Patents by Inventor Biao Wang
Biao Wang 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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Patent number: 12329337Abstract: A robot cleaning system, including: a cleaning robot connectable to a mopping module of the cleaning robot, and a base station provided for the cleaning robot to dock, the cleaning robot includes: a main body; a mobile module; and a connection assembly, configured to detachably dispose the mopping module on the body of the robot; the base station includes: a storage module, configured to store at least one mopping module; an operating position, for the cleaning robot to dock to replace the mopping module; and a transfer module, configured to transfer the mopping module between the storage module and the operating position; and the robot cleaning system further includes a control unit. Beneficial effects of the present disclosure are: the cleaning robot is more intelligent, and the corresponding base station is compact in structure and small in occupied area.Type: GrantFiled: December 20, 2019Date of Patent: June 17, 2025Assignee: Positec Power Tools (Suzhou) Co., LTD.Inventors: Mingjian Xie, Shisong Zhang, Hongbing Wu, Jianqiang Xu, Hongfeng Zhong, Ji Li, Yue Zhen, Biao Wang, Yuanzhong Ran
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Publication number: 20250193413Abstract: A method of coding implemented by a decoding device or an encoding device, comprising obtaining indication information for a luma position (cbWidth/2, cbHeight/2) of a current coding block, relative to a top-left luma sample position (xCb, yCb) of the current coding block; setting a value of a luma intra prediction mode associated with the current coding block to a first default value, when the indication information indicates that an Intra Block Copy (IBC) mode or palette mode is applied for the luma component at the luma position (cbWidth/2, cbHeight/2), relative to the top-left luma sample position (xCb, yCb) of the current coding block; and obtaining a value of a chroma intra prediction mode based on the value of the luma intra prediction mode of the current coding block.Type: ApplicationFiled: December 16, 2024Publication date: June 12, 2025Inventors: Biao WANG, Semih ESENLIK, Han GAO, Anand Meher KOTRA, Elena Alexandrovna ALSHINA
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RAPID ELECTRO-GAS WELDING METHOD WITH SWING ARC, AND WELDING TORCH THEREWITH AND APPLICATION THEREOF
Publication number: 20250187097Abstract: A device is applied to a rapid electro-gas welding method, which includes enabling a welding wire to extend out from a center hole of a large-angle bent conductive rod mechanism after passing through an arc swing mechanism to form an included angle between the welding wire and a groove center line of a narrow groove to be welded, driving an arc of the welding wire to perform a front and rear linear oscillating along a plate thickness direction and a left-right circular-arc swing around a welding torch center line in the narrow groove, and driving the welding torch, a water-cooled copper slider and the welding torch oscillating mechanism to move upwards together at a welding speed to enable a molten pool to be forced to solidify implementing the rapid electro-gas welding through a swing arc with a variable amplitude and a variable frequency in the narrow groove to be welded.Type: ApplicationFiled: January 17, 2023Publication date: June 12, 2025Applicants: JIANGSU UNIVERSITY OF SCIENCE AND TECHNOLOGY, INSTITUTE OF SHANGHAI SPECIAL EQUIPMENT SUPERVISION AND INSPECTION TECHNOLOGY RESEARCHInventors: Jiayou WANG, Wei WANG, Jie ZHU, Tianwei WANG, Biao WANG -
Publication number: 20250193372Abstract: A bitstream including coded information of a current block and neighboring blocks of the current block in a current picture is received. Whether a merge mode is enabled for the current block is determined based on whether one or more of the neighboring blocks are coded by an intra template matching mode. When the merge mode is enabled for the current block, a merge candidate list that includes the one or more of the neighboring blocks of the current block is generated. A reference block vector is determined based on template matching information of a merge candidate selected from the merge candidate list. The reference block vector is refined to obtain a refined reference block vector for the current block. The current block is reconstructed based on a reference block indicated by the refined reference block vector.Type: ApplicationFiled: October 22, 2024Publication date: June 12, 2025Applicant: Tencent America LLCInventors: Yonguk YOON, Biao WANG, Roman CHERNYAK, Lien-Fei CHEN, Motong XU, Ziyue XIANG, Shan LIU
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Publication number: 20250185479Abstract: The present application provides a display substrate, a manufacturing method therefor, and a display apparatus. The display substrate includes a substrate, a plurality of sub-pixels located on the substrate, an auxiliary electrode located on the substrate, and an isolation structure located at a side of the auxiliary electrode away from the substrate. The sub-pixels each include a first electrode, a light-emitting material layer, and a second electrode. The isolation structure includes a first conductive portion, a second conductive portion located at a side of the first conductive part away from the substrate, and a third conductive portion located at a side of the second conductive portion away from the substrate.Type: ApplicationFiled: January 2, 2024Publication date: June 5, 2025Inventors: Ning LIU, Liangchen YAN, Bin ZHOU, Haitao WANG, Jiawen SONG, Biao WANG
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Publication number: 20250181300Abstract: A modular display screen chassis, including shells and one or more display modules. The shells have various preset sizes, and each shell is provided with a chamfer on its sides for splicing with a chamfer of an adjacent shell at a specific angle. The display modules 2 can be detachably attached on the shell 1, and each one has a fixed size. Each of the shells having various preset sizes corresponds to different numbers of the display modules. The modular display screen chassis and display screen of the present disclosure, through various preset sizes and chamfered shells, meet the users' requirements in more scenarios while facilitating production and maintenance, thus addressing the issue of indoor displays in existing technology being unable to satisfy customer demands for compatibility with multiple sizes and the ability to be spliced into various forms.Type: ApplicationFiled: September 23, 2024Publication date: June 5, 2025Applicants: Shanghai Sansi Electronic Engineering Co. Ltd., Shanghai Sansi Technology Co. Ltd., Jiashan Sansi Optoelectronic Technology Co. Ltd., Pujiang Sansi Optoelectronic Technology Co. Ltd., Zhejiang Puzhao Photoelectric Technology Co.,Ltd.Inventors: Chungen CHEN, Wenya ZHAO, Huafeng WANG, Biao WANG
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Publication number: 20250184482Abstract: A bitstream is received. The bitstream includes coded information of a current block and a template of the current block in a current picture. The template including neighboring samples of the current block. At least one of a size of the template and an offset of the template is determined according to an angle indicated by an initial intra prediction mode of the current block. A refined intra prediction mode for the current block is determined based on a template prediction of the template and a template reconstruction of the template. The current block is reconstructed based on the refined intra prediction mode.Type: ApplicationFiled: October 22, 2024Publication date: June 5, 2025Applicant: Tencent America LLCInventors: Yonguk YOON, Biao WANG, Ziyue XIANG, Lien-Fei CHEN, Roman CHERNYAK, Motong XU, Shan LIU
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Patent number: 12323588Abstract: A method of coding implemented by a decoding device or encoding device, the method comprising obtaining a value of an angle parameter for a current block; obtaining a value of a width of the current block and a value of a height of the current block; calculating a ratio value between the value of the width and the value of height; obtaining a first value according to the value of angle parameter and the ratio value; calculating a sample distance value for a sample in the current block according to the first value; obtaining a prediction value for the sample in the current block according to the sample distance value.Type: GrantFiled: July 7, 2021Date of Patent: June 3, 2025Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Semih Esenlik, Max Blaeser, Han Gao, Zhijie Zhao, Anand Meher Kotra, Biao Wang, Elena Alexandrovna Alshina
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Publication number: 20250168348Abstract: A method includes receiving a bitstream of coded information for pictures. The coded information indicates a prediction of a current block using a model based prediction technique, the model based prediction technique generates a prediction sample of the current block based on a model with one or more reconstructed samples of a reference block being input to the model, the model 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 performing at least a clipping operation on at least one of the current template and the reference template to obtain clipped template samples; deriving one or more parameter values of the one or more parameters of the model according to the clipped template samples; and generating at least a prediction sample of the current block by the model.Type: ApplicationFiled: October 22, 2024Publication date: May 22, 2025Applicant: Tencent America LLCInventors: Roman CHERNYAK, Biao WANG, Lien-Fei CHEN, Ziyue XIANG, Yonguk YOON, Motong XU, Shan LIU
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Publication number: 20250168358Abstract: Aspects of the disclosure includes methods and apparatuses for video decoding and encoding and a method of processing visual media data. The method for video decoding includes receiving coded information in a bitstream indicating that a current block is predicted based on a combination of a plurality of intra prediction modes. The method includes determining a plurality of intra predictions of the current block based on the respective intra prediction modes, determining a fused prediction of the current block based on a weighted summation of the plurality of intra predictions where the weighted summation is according to respective weights associated with the plurality of intra predictions, and reconstructing the current block based on the fused prediction. Each weight is based on one of a plurality of weighting functions that depends on a sample location (x, y) and the intra prediction mode of the intra prediction associated with the respective weight.Type: ApplicationFiled: October 22, 2024Publication date: May 22, 2025Applicant: Tencent America LLCInventors: Ziyue XIANG, Biao WANG, Roman CHERNYAK, Yonguk YOON, Lien-Fei CHEN, Motong XU, Shan LIU
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Publication number: 20250158163Abstract: A heat dissipation air deflector is suitable for being in contact with a battery and is used for dissipating heat of the battery. An air inlet chamber and air outlet chambers adjacent to two sides of the air inlet chamber are formed inside the heat dissipation air deflector; an air inlet communicated with the air inlet chamber is formed at one side of the heat dissipation air deflector; two air outlets are formed at other opposite sides of the heat dissipation air deflector; the two air outlets are respectively communicated with the two air outlet chambers; and the positions where the air inlet chamber is adjacent to the two air outlet chambers are communicated with each other by means of an air hole.Type: ApplicationFiled: January 14, 2025Publication date: May 15, 2025Inventors: Biao WANG, Xueqin YIN, Hu CAO, Xiaoqiang YIN, Guibo YANG
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Publication number: 20250159143Abstract: Devices and methods for Intra prediction are provided. The method includes: parsing a bitstream, wherein the bitstream includes indication information to indicate whether a closest neighboring reference line to the current block is used for an intra prediction; determining an intra prediction mode of the current block is not Planar mode when the closest neighboring reference line to the current block is not used for the intra prediction; and obtaining an index indicating which intra prediction mode in a set of most probable modes is used for the intra prediction mode of the current block when the intra prediction mode of the current block is not Planar mode. The method can improve the efficiency to determine the intra prediction mode of the current block.Type: ApplicationFiled: November 27, 2024Publication date: May 15, 2025Inventors: Biao WANG, Semih ESENLIK, Anand Meher KOTRA, Han GAO, Jianle CHEN
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Patent number: 12301807Abstract: A method of video coding a block of a picture includes: obtaining a residual signal resulting from inter- or intra-picture prediction; inferring use of a DCT2 transform core for a sequence of the residual signal; processing the transformation of the block using the inferred transform core.Type: GrantFiled: August 17, 2023Date of Patent: May 13, 2025Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Han Gao, Jianle Chen, Semih Esenlik, Anand Meher Kotra, Biao Wang
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Patent number: 12301800Abstract: A method of filtering a sample value of a picture includes, when an integer t is less than k and an integer j is in the range of 1 to m, generating, with an integer i in the range of 1 to k-t-1, a first filtered sample value by applying a first filter to the value of the sample p(i,j), where the first filter is supported by a first set of filter support samples, which does not comprise any samples p(i?,j?) with row index i? greater than k-t-1, and generating, with i in the range of k-t to k, a second filtered sample value by applying a second filter to the value of the sample p(i,j), the second filter is supported by a second set of filter support samples, which does not comprise any samples p(i?,j?) with row index i? less than k-t.Type: GrantFiled: January 7, 2024Date of Patent: May 13, 2025Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Anand Meher Kotra, Semih Esenlik, Jianle Chen, Han Gao, Biao Wang, Zhijie Zhao
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Publication number: 20250150586Abstract: A video bitstream including coded information of a current block in a current picture is received. The current block is divided into a plurality of subblocks based on a region division shape of a plurality of region division shapes that is associated with an intra prediction mode of the current block. A weight set is determined for each of the plurality of subblocks, where the weight set includes a first weight for an intra prediction of the respective subblock and a second weight for an inter prediction of the respective subblock. Each of the plurality of subblocks is reconstructed based on the weight set, the intra prediction, and the inter prediction that are associated with the respective subblock.Type: ApplicationFiled: October 22, 2024Publication date: May 8, 2025Applicant: Tencent America LLCInventors: Yonguk YOON, Shan LIU, Roman CHERNYAK, Biao WANG, Lien-Fei CHEN, Motong XU, Xin ZHAO, Ziyue XIANG
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Publication number: 20250147156Abstract: This disclosure provides a safety protection circuit and a drive detection method for a LiDAR and a driver circuit thereof. The LiDAR includes a light-emitter apparatus, and the driver circuit provides a drive voltage to drive the light-emitter apparatus to emit light. One end of the light-emitter apparatus receives the drive voltage, and the other end of the light-emitter apparatus is coupled to a drive switch. The safety protection circuit includes: a voltage detector unit configured to detect a voltage value of the drive voltage; and a safety controller unit configured to control the driver circuit to stop providing the drive voltage when a voltage value of the drive voltage is lower than a threshold voltage, wherein the threshold voltage represents a voltage value of the drive voltage when the drive switch fails.Type: ApplicationFiled: January 13, 2025Publication date: May 8, 2025Inventors: Chengguang LI, Biao WANG, Xin ZHAO, Shaoqing XIANG
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Publication number: 20250142065Abstract: The present disclosure relates to methods and devices to be employed for encoding and decoding of image or video signal. They include determination of whether or not the size of a current block is larger than a minimum allowed quadtree leaf node size. If the size of the current block is not larger than the minimum allowed quadtree leaf node size, multi-type tree splitting is applied to the current block. The minimum allowed quadtree leaf node size is not larger than a maximum allowed binary tree root node size or the minimum allowed quadtree leaf node size is not larger than a maximum allowed ternary tree root node size.Type: ApplicationFiled: November 12, 2024Publication date: May 1, 2025Inventors: Han GAO, Semih ESENLIK, Jianle CHEN, Zhijie ZHAO, Anand Meher KOTRA, Biao WANG
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Publication number: 20250142062Abstract: One or more template predictions are generated for a template of a current block based on one or more prediction modes. The template includes neighboring samples of the current block. Each of the one or more template predictions is generated based on a respective one of the one or more prediction modes. One or more filters are derived for the current block. Each of the one or more filters is derived based on (i) filter index information or (ii) a respective one of the one or more template predictions and a template reconstruction of the template. One or more predictions of the current block are determined. Each of the one or more predictions is determined based on a respective one of the one or more prediction modes. A final prediction of the current block is determined by applying the one or more filters to the one or more predictions.Type: ApplicationFiled: October 22, 2024Publication date: May 1, 2025Applicant: Tencent America LLCInventors: Yonguk YOON, Lien-Fei CHEN, Biao WANG, Roman CHERNYAK, Motong XU, Xin ZHAO, Shan LIU
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Publication number: 20250133210Abstract: A method includes receiving a bitstream that comprises coded information of a current block, the coded information of the current block indicates a state transition path of a state machine, the state transition path of the state machine includes at least a first state transition associated with a first quantization shifting offset of one or more first transform coefficients in transform coefficients of the current block. The method also includes determining the first quantization shifting offset associated with the one or more first transform coefficients according to the first state transition; reconstructing the one or more first transform coefficients based on the first quantization shifting offset; calculating residuals in a spatial domain of the current block based on at least the one or more first transform coefficients; and reconstructing the current block according to the residuals in the spatial domain.Type: ApplicationFiled: October 11, 2024Publication date: April 24, 2025Applicant: Tencent America LLCInventors: Motong XU, Roman CHERNYAK, Lien-Fei CHEN, Biao WANG, Yonguk YOON, Xin ZHAO, Shan LIU
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Publication number: 20250126270Abstract: Aspects of the disclosure includes methods and apparatuses for video decoding and video encoding and a method of processing visual media data. A current block in a first coding tree unit (CTU) is predicted using samples in a current picture. The first CTU and a second CTU are processed in parallel. The method for video decoding includes determining one of (i) a reference block of the current block in an allowed search range that is constrained for parallel processing of the first CTU and the second CTU in the current picture and (ii) an intra prediction mode of the current block based on a template adjacent to the current block that is constrained for parallel processing of the first CTU and the second CTU, and reconstructing the current block using the one of (i) the reference block and (ii) the intra prediction mode.Type: ApplicationFiled: October 10, 2024Publication date: April 17, 2025Applicant: Tencent America LLCInventors: Biao WANG, Lien-Fei CHEN, Roman CHERNYAK, Xin ZHAO, Shan LIU