Patents by Inventor Liang Zhao
Liang Zhao 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).
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Publication number: 20250039419Abstract: Methods, apparatus, and computer readable storage medium for intra prediction mode coding in video decoding. The method includes receiving a coded video bitstream; constructing a list of intra modes for a block in the coded video bitstream according to a pre-defined rule based on a size of the block; dividing the list of intra modes into a plurality of intra mode sets for the block; extracting, from the coded video bitstream, a set index indicating an intra mode set from the plurality of intra mode sets; extracting, from the coded video bitstream, a mode index indicating an intra prediction mode from the intra mode set; determining the intra prediction mode for the block based on the set index and the mode index; and decoding the coded video bitstream based on the intra prediction mode.Type: ApplicationFiled: September 23, 2024Publication date: January 30, 2025Applicant: Tencent America LLCInventors: Liang ZHAO, Xin ZHAO, Shan LIU
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Publication number: 20250039439Abstract: The various implementations described herein include methods and systems for coding video. In one aspect, a video bitstream includes a current coding block of an image frame and a syntax element for a cross-component intra prediction (CCIP) mode. The CCIP mode indicates whether each chroma sample of the current coding block is determined based on one or more luma samples. An electronic device generates a plurality of hypothesis values to be used in predicting a first chroma sample by combining a plurality of neighboring luma samples of a first luma sample that is co-located with the first chroma sample using a plurality of coefficients. The first chroma sample is predicted by combining the first luma sample and the plurality of hypothesis values based on a plurality of weighing factors. The electronic device reconstructs the current coding block including the first chroma sample.Type: ApplicationFiled: October 30, 2023Publication date: January 30, 2025Inventors: Jing YE, Xin ZHAO, Liang ZHAO, Han GAO, Shan LIU
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Publication number: 20250038044Abstract: Systems, devices, and methods for managing conductive connections for semiconductor devices are provided. In one aspect, a method includes: providing an integrated structure including an array structure in a first region and a conductive connection structure in a second region adjacent to the first region, at least one portion of at least one polysilicon layer being over the conductive connection structure; etching the at least one portion of the at least one polysilicon layer to expose one or more conductive connections in the conductive connection structure; depositing an isolating material over the array structure and the conductive connection structure; and forming conductive vertical interconnect accesses (VIAs) through the isolating material to be in contact with the one or more conductive connections and a conductive layer in the array structure.Type: ApplicationFiled: August 31, 2023Publication date: January 30, 2025Inventors: Yingcheng Zhao, Liang Xiao, Lina Miao, Shu Wu
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Publication number: 20250039385Abstract: This disclosure relates generally to video coding/decoding. One method includes receiving a video bitstream comprising a current picture, the current picture comprising the current block, and the current block comprising a current transform block; extracting a syntax element for a skip transform flag, the skip transform flag indicating whether the current transform block has all zero coefficient; deriving a context for entropy decoding the skip transform flag based on at least one of: a prediction mode of the current transform block; a quantization index information for the current transform block; or whether the current transform block is calculated by a secondary transform that is applied jointly on a transform block of a second component; decoding the skip transform flag using the context; and reconstructing the current block based on skip transform flag.Type: ApplicationFiled: April 23, 2024Publication date: January 30, 2025Applicant: Tencent America LLCInventors: Xin ZHAO, Madhu PERINGASSERY KRISHNAN, Jing YE, Liang ZHAO, Han GAO, Shan LIU
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Publication number: 20250033657Abstract: The relative position of a user equipment (UE) within a vehicle is determined using angular measurements, such as angle of arrival (AOA), and optionally ranging measurements, with respect to a number of wireless transceivers within the vehicle using wideband signals. The relative position of the UE with respect to a personal zone or the steering wheel may be determined based on known positions of the wireless transceivers. If the UE is determined to be within the personal zone, at least one functionality of the UE is restricted to avoid driver distraction and, optionally, the operation autonomous driving of the vehicle adjusted. If the UE is worn on the driver's wrist the relative position of the UE with respect to the steering wheel may be similarly determined and operation of the vehicle modified if the UE is determined to be outside a threshold distance from the steering wheel.Type: ApplicationFiled: October 14, 2024Publication date: January 30, 2025Inventors: Santosh Kumar GUPTA, Shishir GUPTA, Constantinos Steven BEKIS, Liang ZHAO, Le Nguyen LUONG, Cheng-Han WANG
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Patent number: 12213354Abstract: A display panel is provided. The display panel includes a base substrate and a plurality of display units disposed on the base substrate. The display unit includes a signal line, a light-emitting device and a drive unit. The light-emitting device is disposed in a flexible display region of the base substrate, the drive unit is disposed in a pixel circuit region of the base substrate, and the signal line is connected with the light-emitting device and the drive unit.Type: GrantFiled: January 26, 2022Date of Patent: January 28, 2025Assignee: BOE Technology Group Co., Ltd.Inventors: Hao Chen, Jinxiang Xue, Liang Chen, Jiao Zhao, Li Xiao, Dongni Liu, Seungwoo Han, Haoliang Zheng, Minghua Xuan
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Patent number: 12212788Abstract: A method, computer program, and computer system is provided for encoding or decoding video data. Video data including a chroma component and a luma component is received. A first coding tree structure associated with the luma component and a second coding tree structure associated with the chroma component are determined, wherein the first coding tree structure and the second coding tree structure share a same top level coding tree structure. The video data is decoded based on the first coding tree structure and the second coding tree structure.Type: GrantFiled: July 15, 2022Date of Patent: January 28, 2025Assignee: TENCENT AMERICA LLCInventors: Liang Zhao, Xin Zhao, Shan Liu
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Patent number: 12202500Abstract: The relative position of a user equipment (UE) within a vehicle is determined using angular measurements, such as angle of arrival (AOA), and optionally ranging measurements, with respect to a number of wireless transceivers within the vehicle using wideband signals. The relative position of the UE with respect to a personal zone or the steering wheel may be determined based on known positions of the wireless transceivers. If the UE is determined to be within the personal zone, at least one functionality of the UE is restricted to avoid driver distraction and, optionally, the operation autonomous driving of the vehicle adjusted. If the UE is worn on the driver's wrist the relative position of the UE with respect to the steering wheel may be similarly determined and operation of the vehicle modified if the UE is determined to be outside a threshold distance from the steering wheel.Type: GrantFiled: September 30, 2021Date of Patent: January 21, 2025Assignee: QUALCOMM IncorporatedInventors: Santosh Kumar Gupta, Shishir Gupta, Constantinos Steven Bekis, Liang Zhao, Le Nguyen Luong, Cheng-Han Wang
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Patent number: 12204674Abstract: Embodiments of the present disclosure relate to a permission setting method and apparatus, a device, and a medium. The method includes: displaying a permission customization control, in response to a trigger operation on a permission setting object of task information, the permission setting object including a first information object and/or a second information object, the second information object being subordinate to the first information object; displaying a permission editing interface, in response to a trigger operation on the permission customization control, and receiving customization permission information via the permission editing interface; and displaying the customization permission information corresponding to the permission setting object. Therefore, a hierarchy structure based on the task information satisfies a setting need for content-based permission customization, and improves a permission management efficiency.Type: GrantFiled: October 24, 2023Date of Patent: January 21, 2025Assignee: BEIJING ZITIAO NETWORK TECHNOLOGY CO., LTD.Inventors: Wenzong Ma, Liang Chen, Yingtao Liu, Wei Ren, Qiushuo Huang, Yuejiang Yuan, Hao Huang, Jianhui Wu, Yalong Zou, Linghui Zhou, Mengzhang Wu, Yanhui Zhao, Xinlei Guo
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Patent number: 12206881Abstract: Aspects of the disclosure provide methods and apparatuses for video encoding and decoding. The apparatuses include an apparatus for video decoding. Processing circuitry of the apparatus for video decoding can decode coded information for a current block from a coded video bitstream. The coded information indicates a bi-prediction motion compensation mode for the current block. The processing circuitry determines, based on current neighboring reconstructed samples of the current block, first neighboring reconstructed samples of a first prediction block, and second neighboring reconstructed samples of a second prediction block, a weight used in the bi-prediction motion compensation mode. The processing circuitry reconstructs samples in the current block based on a weighted average of corresponding samples in the first prediction block and the second prediction block using the determined weight.Type: GrantFiled: November 15, 2023Date of Patent: January 21, 2025Assignee: TENCENT AMERICA LLCInventors: Xin Zhao, Liang Zhao, Shan Liu
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Publication number: 20250024070Abstract: A computing system receives a video bitstream that comprises a current block within a current picture and one or more syntax elements. The current block is encoded in a subblock-based motion vector (MV) refinement mode using information from a first reference block and a second reference block. The system applies a MV refinement to generate a refined first MV indicating a first location of the first reference block and a refined second MV indicating a second location of the second reference block. Subsequent to applying the MV refinement, in accordance with a determination that (i) the first location is outside of a first set of reference boundaries and/or (ii) the second location is outside of a second set of reference boundaries, the system decodes the current block using a weighted average of respective values from the first and second locations.Type: ApplicationFiled: September 1, 2023Publication date: January 16, 2025Inventors: Han GAO, Xin Zhao, Liang Zhao, Jing Ye, Shan Liu
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Publication number: 20250024055Abstract: The various implementations described herein include methods and systems for encoding and decoding video. For example, a computing system receives a video bitstream that includes a current block and a syntax element. The current block is encoded using information from a set of reference blocks. The system determines, based on the syntax element, whether the current block is encoded in a compound weighted prediction (CWP) mode. The system decodes the current block using a set of weighted prediction factors when the current block is encoded in the CWP mode. When the current block is not encoded in the CWP mode, the system decodes the current block using an implicit masked blending mode based on a weighted average of reference values associated with the set of reference blocks.Type: ApplicationFiled: September 1, 2023Publication date: January 16, 2025Inventors: Han GAO, Liang Zhao, Xin Zhao, Jing Ye, Shan Liu
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Publication number: 20250024016Abstract: A method includes receiving a bitstream that includes coded information of a sequence of pictures. The coded information indicates an inter prediction of a current block in a current picture, and an adjustment factor to a linear formular that is used in a formular based inter prediction of the inter prediction. The formular based inter prediction generates a prediction sample of the current block based on a linear formular with one or more reconstructed samples in a reference block being input to the linear formular, the linear formular includes one or more parameters derived based on a current template of the current block and a reference template of the reference block. The method also includes applying the adjustment factor on the linear formular to generate an adjusted linear formular, and determining at least a reconstructed sample of the current block according to the adjusted linear formular.Type: ApplicationFiled: July 10, 2024Publication date: January 16, 2025Applicant: Tencent America LLCInventors: Lien-Fei CHEN, Roman Chernyak, Liang Zhao, Xin Zhao, Biao Wang, Madhu Peringassery Krishnan, Shan Liu
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Publication number: 20250019646Abstract: A cell growth promoter and an application thereof are provided. The invention adopts Fe2+ and ovalbumin to form a Fe2+-ovalbumin (OVA) compound to promote ovalbumin cell endocytosis, the cell growth promoter can maintain cell growth in an environment free of amino acids, promote cell proliferation in an environment with amino acids; and, the Fe2+-OVA compound can replace expensive animal serum albumin in cell culture, the cell growth promoter has a significant effect on improving cell viability and is low cost.Type: ApplicationFiled: May 20, 2024Publication date: January 16, 2025Applicant: China Agricultural UniversityInventors: Yixuan LI, Weibo ZHANG, Yinhua ZHU, Pengjie WANG, Yanan SUN, Juan CHEN, Liang ZHAO, Ruixin ZHU, Ran WANG
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Patent number: 12200192Abstract: A method includes receiving a current picture, a first reference picture, and a second reference picture. The method includes obtaining a plurality of predefined weighting patterns, each weighting pattern being signaled as an index value and selecting a weighting pattern based on a predetermined condition. The method includes deriving a first weight to be applied to a first sub-block in the first reference picture and a second weight to be applied to a second sub-block in the second reference picture based on the index value corresponding to the selected weighting pattern. The method includes assigning the first weight to the first sub-block and the second weight to the second sub-block based on the selected weighting pattern. The method includes decoding the current block by a weighted bi-prediction based at least on the first sub-block weighted by the first weight and the second sub-block weighted by the second weight.Type: GrantFiled: November 3, 2022Date of Patent: January 14, 2025Assignee: TENCENT AMERICA LLCInventors: Madhu Peringassery Krishnan, Xin Zhao, Liang Zhao, Han Gao, Xiaozhong Xu, Shan Liu
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Patent number: 12200195Abstract: The various implementations described herein include methods and systems for coding video. In one aspect, a method includes receiving a video bitstream including a current coding block of a current image frame and determining that the current coding block is to be predicted in a weighted bi-prediction (WBP) mode. The method further includes in response to the current coding block being predicted in the WBP mode, determining that the current coding block is associated with two bi-prediction blocks and identifying a plurality of distinct weighting factor lists including at least a first list of positive weighting factors and a second list of mixed weighting factors. The method further includes selecting one of the weighing factor lists, identifying a first weighting factor from the weighing factor lists, and reconstructing the current image frame, including determining the current coding block by combining the two bi-prediction blocks based on the first weighting factor.Type: GrantFiled: July 3, 2023Date of Patent: January 14, 2025Assignee: TENCENT AMERICA LLCInventors: Liang Zhao, Xin Zhao, Han Gao, Biao Wang, Xiaozhong Xu, Shan Liu
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Patent number: 12195784Abstract: A method for screening Lactobacillus casei fermentation agent is provided. The method is specifically implemented by screening a Lactobacillus casei strain with high-expression of a lac cluster gene and no enzymatic activity of ?-fructosidase. The Lactobacillus casei strain that rapidly metabolizes lactose is screened through high expression of the lac cluster gene, such that the problem of large differences in acid production in fermented milk beverage products is avoided.Type: GrantFiled: May 24, 2024Date of Patent: January 14, 2025Assignee: China Agricultural UniversityInventors: Ran Wang, Huiyuan Guo, Pengjie Wang, Jingjing He, Xiaoxia Li, Liang Zhao, Bing Fang, Jing Zhan, Hao Zhang
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Patent number: 12200196Abstract: A method for encoding and decoding of motion vector difference for inter-predicting a video block is provided. The method includes receiving a coded video bitstream; extracting, from the coded video bitstream, a flag indicating whether an inter-predication mode is a JOINT_NEWMV mode for a current block in a current frame, the JOINT_NEWMV mode indicating that a first delta motion vector (MV) for a first reference frame from a reference list 0 and a second delta MV for a second reference frame from a reference list 1 are jointly signaled; in response to the flag indicating that the inter-predication mode is the JOINT_NEWMV mode, extracting a joint delta motion vector (MV) for the current block, and deriving the first delta MV and the second delta MV based on the joint delta MV; and decoding the current block based on the first delta MV and the second delta MV.Type: GrantFiled: September 21, 2023Date of Patent: January 14, 2025Assignee: Tencent America LLCInventors: Liang Zhao, Xin Zhao, Shan Liu
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Publication number: 20250016303Abstract: A method for video decoding is provided. For a current block, whether an angular intra prediction mode for the current block is a wide angle mode that is in a direction outside of a range of directions that spans a bottom left diagonal direction and a top right diagonal direction of the current block is determined. Based on the angular intra prediction mode being determined as the wide angle mode, an intra smooth filter is enabled, the enabled intra smooth filter is applied to blocks neighboring the current block to generate filtered blocks, and intra prediction is performed based on the filtered blocks to decode the current block.Type: ApplicationFiled: September 19, 2024Publication date: January 9, 2025Applicant: TENCENT AMERICA LLCInventors: Liang ZHAO, Xin Zhao, Xiang Li, Shan Liu
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Publication number: 20250016367Abstract: This disclosure relates to adaptively reordering reference frames for video coding technologies. Template matching (TM) may be used to reorder the reference frames or reference frame pairs for each block by comparing the difference between the template of a current block and the template of a reference block with reference to the motion information of the spatial reference motion information (or spatial motion vectors) and/or temporal reference motion information (or temporal motion vectors). The difference between the template of current block and the template of the reference block may be calculated for each spatial reference motion information and/or temporal reference motion information, and marked as the score value of the associated reference frames or reference frame pairs. The available reference frames or reference frame pairs are ranked based on the score value.Type: ApplicationFiled: September 20, 2024Publication date: January 9, 2025Inventors: Liang ZHAO, Xin ZHAO, Shan LIU