Patents by Inventor Kai Zhang

Kai Zhang 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: 20240155111
    Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: constructing, during a conversion between a target block of a video and a bitstream of the target block, a motion candidate list for a target block which is coded with a geometric partitioning mode (GPM), the candidate list comprising one or more candidates; processing the candidate list before applying the candidate list, each candidate in the processed candidate list having a coded candidate index; and performing the conversion using the processed candidate list.
    Type: Application
    Filed: January 12, 2024
    Publication date: May 9, 2024
    Inventors: Na ZHANG, Zhipin DENG, Li ZHANG, Kai ZHANG
  • Publication number: 20240155130
    Abstract: Systems, methods and apparatus for video processing are described. The video processing may include video encoding, video decoding or video transcoding. One example method of video processing includes performing a conversion between a block of a video and a bitstream of the video according to a rule. The conversion is based on an adaptive motion vector difference resolution (AMVR) tool, and the rule specifies that selection of a context for a first bin within a bin string of a first syntax element that specifies the resolution of the motion vector difference associated with an AMVR shift is derived based on usage of a coding mode for the block.
    Type: Application
    Filed: November 7, 2023
    Publication date: May 9, 2024
    Inventors: Yang Wang, Li Zhang, Zhipin Deng, Kai Zhang, Hongbin Liu
  • Publication number: 20240154063
    Abstract: The present disclosure provides a semiconductor structure and a manufacturing method thereof. The semiconductor structure includes: a silicon substrate having several through-silicon-vias therein; a first semiconductor layer located in each through-silicon-via and on the silicon substrate, an active layer located on the first semiconductor layer, and a second semiconductor layer located on the active layer, where a conductivity type of the second semiconductor layer is opposite to that of the first semiconductor layer, a material of the first semiconductor layer a group III nitride, a material of the active layer a group III nitride, and a material of the second semiconductor layer include a group III nitride.
    Type: Application
    Filed: April 15, 2021
    Publication date: May 9, 2024
    Applicant: ENKRIS SEMICONDUCTOR, INC.
    Inventors: Kai CHENG, Liyang ZHANG
  • Publication number: 20240155149
    Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: determining, during a conversion between a target block of a video and a bitstream of the target block, a coding mode applied to the target block; in response to the coding mode being a geometric partitioning mode (GPM), reordering a plurality of motion candidates; and performing the conversion using the reordered plurality of motion candidates.
    Type: Application
    Filed: January 13, 2024
    Publication date: May 9, 2024
    Inventors: Na ZHANG, Zhipin DENG, Li ZHANG, Kai ZHANG
  • Publication number: 20240154021
    Abstract: A p-GaN high-electron-mobility transistor (HEMT) includes a buffer layer stacked on a substrate, a channel layer stacked on the buffer layer, a supply layer stacked on the channel layer, a doped layer stacked on the supply layer, and a hydrogen barrier layer covering the supply layer and the doped layer. A source and a drain are electrically connected to the channel layer and the supply layer, respectively. A gate is located on the doped layer. The hydrogen barrier layer is doped with fluorine.
    Type: Application
    Filed: December 29, 2022
    Publication date: May 9, 2024
    Inventors: TING-CHANG CHANG, Wei-Chen Huang, Shih-Kai Lin, Yong-Ci Zhang, Sheng-Yao Chou, Chung-Wei Wu, Po-Hsun Chen
  • Publication number: 20240155109
    Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: determining, during a conversion between a target video block of a video and a bitstream of the video, a plurality of partitions of the target video block, the target video block being coded by a hybrid prediction tool, the hybrid prediction tool being used for determining a target prediction for the target video block based on a plurality of candidate predictions of the target video block; and performing the conversion between the target video block and the bitstream.
    Type: Application
    Filed: January 8, 2024
    Publication date: May 9, 2024
    Inventors: Zhipin DENG, Kai Zhang, Li Zhang
  • Publication number: 20240153428
    Abstract: A pixel circuit and a driving method therefor, a display substrate, and a display apparatus. The pixel circuit includes a driving sub circuit, a data writing sub circuit, a first light-emitting control sub circuit, a first reset sub circuit, and a bias sub circuit; the first reset sub circuit is connected to a first node and configured to write a first reset voltage to the first node in response to a first reset control signal; and the bias sub circuit is connected to a second node and configured to write a reference voltage to the second node in response to a bias control signal, thereby turning on the driving sub circuit.
    Type: Application
    Filed: July 8, 2022
    Publication date: May 9, 2024
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Xinyu Wei, Kai Zhang, Qiang Fu, Gang Wang, Erlong Song, Hongmei Fan, Kunyan Shi
  • Publication number: 20240153247
    Abstract: Automatic data generation includes extracting latent features from an input image, adding a perturbation to the latent features, applying the perturbed latent features to a pre-trained generative model, and training an image generator with images output from the generative model.
    Type: Application
    Filed: November 9, 2022
    Publication date: May 9, 2024
    Inventors: Yifan Zhang, Daquan Zhou, Kai Wang, Jiashi Feng
  • Publication number: 20240155129
    Abstract: A video processing method includes determining, for a conversion between a block of a video and a bitstream representation of the video, a manner in which information for a Matrix-based Intra Prediction (MIP) coding technique is coded in the bitstream representation. A prediction block of the block is determined using the MIP coding technique based on performing a matrix vector multiplication operation on previously coded samples of the video. The method also includes performing the conversion based on the determining.
    Type: Application
    Filed: December 14, 2023
    Publication date: May 9, 2024
    Inventors: Li Zhang, Kai Zhang, Hongbin Liu, Yue Wang
  • Publication number: 20240150424
    Abstract: A directed chemical conjugate of a glucagon-like peptide-2 mutant, and a use thereof are provided. The glucagon-like peptide-2 mutant is based on the human glucagon-like peptide-2 through multiple site mutations and carboxy terminus extensions. By introducing a targeted chemical modification site, the glucagon-like peptide-2 mutant has biological activities consistent with the natural human glucagon-like peptide-2, and meanwhile, the half-life period in vivo is significantly prolonged, and the administration frequency is reduced, thereby achieving the purpose of treating or preventing short intestinal syndrome, intestinal mucosa injury caused by chemotherapy medicaments or radioactive treatment factors, ulcerative enteritis, chronic enteritis and non-inflammatory bowel injury disease.
    Type: Application
    Filed: January 19, 2024
    Publication date: May 9, 2024
    Applicant: PEG-BIO BIOPHARM CO.,LTD.(CHONGQING)
    Inventors: Kai FAN, Yongliang PENG, Qing CHEN, Qi ZHANG, Yong HE, Xiaolan QIN, Jie SU, Xin MEI, Wenjie ZHAO
  • Patent number: 11979557
    Abstract: Devices, systems and methods for video processing are described. An example method for video processing includes determining, for a conversion between a current block of a video and a bitstream representation of the video, a number of intra-coded neighboring blocks of the current block for a combined inter and intra prediction mode according to a rule that specifies a manner of treating a block coded using a palette coding mode in counting the number of intra-coded neighboring blocks for the combined inter and intra prediction mode. The method also includes performing the conversion based on the determining.
    Type: Grant
    Filed: January 27, 2022
    Date of Patent: May 7, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Weijia Zhu, Li Zhang, Jizheng Xu, Kai Zhang, Hongbin Liu, Yue Wang
  • Patent number: 11979558
    Abstract: A method of video processing includes performing a conversion between a video unit of a video and a coded representation of the video using at least a video picture. Only one of a sub-picture coding mode or a resolution-changing coding mode is enabled for the video unit. The sub-picture coding mode is a mode in which the video picture is divided into multiple sub-pictures, and the resolution-changing coding mode is a mode in which a resolution of the video picture is adjusted during the conversion.
    Type: Grant
    Filed: February 4, 2022
    Date of Patent: May 7, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Kai Zhang, Zhipin Deng, Hongbin Liu, Li Zhang, Jizheng Xu
  • Patent number: 11979567
    Abstract: A method for video processing is described. The method includes determining, for a conversion between a video unit of a video and a bitstream representation of the video, whether to enable a mirrored padding process for padding an unavailable luma sample during an application of a loop filtering tool to the video unit; and performing the conversion based on the determining.
    Type: Grant
    Filed: November 7, 2022
    Date of Patent: May 7, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Yang Wang, Li Zhang, Hongbin Liu, Kai Zhang, Zhipin Deng, Yue Wang
  • Patent number: 11979591
    Abstract: A method implemented by a video coding apparatus includes applying a neural network (NN) filter to an unfiltered sample of a video unit to generate a filtered sample, wherein the NN filter is based on an NN filter model generated using a quality-level indicator (QI) input. The method also includes converting between a video media file and a bitstream based on the filtered sample that was generated.
    Type: Grant
    Filed: April 5, 2022
    Date of Patent: May 7, 2024
    Inventors: Yue Li, Li Zhang, Kai Zhang
  • Publication number: 20240142701
    Abstract: The present application discloses an optical waveguide structure, comprising: a lower cladding layer composed of a first dielectric layer; and a core layer which is composed of a patterned structure of a second material layer and presents a strip structure. A first trench is formed in a top region of the core layer. An upper cladding layer fully fills the first trench, extends to a top surface of the core layer outside the first trench, and coats side faces of the core layer in a width direction of the core layer. A refractive index of the second material layer is greater than a refractive index of the first dielectric layer, and the refractive index of the second material layer is greater than a refractive index of the upper cladding layer. The present application also provides a method for manufacturing an optical waveguide structure.
    Type: Application
    Filed: May 19, 2023
    Publication date: May 2, 2024
    Applicant: Shanghai Huali Microelectronics Corporation
    Inventors: Kai Guo, Keqiang He, Lei Zhang, Haoyu Chen
  • Publication number: 20240146907
    Abstract: Embodiments of the present disclosure provide a method for video processing. The method comprises: determining, during a conversion between a current video block of a video and a bitstream of the video, a geometric partition mode (GPM) partition index for the current video block, the GPM partition index being absent from the bitstream; and performing the conversion based on the GPM partition index. Compared with conventional solutions, the proposed method can advantageously reduce the coding bits while maintaining the coding quality.
    Type: Application
    Filed: January 8, 2024
    Publication date: May 2, 2024
    Inventors: Zhipin DENG, Kai ZHANG, Li ZHANG
  • Publication number: 20240146908
    Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: determining, during a conversion between a target video block of a video and a bitstream of the video, a cost metric for a target motion candidate for the target video block at least based on a matching cost of the target motion candidate; and performing the conversion based on a comparison of the cost metric and a further matching cost for the target video block. Compared with the conventional solution, the proposed method can advantageously improve the coding effectiveness and coding efficiency.
    Type: Application
    Filed: December 13, 2023
    Publication date: May 2, 2024
    Inventors: Na Zhang, Kai Zhang, Li Zhang
  • Publication number: 20240146927
    Abstract: Techniques for video processing, including video coding, video decoding and video transcoding are described. One example method includes performing a conversion between a video picture that includes one or more tiles and one or more rectangular slices and a bitstream of the video according to a rule. The rule specifies that, for iteratively determining information about the one or more rectangular slices, a variable indicating a tile index is updated only for slices having indices that are smaller than a value equal to a number of slices in the video picture minus 1.
    Type: Application
    Filed: November 27, 2023
    Publication date: May 2, 2024
    Inventors: Kai ZHANG, Li Zhang, Ye-Kui Wang, Zhipin Deng, Kui Fan, Jizheng Xu, Hongbin Liu
  • Publication number: 20240146973
    Abstract: Methods, systems and apparatus for video processing are described. One example video processing method includes performing a conversion between a video including a video region and a bitstream of the video according to a rule, wherein the rule specifies that an adaptive loop filtering operation is allowed for the video region in response to an absence of one or more adaptation parameter set (APS) network abstraction layer (NAL) units that include adaptive loop filtering data.
    Type: Application
    Filed: December 1, 2023
    Publication date: May 2, 2024
    Inventors: Zhipin DENG, Ye-Kui WANG, Li ZHANG, Kai ZHANG
  • Publication number: 20240145626
    Abstract: The present application discloses a semiconductor structure including: a base, the base being made of an amorphous material and including at least one trench; a monocrystalline layer, at least part of the monocrystalline layer being provided in the trench; and an epitaxial structure layer, located on the side of the monocrystalline layer away from the base. The semiconductor structure disclosed in the present application includes the monocrystalline layer formed in the at least one trench of the base, and an amorphous material with a thermal expansion coefficient similar to that of the monocrystalline layer is selected as the base, which can relieve the tensile stress generated by the monocrystalline layer during the epitaxial process. At the same time, the epitaxial structure layer is grown on an independent monocrystalline layer, and the size is small, which alleviates the problem of semiconductor film cracking on the large-size substrate.
    Type: Application
    Filed: May 17, 2023
    Publication date: May 2, 2024
    Applicant: ENKRIS SEMICONDUCTOR, INC.
    Inventors: Liyang Zhang, Kai Cheng