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).

  • Patent number: 11309520
    Abstract: An encapsulation structure includes a first inorganic layer, a first organic layer and a second inorganic layer, all of which are sequentially stacked in a thickness direction of the encapsulation structure. At least one of the first inorganic layer or the second inorganic layer is a crack-resistant layer.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: April 19, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tingliang Liu, Yunsheng Xiao, Xiangdan Dong, Yue Long, Kai Zhang, Yonglin Guo, Hongwei Ma
  • Patent number: 11310508
    Abstract: A method of video processing is provided to include: performing a conversion between one or more video blocks of a video and a coded representation of the video, wherein a first field in the coded representation indicates whether fractional sample precision is used for indicating motion distances in a merge with motion vector difference (MMVD) mode used during the conversion, and wherein the MMVD mode includes a motion vector expression that includes a starting point, a motion distance and a motion direction for the current video block.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: April 19, 2022
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Hongbin Liu, Li Zhang, Kai Zhang, Jizheng Xu, Yue Wang
  • Publication number: 20220116865
    Abstract: This application relates to the field of communications, and provides an information configuration method to configure an association relationship between an AMF group and network slice information for an NSSF, a default AMF, or an NRF, so that the NSSF, the default AMF, or the NRF can select an AMF group meeting a service requirement. The method includes: determining, by a first management unit, an association relationship between information about an AMF group and network slice information, where the association relationship is used to instruct to select the network slice information based on the information about the AMF group or select the information about the AMF group based on the network slice information; and sending, by the first management unit, the association relationship to a first network unit or a management unit of a first network unit; or storing, by the first management unit, the association relationship.
    Type: Application
    Filed: December 22, 2021
    Publication date: April 14, 2022
    Inventors: Xiaoqian JIA, Ruiyue XU, Kai ZHANG
  • Publication number: 20220116592
    Abstract: A method of video processing includes constructing, for a conversion between a current block of a current picture of a video and a bitstream representation of the video, a list of motion candidates for a coding technique applicable to the current block in which history-based motion candidates derived according to information from previously processed blocks of the video. The codingtechniqueusesreferencesamplesfromthecurrentpictureofthecurrentblockforpredicting at least a portion of the current block. The method also includes performing the conversion based on the determining.
    Type: Application
    Filed: December 21, 2021
    Publication date: April 14, 2022
    Inventors: Li ZHANG, Kai ZHANG, Hongbin LIU, Yue WANG
  • Publication number: 20220116650
    Abstract: One example method of video processing includes implementing, by a processor, a decoder-side motion vector derivation (DMVD) scheme for motion vector refinement during a conversion between a current video block and a bitstream representation of the current video block by deriving parameters based on a deriving rule. The conversion may include compressing the current video block into the bitstream representation or uncompressing the bitstream representation into pixel values of the current video block.
    Type: Application
    Filed: December 21, 2021
    Publication date: April 14, 2022
    Inventors: Hongbin LIU, Li ZHANG, Kai ZHANG, Jizheng XU, Yue WANG
  • Publication number: 20220116596
    Abstract: A method of video processing includes determining, for a conversion between a block of a video and a bitstream representation of the video, whether a sample of the block is positioned within a distance from a boundary of the block to be a boundary sample for a filtering process according to a rule associated with a component identity of the block. The method also includes performing the conversion based on the determining.
    Type: Application
    Filed: December 10, 2021
    Publication date: April 14, 2022
    Inventors: Li ZHANG, Kai ZHANG, Hongbin LIU, Yue WANG
  • Patent number: 11303921
    Abstract: A method for video processing is provided to include performing, for a conversion between a current video block of a video and a coded representation of the video, a motion information refinement process based on samples in a first domain or a second domain; and performing the conversion based on a result of the motion information refinement process, wherein, during the conversion, the samples are obtained for the current video block from a first prediction block in the first domain using an unrefined motion information, at least a second prediction block is generated in the second domain using a refined motion information used for determining a reconstruction block, and reconstructed samples of the current video block are generated based on the at least the second prediction block.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: April 12, 2022
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Li Zhang, Kai Zhang, Hongbin Liu, Jizheng Xu, Yue Wang
  • Patent number: 11303899
    Abstract: Devices, systems and methods for digital video coding, which includes matrix-based intra prediction methods for video coding, are described. In a representative aspect, a method for video processing includes performing a conversion between a current video block of a video and a bitstream representation of the current video block using a matrix based intra prediction (MIP) mode in which a prediction block of the current video block is determined by performing, on previously coded samples of the video, a boundary downsampling operation, followed by a matrix vector multiplication operation, and selectively followed by an upsampling operation, where the performing the conversion includes deriving, according to a rule, boundary samples by applying a left bit shift operation or a right bit shift operation on a sum of at least one reference boundary sample, and where the rule determines whether to apply the left bit shift or the right bit shift operation.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: April 12, 2022
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Zhipin Deng, Kai Zhang, Li Zhang, Hongbin Liu, Jizheng Xu
  • Patent number: 11303907
    Abstract: Techniques for implementing video processing techniques are described. In one example implementation, a method of video processing includes determining, for a conversion between a current block of a video coded using a combined inter and intra prediction (CIIP) coding technique and a bitstream representation of the video, an intra-prediction mode of the current block independently from an intra-prediction mode of a neighboring block. The CIIP coding technique uses an intermedia inter prediction value and an intermedia intra prediction value to derive a final prediction value of the current block. The method also includes performing the conversion based on the determining.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: April 12, 2022
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Kai Zhang, Li Zhang, Hongbin Liu, Jizheng Xu, Yue Wang
  • Patent number: 11303894
    Abstract: Devices, systems and methods for temporal prediction of parameters in non-linear adaptive loop filtering are described. In an exemplary aspect, a method for visual media processing includes configuring, for a current video block, one or more parameters of a clipping operation that is part of a non-linear filtering operation; and performing, based on the one or more parameters, a conversion between the current video block and a bitstream representation of the current video block, wherein the one or more parameters is coded in accordance with a rule.
    Type: Grant
    Filed: August 3, 2021
    Date of Patent: April 12, 2022
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Li Zhang, Kai Zhang, Hongbin Liu, Yue Wang
  • Patent number: 11304060
    Abstract: A network resource deployment method relate to the field of communications technologies. The network resource deployment method includes: A first device receives a target network management request; then determines requirement information of a to-be-deployed network resource required for managing a target network; and finally sends a network resource management request to a second device. After receiving the network resource management request, the second device deploys the to-be-deployed network resource. The target network management request includes target network requirement information. The requirement information of the to-be-deployed network resource includes at least one of air interface resource requirement information, user quantity requirement information, throughput requirement information, coverage requirement information, radio bearer RB requirement information, base station requirement information, network element device requirement information, and network function requirement information.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: April 12, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Ruiyue Xu, Kai Zhang, Yan Li
  • Publication number: 20220109852
    Abstract: Interaction between screen content coding tools and motion information is disclosed. A method of video processing includes modifying, for a conversion between a block of a video and a bitstream representation of the block, at least one of motion information associated with the block which is coded with intra block copy (IBC) mode; and performing the conversion based on the modified motion information.
    Type: Application
    Filed: December 15, 2021
    Publication date: April 7, 2022
    Inventors: Jizheng XU, Li ZHANG, Weijia ZHU, Kai ZHANG, Hongbin LIU
  • Publication number: 20220109827
    Abstract: A video processing method includes determining, for a conversion between a current video block of a video including multiple video blocks and a coded representation of the video, and from types of reference pictures used for the conversion, applicability of a coding tool to the current video block and performing the conversion based on the determining. The method may be performed by a video decoder or a video encoder or a video transcoder.
    Type: Application
    Filed: December 9, 2021
    Publication date: April 7, 2022
    Inventors: Na ZHANG, Hongbin LIU, Li ZHANG, Kai ZHANG, Yue WANG
  • Publication number: 20220109845
    Abstract: Restrictions on number of context coded bins are described. A method for video processing includes applying, for a conversion between a video and a bitstream representation of the video, control on maximum number of context coded bins per predetermined unit which is associated with the video; and performing the conversion based on the control.
    Type: Application
    Filed: December 17, 2021
    Publication date: April 7, 2022
    Inventors: Li ZHANG, Jizheng XU, Kai ZHANG, Hongbin LIU, Weijia ZHU
  • Publication number: 20220109868
    Abstract: Devices, systems and methods for digital video coding, which include sub-block based inter prediction methods, are described. An exemplary method for video processing includes determining, for a conversion between a current block of video and a bitstream representation of the video, a maximum number of candidates in a sub-block based merge candidate list and/or whether to add sub-block based temporal motion vector prediction (SbTMVP) candidates to the sub-block based merge candidate list based on whether temporal motion vector prediction (TMVP) is enabled for use during the conversion or whether a current picture referencing (CPR) coding mode is used for the conversion, and performing, based on the determining, the conversion.
    Type: Application
    Filed: December 17, 2021
    Publication date: April 7, 2022
    Inventors: Kai ZHANG, Li ZHANG, Hongbin LIU, Jizheng XU, Yue WANG
  • Publication number: 20220109876
    Abstract: A video processing method includes determining, for a conversion between a block of a video and a bitstream representation of the video, that an output value from an inverse secondary transform with a reduced dimension (e.g., an inverse low frequency non-separable transform) is constrained within a range of [min, max] inclusively. The inverse secondary transform is applicable to the block between a de-quantization step and an inverse primary transform. The reduced dimension is reduced from a dimension of the block, and min and max are integer values. The method also includes performing the conversion based on the determining.
    Type: Application
    Filed: August 19, 2021
    Publication date: April 7, 2022
    Inventors: Kai ZHANG, Li ZHANG, Hongbin LIU, Jizheng XU, Yue WANG
  • Publication number: 20220109885
    Abstract: A method for visual media processing includes processing a bitstream representation for a conversion between a current video block in a video region of a visual media data and the bitstream representation. The bitstream representation is based on a rule that specifies that one or more syntax elements used in a luma-dependent chroma residual scaling step are selectively included in the bitstream representation. The luma-dependent chroma residual scaling step includes scaling chroma samples based on neighboring reconstructed luma samples during the conversion. The one or more syntax elements are usable to derive a chroma residual scaling factor used for the scaling.
    Type: Application
    Filed: December 9, 2021
    Publication date: April 7, 2022
    Inventors: Zhipin DENG, Li ZHANG, Hongbin LIU, Kai ZHANG, Jizheng XU
  • Publication number: 20220109890
    Abstract: Methods, systems, apparatus for media processing are described. One example method of digital media processing includes determining, for a conversion between visual media data and a bitstream of the visual media data, how to apply one or more convolutional neural network filters to at least some samples of a video unit of the visual media data according to a rule; and performing the conversion based on the determining.
    Type: Application
    Filed: September 28, 2021
    Publication date: April 7, 2022
    Inventors: Yue LI, Li ZHANG, Kai ZHANG
  • Patent number: 11296957
    Abstract: A network slice template management method includes: receiving, by a first management unit, a subnet management request, where the subnet management request carries indication information of a subnet template; obtaining, by the first management unit, network service descriptor association information or a network service descriptor based on the indication information of the subnet template; and obtaining, by the first management unit, a network service instance based on the network service descriptor association information or the network service descriptor.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: April 5, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Ruiyue Xu, Kai Zhang
  • Patent number: 11296945
    Abstract: A management method and apparatus are provided. The method includes: obtaining, by a second management unit, affinity information. The affinity information is used to configure affinity and/or anti-affinity between a target object and another object, or is used to configure affinity and/or anti-affinity between a child object of the target object and another object. The method further includes sending, by the second management unit, a management request of the target object to a first management unit. The management request carries the affinity information. The method further includes managing, by the first management unit, the target object according to the affinity information, after receiving the management request of the target object and sent by the second management unit.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: April 5, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Ruiyue Xu, Kai Zhang