Patents by Inventor Kai Xu

Kai Xu 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).

  • Virtual machine management method and apparatus, device, and readable storage medium
    Patent number: 11922205
    Abstract: A virtual machine management method and apparatus, a device, and a readable storage medium. The virtual machine management method is applied to a private cloud, and comprises: acquiring a SELinux label, the SELinux label comprising five elements: User, Role, Type, Sensitivity, and Category (S101); setting elements other than Category in the SELinux label as default values (S102); assigning different values to Category according to a preset Category variable combination so as to obtain multiple non-duplicate label groups (S103); and configuring each label group to a virtual machine in the private cloud, so that virtual machines configured with the same label group communicate with each other, and virtual machines configured with different label groups are isolated from each other (S104).
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: March 5, 2024
    Assignee: INSPUR SUZHOU INTELLIGENT TECHNOLOGY CO., LTD.
    Inventors: Kai Liu, Zheng Xu, Yi Fan, Lihua Yan, Wen Huo
  • Frame rate adjustment method, apparatus and device, computer-readable storage medium and computer program product
    Patent number: 11922906
    Abstract: A frame rate adjustment method, apparatus and device, a computer-readable storage medium and a computer program product. The method includes: acquiring running data of a client during running in a foreground when the client in the terminal device supports dynamic frame rate switching; determining a running scenario of the client based on the running data; determining a target running frame rate of the client based on the running scenario; and performing, by the client, image outputting according to the target running frame rate, and triggering an operating system of the terminal device to adjust a refresh rate of a screen according to the target running frame rate.
    Type: Grant
    Filed: September 28, 2022
    Date of Patent: March 5, 2024
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Shili Xu, Kai Hong, Haiyang Wu, Qitian Zhang, Zhuan Liu, Jingjing Chen
  • Condition dependent coding of palette mode usage indication
    Patent number: 11924432
    Abstract: Devices, systems and methods for palette mode coding are described. An exemplary method for video processing includes performing a conversion between a block of a video and a bitstream representation of the video. The bitstream representation is processed according to a format rule that specifies a first indication of usage of a palette mode and a second indication of usage of an intra block copy (IBC) mode are signaled dependent of each other.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: March 5, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD, BYTEDANCE INC.
    Inventors: Weijia Zhu, Li Zhang, Jizheng Xu, Kai Zhang, Hongbin Liu, Yue Wang
  • Constraints on adaptation parameter set syntax elements
    Patent number: 11924418
    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 video and a bitstream of the video according to a format rule. The format rule specifies that a first field at a sequence level or a picture level or a slice level controls a value of a second field in an adaptation parameter set.
    Type: Grant
    Filed: October 3, 2022
    Date of Patent: March 5, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Zhipin Deng, Li Zhang, Ye-Kui Wang, Kai Zhang, Jizheng Xu
  • Supplementary uplink for random access procedures
    Patent number: 11924881
    Abstract: Wireless communications for selecting an uplink carrier for a random access procedure are described. A base station may configure a wireless device with one or more uplink carriers associated with a downlink carrier of a cell. The one or more uplink carriers may comprise at least a normal uplink (NUL) carrier and a supplemental uplink (SUL) carrier. The wireless device may measure one or more downlink reference signals and channel occupancy level(s) of an NUL and/or an SUL. The wireless device may select one of an NUL or an SUL for a random access procedure, for example, based on a signal strength of the one or more downlink reference signals and/or the channel occupancy level(s).
    Type: Grant
    Filed: May 7, 2021
    Date of Patent: March 5, 2024
    Assignee: Comcast Cable Communications, LLC
    Inventors: Hyoungsuk Jeon, Esmael Hejazi Dinan, Alireza Babaei, Hua Zhou, Kai Xu, Kyungmin Park
  • Blending method for inter prediction with geometry partition
    Patent number: 11924421
    Abstract: Devices, systems and methods for digital video coding, which includes using default motion candidates for video coding, are described. An exemplary method for video processing includes determining, for a conversion between a block of a video and a bitstream representation of the video, weights to use for a weighted average of prediction samples along an edge of two partitions of the block. The two partitions are generated according to a geometry partition mode, and the weights are selected from a first weighting factor group that at least one of the weights is equal to 0 or 1. The method also includes performing the conversion based on the determining.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: March 5, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD, BYTEDANCE INC.
    Inventors: Li Zhang, Kai Zhang, Hongbin Liu, Jizheng Xu, Yue Wang
  • Syntax element for chroma residual scaling
    Patent number: 11924472
    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: Grant
    Filed: December 9, 2021
    Date of Patent: March 5, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Zhipin Deng, Li Zhang, Hongbin Liu, Kai Zhang, Jizheng Xu
  • BLENDING METHOD FOR INTER PREDICTION WITH GEOMETRY PARTITION
    Publication number: 20240073417
    Abstract: Devices, systems and methods for digital video coding, which includes using default motion candidates for video coding, are described. An exemplary method for video processing includes determining, for a conversion between a block of a video and a bitstream representation of the video, weights to use for a weighted average of prediction samples along an edge of two partitions of the block. The two partitions are generated according to a geometry partition mode, and the weights are selected from a first weighting factor group that at least one of the weights is equal to 0 or 1. The method also includes performing the conversion based on the determining.
    Type: Application
    Filed: November 2, 2023
    Publication date: February 29, 2024
    Inventors: Li Zhang, Kai Zhang, Hongbin Liu, Jizheng Xu, Yue Wang
  • Transform Skip Residual Coding
    Publication number: 20240073456
    Abstract: Several techniques for video encoding and video decoding are described. One example method includes performing a conversion between a video including a video unit and a bitstream of the video according to a rule. The rule specifies whether a transform skip residual coding operation is enabled for the video unit. One or more syntax elements are included in the bitstream at a video segment level indicative of whether the transform skip residual coding operation is enabled for the video unit.
    Type: Application
    Filed: October 31, 2023
    Publication date: February 29, 2024
    Inventors: Jizheng Xu, Li Zhang, Ye-kui Wang, Kai Zhang, Zhipin Deng
  • Bandwidth Part Switching for Cell
    Publication number: 20240073879
    Abstract: A wireless device receives, from a base station, at least one radio resource control (RRC) message comprising first configuration parameters for a first bandwidth part (BWP) of a first cell, of the base station, that is configured as a serving cell, second configuration parameters of resources of a second cell that is configured as resources of the first BWP of the first cell, and a first time value of a first inactivity timer for the first BWP of the first cell. The wireless device restarts the first inactivity timer for the first BWP of the first cell, in response to communicating a transport block via a configured grant resource of the second cell.
    Type: Application
    Filed: November 9, 2023
    Publication date: February 29, 2024
    Applicant: Ofinno, LLC
    Inventors: Kyungmin Park, Hyoungsuk Jeon, Esmael Hejazi Dinan, Ali Cagatay Cirik, Kai Xu, Jonghyun Park, Hua Zhou, Taehun Kim
  • Cross Component Adaptive Loop Filtering for Video Coding
    Publication number: 20240073419
    Abstract: A method of video processing, including performing a conversion between a video unit of a video and a bitstream of the video according to a rule, wherein the rule specifies that whether a cross-component adaptive loop filter (CC-ALF) mode and an adaptive loop filter (ALF) mode are enabled for coding the video unit are indicated in the bitstream in a mutually independent manner.
    Type: Application
    Filed: October 31, 2023
    Publication date: February 29, 2024
    Inventors: Weijia Zhu, Li Zhang, Jizheng Xu, Kai Zhang, Ye-kui Wang
  • HAND-HELD SURFACE CLEANING DEVICE
    Publication number: 20240065497
    Abstract: In general, the present disclosure is directed to a hand-held surface cleaning device that includes a relatively compact form-factor to allow users to store the same in a nearby location (e.g., in a drawer, in an associated charging dock, on a table top) for easy access to perform relatively small cleaning tasks that would otherwise require retrieving a full-size vacuum from storage. A hand-held surface cleaning device consistent with aspects of the present disclosure includes a body (or body portion) with a motor, power source and dust cup disposed therein. The body portion also functions as a handgrip to allow the hand-held surface cleaning device to be operated by one hand, for example.
    Type: Application
    Filed: November 8, 2023
    Publication date: February 29, 2024
    Inventors: Daniel TONDERYS, Andre D. BROWN, Daniel INNES, Bastin ANTONISAMI, Jason B. THORNE, Kai XU, Heliang CHEN, Adam UDY
  • DEVICES FOR SKIPPING PHYSICAL DOWNLINK CONTROL CHANNEL MONITORING OF BANDWIDTH PART BASED ON DOWNLINK CONTROL INDICATION
    Publication number: 20240073915
    Abstract: A wireless device may be configured to perform a method. The method may include receiving, by the wireless device, configuration parameters indicating duration values for skipping physical downlink control channel (PDCCH) monitoring on a bandwidth part (BWP). The duration values can be from first values in response to the BWP having a first subcarrier spacing (SCS) and second values in response to the BWP having a second SCS, wherein each value of the second values is equal to multiplication of a respective value, of the first values, and a same granularity value. The method may further include receiving a downlink control information (DCI) indicating skipping PDCCH monitoring on the BWP for a time duration based on a duration value of the duration values. The method may additionally include skipping monitoring the PDCCH on the BWP for the time duration based on the DCI.
    Type: Application
    Filed: November 9, 2023
    Publication date: February 29, 2024
    Applicant: Ofinno, LLC
    Inventors: Hua Zhou, Yunjung Yi, Esmael Hejazi Dinan, Ali Cagatay Cirik, Hyoungsuk Jeon, Kai Xu
  • Restriction Of Applicability For Intra Block Copy Mode
    Publication number: 20240073429
    Abstract: A method for video processing includes determining, for a conversion between a current video block of a video and a coded representation of the video, whether an intra block copy (IBC) mode in which a prediction block for the current video block is calculated based on a block vector in a picture that includes current video block is enabled based on a rule on a block dimension; and performing the conversion based on the determining.
    Type: Application
    Filed: November 7, 2023
    Publication date: February 29, 2024
    Inventors: Hongbin Liu, Li Zhang, Kai Zhang, Jizheng Xu, Yue Wang
  • INTERPLAY BETWEEN IN-LOOP FILTERING AND VIDEO TILES
    Publication number: 20240073457
    Abstract: Methods, apparatus and systems for processing video are described. One example method includes performing a conversion between a video comprising a video unit and a bitstream of the video, wherein the bitstream conforms to a format rule, and wherein the format rule specifies that a first syntax element indicating whether an in-loop filtering operation is performed across tile boundaries is selectively included in the bitstream responsive to whether or how the video unit is partitioned into tiles.
    Type: Application
    Filed: November 1, 2023
    Publication date: February 29, 2024
    Inventors: Kai Zhang, Li Zhang, Yang Wang, Ye-kui Wang, Zhipin Deng, Jizheng Xu, Hongbin Liu
  • Radio Resource Allocation for Access Link
    Publication number: 20240073917
    Abstract: Wireless communication techniques are described. An access node/device may transmit, to another access node/device, data corresponding to a wireless device. The access node/device may transmit the data along with downlink resource information indicating a radio resource. The other access node/device may use the radio resource to transmit the data to the wireless device. The access node/device may transmit one or more preemption indications to one or more other communication devices to preempt any other transmissions in the radio resource.
    Type: Application
    Filed: October 16, 2023
    Publication date: February 29, 2024
    Inventors: Kyungmin Park, Esmael Hejazi Dinan, Hua Zhou, Alireza Babaei, Hyoungsuk Jeon, Ali Cagatay Cirik, Kai Xu
  • Palette mode for local dual tree
    Patent number: 11917169
    Abstract: Video processing methods, systems and apparatus are described. One example method includes performing a conversion between a video block of a video and a bitstream of the video using a palette mode in which samples of the video block are represented using a palette of representative color values. A size of the palette of the video block is determined based on whether a local dual tree is applied for the conversion.
    Type: Grant
    Filed: August 5, 2022
    Date of Patent: February 27, 2024
    Assignees: BEIJING BYTEDANCE NEWTORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Jizheng Xu, Li Zhang, Ye-kui Wang, Kai Zhang, Weijia Zhu, Yue Wang, Yang Wang, Hongbin Liu
  • Signaling of slice and tile picture partitions
    Patent number: 11917211
    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 including a video picture including a video tile including one or more slices and a bitstream of the video according to a rule. The rule specifies that a second slice in a tile that includes a first slice in a picture has a height that is represented in a unit of coding tree units. The first slice has a first slice index, and the second slice has a second slice index that is determined based on the first slice index and a number of explicitly provided slice heights in the video tile. The height of the second slice is determined based on the first slice index and the second slice index.
    Type: Grant
    Filed: August 22, 2022
    Date of Patent: February 27, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Kai Zhang, Li Zhang, Ye-Kui Wang, Zhipin Deng, Kui Fan, Jizheng Xu, Hongbin Liu
  • Extensions of intra coding modes in video coding
    Patent number: 11917197
    Abstract: Extensions of intra coding modes in video coding are described. One example is a method for video processing, comprising: generating, for a conversion between a current video block of a video and a bitstream representation of a video, a set of extended intra prediction modes (IPMs) associated with the current video block by revising a set of existing IPMs to include at least one new coding method, wherein the new coding method is different from coding methods in the existing IPMs and is to be treated as IPM; and performing the conversion based on the set of extended IPMs.
    Type: Grant
    Filed: February 25, 2022
    Date of Patent: February 27, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD, BYTEDANCE INC.
    Inventors: Weijia Zhu, Li Zhang, Jizheng Xu, Kai Zhang, Hongbin Liu, Yue Wang
  • Refrigerator
    Patent number: D1016865
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: March 5, 2024
    Assignee: BSH Hausgeraete GmbH
    Inventors: Ingo Heidenfelder, Chenli Hu, Andreas Kessler, Andreas Korte, Dawei Mi, Ralph Staud, Thomas Tischer, Kai Wang, Fenglin Xu