wavelet transform on the video data to obtain data in a wavelet domain comprising a plurality of wavelet subbands; filtering, by the video processor, the data in the wavelet domain by applying respective CNN models on the plurality of wavelet subbands, where the CNN models for the plurality of wavelet subbands are trained in the wavelet domain; and performing, by the video processor, an inverse wavelet transform on the filtered data to obtain reconstructed video data.
    Type: Application
    Filed: January 23, 2024
    Publication date: May 16, 2024
    Applicant: Beijing Dajia Internet Information Technology Co. Ltd.
    Inventors: Ning Yan, Wei Chen, Xiaoyu Xiu, Che-Wei Kuo, Yi-Wen Chen, Hong-Jheng Jhu, Xianglin Wang, Bing Yu
  • Publication number: 20240163454
    Abstract: Methods, apparatuses, and non-transitory computer-readable storage mediums are provided for video coding with multi-direction intra prediction (MDIP). In one method, a decoder determines a blending parameter for the MDIP based a size of a coding unit. In another method, the decoder may determine a size of each coding block, and in response to determining that the size of the coding block is smaller than or equal to a first preset threshold, the decoder may determine that the MDIP mode is disabled for the coding block.
    Type: Application
    Filed: January 19, 2024
    Publication date: May 16, 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: 20240161472
    Abstract: A method, device, and medium are provided for processing an image using a machine learning model that identifies at least one candidate object from an image. The model comprises: a feature extraction model for describing an association between the image and a feature of the at least one candidate object; and a classification scoring model for describing an association between the feature and a classification score of the at least one candidate object. An update parameter associated with the classification scoring model is determined based on the classification score of the at least one candidate object and a ground truth classification score of at least one ground truth object in the image. The classification scoring model is updated based on the update parameter associated with the classification scoring model. The feature extraction model is prevented from being updated with the update parameter associated with the classification scoring model.
    Type: Application
    Filed: October 31, 2023
    Publication date: May 16, 2024
    Inventors: Yi Jiang, Jiannan Wu, Bin Yan, Zehuan Yuan
  • Publication number: 20240155106
    Abstract: Methods and devices are provided for decoding a video block in GPM. The method includes: partitioning the video block into first and second geometric partitions; receiving a first GPM with a motion vector refinement (GPM-MVR) enable flag for the first geometric partition and receiving a second GPM-MVR enable flag for the second geometric partition; receiving a joint template matching (TM) enable flag for the first and second geometric partition that jointly indicates whether a uni-directional motion of the first partition is refined by TM and whether a uni-directional motion of the second partition is refined by the TM; receiving a first merge GPM index for the first geometric partition and a second merge GPM index for the second geometric partition; constructing a uni-directional MV candidate list of the GPM; and generating a uni-directional MV for the first geometric partition and a uni-directional MV for the second geometric partition.
    Type: Application
    Filed: December 20, 2023
    Publication date: May 9, 2024
    Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Xiaoyu XIU, Wei CHEN, Che-Wei KUO, Hong-Jheng JHU, Ning YAN, Yi-Wen CHEN, Xianglin WANG, Bing YU
  • Publication number: 20240155120
    Abstract: Implementations of the disclosure provide video processing systems and methods. The video processing method may include receiving, by one or more processors, a video frame of a video for in-loop filtering. For a target pixel of the video frame, the video processing method may further include selecting, by the one or more processors, a bilateral filtering window to perform the in-loop filtering on the target pixel from a group of candidate filtering windows. The group of candidate filtering windows include a plurality of side filtering windows and a full filtering window. The video processing method may also include filtering, by the one or more processors, the target pixel of the video frame using the selected bilateral filtering window.
    Type: Application
    Filed: December 22, 2023
    Publication date: May 9, 2024
    Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Ning YAN, Xiaoyu Xiu, Che-Wei KUO, Wei CHEN, Yi-Wen Chen, Hong-Jheng Jhu, Xianglin Wang, Bing Yu
  • Publication number: 20240146945
    Abstract: Provided is a method for video decoding including: receiving a control variable enabling adaptive switch between motion vector refinement (MVR) offset sets; receiving an indication variable enabling adaptive switch between codeword tables that binarize offset magnitudes in the MVR offset sets under the coding level; partitioning the video block into a first and a second geometric partition; selecting an MVR offset set based on the control variable; receiving syntax elements to determine a first and second MVR offsets applied to the first and second geometric partitions from the selected MVR offset set; obtaining a first and second MVs from a candidate list for the first and the second geometric partition; calculating a first and second refined MVs based on the first and second MVs and the first and second MVR offsets; and obtaining prediction samples based on the first and second refined MVs.
    Type: Application
    Filed: December 14, 2023
    Publication date: May 2, 2024
    Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Xiaoyu XIU, Wei CHEN, Che-Wei KUO, Hong-Jheng ZHU, Ning YAN, Yi-wen CHEN, Xianglin WANG, Bing YU
  • Publication number: 20240146906
    Abstract: A computer system acquires a video bitstream. The video bitstream includes data associated with multiple encoded pictures. Each encoded picture includes one or more coding units (CUs). While decoding a current CU of a picture in the video bitstream, the current CU having a plurality of reference subblocks located in one or more reference pictures, in accordance with a determination that the plurality of reference subblocks satisfy a first set of predefined conditions for enabling a subblock-based temporal motion vector prediction (SbTMVP) mode, the computer system retrieves, from the video bitstream, syntax elements associated with the SbTMVP mode. The computer system then decodes the current CU using the retrieved syntax elements associated with the SbTMVP mode.
    Type: Application
    Filed: January 5, 2024
    Publication date: May 2, 2024
    Applicant: BEIJING DAJIA INTERNET INFORMATION TECHNOLOGY CO., LTD.
    Inventors: Che-Wei KUO, Xiaoyu XIU, Yi-Wen CHEN, Xianglin WANG, Hong-Jheng JHU, Wei CHEN, Ning YAN, Bing YU
  • Patent number: 11972525
    Abstract: An example operation may include one or more of generating a three-dimensional (3D) model of an object via execution of a machine learning model on one or more images of the object, capturing a plurality of snapshots of the 3D model of the object at different angles to generate a plurality of snapshot images of the object, fusing a feature into each of the plurality of snapshots to generate a plurality of fused snapshots of the 3D model of the object, and storing the plurality of fused snapshots of the 3D model of the object in memory.
    Type: Grant
    Filed: February 21, 2022
    Date of Patent: April 30, 2024
    Assignee: International Business Machines Corporation
    Inventors: Kun Yan Yin, Zhong Fang Yuan, Yi Chen Zhong, Lu Yu, Tong Liu