baber/WOPTO huggingface dataset:
Patent WO-2021248679-A1 (WO)
Inventor: WANG HAO
IPC: H04L29/08
Filed: 2020-08-12
Abstract: The present invention belongs to the technical field of Internet of Vehicles applications. Specifically, disclosed is a binding method applied to a vehicle and a TBOX terminal, comprising the following steps: step 1, logging in to a pre-installed mini program of a mobile handheld device; step 2, scanning a two-dimensional code of a serial number of a vehicle; step 3, scanning a two-dimensional code of a TBOX terminal; step 4, automatically binding the vehicle to the TBOX terminal; step 5, the pre-installed mini program of the handheld device sending, to a backend platform, automatic binding data information completed after scanning; and step 6, the backend platform receiving the binding data, and storing the binding data information in a database of the backend platform. The beneficial effects of the binding method applied to a vehicle and a TBOX terminal of the present invention lie in that: the operation procedures thereof are rationally designed, fast and stable binding between the vehicle and the TBOX terminal can be achieved by means of a mini program, and accurate acquisition, analysis and processing of vehicle data information are completed by means of cooperation between the mini program and the backend platform in use, ensuring the safety and reliability of smart control of vehicles, and improving the efficiency of smart control of vehicles in the Internet of Vehicles.
Patent WO-2021042980-A1 (WO)
Title: Communication method and apparatus
Inventor: WANG YU
IPC: G01S19/21
Filed: 2020-08-18
Abstract: The present application relates to the technical field of communications. Disclosed are a communication method and apparatus, wherein same are used to solve the problem of a poor interference inhibition effect caused by closing satellite edge beams. The method comprises: a first satellite sending a first message to a second satellite, wherein the first message comprises information of a frequency multiplexing scheme, the information of the frequency multiplexing scheme comprises basic unit information, the basic unit information comprises center point positions and frequency information of at least N-1 beams, with N being a frequency multiplexing factor of the first satellite, and there are at least N-1 pieces of different frequency information in the frequency information, comprised in the basic unit information, of the at least N-1 beams, with N being a positive integer greater than or equal to three; and the second satellite adjusting, according to the basic unit information sent by the first satellite, a frequency multiplexing scheme of the second satellite. Satellites use a dynamic frequency multiplexing scheme to perform communication, such that interference between beams can be better avoided.
Patent WO-2022041262-A1 (WO)
Inventor: XIA GANG
IPC: G06Q50/26
Filed: 2020-08-31
Abstract: Provided is a big data-based method for calculating an anchor point of an urban rail transit user, comprising the steps: 1. obtaining calibration data of a rail transit line; 2. obtaining data of the positioning of a mobile phone of a resident; 3. using cluster analysis to determine an anchor point of the resident. In the big data-based method for calculating an anchor point of an urban rail transit user, a data source of the employment and residence anchors of the resident are determined, reflecting the long-term employment and residence behavior of a city resident, and connection with a rail-transit space unit is made; it is possible to calculate the number of people living and working, a work–residence ratio, a ratio of internal, inward, and outward commuting, commuting distance, and other indicators. In urban rail transit planning and management, the invention can be applied to new-district rail transit planning, old-district urban rail transit modifications, urban rail transit upgrades, and other fields. The anchor point calculation results determined by the big data-based method for calculating an anchor point of an urban rail transit user have a strong linear correlation and high confidence level, and are suitable for all types of statistical analysis.
Patent WO-2021043305-A1 (WO)
Title: Face mask and head-mounted display apparatus
Inventor: PENG CHENG
IPC: G02B27/01
Filed: 2020-09-07
Abstract: Provided are a face mask and a head-mounted display apparatus, wherein same relate to the technical field of wearable apparatuses, and are used for solving the problem of poor breathability of a face mask caused by the large thickness of a portion of the face mask that is attached to the face. The face mask comprises a support, an elastic supporting member, and an elastic piece attached to the face, wherein lens holes are provided in the support; the elastic piece attached to the face is connected to the support through the elastic supporting member; the middle of the elastic piece attached to the face is recessed towards the support; eyepiece holes opposite the lens holes are provided in the elastic piece attached to the face; and a nose pad portion is arranged in the middle of the lower side edge of the elastic piece attached to the face. The head-mounted display apparatus comprises the face mask and a display apparatus connected to the face mask. In the face mask, the elastic piece attached to the face can be deformed under the action of an external force, such that the elastic piece attached to the face can be attached to faces of different shapes; therefore, there is no need to provide a plurality of layers of foam, the thickness of a portion of the face mask that is attached to the face is reduced, and the breathability of the face mask is improved.
Patent WO-2021135371-A1 (WO)
Title: Automatic driving method, related device and computer-readable storage medium
Inventor: LIU JIQIU
IPC: G06V20/56
Filed: 2020-09-09
Abstract: An automatic driving method, a related device and a computer-readable storage medium. The method is applied to a cloud server, and the method comprises: receiving vehicle attribute information and travel information of a target vehicle that are reported by the target vehicle (S202), wherein the vehicle attribute information of the target vehicle is used for generating an automatic driving policy; according to the travel information, acquiring, in an automatic driving policy map layer, map layer information of a first road section on which the target vehicle travels (S204); acquiring a first driving policy according to the map layer information of the first road section and the vehicle attribute information of the target vehicle (S206); and sending the first driving policy to the target vehicle (S208). The method can reduce the risks of automatic driving.
Patent WO-2021077932-A1 (WO)
Title: Method for preventing laser from feeding back light
Inventor: SHI JIANHONG
IPC: H01S3/00
Filed: 2020-09-10
Abstract: Disclosed is a method for preventing a laser from feeding back light, the method comprising: welding a target optical fiber (2) to an output optical fiber (1) of a laser, such that laser light generated by the laser is output by the target optical fiber (2), wherein the refractive index of a fiber core (11) of the output optical fiber (1) of the laser is lower than the refractive index of a fiber core (21) of the target optical fiber (2). When feedback light from the laser light generated by the laser is reversely transmitted to a welding surface of the output optical fiber (1) and the target optical fiber (2) by means of the target optical fiber (2), the feedback light is transmitted in a transmission direction of the laser light due to total reflection caused by refractive index difference of the welding surface, and the situation wherein the feedback light enters the output optical fiber (1) in a transmission direction opposite to that of the laser light, and in turn enters a resonant cavity of the laser to damage the laser or burn out a gain optical fiber is prevented, thereby ensuring the normal operation of devices in the laser and of the laser.
Patent WO-2021128962-A1 (WO)
Title: 一种像素电路和显示面板
Inventor: ZHAO DONGFANG
IPC: G09G3/3225
Filed: 2020-09-14
Abstract: 一种像素电路(100)和显示面板(10)，其中像素电路(100)包括数据写入模块(110,210)、驱动模块(120,220)、存储模块(130,230)、第一发光控制模块(140,240)、第二发光控制模块(150,250)、发光模块(160,260)和第一初始化模块(171,271)；第一初始化模块(171,271)包括控制端、第一端和第二端，第一初始化模块(171,271)的第一端与第二发光控制信号输入端(EM2)电连接，第一初始化模块(171,271)的第二端与驱动模块(120,220)的控制端电连接；或者，像素电路(100)包括初始化电压输入端(Vref)，第一初始化模块(171,271)的第一端与初始化电压输入端(Vref)电连接，第一初始化模块(171,271)的第二端与驱动模块(120,220)的控制端电连接，第一初始化模块(171,271)设置为在第一初始化模块(171,271)的控制端输入的控制信号的控制下，对驱动模块(120,220)的控制端进行初始化。
Patent WO-2022027787-A1 (WO)
Inventor: GONG JIXIANG
IPC: G09G3/20
Filed: 2020-09-15
Abstract: L'invention concerne un panneau d'affichage (100) et un procédé d'attaque associé. Des fréquences de rafraîchissement d'une première zone d'affichage (11) et d'une seconde zone d'affichage (12) sont respectivement ajustées au moyen d'un premier circuit GOA (13) et d'un second circuit GOA (14) de telle sorte que la consommation d'énergie de la première zone d'affichage (11) et de la seconde zone d'affichage (12) est contrôlée. Ainsi, la stabilité et la définition d'une image d'affichage du panneau d'affichage (100) peuvent être garanties sans augmenter la consommation d'énergie du panneau d'affichage (100).
Patent WO-2021068840-A1 (WO)
Title: Heterogeneous embedded method and device for tabular processing and execution of operation flow
Inventor: JIANG ZHIFENG
IPC: G05B19/04
Filed: 2020-09-30
Abstract: A heterogeneous embedded method and device for tabular processing and execution of an operation flow, said method is characterized by: creating an operation flow table by means of a method and a device for tabular processing of an operation flow (S1); sequentially acquiring flow steps of the operation flow (S2); combining, according to a predetermined flow step sequence combination rule, continuous flow steps in the operation flow into a flow step sequence correspondingly having corresponding operation flow types (S3); and further on the basis of a predetermined row generation rule corresponding to the flow step sequence having the operation flow types, sequentially generating, in the operation flow table, operation flow table rows corresponding to the flow step sequence (S4), and outputting a final operation flow table until processing of all the flow steps is completed. Further, the action flow table is executed by means of the method and the device for executing the action flow with regard to the action flow table. The processing of the operation flow can make editing, processing and execution of a complex operation flow more simple and efficient.
Patent WO-2021083302-A1 (WO)
Title: Aromatic-enriched distillate oil processing method and system
Inventor: YANG QINGHE
IPC: C10G67/02
Filed: 2020-10-30
Abstract: An aromatic-enriched distillate oil processing method and system, comprising: introducing aromatic-enriched distillate oil (20) into a third reaction unit (21) to undergo hydrogenation saturation and then fractionation to obtain a first light component and a first heavy component (22); introducing deoiled asphalt (4) and an aromatic hydrocarbon-containing material flow to a hydrogen dissolution unit (23) to mix with hydrogen, and introducing the mixed material to a first reaction unit (7) to undergo a hydrogenation reaction, the first reaction unit (7) being a liquid-phase hydrogenation reaction unit; performing fractionation on a liquid-phase product from the first reaction unit (7) to obtain a second light component (8) and a second heavy component (9); introducing the second light component (8) to a second reaction unit (10) to undergo a reaction; and introducing the second heavy component (9) to a delayed coking unit (11) to undergo a reaction; or taking the second heavy component (9) as a low-sulfur marine fuel oil component. The processing process can implement high-value utilization of DOA.
Patent WO-2021135604-A1 (WO)
Inventor: HE XIONGHUI
IPC: H04N21/40
Filed: 2020-10-30
Abstract: 一种语音控制方法、装置、服务器、终端设备及存储介质，属于终端技术领域，所述方法包括：接收第一终端发送的语音指令识别结果（S301）；对语音指令识别结果进行语义处理，得到操作信息，操作信息包括第一语义指令和第二语义指令（S302）；将第一语义指令和第二语义指令发送至第一终端，第一语义指令用于指示第一终端将第二语义指令发送至第二终端（S303）；接收所述第二终端识别所述第二语义指令后反馈的执行命令，并根据所述执行命令将与所述第二语义指令对应的业务逻辑发送至所述第二终端（S304）。所述方法可以解决针对多个设备联合对话时，对话管理会对用户的任务指令进行多个阶段的重复处理，而延长系统响应时间及增加对话时延的问题。
Patent WO-2022088057-A1 (WO)
Inventor: GUO YUANJI
IPC: A61K8/84
Filed: 2020-10-30
Abstract: L'invention concerne une composition de conditionnement de matières kératiniques comprenant (A) des particules sphériques de silice modifiée par lipophilie, (B) au moins un polymère cationique comprenant un polymère de cellulose cationique (BF1) et (C) au moins un épaississant comprenant un épaississant de rafraîchissement (C-1) choisi dans le groupe constitué par les polymères de vinyle.
Patent WO-2022088154-A1 (WO)
Title: 一种电动汽车的扭矩控制方法、装置、设备及其存储介质
Inventor: HU FENGWEI
IPC: B60L15/20
Filed: 2020-10-31
Abstract: 一种电动汽车的扭矩控制方法、装置、设备及其存储介质，该扭矩控制方法可以使控制器快速输出满足驾驶员动力需求的扭矩信息。该扭矩控制方法包括：获取电动汽车的运行信息，电动汽车的运行信息中至少包括汽车当前的车速信息、加速踏板开度变化率以及加速踏板开度值，加速踏板开度变化率为单位时间内加速踏板开度值的变化率；基于运行信息以及预先设定的用于表征电动汽车的运行信息与修正扭矩信息关系的对象，确定电动汽车的修正扭矩信息，用于表征电动汽车运行信息与修正扭矩信息关系的对象是利用电动汽车的历史运行信息确定的；基于修正扭矩信息对输出给电动汽车中电动机的扭矩进行控制。
Patent WO-2021103963-A1 (WO)
Title: Pcb 铝片下料机构
Inventor: HE MAOSHUI
IPC: H05K3/00
Filed: 2020-11-04
Abstract: 本发明涉及一种PCB铝片下料机构，属于PCB领域，其包括机架，机架上水平设置有输送机构，输送机构由第一输送机构和第二输送机构拼合而成，基座上设置有分离条和导轴，导轴可转动地设置于第二输送机构的下方，分离条靠近第二输送机构的一侧固定设置有连接皮带，连接皮带远离分离条的一端绕过导轴延伸至第二输送机构的下方的收集腔中；机架上还可上下移动地设置有抓取机构。本发明可以将铝片收集到第二输送机构的下方，以利用第二输送机构的下方的空间减少本发明在水平方向的空间占有率。另外，本发明使用分隔板分离铝片的方式对PCB板的铝片进行分离，可以避免铝片偏转划伤PCB板以及避免因铝片掉落而对PCB板造成损伤。
Patent WO-2021093769-A1 (WO)
Title: Spatial distribution and source analysis method and device for heavy metals in cultivated soil
Inventor: HU YUEMING
IPC: G01N21/64
Filed: 2020-11-11
Abstract: A spatial distribution and source analysis method and device for heavy metals in cultivated soil. The method comprises: on the basis of GPS positioning, uniformly selecting corresponding regions for cultivated soil sample sampling, and obtaining cultivated soil samples (S11); performing data extraction processing on the cultivated soil samples to obtain extraction data (S12), the extraction data comprising heavy metal concentration data and soil pH value data, and heavy metals comprising Cd, Hg, Pb, Cr, and As; and performing spatial distribution and source analysis processing on the heavy metals in the cultivated soil on the basis of the extraction data, and obtaining spatial distribution characteristics and source correlation of the heavy metals in the cultivated soil (S13). A heavy metal space simulation diagram of the cultivated soil obtained by the method basically conforms to actual spatial distribution; quantitative analysis is performed on the heavy metal source and the contribution of the cultivated soil, thereby providing an effective theoretical basis for identifying and controlling the heavy metal source of the soil.
Patent WO-2021104365-A1 (WO)
Inventor: KUANG WEI
IPC: G06F3/048
Filed: 2020-11-26
Abstract: 本发明实施例公开了一种对象分享方法及电子设备，涉及通信技术领域。该方法包括：显示信息显示区和N个图标显示区，N为正整数；接收对该信息显示区和该N个图标显示区中的目标图标显示区的第一输入；响应于该第一输入，将该信息显示区中的目标对象分享至目标应用程序中的目标联系人，该目标应用程序为该目标图标显示区中显示的图标关联的应用程序。
Patent WO-2022110024-A1 (WO)
Inventor: CONG XIAO QING
IPC: F16D1/108
Filed: 2020-11-27
Abstract: 用于长轴泵的防振动型联轴结构，包括第一半联轴器、第二半联轴器和位于第一半联轴器、第二半联轴器之间的加强板，所述的加强板上设有若干个呈环形阵列的腰型槽，第一半联轴器的底部设有第一圆弧插销和第一圆弧凹槽，第二半联轴器上设有与腰型槽和第一圆弧凹槽配合相连的第二圆弧插销和与腰型槽和第一圆弧插销配合相连的第二圆弧凹槽。本防振动型联轴结构对电机轴和泵轴的连接部位起到防振动作用，在联轴结构中加装了加强板和密封橡胶圈，解决了联轴结构由于第一半联轴器和第二半联轴器配合不充分而导致接触面发生磨损的问题，提高了联轴结构的使用寿命。
Patent WO-2021139443-A1 (WO)
Inventor: MA LING
IPC: G06F11/10
Filed: 2020-11-27
Abstract: 一种数据访问控制方法及装置。在该方法中，从指令执行装置获取应用针对数据存储单元的数据访问命令以及ECC属性信息，所述数据访问命令包括待访问的物理地址。数据访问控制装置根据ECC属性信息确定在进行数据访问时是否执行ECC校验。在ECC属性信息指示需要执行ECC校验时，数据访问控制装置根据物理地址来对数据存储单元执行具有ECC校验的数据访问操作。在ECC属性信息指示不需要执行ECC校验时，数据访问控制装置根据物理地址来对数据存储单元执行不具有ECC校验的数据访问操作。利用该方法，可以降低数据访问操作时的系统功耗，并且提升数据访问处理的吞吐量。
Patent WO-2021189926-A1 (WO)
Title: 业务模型训练方法、装置、系统及电子设备
Inventor: QIU WEIFENG
IPC: G06N20/10
Filed: 2020-11-30
Abstract: 业务模型的训练方法、装置、系统及电子设备，数据提供方和数据使用方各自迭代各自模型单元的模型参数，双方模型单元的模型参数共同构成了业务模型的模型参数。在迭代后，数据提供方可将第一样本数据输入至第一模型单元，得到中间结果，并将中间结果发送给数据使用方。数据使用方可将中间结果和第二样本数据输入至第二模型单元，并基于第二模型单元输出的预测结果和标签确定是否接受本次迭代的模型参数，若接受，则双发各自进行下次模型参数的迭代更新。若不接受，则双方回退至上次迭代的模型参数，继续下次模型参数的迭代更新，直至业务模型收敛，从而实现防止个人数据泄露的情况下，丰富数据使用方的数据的特征维度。
Patent WO-2021135934-A1 (WO)
Title: Blockchain accounting method and apparatus, node and storage medium
Inventor: CHENG QIANG
IPC: G06F16/22
Filed: 2020-12-15
Abstract: A blockchain accounting method and apparatus, a node and a storage medium. The blockchain accounting method comprises: an application chain miner participating in the election of proposal group members of a block to be mined, and if the application chain miner is elected as a proposal group member, sending a mining request to base chain miners; the application chain miner synchronizing base chain block information, and including same in a local base chain ledger, wherein the base chain block information comprises a result of the base chain miners electing a proposal group leader according to the mining request; the application chain miner participating in the election of verification group members of the block to be mined, and if the application chain miner is elected as a verification group member, verifying a block provided by the proposal group leader and broadcasting a check report; and the application chain miner receiving the check report, and if it is determined, according to the check report, that the block provided by the proposal group leader passes the verification, including the block in an application chain ledger. In the method, a mechanism of a base chain and an application chain jointly participating in mining is proposed, which is conducive to solving the problem of a waste of mining machine resources.
Patent WO-2021121413-A1 (WO)
Title: 视频推送及传输方法、视角同步方法及装置、存储介质
Inventor: LIU BO
IPC: H04W36/00
Filed: 2020-12-18
Abstract: 一种视频资源推送方法及模块、一种视角同步方法及模块、一种视频资源传输方法及模块、一种VR主控端、一种云计算中心平台、一种MEC服务器和一种计算机可读存储介质。所述视频资源推送方法应用于云计算中心的虚拟现实VR主控端，所述视频资源推送方法包括：查询与当前VR主控端建立连接的用户终端所接入的移动边缘计算MEC服务器(S110)，以及向所述MEC服务器推送视频资源(S120)。
Patent WO-2022134027-A1 (WO)
Title: Procédé et appareil pour un traitement d'informations dans une procédure de transmission de petites données
Inventor: SHI JIE
IPC: H04W72/14
Filed: 2020-12-25
Abstract: Selon des modes de réalisation, la présente demande concerne un procédé et un appareil pour un traitement d'informations dans une procédure de transmission de petites données (SDT). Dans un mode de réalisation de la présente demande, le procédé consiste à : multiplexer au moins un élément d'informations tampon (BI) et une unité de données de service (SDU) de contrôle d'accès au support (MAC) pour une porteuse radio de données (DRB) SDT afin de générer une unité de données de protocole (PDU) MAC ; et transmettre la PDU MAC ainsi générée, dans une procédure de SDT.
Patent WO-2022141466-A1 (WO)
Inventor: SANG XIAOQING
IPC: H04N5/232
Filed: 2020-12-31
Abstract: 一种图像传输系统及可移动平台。可移动平台包括图像传输系统(100)。图像传输系统包括：成像装置(10)，用于获取图像信息，成像装置(10)设置有用于数据传输的磁吸接口(11)；图传装置(20)，用于接收来自成像装置(10)的图像信息，图传装置(20)设置有用于数据传输的磁吸接口(21)；以及数据线(30)，其两端均设有用于数据传输的磁吸接口(31)，以分别与成像装置(10)的磁吸接口(11)和图传装置(20)的磁吸接口(21)相配合，从而使得成像装置(10)和图传装置(20)通过数据线(30)电耦合。本申请不但方便了数据线安装，还可以使成像装置和图传装置分别单独安装，使图像传输系统安装更加方便和简单。
Patent WO-2022141550-A1 (WO)
Inventor: CHEN WU
IPC: A24F40/40
Filed: 2020-12-31
Abstract: L'invention concerne un dispositif d'atomisation électronique (40), un atomiseur (30) et un noyau d'atomisation (20) associés. Le noyau d'atomisation (20) comprend un corps d'absorption de e-liquide (200) et un élément chauffant (100) disposé à demeure sur le corps d'absorption de e-liquide (200) ; le corps d'absorption de e-liquide (200) présente une paroi inférieure (210) et une paroi latérale reliée à un côté de la paroi inférieure (210), et la paroi inférieure (210) présente une surface d'atomisation (201) orientée à l'opposée de la paroi latérale ; l'élément chauffant (100) comprend des éléments de génération de chaleur (110) et des parties électrode (120) reliées aux éléments de génération de chaleur (110) ; les éléments de génération de chaleur (110) comprennent des parties de génération de chaleur et des premières parties d'incorporation (1101), les parties de génération de chaleur et les parties électrode (120) étant disposées sur la paroi inférieure (210) et étant exposées à la surface d'atomisation (201), et les premières parties d'incorporation (1101) étant incorporées dans la paroi inférieure (210) et correspondant à la paroi latérale. En fournissant des premières parties d'incorporation (1101) des éléments de génération de chaleur (110) qui correspondent à la paroi latérale du corps d'absorption de e-liquide (200), le e-liquide d'atomisation sur le côté proche de la paroi latérale du corps d'absorption de e-liquide (200) peut être préchauffé.
Patent WO-2021203763-A1 (WO)
Title: Instantaneous sterilization system for ventilation and air conditioning
Inventor: WANG QUANLING
IPC: F24F5/00
Filed: 2021-04-08
Abstract: Disclosed is an instantaneous sterilization system for ventilation and air conditioning, the system comprising an air inlet, which is in communication with the air and is configured to be an input end of the instantaneous sterilization system for ventilation and air conditioning; an instantaneous sterilization device, which is one or more of a chlorine dioxide sterilizer, a hydrogen peroxide or hydrogen peroxide silver ion sterilizer, an ultraviolet sterilizer, an ultra low penetration air (ULPA) filter, a high efficiency particulate air (HEPA) filter, a laser sterilizer, a microwave sterilizer, an infrared sterilizer, an X-ray sterilizer, and a γ-ray sterilizer, with the air inlet being configured at an input end of the instantaneous sterilization device, an output end of the instantaneous sterilization device being provided with a sterilized air outlet, the sterilized air outlet being configured at the output end of the instantaneous sterilization device, and the sterilized air outlet being in communication with the air and serving as an output end of the instantaneous sterilization system for ventilation and air conditioning; and a fan, with an air inlet end of the fan being connected to the air inlet, and the air discharge end of the fan being connected to the input end of the instantaneous sterilization device.
Patent WO-2022134223-A1 (WO)
Inventor: GONG CHEN
IPC: B05B7/04
Filed: 2021-01-07
Abstract: 一种自动调节吸气速度的扇形气吸喷头，包括喷头体（1）和液体通道，压力槽（2）和进气通道（4），喷头体（1）内设有与喷孔（7）连通的液体通道；液体通道入口段与压力槽（2）连通，进气通道（4）贯穿压力槽（2）后与液体通道连通；压力槽（2）内通过弹性阻尼装置安装进气孔板（3），通过液体通道入口压力的变化使进气孔板（3）在压力槽（2）与进气通道（4）相交处移动；进气孔板（3）上设有若干大小相同或相异的通孔，通过进气孔板（3）在压力槽（2）内移动，用于改变液体通道内的进气量。该结构能够根据流入喷头内的液体压力变化而自动调整进气速度，使吸入的气体更加充分地与液体通道进气处直柱段内的液体相撞击，从而使空气与压力液体更好的混合。
Patent WO-2021169625-A1 (WO)
Inventor: XU GUOCHENG
IPC: G06K9/62
Filed: 2021-01-08
Abstract: Disclosed in the present application are a method and apparatus for detecting a reproduced network photograph, a computer device, and a storage medium, wherein same are applied to the technical field of picture identification, and are used for solving the technical problem in the prior art of a high misidentification rate when identifying whether a video or photograph is reproduced. The method for detecting a reproduced network photograph provided by the present application comprises: when a picture or video to be identified is received, extracting a Fourier characteristic value of the picture or a Fourier characteristic value of a video frame picture of the video; generating a Fourier characteristic spectrum of the picture or the video frame picture according to the extracted Fourier characteristic value; identifying the number of peak transformation points in the Fourier characteristic spectrum by means of a pre-trained target detection model; and when there are at least two identified peak transformation points and at least two of the peak transformation points are symmetrically distributed, determining that the picture or the video to be identified corresponding to the Fourier characteristic spectrum is reproduced.