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公开(公告)号：US20220156583A1
公开(公告)日：2022-05-19
申请号：US17430192
申请日：2020-03-12
Applicant: University of Science and Technology of China , Beijing Research Institute, University of Science and Technology of China
Inventor： Yongdong Zhang , Zhihua Shang , Hongtao Xie , Yan Li
Abstract: A method of generating a classifier by using a small number of labeled images includes: pre-training a wide residual network by using a set of labeled data with a data amount meeting requirements, and determining portions of the pre-trained wide residual network except for a fully connected layer as a feature extractor for an image; randomly selecting, for a N-class classifier to be generated, N classes from a training set for each of a plurality of times; and for N classes selected each time: randomly selecting one or more images from each class of the N classes as training samples; extracting a feature vector from training samples of each class by using the feature extractor; inputting a total of N feature vectors extracted into a classifier generator; and sequentially performing a class information fusion and a parameter prediction for the N-class classifier by using the classifier generator.
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公开(公告)号：US12192449B2
公开(公告)日：2025-01-07
申请号：US18624948
申请日：2024-04-02
Inventor： Zhuoyi Lv , Li Li , Houqiang Li , Haitao Yang
IPC: H04N19/105 , H04N19/139 , H04N19/172 , H04N19/176 , H04N19/52 , H04N19/527 , H04N19/54
Abstract: An image prediction method and device are disclosed. The method includes: obtaining a first reference unit of an image unit, where respective predicted images are obtained for the image unit and the first reference unit by using a same affine model; obtaining motion information of basic motion compensation units at two or more preset positions of the first reference unit; and obtaining motion information of a basic motion compensation unit of the image unit according to the motion information. In this way, motion information of the first reference unit using a same affine motion prediction model is reused, and a more accurate motion vector of a current image unit is obtained, improving prediction accuracy and maintaining encoding and decoding complexity, thereby improving encoding and decoding performance.
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公开(公告)号：US12177470B2
公开(公告)日：2024-12-24
申请号：US17221184
申请日：2021-04-02
Inventor： Feng Wu , Ning Yan , Dong Liu , Houqiang Li , Haitao Yang
IPC: H04N19/51 , H04N19/176 , H04N19/42 , H04N19/80
Abstract: Embodiments of this application disclose an interpolation filter training method and apparatus, a video picture encoding and decoding method, an encoder, and a decoder. According to the training method, a first sub-pixel picture obtained through interpolation by using a conventional interpolation filter is used as label data, to train a second interpolation filter, so that the second interpolation filter obtained through training can be directly used for a pixel value, obtained through interpolation, of a first fractional pixel position. Therefore, the label data is more accurate, and coding performance of a video picture is improved. According to the encoding method, during inter prediction, a target interpolation filter used for a current encoding picture block is determined from a set of candidate interpolation filters, and the encoder selects, according to content of the current encoding picture block, an appropriate interpolation filter to perform an interpolation operation.
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公开(公告)号：US20240416332A1
公开(公告)日：2024-12-19
申请号：US18429338
申请日：2024-01-31
Inventor： Yi Yang , Fengxian Xu , Yunfei Xu , Xinglin Lu
IPC: B01J31/06 , B01J37/04 , B01J37/30 , C02F1/72 , C02F101/30
Abstract: The present disclosure belongs to the field of water treatment, and specifically relates to a positively charged quaternary ammonium salt polymer catalyst and its preparation method and an application thereof. The catalyst provided by the present disclosure is prepared from a positively charged quaternary ammonium salt precursor through polymerization and anion exchange, wherein the positively charged quaternary ammonium salt precursor is the reaction product of an acrylate and a haloalkane; the acrylate is selected from the group consisting of dimethylaminoethyl acrylate, dimethylaminoethyl methacrylate, ethyl 3-(dimethylamino)acrylate and a mixture thereof; the haloalkane is selected from the group consisting of bromoundecane, bromododecane, bromotetradecane, bromohexadecane, bromoeicosane, chlorododecane, chlorotetradecane, chlorohexadecane, and a mixture thereof. The catalyst provided by the present disclosure has good stability and antibacterial property, can efficiently and selectively catalyze peroxide to degrade organic pollutants, which has important practical significance for removing wastewater rich in organic pollutants, and it has a wide range of application prospects in water pollution control and water environment restoration.
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5.发明公开公开(公告)号：US20240352502A1
公开(公告)日：2024-10-24
申请号：US18682241
申请日：2022-07-01
Inventor： Guangming HUANG , Liujuan ZHAN , Zhuanghao HOU
CPC classification number: C12Q1/04 , G01N1/30 , G01N1/34 , G01N33/6848
Abstract: A method for identifying a bacterium in a biological sample, and a method for testing antibiotic susceptibility of a bacterium in a biological sample, comprising: step (1), centrifugally separating the bacterium from the biological sample; step (2), staining the bacterium obtained in step (1); step (3), fixing the stained bacterium in step (2) by electrostatic adsorption; step (4), injecting an extraction solution into a capillary tip, and then extracting metabolites of the single living bacterium by in-situ extraction; step (5), inserting an electrode into the capillary obtained in step (4), applying a voltage, and performing mass spectrometry. The method does not depend on incubation, and the identification and the antibiotic susceptibility testing of a bacterium in a biological sample of an early bacterial infection can be realized, and the method has the advantages of being rapid, having high sensitivity, capable of performing a non-targeting analysis, etc., and has good application prospects.
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Patent Agency Ranking
公开(公告)号：US20240304354A1
公开(公告)日：2024-09-12
申请号：US18666581
申请日：2024-05-16
Inventor： Mengxiang Zhang , Chao Yang , Yiheng Lin , Jiangfeng Du
CPC classification number: G21K1/006 , G02B17/023 , G02B27/286
Abstract: A particle trap system is provided, to resolve a problem of complex particle addressing in a conventional technology, and can be used in fields such as quantum computing. The particle trap system may include a trapping module, a first optical splitting module, and a first relative delay module. The trapping module is configured to trap at least two particles. The first optical splitting module is configured to split a received light beam into a first light beam and a second light beam. The first relative delay module is configured to adjust a delay amount for the first light beam and the second light beam to reach a first target particle, where an adjusted first light beam and an adjusted second light beam overlap at the first target particle, and the first target particle is at least one particle in the trapping module.
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公开(公告)号：US20240279614A1
公开(公告)日：2024-08-22
申请号：US18652960
申请日：2024-05-02
Inventor： Gang ZHAO , Conghui TIAN , Lingxiao SHEN
CPC classification number: C12N5/0682 , A01N1/0221 , A01N1/0231 , A01N1/0284 , C12N2500/25 , C12N2501/11 , C12N2501/235 , C12N2501/31 , C12N2529/00 , C12N2531/00
Abstract: Methods for cryopreservation and resuscitation of follicles are provided by the present disclosure, relating to the technical field of follicular cryopreservation. According to the method for cryopreserving follicles provided by the present disclosure, follicles are firstly encapsulated with Alginate hydrogel, and incubated in protectant A and B. and moved into a protective solution A for incubation. Follicles encapsulated in hydrogel microcapsules are then loaded into straws and immediately submerged into liquid nitrogen for cryopreservation. Then, they are rapidly warmed by a 37° C. water bath combined with nano-warming technique. To verify the preservation effect, the warmed preantral follicles are further cultured in vitro in three dimensions.
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8.发明公开公开(公告)号：US20240243725A1
公开(公告)日：2024-07-18
申请号：US18562534
申请日：2021-06-21
Inventor： Chengjie ZUO , Fuhong LIN , Ziying WU , Kai YANG
CPC classification number: H03H9/25 , H03H3/10 , H03H9/02834
Abstract: The present disclosure provides an acoustic resonator based on a high crystallinity doped piezoelectric thin film, including: a substrate; a seed layer arranged on the substrate, wherein the substrate and the seed layer form a Bragg reflection structure; a doped layer arranged on the seed layer; and a metal electrode arranged on the doped layer; wherein the seed layer is configured to increase a lattice matching degree between the doped layer and the substrate, and configured to reflect a sound wave emitted by the doped layer. The present disclosure further provides a method for preparing the acoustic resonator described above.
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9.发明公开公开(公告)号：US20240168942A1
公开(公告)日：2024-05-23
申请号：US18543440
申请日：2023-12-18
Inventor： Wenshuai Zhang , Jing Li
CPC classification number: G06F16/2365 , G06F16/2255
Abstract: The present disclosure provides a method for hierarchically pruning data in a blockchain transaction, which comprises: acquiring a transaction data set; performing N rounds of pruning on the transaction data set based on a data pruning model to obtain a target data set; and performing processing on the target data set to obtain a target value, wherein the target value is configured as the transaction identification number used when the target data set is on-chain. Based on the customized data pruning model, part of the data in the transaction (e.g., Unlocking-Scripts and Locking-Scripts) can be easily pruned in the process of network transmission, internal storage, or construction of a new transaction (especially the Unlocking-Scripts therein) without affecting the process of verifying the data of other parts of the transaction data, which significantly improves the efficiency of UTXO-based blockchains.
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公开(公告)号：US20240072327A1
公开(公告)日：2024-02-29
申请号：US18453847
申请日：2023-08-22
Applicant: Huawei Digital Power Technologies Co., Ltd. , University of Science and Technology of China
Inventor： Lei Chen , Cong Cheng , Jie Xie , Cheng Xiong , Zhuangzhuang Jia , Qingsong Wang , Wenxin Mei
IPC: H01M10/63 , A62C3/16 , A62C37/40 , H01M10/48 , H01M10/613 , H01M10/6554 , H01M10/6556 , H01M10/6568 , H01M50/209 , H01M50/342
CPC classification number: H01M10/63 , A62C3/16 , A62C37/40 , H01M10/482 , H01M10/486 , H01M10/613 , H01M10/6554 , H01M10/6556 , H01M10/6568 , H01M50/209 , H01M50/3425 , H01M2200/10 , H01M2200/20 , H01M2220/20
Abstract: This application discloses a battery box. The battery box includes a controller, a first sensor, and a spraying apparatus and an extinguishing agent pipeline that are located above a battery module. The controller is electrically connected to the first sensor and the spraying apparatus. The spraying apparatus is connected to the extinguishing agent pipeline. The first sensor is configured to detect a temperature of the battery box, and send a first electrical signal to the controller. The controller is configured to control the spraying apparatus to spray an extinguishing agent to the battery module. According to the solution of this application, when thermal runaway occurs in the battery box, and the temperature exceeds a set threshold, a fire may be extinguished in time, to avoid spreading of the fire and reduce a loss.
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