baber/WOPTO huggingface dataset:
Patent WO-2021189889-A1 (WO)
Title: 场景图像中的文本检测方法、装置、计算机设备及存储介质
Inventor: GAO YUAN
IPC: G06N3/08
Filed: 2020-11-26
Abstract: 一种场景图像的文本检测方法、装置及计算机设备，该方法包括：通过训练后的全卷积网络模型，检测确定所述场景图像中的若干个文本预测框（22）；筛选在所述文本预测框内，置信度大于预设的置信度阈值的像素点作为高置信度像素点（24）；根据所述高置信度像素点，计算所述文本预测框对应的最小外接矩形（26）；在重叠度大于预设的重叠度阈值时，通过所述最小外接矩形调整所述文本预测框的宽度（30）；在所述场景图像中切割所述调整后的文本预测狂，获得待识别文本图像（32）；识别所述待识别文本图像中的文本信息（34）。所述方法可以在使用EAST方法实现文本检测的基础上，通过高置信度的区域对文本预测框的宽度进行校正和调整，使其宽度可靠的被缩小，实现更加精确的文本识别。
Patent WO-2021115344-A1 (WO)
Inventor: ZUO WEIHAN
IPC: G02B27/01
Filed: 2020-12-09
Abstract: An AR optical display module and an augmented reality device, comprising: a polarization assembly (2) and a first transflective component (3) sequentially disposed along an optical path. The polarization assembly (2) is configured to reflect an incident image light (L1) to the first transflective component (3). The first transflective component (3) is configured to reflect the image light (L1) and transmit an external effective light (L2). The image light (L1) reflected by the first transflective component (3) and the external effective light (L1) transmitted by the first transflective component (3) reach the polarization assembly (2) and are transmitted by means of the polarization assembly (2) to enter a human eye. The polarization assembly (2) is further configured to absorb an incident external stray light (L3). The polarization assembly (2) eliminates the external stray light and improves the contrast between the light required by a user and the external stray light (L3), thereby improving viewing experience of the user using the AR optical display module.
Patent WO-2022120781-A1 (WO)
Inventor: LI YONGKANG
IPC: G05D1/02
Filed: 2020-12-11
Abstract: 一种不同时域多传感器信息处理方法，通过设置多个传感同步处理周期定时，完成多个不同传感器信息的同步处理，可以解决不同传感器周期需求的同步处理能力，不需要与系统多控制器时间同步，分布执行每一个传感器的信息数据处理，采用信箱信息协议定义使传感器信息定义更加透明，有效提高了动态变化周期下的处理效率和兼容能力，实现了自动驾驶过程中精准控制行车，保障自动驾驶的安全和稳定。
Patent WO-2022126587-A1 (WO)
Inventor: YUAN LIJUN
IPC: G09G3/20
Filed: 2020-12-18
Abstract: A display panel and a driving method therefor, and a display device. The display panel comprises: a plurality of pixel islands (10, AA11-AA33), each of the plurality of pixel islands (10, AA11-AA33) comprising a plurality of sub-pixels (111, 121, 131); a plurality of control signal lines (G1, G2, G3…); a plurality of switching signal lines (D_I1, D_I2, D_I3…); a plurality of light-emitting signal lines (D_T11, D_T12, D_T13, D_T21, D_T22, D_T23, D_T31, D_T32, D_T33…); and a sub-pixel driving circuit provided for each of the plurality of sub-pixels (111, 121, 131). The plurality of light-emitting signal lines (D_T11, D_T12, D_T13, D_T21, D_T22, D_T23, D_T31, D_T32, D_T33…) are configured to: under the control of switching signals provided by the plurality of switching signal lines (D_I1, D_I2, D_I3…) and control signals provided by the plurality of control signal lines (G1, G2, G3…), sequentially write working gray-scale level signals corresponding to particular gray-scales to corresponding sub-pixels (111, 121, 131) in multiple times in ascending order of gray-scale within one display time frame, wherein different working gray-scale level signals indicate that durations during which the light-emitting signal lines (D_T11, D_T12, D_T13, D_T21, D_T22, D_T23, D_T31, D_T32, D_T33…) provide working gray-scale level signals to an organic light-emitting diode (E) by means of a second transistor (M2) are different, and the final display gray-scale of each of the plurality of sub-pixels (111, 121, 131) in the plurality of pixel islands (10) is a gray scale obtained by superposition of the different working gray-scale level signals.
Patent WO-2021136108-A1 (WO)
Title: Antenna structure and electronic device
Inventor: LIU TAILIN
IPC: H01Q1/36
Filed: 2020-12-25
Abstract: The present invention provides an antenna structure and an electronic device. The antenna structure comprises an antenna main body, a parasitic antenna, a first feed component, and a second feed component. The antenna main body is provided with a slit, and defines a first radiator and a second radiator by means of the slit. The first feed component is connected to the first radiator, and the second feed component is connected to the second radiator. The parasitic antenna and the slit are disposed adjacent to each other. The parasitic antenna is coupled with the first radiator, and is used to couple radio frequency energy fed by the second feed component into the second radiator, or is coupled with the second radiator, and is used to couple radio frequency energy fed by the first feed component into the first radiator.
Patent WO-2022021783-A1 (WO)
Inventor: ZHOU SHIJIE
IPC: B66B1/34
Filed: 2020-12-28
Abstract: A modularized elevator hall calling device, comprising a bottom plate (1) and a functional module, the bottom plate (1) being provided with an oblique guide rib slot; an outer frame housing of the functional module is provided with an oblique snap slot, and the oblique snap slot fits the oblique guide rib slot on the bottom plate (1) to fix the functional module on the bottom plate (1). The present invention solves the problems that the functional components cannot be separated flexibly and a user cannot freely select and combine the functional components to satisfy different usage requirements caused by the fixed arrangements of the functional components in a single integrated housing in an integrated hall calling device of a traditional elevator. The modularized elevator hall calling device enables a user to freely and flexibly make combinations according to requirements to form an elevator hall calling device having different functions, has a simple structure, is easy to install, disassemble, and maintain, and reduces production costs.
Patent WO-2021129866-A1 (WO)
Inventor: ZHANG KAI
IPC: H04N19/30
Filed: 2020-12-28
Abstract: Devices, systems and methods related to digital video coding, and specifically, to signaling of slice types in video picture headers are described. One example method of video processing includes performing a conversion between a video comprising one or more video pictures comprising one or more slices and a bitstream of the video, wherein the bitstream conforms to a format rule, and wherein the format rule specifies that for a video picture of the one or more video pictures having all slices coded as I slices, P slice and B slice related syntax elements are omitted from a picture header for the video picture.
Patent WO-2021248896-A1 (WO)
Inventor: CHEN YUNQIANG
IPC: B01D71/02
Filed: 2020-12-31
Abstract: A preparation method for a titania ceramic ultrafiltration membrane. A sol-gel process is combined with hydrothermal processing of a microemulsion medium to prepare a titania nanosol. An additive is introduced into a titania sol to form a membrane coating solution, which is dip-coated onto a porous alumina ceramic membrane; said membrane is then dried and calcined such that a titania ultrafiltration membrane layer may be obtained. In the invention, a specific emulsifier is added to a titania sol; a titania nanosol is prepared by means of a low-temperature hydrothermal reaction having a short reaction time; a membrane coating solution is formulated, and drying and calcining are carried out, thus producing a titania ultrafiltration membrane.
Patent WO-2022032982-A1 (WO)
Title: 一种拭子采样装置
Inventor: DING JIANWEN
IPC: A61B10/00
Filed: 2021-01-06
Abstract: 一种拭子采样装置，包括：拭子棒(2)、管体(1)、盖体以及挤液部件(3)，拭子棒(2)上设有取样部(201)，盖体与管体(1)可拆卸连接，以便于将拭子棒(2)从管体(1)内取出或放入，挤液部件(3)设置于管体(1)或盖体上，挤液部件(3)设置为供拭子棒(2)在管体(1)内上下移动时以挤出取样部(201)上的样本。使用时，通过拭子棒(2)的取样部(201)采集样本，采样完成后样本附着于取样部(201)上，将拭子棒(2)置于管体(1)内，取样部(201)接触管体(1)内的样本处理液，辅以振摇管体(1)或者搅拌拭子棒(2)等方式初步释放取样部(201)上的样本于洗脱液中，然后上下移动拭子棒(2)，以使取样部(201)与挤液部件(3)接触，两者接触挤压取样部(201)使其快速释放附着在其上的样本从而将样本挤压出来留存于管体(1)内，该操作可以反复进行以达到充分洗脱样本的目的，相对于传统洗脱样本的方式，能够更快、更充分的挤出样本。
Patent WO-2022041666-A1 (WO)
Inventor: CHEN HUANCHANG
IPC: B60G21/05
Filed: 2021-02-23
Abstract: A chassis having an independent swing arm suspension, comprising a base (10) and a driving wheel set. The driving wheel set is disposed on the base; the driving wheel set comprises two oppositely disposed driving wheel assemblies (20); each driving wheel assembly (20) comprises a swinging member (21), an elastic damper (22), a first fixed part (23), a second fixed part (24), and a driving wheel (25). The chassis having an independent swing arm suspension can improve the smoothness of the chassis when crossing an obstacle. Also provided is a robot.
Patent WO-2021244104-A1 (WO)
Inventor: WU LEI
IPC: H04N5/232
Filed: 2021-03-16
Abstract: Embodiments of the present application relate to the technical field of electronics, and provide a time-lapse photography method and a device, capable of automatically adjusting the photography range in the time-lapse photography process without using a guide rail or manually adjusting the photography range by a user in real time, and thus facilitating performing time-lapse photography. The specific solution comprises: an electronic device enters a time-lapse photography mode of a camera application; in response to a first preset operation of the user, entering a first sub-mode; displaying a preview image and a first window on a preview interface, the size ratio of the first window being consistent with that of the preview image; in response to a photography operation of the user, displaying, on a photography interface, a recording image obtained according to the capture interval, and the first window, positions of the first window on different recording images being different; when the first window reaches the boundary of the recording image, stopping photographing and generating a time-lapse photography video, a video image comprising an image in the first window on the recording image. The embodiments of the present application are used for time-lapse photography.
Patent WO-2022193165-A1 (WO)
Inventor: ZHANG CHUNLEI
IPC: H02J9/06
Filed: 2021-03-17
Abstract: An energy storage system (1), and a power supply method for a battery management system (90). The energy storage system (1) comprises an energy storage module (10), a direct current bus (30), an energy storage converter module (40), a first power supply module (60), a second power supply module (80), and the battery management system (90). The first power supply module (60) is used for selecting a larger voltage in an output direct current voltage of the energy storage module (10) and a bus voltage of the direct current bus (30) as an input voltage, and outputting a first direct current voltage to the second power supply module (80) on the basis of the input voltage. A first power conversion module (70) is used for converting alternating current mains electricity (50) or an output alternating current voltage of the energy storage converter module (40) into a second direct current voltage, and outputting the second direct current voltage to the second power supply module (80). The second power supply module (80) is used for selecting a larger voltage in the first direct current voltage and the second direct current voltage as a target voltage, and supplying power to the battery management system (90) on the basis of the target voltage. The energy storage system (1) can improve the reliability of power supply to the battery management system (90); moreover, the energy storage system (1) has the cost reduced and has high applicability.
Patent WO-2022205025-A1 (WO)
Inventor: JIN TINGTING
IPC: A61B17/068
Filed: 2021-03-31
Abstract: A surgical stapling device (10) includes an end effector (16) having a bottom guide member (172) to confine tissue in the path of a cutting member and ensure that tissue is cleanly cut through. The bottom guide member (172) can be supported on an end effector frame (52) and be reusable or supported on the cartridge module (70) and be disposable.
Patent WO-2022183569-A1 (WO)
Title: Procédé et dispositif pour régler de manière adaptative l'arrêt et le démarrage d'une station de base dans une sous-zone à l'intérieur d'une zone
Inventor: CHEN GE
IPC: H04W52/00
Filed: 2021-04-13
Abstract: Les modes de réalisation de la présente invention concernent un procédé et un dispositif pour régler de manière adaptative l'arrêt et le démarrage d'une station de base dans une sous-zone à l'intérieur d'une zone. Le procédé comprend les étapes consistant à : déterminer si une station de base dans une ième sous-zone dans un état actif dans une zone peut être arrêtée dans une kième période d'échantillonnage ; acquérir une formule de fréquentation moyenne (I) de la sous-zone dans un état actif et envoyer une application d'activation ou une application d'arrêt à chaque sous-zone voisine dans un état actif dans l'ième sous-zone ; obtenir, par criblage, une sous-zone voisineb j*  parmi les sous-zones voisines, envoyer une instruction de consentement d'activation à b j* , et envoyer une instruction de refus d'activation à des sous-zones voisines autres que b j*  ; et/ou obtenir, par criblage, une sous-zone voisine b j' , envoyer une instruction de consentement d'arrêt à b j' , et envoyer une instruction de refus d'arrêt à des sous-zones voisines autres que b j'  ; obtenir, par criblage, une sous-zone voisine devant être activée ou arrêtée ; et ajuster la puissance de transmission totale d'un signal pilote dans une (k+1)ème période d'échantillonnage. La présente invention règle de manière adaptative l'état d'arrêt et de démarrage d'une station de base dans une sous-zone à l'intérieur d'une zone, de sorte que la consommation d'énergie peut être réduite sans provoquer de dégradation de la qualité d'un réseau de communication.
Patent WO-2021209055-A1 (WO)
Inventor: WEI YONGGANG
IPC: C07D473/02
Filed: 2021-04-16
Abstract: 本申请涉及咪唑啉酮衍生物及其在医药上的应用，具体而言涉及如通式(I)所示的嘧啶衍生物，或者其立体异构体、溶剂化物、代谢产物、前药、药学上可接受的盐或共晶，包含其的药物组合物以及本申请的化合物或组合物在制备用于治疗癌症的药物中的的用途。
Patent WO-2021238562-A1 (WO)
Title: Channel measurement method and communication device
Inventor: PAN DONGCHENG
IPC: H04W24/08
Filed: 2021-04-28
Abstract: Disclosed in the present application are a channel measurement method and a communication device. The method comprises: a first access point performs channel measurement on a channel measurement frame sent by a first station, and sends a user association frame to a second access point; the second access point determines, from a plurality of second channel measurement results according to identity information of the first station carried in the user association frame, a first channel measurement result matching the first station, wherein the first station is associated with the first access point and is not associated with the second access point, and the plurality of second channel measurement results are obtained by the second access point by performing measurement on a plurality of channel measurement frames from a plurality of stations. In the method, the first access point can notify the second access point of the identity information of the first station such that the second access point can determine the first channel measurement result. That is, cross-access point channel measurement is implemented, and a plurality of access points in co-frequency deployment can concurrently send data, thus improving a data transmission rate in an entire network.
Patent WO-2021228115-A1 (WO)
Inventor: JIANG DEYONG
IPC: G01K7/36
Filed: 2021-05-12
Abstract: 一种加热测温电路（140）及其测温方法、烹饪装置、存储介质（150），加热测温电路（140）通过对加热线圈（12）输入交流电压，以使加热线圈（12）对金属物体（20）进行加热，加热过程包括多个加热周期，方法包括：确定加热设备的工作模式（81）；根据的工作模式，确定测温区间进行测温，以使测温区间之前的加热周期的加热功率小于设定功率值（82）。加热测温电路（140）及其测温方法可以提高温度检测的精度。
Patent WO-2021228235-A1 (WO)
Title: Photoelectric detection and collection system and centroid detection method based on single pixel detector
Inventor: WANG YINGJIAN
IPC: G01M1/12
Filed: 2021-05-14
Abstract: A centroid detection method based on a single pixel detector, comprising: S1: establishing a photoelectric detection and collection system and generating three two-dimensional array matrices A, B, and C; S2: making the element value of each column of matrix A equal to the column number corresponding to said column, the element value of each row of matrix B equal to the row number corresponding to said row, and the element value of matrix C always 1, and generating two-dimensional modulation information with A, B, and C matrix distribution; S3: after an illumination light is modulated according to the mode of the two-dimensional modulation information, illuminating a target object or modulating an image formed by the target object according to the mode of the two-dimensional modulation information; and S4: using a data collection unit in the photoelectric detection and collection system to acquire an intensity value relating to a target reflection light and substituting same in a centroid solving algorithm to solve position parameters of a target centroid. By means of fusing a single pixel imaging method with a centroid detection technique, highly accurate detection of the position parameters of the target centroid can be implemented, providing a new method for the field of centroid detection.
Patent WO-2022001536-A1 (WO)
Title: Airbag assembly and vehicle seat assembly
Inventor: WANG KAN
IPC: B60R21/231
Filed: 2021-05-28
Abstract: An airbag assembly (2), comprising: an airbag (21), which is mounted to a vehicle seat (1) and can be inflated from an unexpanded state to an expanded state, in the expanded state, the airbag (21) extending along the head and body of an occupant (3) on the vehicle seat (1) to surround the head and body of the occupant (3); and a pull strap (22), which is used for mounting the airbag (21) to the vehicle seat (1) and has a first section (221) and a second section (222), in the expanded state, the pull strap (22) being tightened, and the first section (221) extending on the outer surface of the airbag (21) along the extending direction of the airbag (21) and being mounted to the airbag (21), and the second section (222) extending on at least one outer surface of the airbag (21) along a direction at an angle to the extending direction of the airbag (21). Also disclosed is a vehicle seat assembly, comprising a vehicle seat and an airbag assembly mounted to the vehicle seat. When the airbag is expanded, the tightened strap provides restraint on the side surfaces of the airbag, such that large lateral displacement of the airbag when the occupant is laterally impacted is reliably limited, thereby effectively limiting the lateral displacement of the occupant, thus preventing impact of the occupant with a neighbor occupant or interior trims of a vehicle.
Patent WO-2021244452-A1 (WO)
Inventor: DAI HAITAO
IPC: G06F8/38
Filed: 2021-05-28
Abstract: A multi-device interaction method and system. In the method, a first application program is installed in a first device (530, 630), and the first application program may not be installed in a second device (540, 640). The first device (530, 630) displays a user interface of the first application program, and sends UI description information of the user interface of the first application program to the second device (540, 640). The UI description information can be used for describing attributes of assemblies in the user interface of the first application program. The second device (540, 640) displays the user interface of the first application program according to the UI description information and in combination with a screen shape and size of the second device (540, 640). The second device (540, 640) can also detect a user operation on the user interface, and feeds the user operation back to the first device (530, 630). The first device (530, 630) can process a task indicated by the user operation. By means of the method, the second device (540, 640) does not need to install the first application program, but provides a service in the first application program for a user by means of interacting with the first device (530, 630), thereby effectively reducing development costs.
Patent WO-2022057314-A1 (WO)
Title: Random access method and apparatus, and base station, terminal and storage medium
Inventor: WANG JUNWEI
IPC: H04W56/00
Filed: 2021-05-31
Abstract: Disclosed are a random access method and apparatus, and a base station, a terminal and a storage medium, which relate to the technical field of wireless communications. The specific solution is: receiving a random access request sent by a terminal; sending a random access response to the terminal, wherein the random access response carries measurement indication information, and the measurement indication information is used to indicate that the terminal detects the beam quality of a synchronization signal block (SSB); receiving a radio resource control (RRC) connection request sent by the terminal, wherein the RRC connection request carries quality detection information, and the quality detection information is obtained by means of detecting the beam quality by means of the terminal according to the measurement indication information; and sending a first RRC connection response to the terminal, wherein the first RRC connection response carries beam indication information, and the beam indication information is used to indicate that the terminal determines, according to the quality detection information, a target SSB used for sending and/or receiving data. During a random access process, a beam is re-selected according to the detected beam quality of an SSB, such that the success rate of the random access process is increased.
Patent WO-2022007803-A1 (WO)
Title: Improved rna editing method
Inventor: YUAN PENGFEI
IPC: C12N15/10
Filed: 2021-07-06
Abstract: Provided is a method for editing a target RNA at a target residue position of a host cell. The method comprises introducing, into a host cell, a deaminase-recruiting RNA (arRNA) or a construct that encodes the arRNA, wherein the arRNA comprises a complementary RNA sequence that hybridizes with a target RNA; a target residue is located in a triple base motif, the triple base motif comprising a 5' nearest-neighbor residue (upstream residue) of the target residue in the target RNA, the target residue, and a 3' nearest-neighbor residue (downstream residue) of the target residue in the target RNA, wherein the triple base motif is not UAG; and the complementary RNA sequence comprises a mismatch that is directly opposite to the upstream residue or the downstream residue on the target RNA. Further provided are an arRNA for the method, an RNA obtained by means of the method, a host cell comprising the RNA, and the use thereof in the treatment of diseases by means of the method.
Patent WO-2022205698-A1 (WO)
Inventor: WAN QIANG
IPC: H01L21/8242
Filed: 2021-07-27
Abstract: 本申请涉及一种掩膜图形的制作方法，包括：形成由下至上叠置的图形转移层、刻蚀停止层、牺牲层及硬掩膜层；图形化硬掩膜层及牺牲层，以得到牺牲图形，牺牲图形暴露出刻蚀停止层；于牺牲图形的侧壁形成侧墙结构；去除牺牲图形；于侧墙结构之间形成填充层，侧墙结构与填充层的刻蚀选择比大于100；去除侧墙结构，以形成初始掩膜图形；基于初始掩膜图形刻蚀刻蚀停止层及图形转移层，以将初始掩膜图形的图案转移至图形转移层，以得到目标掩膜图形。
Patent WO-2022151718-A1 (WO)
Inventor: LUAN QIANCONG
IPC: G06K9/00
Filed: 2021-08-04
Abstract: Sont divulgués dans des modes de réalisation de la présente demande un procédé, un appareil et un dispositif de nettoyage, et un support d'enregistrement lisible par ordinateur. Le procédé comprend les étapes consistant à : commander un corps de nettoyage pour exécuter un premier processus de nettoyage ; lors de l'exécution du premier processus de nettoyage, obtenir des informations de nettoyage du sol au moyen d'un capteur ; déterminer une zone cible contenant un objet sale sur la base des informations de nettoyage du sol ; et exécuter un second processus de nettoyage au moins sur la base d'informations d'emplacement de la zone cible et des informations de nettoyage du sol de la zone cible.