baber/WOPTO huggingface dataset:
Patent WO-2021017998-A1 (WO)
Title: Method and system for positioning text position, and method and system for training model
Inventor: GU LIXIN
IPC: G06K9/20
Filed: 2020-07-23
Abstract: A method for positioning a text position in an image, comprising: acquiring a prediction image sample; determining, by means of a deep neural network-based pre-trained text position detection model, a final text box for positioning a text position in the said image sample, the text position detection model comprising a feature extraction layer, a candidate region recommendation layer, cascaded multi-level text box branches, and a mask branch. The feature extraction layer extracts features of the prediction image sample, so as to generate a feature map; the candidate region recommendation layer determines, on the basis of the feature map, a predetermined number of candidate text regions in the prediction image sample, the cascaded multi-level text box branches predict a candidate horizontal text box on the basis of the features, corresponding to the candidate text regions, in the feature map; and the mask branch predict mask information of the text in the candidate horizontal text box on the basis of the features, corresponding to the candidate horizontal text box, in the feature map, and determines, according to the mask information, the final text box for positioning the text position in the prediction image sample.
Patent WO-2021018068-A1 (WO)
Title: Radio link monitoring method and communication device
Inventor: ZHANG JINFANG
IPC: H04L1/18
Filed: 2020-07-25
Abstract: The present application provides a radio link monitoring method and a communication apparatus, can be applied to the Internet of Vehicles for V2X communication, LTE-V communication, V2V communication or the like, or can be applied to fields such as intelligent driving and intelligent connected vehicles, and can solve the problem of failing in radio link monitoring for a radio link such as a side link between two or more terminal devices caused by the absence of a suitable reference signal. The method comprises: a first terminal device sends data or indication information to a second terminal device; and the first terminal device determines, according to whether the second terminal device sends feedback information for the data or indication information, whether to report radio link failure (RLF) information. By using embodiments of the present application, a monitoring operation for a radio link such as a side link between two or more terminal devices can be implemented, thereby expanding the application range of the radio link monitoring technology and improving the practicability of the radio link monitoring technology.
Patent WO-2021018238-A1 (WO)
Title: Dihydropyrimidine derivatives and uses thereof in the treatment of hbv infection or of hbv-induced diseases
Inventor: JIANG YIMIN
IPC: A61K31/4985
Filed: 2020-07-30
Abstract: Provided herein are dihydropyrimidine derivatives which are useful in the treatment or prevention of HBV infection or of HBV-induced diseases, more particularly of HBV chronic infection or of diseases induced by HBV chronic infection, as well as pharmaceutical or medical applications thereof.
Patent WO-2021114694-A1 (WO)
Inventor: REN XIAOFENG
IPC: C12P19/16
Filed: 2020-08-04
Abstract: Provided is a method for preparing arrowhead resistant starch by ultrasound synergistic pullulanase, wherein the method comprises the following steps: (1) cleaning and arranging the arrowhead; (2) extracting starch from the arrowhead; (3) preparing the resistant starch; (4) performing enzymolysis in an ultrasonic field, and freeze-drying to obtain the arrowhead resistant starch. In the preparation process of the arrowhead resistant starch by the pullulanase method, the method accelerates the movement of solvent molecules through the cavitation and mechanical vibration of the ultrasonic wave, and solves the problem of low enzymatic hydrolysis reaction efficiency in the preparation process of the resistant starch by the enzymatic method.
Patent WO-2022027343-A1 (WO)
Title: Electronic keys for electronic locks and methods of using the same
Inventor: MIN HAO
IPC: E05B47/00
Filed: 2020-08-05
Abstract: A set of electronic keys (200) for an electronic lock (100) is disclosed. The set of electronic keys (200) includes at least one passive electronic key (2002) having a passive digital key, and at least one active electronic key (2001) having an active digital key. Each of the passive and active electronic keys (2001, 2002) includes a communication channel (20151, 20152) and an electronic key power supply port (20161, 20162). The active electronic key (2001) includes electrical power source (206) providing electrical power supply to the active electronic key (2001) itself, the electronic lock (100) and the passive electronic key (2002) through the electronic lock (100) to operate the electronic lock (100). When both active and passive electronic keys (2001, 2002) are inserted into respective electronic keyholes (101) of the electronic lock (100), both active and passive digital keys are transmitted to the electronic lock (100), the electronic lock (100) can be locked and unlocked only when both active and passive digital keys received match prestored active and passive digital keys respectively.
Patent WO-2022027532-A1 (WO)
Title: High temperature-resistant and high-strength thixotropic gel leakage inhibitor, preparation method therefor and use thereof
Inventor: BAI YINGRUI
IPC: C09K8/42
Filed: 2020-08-07
Abstract: The present invention provides a high temperature-resistant and high-strength thixotropic gel leakage inhibitor, a preparation method therefor and use thereof. Said gel leakage inhibitor comprises the following raw material components in percentage by mass: 8-20% of an acrylamide monomer, 0.05-0.5% of an active polymer, 0.1-1.0% of an organic polymer cross-linking agent, 3.0-8.0% of a resin toughening agent, 1.0-5.0% of a flow regulator, 0.01-0.5% of a cross-linking regulator, and the balance of water. The gel solution of the present invention has low apparent viscosity during a shear flow process, and is easy to pump into a wellbore and enter formation leakage passage; and after the pumping is stopped, the viscosity of the gel solution increases rapidly, and the gel solution has a strong adhesive force, is easy to reside in the leakage passage, and forms a high-strength isolation layer to isolate the wellbore from the formation, so as to prevent a drilling fluid from continuing to leak. The gel leakage inhibitor of the present invention has the advantages of high temperature resistance, high strength and thixotropy, and can be used to solve the problem of wellbore leakage of deep fractured leakage formations at high-temperature.
Patent WO-2021088453-A1 (WO)
Inventor: GAO YANFENG
IPC: G01R27/26
Filed: 2020-08-17
Abstract: Disclosed are a dielectric state analysis method and system, a computer and a storage medium. The method comprises: iteratively calculating a simulated imaginary part integral according to a real part interpolation step size until the simulated imaginary part integral is less than a preset resolution, and comparing the simulated imaginary part integral with an actual imaginary part integral to obtain conductance information and polarization process real part information; iteratively calculating a simulated real part integral according to an imaginary part interpolation step size until the simulated real part integral is less than the preset resolution, and comparing the simulated real part integral with an actual real part integral to obtain capacitance information and polarization process imaginary part information; and finally obtaining a dielectric state according to the conductance information, the polarization process real part information, the capacitance information and the polarization process imaginary part information. In this way, a dielectric state can be accurately analyzed and determined, incorrect identification, omitted identification and erroneous identification are avoided, and the operation and maintenance costs of a power device are saved.
Patent WO-2021032192-A1 (WO)
Title: Format verification method and system for certificate-storing smart contract, computer equipment and readable storage medium
Inventor: QIU WEIWEI
IPC: G06F21/64
Filed: 2020-08-21
Abstract: A format verification method and system for a certificate-storing smart contract, a computer equipment and a readable storage medium. The method comprises: obtaining a certificate-storing smart contract, adding a contract format and specifications, and verifying a contract model. The method provides a blockchain smart contract developer with a format verification method for a certificate-storing smart contract, and provides a secure reference for a blockchain on which certificate-storing items for smart contract developing are loaded. By means of the format verification method, the format and specifications are defined at the front part of the method body of the certificate-storing smart contract, and are converted into a mathematical model that can be recognized by a theorem prover, and the format verification result is obtained by using mathematical deductions, which improves the security and reliability of the certificate-storing smart contract, reduces testing costs for traditional contract testing, and has a wide logical coverage area. The described method is versatile with regard to certificate-storing smart contracts, provides the most basic certificate-storing contract model and format verification method therefor, provides relevant reference for the expansion and optimization of the certificate-storing contract, and has good applicability.
Patent WO-2022007139-A1 (WO)
Title: Intelligent pen bluetooth driving circuit
Inventor: LU QIWEI
IPC: G06F3/0354
Filed: 2020-08-25
Abstract: An intelligent pen Bluetooth driving circuit, relating to the technical field of intelligent pens, and comprising: a power supply driving module; a pressure sensor; a processor, the processor comprising a first processor interface (a1), a second processor interface (a2), and a third processor interface (a3); a switching triode (Q1), a base end of the switching triode (Q1) being connected to the third processor interface (a3) so as to generate a switching operation based on a driving signal; and a Bluetooth module, the Bluetooth module being connected to a collector of the switching triode (Q1) and used for driving, after the switching triode (Q1) generates a closing operation, the Bluetooth module to transmit, by means of a transmitting antenna (E1), a signal sent to the Bluetooth module by the processor. By means of the intelligent pen Bluetooth driving circuit, a Bluetooth information sending operation can be rapidly started on the basis of a pressure signal.
Patent WO-2021109629-A1 (WO)
Inventor: MO XIANLE
IPC: F04D29/00
Filed: 2020-08-26
Abstract: Mécanisme d'oscillation pour un ventilateur et un ventilateur le comprenant. Le mécanisme d'oscillation pour un ventilateur comprend : une base (1) ; un ensemble de rotation (2) disposé de manière rotative sur la base (1), l'ensemble de rotation (2) comprenant un élément de liaison (21) disposé sur un corps d'un ventilateur (4) et un mécanisme de roulement (22) disposé sur l'élément de liaison (21), et une extrémité de roulement du mécanisme de roulement étant installée sur la base (1) ; et un mécanisme d'entraînement (3) disposé sur la base (1) et/ou l'ensemble de rotation (2), et utilisé pour entraîner l'ensemble de rotation (2) en rotation.
Patent WO-2021043299-A1 (WO)
Inventor: XU JIZHENG
IPC: H04N19/70
Filed: 2020-09-07
Abstract: La présente invention concerne un procédé de traitement vidéo. Le procédé consiste à réaliser une conversion entre un bloc vidéo actuel d'une image vidéo d'une vidéo et une représentation codée de la vidéo selon une règle d'attribution de mémoire tampon, la conversion faisant appel à un mode de copie intra-bloc (IBC) qui permet de calculer une prédiction du bloc vidéo actuel sur la base de valeurs d'échantillon à partir d'une même tranche vidéo que le bloc vidéo actuel et les valeurs d'échantillon étant déterminées par des vecteurs de blocs, la règle d'attribution de mémoire tampon spécifiant qu'une mémoire tampon virtuelle attribuée à la conversion à l'aide du mode IBC est supérieure à une taille minimale de mémoire pour stocker une partie de l'image vidéo recherchée pour déterminer les vecteurs de bloc.
Patent WO-2021082793-A1 (WO)
Inventor: HU GUOFENG
IPC: G09G3/3208
Filed: 2020-09-18
Abstract: 一种显示面板（100）及其驱动方法、显示装置。显示面板（100）包括：基板（110）和设置在基板（110）上的阵列排布的多个像素电路（150），多个像素电路（150）中的每个包括像素驱动芯片（122）以及与像素驱动芯片（122）电连接的至少一个发光元件（L），像素驱动芯片（122）配置为接收并存储数据信号以及根据数据信号驱动至少一个发光元件（L）发光。显示面板（100）可以在不增加走线的情况下，减少扫描次数，降低显示面板（100）的功耗。
Patent WO-2021088534-A1 (WO)
Inventor: XU JI
IPC: G06Q20/40
Filed: 2020-09-21
Abstract: Disclosed are a payment receiving account verification method and a device therefor. The method comprises: acquiring a complete account number corresponding to a payment receiving account to be verified; hiding at least one character in the complete account number to generate a missing-digit account number corresponding to the payment receiving account to be verified; displaying the missing-digit account number, and prompting a user to complete the plurality of characters; and comparing the account number, after completion, with the complete account number, and completing, according to a comparison result, verification of the payment receiving account to be verified. Therefore, a payer does not need to manually input the complete account number of the payment receiving account, and only the missing-digit account number corresponding to the payment receiving account needs to be completed, such that the length of characters input by the payer is reduced, the error possibility is reduced, the account number of the payment receiving party can be verified before the payer pays fees, and the payer can smoothly transfer payment money to the account of the payment receiving party.
Patent WO-2022041356-A1 (WO)
Inventor: LIU XINHE
IPC: G06T5/10
Filed: 2020-09-21
Abstract: A method, apparatus and device (7) for correcting an infrared image, and a refrigeration infrared imaging system. The method comprises: acquiring a plurality of frames of image, in which a cold reflection phenomenon occurs, which are collected by a refrigeration infrared imaging system (S101); acquiring an image to be corrected collected by the refrigeration infrared imaging system (S102); determining a picture state of the image to be corrected, wherein the picture states comprise a static state and a moving state (S103); and correcting, according to the picture state, the image to be corrected by using the plurality of frames of image, so as to obtain a corrected image (S104). A plurality of frames of image in which a cold reflection phenomenon occurs, and an image to be corrected are obtained, and whether a picture state of the image to be corrected is a static state or a moving state is determined, and then the image to be corrected is corrected according to different picture states and by using the plurality of frames of image in which the cold reflection phenomenon occurs, so as to eliminate a cold reflection phenomenon in the image to be corrected, thereby improving the image quality. Moreover, the optical design of a refrigeration infrared imaging system does not need to be improved, and the system is very simple and easily implemented.
Patent WO-2021093476-A1 (WO)
Title: 3d object slice layer printing method, 3d object printing method and printing device
Inventor: XIANG DONGQING
IPC: B33Y50/00
Filed: 2020-09-27
Abstract: A 3D object slice layer printing method, and a 3D object printing method and printing device. The 3D object slice layer printing method comprises: obtaining layer image data of a slice layer of an object to be printed; determining the limit radial distance between the slice layer and the center of a rotating support platform (1) according to the layer image data, wherein the limit radial distance comprises the minimum radial distance and/or the maximum radial distance; determining the boundary position of the uniform radial movement of a print head (2) according to an arc formed by using the center of the rotating support platform (1) as the center and the limit radial distance as the radius; and obtaining layer printing data of the slice layer and controlling the print head (2) to perform printing actions according to the boundary position and the layer printing data to obtain a layer printing result. The printing method and printing device can effectively reduce the ineffective movement area of the print head, improve the formation efficiency of the 3D object to be printed, and reduce the operating cost of a printer.
Patent WO-2022056954-A1 (WO)
Title: Enhanced anaerobic remediation reagent for chromium-contaminated site, preparation method, and usage method
Inventor: LI SHUCAI
IPC: C02F3/28
Filed: 2020-09-27
Abstract: An enhanced anaerobic remediation reagent for a chromium-contaminated site, a preparation method, and a usage method. The enhanced anaerobic remediation reagent comprises: vegetable oil, an emulsifier, glycerin, lactate, lactate ester, vitamin B12, diammonium phosphate, and water. The preparation method comprises: adding an emulsifier and glycerin to part of water, and heating to dissolve same to form a solution A; adding lactate, lactate ester, vitamin B12, and diammonium phosphate to the remaining part of water, and mixing same to form a solution B; stirring vegetable oil, the solution A, and the solution B for emulsification, and standing for discharging. The usage method comprises: mixing 6%-10% by volume of an enhanced anaerobic remediation reagent with 90%-94% by volume of hydrogen-containing water, and then injecting same into the soil or groundwater. The remediation reagent is efficient, long in sustained release time, environmentally friendly, and easy in material acquisition.
Patent WO-2021078002-A1 (WO)
Inventor: LI YINGJIE
IPC: G05D1/08
Filed: 2020-09-29
Abstract: 一种无人机（10）航向角初始值选取方法、装置及无人机（10）。方法包括获取无人机（10）的飞行环境信息（S21）；根据飞行环境信息，给定航向角初值（S22）；将传感器采集的传感器数据与航向角初值进行数据融合，得到修正后的航向角（S23）；根据修正后的航向角，确定无人机（10）的航向（S24）。方法通过获取无人机（10）的飞行环境信息，进而根据飞行环境信息来消除外界环境对磁力计的影响，使磁力计能够给出更为准确的航向角初值提供给无人机（10）进行数据融合，实现了无人机（10）在具有磁干扰的地面环境中起飞，航向角仍具有一定的准确程度，减少了无人机（10）在具有磁干扰地面环境中起飞的炸机概率，提高了飞行安全性。
Patent WO-2021212762-A1 (WO)
Title: 一种三维成型材料及其制备方法和应用
Inventor: HE XINGBANG
IPC: B33Y70/00
Filed: 2020-09-30
Abstract: 一种三维成型材料按照质量分数包括以下组分：单官能度聚氨酯低聚物5-50％、单官能度单体35-85％、多官能度化合物0-30％、光引发剂0.5-8％以及助剂0.2-5％；其中，所述单官能度聚氨酯低聚物含有环状基团，且所述单官能度聚氨酯低聚物中氨酯键的密度为3.3mol/Kg以上。该三维成型材料不仅打印流畅性佳，更具有收缩率低、低翘曲、不易拱起的优势，能够达到大幅改善打印成型效率、降低打印成本的目的。
Patent WO-2021073627-A1 (WO)
Inventor: ZHU ZHENYU
IPC: C12P19/34
Filed: 2020-10-17
Abstract: Provided is a method of using proteases including proteinase K, endoproteinase LysC and/or trypsin to control the activity of restriction enzymes and/or eliminate or reduce production of unwanted DNA or RNA fragments.
Patent WO-2022087777-A1 (WO)
Inventor: ZHENG FEIXIANG
IPC: F16D25/10
Filed: 2020-10-26
Abstract: L'invention concerne un élément de limitation de position pour un double embrayage qui comporte une partie corps cylindrique (41) et une pluralité de premières parties d'engrènement ; la première partie d'engrènement est agencée dans la partie de la partie corps (41) utilisée pour faire face aux moyeux internes (11, 21) des deux disques d'embrayage (1, 2) du double embrayage, et peut être engrenée par accouplement avec la seconde partie d'engrènement des moyeux internes (11, 21) ; ainsi, les moyeux internes des deux disques d'embrayage (1, 2) sont fixés de manière coaxiale par rapport aux éléments de limitation de position (4) au moins dans la direction circonférentielle et radiale (R) du double embrayage. L'invention concerne également un double embrayage comprenant l'élément de limitation de position et un procédé de pré-assemblage associé, ainsi qu'un procédé d'assemblage d'une transmission comportant ledit double embrayage. L'utilisation de l'élément de limitation de position empêche un mauvais alignement des cannelures des deux moyeux internes dans un double embrayage dans un état pré-assemblé et empêche le fait que le moyeu interne n'a pas le même axe qu'un manchon de raccordement, ce qui permet de résoudre le problème de ces conditions défavorables qui amènent le double embrayage à ne pas s'insérer sans problème sur l'arbre d'une transmission, et le processus d'installation du double embrayage est facilité.
Patent WO-2021196607-A1 (WO)
Title: 一种单级增焓转子压缩机及具有其的空调器
Inventor: XIA GUANGHUI
IPC: F04C29/12
Filed: 2020-11-04
Abstract: 一种单级增焓转子压缩机及具有其的空调器，单级增焓转子压缩机包括：至少一个单级气缸(1)，转子(2)，上法兰(3)和下法兰(4)，转子(2)设置于气缸(1)内部且能够进行转动，转子(2)与气缸(1)的内周壁之间形成压缩腔(10)，在上法兰(3)和/或下法兰(4)上开设有补气孔(5)，补气孔(5)能够将压缩机外部的气体直接补入压缩腔(10)中。在不增加额外气缸的基础上实现二级压缩，能够有效地加强制冷剂的循环，提高高温环境温度下的空调的制冷性能，同时减小了采用二级气缸而带来的功率升高的能耗，提高了系统的能效，且大幅降低压缩机的成本和功率，达到高能力、高能效、低成本的目的。
Patent WO-2021223392-A1 (WO)
Title: Floor standing air conditioner indoor unit
Inventor: LI YINGSHU
IPC: F24F13/08
Filed: 2020-11-10
Abstract: A floor standing air conditioner indoor unit, comprising: a housing (10); an air duct (20), which is provided in the housing (10), has an air inlet (23) and a first air outlet (21) that faces a first air supply port (11), and is used for guiding an airflow in the housing (10) to the first air supply port (11), the air duct's (20) inner wall (252) adjacent to the top edge and two lateral side edges of the first air outlet (21) being a flat surface extending from rear to front, the air duct's (20) inner wall (251) adjacent to the bottom edge of the first air outlet (21) comprising a bottom arc-shaped surface (2511) gradually inclined towards the horizontal central axis of the first air outlet (21) from rear to front and a bottom flat surface (2512) extending forward from the bottom arc-shaped surface, and the position of the air inlet (23) being lower than the first air outlet (21); and a flow guide member (30) configured to define an annular air outlet aperture with the air duct's (20) inner wall adjacent to the first air outlet (21). The floor standing air conditioner indoor unit has a strong wind power and provides a long air supply distance.
Patent WO-2022068049-A1 (WO)
Inventor: ZHENG WEIFENG
IPC: F16M11/04
Filed: 2020-12-08
Abstract: La présente divulgation concerne un stabilisateur de cardan, comprenant : une poignée, la poignée ayant un espace de réception, la poignée comprenant une première batterie ; un corps de stabilisateur auquel une charge peut être connectée, le corps de stabilisateur pouvant être placé dans l'espace de réception de la poignée ; et un premier orifice de charge, le premier orifice de charge étant connecté à la première batterie, de telle sorte que la charge couplée au premier orifice de charge peut être chargée. Au moyen des modes de réalisation de la présente invention, le volume d'un espace de réception pour un stabilisateur de cardan peut être réduit, améliorant la portabilité et la commodité d'utilisation, et le caractère pratique du stabilisateur de cardan.