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: 20240137498
    Abstract: A mechanism for processing video data implemented by a video coding apparatus is disclosed. The mechanism determines to apply a prediction splitting tree to a prediction tree unit (PTU). The prediction splitting tree includes a leaf prediction unit (PU). A prediction mode is selected for the leaf PU based on whether the leaf PU is split from the PTU. The method performs a conversion between a visual media data and a bitstream based on the leaf PU.
    Type: Application
    Filed: December 27, 2023
    Publication date: April 25, 2024
    Inventors: Kai Zhang, Li Zhang, Zhipin Deng, Na Zhang, Yang Wang
  • Publication number: 20240137570
    Abstract: Methods, systems, apparatuses for video processing are described. A method for processing video includes performing a conversion between a video and a bitstream of the video according to a format rule, and wherein the format rule specifies to include, in a general constraint syntax structure associated with the video, one or more general constraint flags indicating whether corresponding syntax elements are included in a sequence parameter set (SPS) and/or a picture parameter set (PPS) and/or a picture header (PH) and/or a slice header (SH) or to constrain values of the syntax elements in the SPS and/or the PPS and/or the PH and/or the SH.
    Type: Application
    Filed: November 27, 2023
    Publication date: April 25, 2024
    Inventors: Zhipin Deng, Ye-kui Wang, Li Zhang, Kai Zhang, Kui Fan
  • Publication number: 20240137571
    Abstract: Methods, systems, apparatus for video processing are described. The processing may include encoding, decoding or transcoding. One example video processing method includes performing a conversion between a video including one or more pictures and a bitstream of the video according to a format rule. The format rule specifies to include, in a general constrain syntax structure, a syntax element indicating whether each picture includes only one slice, and whether a picture header syntax structure is present in a slice header.
    Type: Application
    Filed: November 27, 2023
    Publication date: April 25, 2024
    Inventors: Zhipin Deng, Ye-kui Wang, Li Zhang, Kai Zhang, Kui Fan
  • Publication number: 20240137577
    Abstract: A method of processing video data. The method includes applying a super resolution (SR) process to a video unit at a level of an SR unit, where the SR unit includes more than one pixel of the video unit, and performing a conversion between a video comprising the video unit and a bitstream of the video based on the SR process as applied. A corresponding video coding apparatus and non-transitory computer-readable recording medium are also disclosed.
    Type: Application
    Filed: December 28, 2023
    Publication date: April 25, 2024
    Inventors: Chaoyi Lin, Yue Li, Kai Zhang, Zhaobin Zhang, Li Zhang
  • Publication number: 20240136617
    Abstract: For manufacturing a Zn-air battery, a semi-liquid hydrogel including a polymer component comprising an irradiation activatable crosslinking initiator, and including an electrolyte component is deposited on a zinc anode. At least parts of the semi-liquid hydrogel are irradiated to activate the irradiation activatable crosslinking initiator for crosslinking the polymer component such as to transform the semi-liquid hydrogel into a drop-free yet sticky hydrogel. An air cathode is stuck to the drop-free yet sticky hydrogel.
    Type: Application
    Filed: December 8, 2023
    Publication date: April 25, 2024
    Inventors: Hua Zhang, Kai Zhang, Minshen Zhu, Oliver G. Schmidt
  • Publication number: 20240137519
    Abstract: A method of processing video data. The method includes down-sampling a video unit of a video prior to application of a super resolution (SR) process and performing a conversion between the video including the video unit and a bitstream of the video based on the video unit as down-sampled. A corresponding video coding apparatus and non-transitory computer-readable recording medium are also disclosed.
    Type: Application
    Filed: December 29, 2023
    Publication date: April 25, 2024
    Inventors: Chaoyi Lin, Yue Li, Kai Zhang, Zhaobin Zhang, Li Zhang
  • Publication number: 20240137556
    Abstract: A device for video decoding can be configured to obtain, from a syntax structure in a bitstream comprising an encoded representation of the video data, a syntax element indicating whether 6-parameter affine prediction is enabled for blocks corresponding to the syntax structure, wherein the blocks corresponding to the syntax structure comprise a first block; based on the syntax element indicating that the 6-parameter affine prediction is enabled for the blocks corresponding to the syntax structure, use the 6-parameter affine prediction to generate a predictive block for the first block; and use the predictive block and residual data to reconstruct the first block.
    Type: Application
    Filed: December 8, 2023
    Publication date: April 25, 2024
    Inventors: Kai Zhang, Jianle Chen, Xin Zhao, Marta Karczewicz
  • Publication number: 20240137574
    Abstract: A mechanism for processing video data is disclosed. The mechanism determines to classify picture data into groups based on statistical information related to the picture data and apply a bilateral filter to filter samples in each of the groups. A conversion is performed between a visual media data and a bitstream based on the bilateral filter.
    Type: Application
    Filed: December 23, 2023
    Publication date: April 25, 2024
    Inventors: Wenbin Yin, Kai Zhang, Li Zhang
  • Publication number: 20240135872
    Abstract: In the pixel circuit, the data writing-in circuit is configured to control to connect the data line and the second terminal of the driving circuit under the control of a first scanning signal provided by the first scanning line; the compensation control circuit is configured to control to connect the first terminal of the driving circuit and the connection node under the control of a second scanning signal provided by the second scanning line; the first control circuit is configured to control to connect the control terminal of the driving circuit and the connection node under the control of the first scanning signal.
    Type: Application
    Filed: July 12, 2022
    Publication date: April 25, 2024
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Gang WANG, Kai ZHANG, Xinyu WEI, Qiang FU, Xingrui CAI
  • Publication number: 20240137513
    Abstract: A method of processing video data. The method includes applying different super resolution (SR) processes to different sub-regions of a video unit, and performing a conversion between a video including the different regions of the video unit and a bitstream of the video based on the different SR processes as applied. A corresponding video coding apparatus and non-transitory computer-readable recording medium are also disclosed.
    Type: Application
    Filed: December 29, 2023
    Publication date: April 25, 2024
    Inventors: Chaoyi Lin, Yue Li, Kai Zhang, Zhaobin Zhang, Li Zhang
  • Publication number: 20240135885
    Abstract: The present disclosure provides a pixel driving circuit and a display panel. The pixel drive circuit includes: a data writing sub-circuit, a threshold compensation sub-circuit, a driving sub-circuit and a storage sub-circuit, the data writing sub-circuit includes a fourth transistor, which includes a first electrode connected with a data line, a second electrode connected with a first terminal of the driving sub-circuit, and a control electrode connected with a first scan signal line, and the fourth transistor is an oxide thin film transistor; the threshold compensation sub-circuit is configured to compensate a threshold voltage of the driving sub-circuit in response to a second scan signal; the storage sub-circuit is configured to store a data voltage signal; the driving sub-circuit is configured to provide a driving current for a light emitting device to be driven according to voltages of the first terminal and a control terminal thereof.
    Type: Application
    Filed: June 30, 2022
    Publication date: April 25, 2024
    Inventors: Kunyan SHI, Yafei CHEN, Gang WANG, Qiang FU, Erlong SONG, Kai ZHANG, Peng XU, Xingrui CAI
  • Publication number: 20240137496
    Abstract: Embodiments of the present disclosure provide a method for video processing. The method comprises: applying, during a conversion between a target block of a video and a bitstream of the video, a gradient-based position dependent pre-diction combination to the target block in a coding mode, a gradient of a number of neighboring samples of the target block being used in the gradient-based position dependent prediction combination; and performing the conversion based on the applying.
    Type: Application
    Filed: December 13, 2023
    Publication date: April 25, 2024
    Inventors: Zhipin DENG, Kai Zhang, Li Zhang
  • Patent number: 11968870
    Abstract: The present disclosure provides a display panel and a display device. The display panel includes a display region; the display region includes a first display region and a second display region arranged in a second direction; each scanning signal line in the first display region is electrically connected with less pixels than each scanning signal line in the second display region; the first display region is divided into a first sub-display region and a second sub-display region arranged in the second direction; and the first sub-display region is located at the side far away from the second display region.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: April 23, 2024
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yonglin Guo, Kai Zhang, Yunsheng Xiao, Tingliang Liu
  • Patent number: 11968375
    Abstract: Embodiments for video processing, including video coding, video decoding and video transcoding are described. One example method includes performing a conversion between a video comprising one or more video pictures comprising one or more subpictures and a bitstream of the video, wherein the conversion conforms to a rule that specifies that one or more parameters for a scaling window applicable to a subpicture are determined from one or more syntax elements during a subpicture sub-bitstream extraction process.
    Type: Grant
    Filed: November 22, 2022
    Date of Patent: April 23, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Ye-kui Wang, Zhipin Deng, Kai Zhang, Li Zhang
  • Patent number: 11968367
    Abstract: A video processing method is described. The method includes performing a conversion between a video region of a video and a coded representation of the video. The performing of the conversion includes configuring, based on a partition type of the video region, a context model for coding a first bin. The first bin and a second bin are included in a bin string corresponding to an index of a secondary transform tool. The index indicates an applicability of the secondary transform tool and/or a kernel information of the secondary transform tool. The secondary transform tool includes applying, during encoding, a forward secondary transform to an output of a forward primary transform applied to a residual of a video block prior to quantization, or applying, during decoding, an inverse secondary transform to an output of dequantization to the video block before applying an inverse primary transform.
    Type: Grant
    Filed: December 28, 2022
    Date of Patent: April 23, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Kui Fan, Li Zhang, Kai Zhang, Hongbin Liu, Yue Wang
  • Patent number: 11968405
    Abstract: A method of video processing includes performing a conversion between a video including a picture and a bitstream of the video, wherein the bitstream conforms to a format rule, wherein the format rule specifies that an indication of whether a first flag is signalled at a beginning of a picture header associated with the picture, wherein the first flag is indicative of whether the picture is an intra random access point (IRAP) picture or a gradual decoding refresh (GDR) picture.
    Type: Grant
    Filed: July 7, 2022
    Date of Patent: April 23, 2024
    Assignee: BYTEDANCE INC.
    Inventors: Ye-kui Wang, Li Zhang, Kai Zhang
  • Patent number: 11966245
    Abstract: The present disclosure provides a voltage reference source circuit for generating a reference voltage, the voltage reference source circuit comprises a starting circuit, a current generating circuit, and an output voltage reference circuit electrically connected in sequence. The starting circuit provides a starting voltage for the voltage reference source circuit to prevent the voltage reference source circuit from operating in zero state area. The current generating circuit generates a working current for the output voltage reference circuit; and the output voltage reference circuit is used to realize the reference voltage output with zero temperature coefficient according to the working current output by the current generating circuit. A low power consumption power supply system is also disclosed.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: April 23, 2024
    Assignee: FocalTech Electronics (Shenzhen) Co., Ltd.
    Inventors: Zhen-Juan Cheng, Jing-Kai Zhang, Jin-Cheng Tian, Xin-Xi Jiang
  • Patent number: 11968369
    Abstract: A method of video processing is provided. The method includes determining, for a conversion between a video comprising a video unit and a bitstream of the video, whether a first coding tool is enabled for the video unit according to a rule. The rule specifies that the first coding tool and a second coding tool are mutually exclusively enabled. The first coding tool or the second coding tool comprises a sign data hiding tool. The method also includes performing the conversion according to the determining.
    Type: Grant
    Filed: October 18, 2022
    Date of Patent: April 23, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Yang Wang, Li Zhang, Kai Zhang, Hongbin Liu, Yue Wang
  • Patent number: 11968403
    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 block and a bitstream of the video according to a rule, wherein the rule specifies whether to include, in a slice header (SH), a first syntax element that indicates whether a transform skip based residual coding is disabled for a slice, and wherein the rule specifies that whether to include the first syntax element in the SH is selectively based on a second syntax element in a sequence parameter set (SPS) that indicates whether a TS mode is enabled for the video block.
    Type: Grant
    Filed: September 12, 2022
    Date of Patent: April 23, 2024
    Assignees: BEIJING BYTEDANCE NETWROK TECHNOLOGY CO., LTD., BYTEDANCE INC.
    Inventors: Zhipin Deng, Ye-Kui Wang, Li Zhang, Kai Zhang
  • Patent number: 11968368
    Abstract: A method of video processing includes performing a conversion between a current video block of a second color component of a video and a bitstream of the video using a cross-component prediction with multiple-parameter model (CCPMPM) in which samples of the current video block are predictively coded in the bitstream using a linear combination of samples of a first color component multiplied by linear coefficients and/or one or more offsets. The bitstream conforms to a format rule. The linear coefficients of the CCPMPM are determined using a first rule. The samples of the first color component are determined using a second rule.
    Type: Grant
    Filed: June 24, 2022
    Date of Patent: April 23, 2024
    Assignees: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD, BYTEDANCE INC.
    Inventors: Hongbin Liu, Li Zhang, Kai Zhang, Jizheng Xu, Yuwen He, Yue Wang