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).

  • SYNTHESIS OF ERIBULIN MESYLATE
    Publication number: 20220402933
    Abstract: A preparation method of an intermediate compound of formula II ((1R,2S,3S,4S,5S,6R,11S,14S,17S,19R,21R,23S,25R,26R,27S,31R,34S)-25-[(2S)-2,3-dihydroxy]-2,5-di hydroxy-26-methoxy-19-methyl-13,20-dimethylene-24,35,36,37,38,39-hexaoxane[29.3.1.13,6.14,34.111,14.117,21.023,27]nonatriacontan-8,29-dione) for eribulin mesylate is provided, including subjecting a compound of formula I to a reaction with an additive in the presence of tetra-n-butylammonium fluoride (TBAF). The additive is piperidine hydrochloride or pyridine hydrochloride, and a reaction formula is as follows: The present invention aims to avoid the problem that a traditional synthetic route has a low yield.
    Type: Application
    Filed: November 5, 2021
    Publication date: December 22, 2022
    Applicant: WISDOM PHARMACEUTICAL CO., LTD
    Inventors: Xiaolong QIU, Tao XU, Zhiwei ZUO, Jie GE, Xinwei LU, Lingling CHU, Wenbo LIU, Biao WANG, Tingwei GU, Weiwei WANG, Lin HU, Ping ZOU, Jun CHEN, Lei CAO
  • Encoder, a decoder and corresponding methods of signaling and semantics in parameter sets
    Patent number: 11533497
    Abstract: Signalling of syntax elements in a sequence parameter set of a video bitstream is addressed. Particularly, it is provided a method of decoding a video bitstream wherein a sequence parameter set, SPS, is coded that contains syntax elements that apply to a video sequence, the method comprising obtaining a value of a first syntax element from the SPS used to specify whether a decoded picture buffer, DPB, parameters syntax structure is present in the SPS and obtaining a value of a second syntax element from the SPS, at least when determining that the value of the first syntax element specifies that the DPB parameters syntax structure is present in the SPS, used to specify the presence of a DPB syntax element in the DPB parameters syntax structure, wherein the DPB syntax element is applied to a temporal sublayer except for the highest temporal sublayer in the video sequence.
    Type: Grant
    Filed: February 25, 2022
    Date of Patent: December 20, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Biao Wang, Semih Esenlik, Anand Meher Kotra, Elena Alexandrovna Alshina, Han Gao
  • SWING/ROTATING GAS METAL ARC WELDING TORCH AND USE METHOD THEREFOR
    Publication number: 20220388088
    Abstract: A swing/rotating gas metal arc welding torch, include a hollow shaft motor and a feeder panel. An upper extending shaft of the feeder panel penetrates through a brush mechanism, and is fixedly connected to a lower extension shaft of the hollow shaft by means of a coupling, and a lower extending shaft of the feeder panel penetrates through a support bearing mounted in a brush base and is then connected to an eccentric or bent conductive rod mechanism; the motor base is fixedly connected to the brush base by means of connecting screws, and a welding shielding gas is provided and welding torch cooling is achieved by means of inner holes of the connecting screws as well as a built-in gas passage and a cooling water passage of the brush base; the length of the conductive rod mechanism is adjusted by means of modulation or extension and retraction.
    Type: Application
    Filed: September 18, 2020
    Publication date: December 8, 2022
    Applicants: JIANGSU UNIVERSITY OF SCIENCE AND TECHNOLOGY, NANTONG DONGDE STEEL CO., LTD
    Inventors: Jiayou WANG, Jie ZHU, Tianwei WANG, Wei WANG, Kai WANG, Da JIANG, Biao WANG, Yuqing JIANG, Jianjian PANG, Luxiao ZHANG
  • ENCODER, DECODER AND CORRESPONDING METHODS ABOUT SIGNALING HIGH LEVEL SYNTAX
    Publication number: 20220394247
    Abstract: A method of coding is disclosed. The method comprises obtaining a bitstream for a coding block; obtaining a value of a syntax from the bitstream; obtaining a value of deblocking control parameter from the bitstream, when the value of the syntax is equal to a preset value.
    Type: Application
    Filed: August 2, 2022
    Publication date: December 8, 2022
    Inventors: Anand Meher KOTRA, Semih ESENLIK, Biao WANG, Han GAO, Elena Alexandrovna ALSHINA
  • Encoder, a decoder and corresponding methods using an adaptive loop filter
    Patent number: 11523111
    Abstract: A method of filtering a sample value of a picture is provided, with an integer t that is less than k and with an integer j in the range of 1 to m: generating, with an integer i in the range of 1 to k?t?1, a filtered sample value by applying a filter to the value of the sample p(i,j), wherein the filter is supported by a set of filter support samples, the set of filter support samples does not comprise any samples p(i?,j?) with row index i? greater than k?t?1, and/or generating, with an integer i in the range of k?t to k, a filtered sample value by applying a filter to the value of the sample p(i,j), the filter is supported by a set of filter support samples, wherein the set of filter support samples does not comprise any samples p(i?,j?) with row index i? less than k?t.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: December 6, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Anand Meher Kotra, Semih Esenlik, Jianle Chen, Han Gao, Biao Wang, Zhijie Zhao
  • Devices and methods for image and video coding
    Patent number: 11516505
    Abstract: The disclosure relates to a method of decoding implemented by a decoding device, comprising: obtaining a value of a reference line index for a current block; constructing a most probable mode, MPM, list for the current block; obtaining a value of intra-prediction mode index for the current block; when the value of the reference line index is not equal to 0, obtaining an intra prediction mode of the current block according to the MPM list for the current block and the value of the intra-prediction mode index for the current block, wherein the value of the intra-prediction mode index indicates a position that corresponds to the intra prediction mode of the current block among angular intra-prediction modes in the MPM list. The disclosure also relates to a coding apparatus and a non-transitory machine-readable medium.
    Type: Grant
    Filed: February 8, 2021
    Date of Patent: November 29, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Biao Wang, Jianle Chen, Semih Esenlik, Anand Meher Kotra, Han Gao, Zhijie Zhao
  • ENCODER, DECODER AND CORRESPONDING METHODS FOR ADAPTIVE LOOP FILTERING
    Publication number: 20220377326
    Abstract: A method of filtering a sample value of a picture and a video decoding apparatus are disclosed, the method comprises: obtaining a reconstructed sample value for a block of the picture; obtaining filter coefficients for adaptive loop filtering according to a bitstream; obtaining a sum value according to the filter coefficients and the reconstructed sample value for the block; rounding the sum value according to a vertical position of a sample in the block, to obtain a rounded sum value; obtaining a filter reconstructed sample value for the block according to the rounded sum value.
    Type: Application
    Filed: July 22, 2022
    Publication date: November 24, 2022
    Inventors: Anand Meher KOTRA, Semih ESENLIK, Han GAO, Biao WANG, Elena Alexandrovna ALSHINA
  • Video encoder, video decoder and methods
    Patent number: 11503290
    Abstract: A method of and an apparatus for encoding and decoding are provided. The method comprises determining whether, as a condition for not applying binary splitting to a current block, determining whether the current block is a boundary block and whether a multi-type tree depth resulting from multi-type tree splitting of a quadtree leaf, is equal to or greater than a sum of a maximum boundary multi-type partition depth and a depth offset. Binary splitting is applied in accordance with a result of determining whether said condition is satisfied.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: November 15, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Han Gao, Semih Esenlik, Biao Wang, Anand Meher Kotra
  • AUTONOMOUS LAWN MOWER
    Publication number: 20220354050
    Abstract: An autonomous lawn mower includes: a housing, provided with a bottom shell, a movement module, a cutting mechanism with a cutting element, and a control module. The autonomous lawn mower further includes a protecting assembly provided with a protecting wall. In a horizontal direction, the protecting wall is disposed on an outer side of the cutting mechanism. The protecting assembly at least includes a movable protecting member. The protecting wall at least includes a movable protecting wall that is disposed at the movable protecting member and is located on the outer side of the cutting mechanism in the horizontal direction. When the cutting mechanism is at any cutting height and the movable protecting member is in a free state under no external force, a ground clearance of a lower end of the movable protecting wall is an initial distance. The initial distance remains less than M. 38 mm?M?40 mm.
    Type: Application
    Filed: June 18, 2020
    Publication date: November 10, 2022
    Inventors: Jiang DU, Biao WANG, Fengli ZHAO, Xiahong ZHA, Xiaoqing ZHOU, Bin LIU
  • ENCODER, A DECODER AND CORRESPONDING METHODS OF COMPLEXITY REDUCTION ON INTRA PREDICTION FOR THE PLANAR MODE
    Publication number: 20220337870
    Abstract: A method of coding implemented is provided. The method includes the following operations: obtained the height and width of a prediction block without applying clipping operation; calculating a value of a vertical component of an intra prediction sample based on the height and width of the prediction block; calculating a value of a horizontal component of the intra prediction sample based on the height and width of the prediction block; and generating the intra prediction sample based on the value of the vertical component and the value of the horizon component.
    Type: Application
    Filed: June 27, 2022
    Publication date: October 20, 2022
    Inventors: Biao WANG, Semih ESENLIK, Anand Meher KOTRA, Han GAO, Elena Alexandrovna ALSHINA
  • Relation between partition constraint elements
    Patent number: 11477494
    Abstract: The present disclosure relates generally to video coding and picture partitioning methods. In particular, the disclosure is concerned with relations between partition constraint elements, by setting partitioning rules for different picture partitioning methods. The disclosure provides devices and corresponding methods for generating or processing a bitstream including encoded pictures, particularly for setting and including partition constraint element into the bitstream. One of the devices is configured to determine a minimum luma size of a leaf block resulting from quadtree splitting (MinQtSizeY), determine a maximum luma size of a coding block where partitioning using a binary tree splitting is allowed (MaxBtSizeY) based on the MinQtSizeY, and include information for the determined MinQtSizeY into the bitstream.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: October 18, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Han Gao, Semih Esenlik, Jianle Chen, Anand Meher Kotra, Biao Wang, Zhijie Zhao
  • Energy harvester and a wearable device
    Patent number: 11476780
    Abstract: An energy harvester (100) includes: an inner band (110); an outer band (120) arranged to surround the inner band (110), wherein the inner band (110) is coupled to the outer band (120) at a fixed end (20) and the inner band (110) is spaced from the outer band (120) at a free end (30); and an energy generator (150) arranged to generate electric energy through relative movement between the inner band (110) and the outer band (120) at the free end (30). Also disclosed is a wearable device (10) including: a wearable strap formed by the inner band (110) and the outer band (120) of the energy harvester (100), and a mass (130) arranged to receive at least a portion of the wearable device (10).
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: October 18, 2022
    Assignee: City University of Hong Kong
    Inventors: Zhengbao Yang, Biao Wang
  • Cross-Component Adaptive Loop Filtering for Video Coding
    Publication number: 20220329794
    Abstract: A method in an image encoding and/or an image decoding, in which picture header entries for a cross-component adaptive loop filter (CC-ALF) are introduced which defines the common CC-ALF data and all the slices inherit this common information. The signaling overhead, in particular, the overhead of the slice header (in terms of number of bits) is reduced.
    Type: Application
    Filed: June 23, 2022
    Publication date: October 13, 2022
    Inventors: Anand Meher Kotra, Semih Esenlik, Elena Alexandrovna Alshina, Han Gao, Biao Wang
  • Encoder, a decoder and corresponding methods using intra block copy (IBC) dedicated buffer and default value refreshing for luma and chroma component
    Patent number: 11463709
    Abstract: A method of coding implemented by a decoding device, comprising initializing a dedicated buffer for intra block copy (IBC) referencing, when a current coding tree unit (CTU) to be decoded is a first CTU of a CTU row, determining whether a current block in the current CTU is predicted using IBC mode, obtaining an IBC block vector for the current block when the current block is predicted using IBC mode, and obtaining predicted sample values for the current block, based on reference samples from the dedicated buffer and the IBC block vector for the current block.
    Type: Grant
    Filed: January 4, 2021
    Date of Patent: October 4, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Han Gao, Semih Esenlik, Biao Wang, Anand Meher Kotra, Jianle Chen
  • ENCODER, A DECODER AND CORRESPONDING METHODS FOR INTER-PREDICTION
    Publication number: 20220303573
    Abstract: A non-transitory computer-readable medium for inter-prediction and an encoder are provided. An initial motion vector is obtained for a current block. Search space positions are determined according to the initial motion vector. Matching costs for the search space positions are checked according to a checking order to select a target search space position with a minimal matching cost. A refining motion vector of the current block is determined based on the initial motion vector and the target search space position. A central search space position is determined according to the checking order, and the central search space position is pointed to by the initial motion vector.
    Type: Application
    Filed: April 4, 2022
    Publication date: September 22, 2022
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Semih Esenlik, Han Gao, Anand Meher Kotra, Biao Wang, Jianle Chen
  • CODING METHOD, DEVICE, SYSTEM WITH MERGE MODE
    Publication number: 20220295048
    Abstract: Parallel processing of inter prediction of a current coding block and preceding coding blocks depending on the partition depth of the current coding block is disclosed. An apparatus comprises a processing circuitry configured for: obtaining a value of a parameter for the current coding block, wherein the value of the parameter indicates a partition depth of the current coding block, and performing an inter prediction process for the current coding block; wherein no Motion Vector Predictor candidate comprising a motion vector of a coded block of the picture that is not spatially adjacent to the current coding block for the current coding block is used in the inter prediction process or a merge mode inter prediction process comprised in the inter prediction process, when the value of the parameter for the current coding block is greater than a threshold.
    Type: Application
    Filed: June 2, 2022
    Publication date: September 15, 2022
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Semih ESENLIK, Han GAO, Anand Meher KOTRA, Biao WANG, Elena Alexandrovna ALSHINA
  • Partitioning with high level constraint
    Patent number: 11445188
    Abstract: A method of image partitioning, comprises determining a first indicator, wherein the first indicator is shared by a first part of a bitstream; determining a partitioning of an image area corresponding to the first part of the bitstream with binary tree (BT) splitting or ternary tree (TT) splitting when the first indicator takes a first value; and determining the partitioning of the image area corresponding to the first part of the bitstream without BT splitting and TT splitting when the first indicator takes a second value, wherein the first value is different from the second value.
    Type: Grant
    Filed: March 17, 2021
    Date of Patent: September 13, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Han Gao, Semih Esenlik, Jianle Chen, Anand Meher Kotra, Biao Wang, Zhijie Zhao
  • Track adapter and the driving power supply and track light thereof
    Patent number: 11441761
    Abstract: A track adapter has a mounting seat, an electrical supply column, an adjustment conductive portion, and an adjustment knob, and a drive mechanism. As to the track adapter and the driving power supply with the track adapter and the track light, the lamp holder of the track lamp can wrap the whole track, which is neat and beautiful, and solve the problem of difficult phase adjustment of adaptor in the prior art at the same time. The phase adjustment knob is shrunk and put on the top of the adaptor, which solves the adjustment problem and adapts to more occasions, so that the structural design of the track lamp is more flexible.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: September 13, 2022
    Assignee: Self Electronics Co., Ltd.
    Inventors: Jun Yang, Jianguo Dong, Liang Ying, Biao Wang
  • ENCODER, A DECODER AND CORRESPONDING METHODS OF FILTER MODIFICATION ON GENERAL INTRA PREDICTION PROCESS
    Publication number: 20220286684
    Abstract: The general intra prediction process is unnecessarily complicated with inclusion of the reference sample filtering. This application provides solutions for this problem. A method for intra prediction is provided. The method includes: during an intra predicted sample generation stage, obtaining a filtering indication, which indicates whether a filtered value or an unfiltered value of reference samples of the current coding block will be used. When the value of the filtering indication is true, a prediction sample is generated by using the filtered value of the reference samples based on the planar mode. When the value of the filtering indication is false, a prediction sample is generated by using the unfiltered value of the reference samples based on the planar mode. As a result, the reference sample filtering stage can be fully removed or can be combined with other stage.
    Type: Application
    Filed: March 1, 2022
    Publication date: September 8, 2022
    Inventors: Biao WANG, Semih ESENLIK, Anand Meher KOTRA, Han GAO, Elena Alexandrovna ALSHINA
  • ENCODER, A DECODER AND CORRESPONDING METHODS RELATED TO INTRA PREDICTION MODE
    Publication number: 20220286690
    Abstract: 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: Application
    Filed: May 27, 2022
    Publication date: September 8, 2022
    Inventors: Biao WANG, Semih ESENLIK, Han GAO, Anand Meher KOTRA, Elena Alexandrovna ALSHINA