baber/WOPTO huggingface dataset:
Patent WO-2021051545-A1 (WO)
Title: Behavior identification model-based fall-down action determining method and apparatus, computer device, and storage medium
Inventor: LUO ZHENGNAN
IPC: G06K9/00
Filed: 2019-11-12
Abstract: A behavior identification model-based fall-down action determining method and apparatus, a computer device, and a storage medium, relating to the technical field of artificial intelligence. The method comprises: obtaining a target video captured by a camera (S10); obtaining a target video to be analyzed from the target video (S20); dividing the target video to be analyzed into N clips, and randomly extracting a frame of image from each clip as an image to be identified, N being an integer greater than 1 (S30); inputting the image to be identified into a pre-trained behavior identification model, and outputting a first probability of a person falling down in the target video and a second probability of the presence of a fall-down accompanying action by means of the behavior identification model (S40); obtaining an overall expected probability according to the first probability and the second probability (S50); and when the overall expected probability is greater than a preset threshold, determining that there is a situation where a person falls down in the target video (S60). By using the behavior identification model-based fall-down action determining method, accurate fall-down behavior determining can be achieved.
Patent WO-2021027169-A1 (WO)
Title: 一种tft阵列基板及其显示面板
Inventor: MING XING
IPC: H01L27/12
Filed: 2019-11-18
Abstract: 一种TFT阵列基板，定义有显示区（100）和弯折区（110），其包括衬底层（101）和设置于其上的功能层，功能层中包括有绝缘层和金属层；金属层在弯折区（110）包括第一金属层（104）、第二金属层（106）和第二栅极层（107）；第一金属层（104）设置在填充层（102）的侧端部上，并通过过孔与第二栅极层（107）相接；第二金属层（106）设置在位于第一金属层（104）的外侧位置的绝缘层上。
Patent WO-2020103814-A1 (WO)
Inventor: AMIRLOO ABOLFATHI ELMIRA
IPC: G06T7/70
Filed: 2019-11-19
Abstract: A system, device and method of generating high resolution and high accuracy point cloud. In one aspect, a computer vision system receives a camera point cloud from a camera system and a LiDAR point cloud from a LiDAR system. An error of the camera point cloud is determined using the LiDAR point cloud as a reference. A correction function is determined based on the determined error. A corrected point cloud is generated from the camera point cloud using the correction function. A training error of the corrected point cloud is determined using the first LiDAR point cloud as a reference. The correction function is updated based on the determined training error. When training is completed, the correction function can be used by the computer vision system to generate a generating high resolution and high accuracy point cloud from the camera point cloud provided by the camera system.
Patent WO-2020108490-A1 (WO)
Title: Laser and light exiting control method and apparatus therefor, and laser device
Inventor: HE GAOFENG
IPC: H01S3/102
Filed: 2019-11-26
Abstract: A laser and a light exiting control method and apparatus therefor, and a laser device. The light exiting control method for the laser comprises: S101, receiving MO, BS, and EN generated and outputted by a laser controller (200); S102, detecting the EN in real time, when EN is detected to have a high level, starting timing according to a preset first timer, and adjusting the high level to a low level in the timing process of the first timer to generate EN_new; S103, in the timing process of the first timer, when the low level of EN is detected, controlling the first timer to be cleared, and then returning to S102; S104, determining whether the result of timing the first timer reaches a time value of the preset first timer, if so, turning off the first timer, and adjusting EN_new to a high level. The light exiting control method for the laser can prevent the laser (100) from abnormal light exiting caused by the unstable state in the power-on process of the laser controller (200).
Patent WO-2021109068-A1 (WO)
Inventor: ZHOU YOU
IPC: G05D1/08
Filed: 2019-12-05
Abstract: 一种手势控制方法及可的移动平台，所述方法包括确定被控对象与目标用户的深度距离（S102），基于采集的包含所述目标用户的图像以及所述深度距离确定所述目标用户的手臂与身体构成的第一夹角（S104），基于所述第一夹角以及所述深度距离确定所述被控对象的目标位置（S106），控制所述被控对象从当前位置移动至所述目标位置（S108）。通过这种方法，在被控对象和目标用户距离较远时，也可实现比较准确地手势控制。
Patent WO-2020125648-A1 (WO)
Title: Time division multiplexing method, network switching device, network interface device, time division multiplexing system, and storage medium
Inventor: CHEN HENG
IPC: H04L49/111
Filed: 2019-12-17
Abstract: Disclosed is a time division multiplexing method. The method comprises: a network switching device receiving a bandwidth update request of at least one user terminal; according to the bandwidth update request, acquiring an interface type of the at least one user terminal; using the interface type of the at least one user terminal to update a current time slot allocation table to obtain an updated time slot allocation table, wherein the updated time slot allocation table represents a time slot allocated for the user terminal to transmit service data; and according to the updated time slot allocation table, sending a time slot table switching instruction to a network interface device, wherein the time slot table switching instruction comprises the address of the updated time slot allocation table. Further disclosed are a network switching device, a network interface device, a time division multiplexing system, and a storage medium.
Patent WO-2020135203-A1 (WO)
Inventor: YANG XIN
IPC: A61P17/00
Filed: 2019-12-19
Abstract: Le nouveau composé (I) fourni par la présente invention présente une activité biologique, et peut être utilisé en tant qu'inhibiteur de la kinase TRK, tel qu'un médicament pour le traitement du cancer d'une maladie ou d'un trouble médié par TRK, et le traitement et la prévention de la dermatite ou de l'asthme, etc.
Patent WO-2020125732-A1 (WO)
Inventor: LIU FEIXIANG
IPC: B25J19/00
Filed: 2019-12-19
Abstract: A zero calibration method and device for a robot arm joint sensor. The method comprises: determining whether a robot arm to be tested is a redundant robot arm, if yes, segmenting the robot arm, using a non-redundant boom as a set end boom, and performing steps of the following single calibration method until zero calibration of all joints of the robot arm to be tested is completed; installing at least two targets in parallel on the set end boom, wherein matching elements of patterns of the targets keep parallel; installing a light source on a robot arm mounting body; driving joints of the robot arm to move, so that a light beam from the light source passes through the axis of each target and a light spot overlaps the pattern of each target; and obtaining the poses of the targets after the pose of the boom is adjusted, and calculating the rotation angle of a rotation joint and the movement amount of a moving joint of the robot arm under the current pose of the set end boom according to the relationship between the pose of the set end boom and the pose of the light source. Compared with the prior art, the method is more simple and efficient in zero calibration.
Patent WO-2020147594-A1 (WO)
Inventor: CHEN YIRAN
IPC: G06F16/901
Filed: 2020-01-03
Abstract: 一种获取实体间关系表达的方法、系统和设备、广告召回系统。所述方法包括：根据元路径将异构图分为至少两个异构子图，获取一个批次的样本数据；按照异构子图对样本数据进行学习，得到异构子图中节点的向量表达；基于样本数据对不同异构子图中相同节点的向量表达进行聚合，得到不同异构子图中相同节点的同一个向量表达；基于样本数据和相同节点的同一个向量表达对模型的参数进行优化；获取下一个批次的样本数据进行学习，直至所有批次的样本数据学习完毕，得到异构图中每个节点的一个低维向量表达。该方法能够实现对复杂的异构图的学习，处理速度块、效率高，用于广告搜索时使召回广告的匹配度更高。
Patent WO-2021042657-A1 (WO)
Title: Cyclone, cyclonic separation apparatus, and handheld-type vacuum
Inventor: Cai zhan
IPC: A47L9/16
Filed: 2020-01-10
Abstract: A cyclone (1), a cyclonic separation apparatus, and a handheld-type vacuum. The outer wall of the cyclone (1) is provided with a spiral structure (11). By means of arranging the spiral structure (11), the centrifugal force of the cyclone (1), the cyclonic separation apparatus, and the handheld-type vacuum can be increased, allowing fine dust to be completely separated from the air under the action of centrifugal force, rather than causing fine dust to be expelled from an air outlet of the cyclonic separation apparatus because of insufficient centrifugal force.
Patent WO-2021093178-A1 (WO)
Inventor: GAO BO
IPC: H04W72/04
Filed: 2020-01-21
Abstract: La présente divulgation concerne d'une manière générale une indication de port pour des transmissions de canaux de données de liaison montante dans des communications sans fil. Dans certains modes de réalisation, un nœud de communication dans un réseau de communications sans fil, une station mobile par exemple, peut recevoir une instruction de déclencher la transmission d'un canal de données de liaison montante. Le nœud peut déterminer un ou plusieurs ports en fonction d'un paramètre de port associé au canal de données de liaison montante. De plus, le nœud peut transmettre le canal de données de liaison montante à l'aide du ou des ports.
Patent WO-2021155563-A1 (WO)
Inventor: ZHANG YANZHONG
IPC: H02J3/38
Filed: 2020-02-07
Abstract: 一种光伏系统（600），包括多个光伏组串（430）、至少一个汇流设备（610）、至少一个逆变器（620）；每个光伏组串（430）包括第一直流输出端，用于产生第一直流电；每个汇流设备（610）连接多个光伏组串（430），每个汇流设备（610）用于对多个第一直流电进行汇流后，通过所述汇流设备（610）的第二直流输出端（612）输出第二直流电，其中，第i汇流设备（610）包括多个所述第二直流输出端（612），所述第i汇流设备（610）用于对多个第一直流电进行汇流后输出多个相互独立的第二直流电，i为正整数，所述多个第二直流电的数量小于所述多个第一直流电的数量；至少一个逆变器（620）用于将多个第二直流电转换为交流电。汇流设备（610）输出多个直流电，从而能够减小每个直流电的电流，降低用于传输汇流设备（610）输出直流电的线缆的成本。
Patent WO-2021155564-A1 (WO)
Title: Reference signal or precoder indication for a group of component carriers
Inventor: YUAN FANG
IPC: H04W72/04
Filed: 2020-02-07
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive an indication relating to at least one of a reference signal or a precoder configuration, wherein the indication applies to multiple component carriers (CCs); determine respective configurations for communications on the multiple CCs in accordance with the indication; and perform the communications on the multiple CCs in accordance with the indication. Numerous other aspects are provided.
Patent WO-2021128569-A1 (WO)
Inventor: ZHU LIKE
IPC: E05C17/38
Filed: 2020-02-25
Abstract: Disclosed is a push/release guide rail, comprising a guide rail, a base, a chute, a spring locking mechanism, and a slider. The guide rail and the chute combine to form a recessed travel assembly. The base is provided in the middle of the recessed travel assembly. The guide rail is provided on the base. The spring locking mechanism is provided in the base. The slider is provided on a side of the base, and movably engages with the chute. A stopping block, a fixed block, a position-limiting member, a spring, a hook, and a torsion spring are provided in the spring locking mechanism. The stopping block is provided in the base. The position-limiting member is L-shaped, has one end fitted to the stopping block in the base, and another end having a bend and engaging with the slider. The fixed block and the stopping block combine. The spring is provided in the fixed block, and passes through a middle portion of the stopping block. One end of the hook is fixed to an inner wall of the fixed block, and the other end is provided in a hook movement slot on a side edge of the stopping block. The present utility model eliminates metal impact sound produced by closing a door. The sliding slider drives the door to be closed or opened. In addition, the position-limiting spring and the hook eliminate the manual step of driving a door, resulting in greatly improved convenience.
Patent WO-2020177620-A1 (WO)
Inventor: GENG YUXU
IPC: G02B6/00
Filed: 2020-02-28
Abstract: A light guide plate, a backlight module and a display apparatus. The light guide plate comprises: a light guide plate body (1), wherein the light guide plate body (1) is provided with a light emergent face (2); the light emergent face (2) is divided into multiple first annular areas; and the centre of each of the first annular areas overlaps the centre of the light emergent face (2); and multiple light convergence structures (3) corresponding to the multiple first annular areas on a one-to-one basis, wherein the orthographic projections of the light convergence structures (3) on the light emergent face (2) just cover the corresponding first annular areas; and the light convergence structures (3) are used for defining light emergence angles of the corresponding first annular areas.
Patent WO-2020211682-A1 (WO)
Inventor: YANG XIN
IPC: H04W40/22
Filed: 2020-04-07
Abstract: 本发明实施例公开一种数据传输方法及相关装置，应用于电子设备，电子设备包括无线收发模块，方法包括：获取需要向目标节点发送的至少一个数据传输任务；在检测到第一传输链路无法满足至少一个数据传输任务的传输需求时，获取第一局域网络中的至少一条中继链路和每条中继链路的链路信息；根据至少一个数据传输任务和每条中继链路的链路信息，选择用于传输至少一个数据传输任务的多条中继链路；通过多条中继链路传输至少一个数据传输任务。本申请实施例有利于提高数据传输的成功率和稳定性。
Patent WO-2021203318-A1 (WO)
Title: Methods, devices, and computer readable medium for communication
Inventor: LIANG LIN
IPC: H04W36/00
Filed: 2020-04-08
Abstract: Embodiments of the present disclosure relate to communication. According to embodiments of the present disclosure, a terminal device receives an indication concerning whether a security for a target network device is changed with respect to a source network device. If the security key is not changed, the terminal device transmits a PDU which is unsuccessfully transmitted to the source network device to the target network device. In this way, security issues can be addressed. Further, resources can also be saved.
Patent WO-2020216135-A1 (WO)
Inventor: ZHU XIAORONG
IPC: H04W16/02
Filed: 2020-04-17
Abstract: Disclosed is a multi-user multi-MEC task unloading resource scheduling method based on edge-end collaboration. The method comprises the following steps: step 1, task analysis: analyzing task completion time delay, and determining task completion benefits; step 2, problem formation: forming an optimization problem by taking maximization of total benefits of task completion as a target; step 3, steady state ensuring: ensuring stability of a task backlog queue to simplify the problem; step 4, channel allocation: providing a task unloading allocation policy to determine optimal channel allocation; step 5, task scheduling: providing a channel resource allocation policy to determine optimal task scheduling; and step 6, joint optimization: combining steps 4 and 5 to obtain optimal channel allocation and task scheduling. According to the present invention, service diversity is fully considered, and priority division is carried out on tasks, such that user side earnings are improved to the maximum extent, and multi-user multi-MEC task unloading resource scheduling is achieved.
Patent WO-2021208144-A1 (WO)
Inventor: GONG LIWEI
IPC: G02F1/1333
Filed: 2020-04-28
Abstract: 本申请提供了一种自电容式触控显示面板及其驱动方法、显示装置，该自电容式触控显示面板包括：第一基板，包括第一衬底、触控电极层、驱动电路层、像素电极层，触控电极层设置在第一衬底和驱动电路层之间；第二基板；液晶层。实现了垂直取向显示面板与自电容触控方案的整合，节省了成本，灵敏性高，更适合大尺寸商用产品。
Patent WO-2021217762-A1 (WO)
Inventor: ZHU JIANMIN
IPC: C08F283/06
Filed: 2020-05-22
Abstract: The present invention relates to an unsaturated polyether monomer, and a polycarboxylate superplasticizer and a preparation method therefor. The unsaturated polyether monomer of the present invention has formula I. The polycarboxylate superplasticizer of the present invention is a copolymer of the unsaturated polyether monomer and unsaturated carboxylic acid, and comprises a monomer unit derived from the unsaturated polyether monomer and a monomer unit derived from the unsaturated carboxylic acid. The polycarboxylate superplasticizer prepared from the unsaturated polyether monomer in the present invention can well solve the problem of mud in concrete, which means that clay will not change the adsorption capability of corresponding PCE for cement; the present invention can well adapt to the field of concrete having a high content (5-10%) of mud in sand and the field of gypsum dispersants. (I)
Patent WO-2021169081-A1 (WO)
Title: 一种奥美拉唑的精制方法
Inventor: LI WEISI
IPC: C07D401/12
Filed: 2020-06-05
Abstract: 本发明公开了一种奥美拉唑的精制方法，属于化学合成领域，该方法包括溶解、脱色、洗涤、调pH、提取和过滤制得奥美拉唑精品。本发明精制效果好纯度可达99.8％以上，收率90％以上，并具有操作简单，不可控制性低，适合工业化生产的优点。
Patent WO-2020253677-A1 (WO)
Inventor: WANG XIAOJIE
IPC: F16H61/02
Filed: 2020-06-16
Abstract: A gear determination method, comprising: acquiring an actual whole vehicle state, an actual gear shifter state, an actual whole vehicle state change circumstance and an actual gear shifter state change circumstance; under a fixed state circumstance, according to a preset first gear shift strategy set used to reflect, in the fixed state, gear shift strategies respectively corresponding to the state of each whole vehicle and the state of each gear shifter, determining a first actual gear shift strategy and determining the current gear of the vehicle; and under a changing state circumstance, according to a preset second gear shift strategy set used to reflect, in the changing state, gear shift strategies respectively corresponding to the state change of each whole vehicle and/or the state change of each gear shifter, determining a second actual gear shift strategy and determining the current gear of the vehicle. Also disclosed are a gear determination system and a vehicle equipped with the gear determination system.
Patent WO-2021057120-A1 (WO)
Title: 数据传输方法、装置、以及计算机存储介质
Inventor: HUANG LIUWEN
IPC: H04L29/08
Filed: 2020-06-19
Abstract: 本申请实施例公开了一种数据传输方法、装置、以及计算机存储介质，包括：会议管理服务器接收直播终端发送的连接请求，根据区域信息为区域分配对应的信令服务器以及数据传输代理服务器，触发信令服务器与多媒体设备之间建立连接，响应于检测到信令服务器与多媒体设备之间的连接建立成功，为多媒体设备分配多媒体设备代理服务器，基于直播终端的直播操作，为直播终端分配直播代理服务器，通过数据传输代理服务器、多媒体设备代理服务器、以及直播代理服务器对需要进行传输的数据进行格式转换，以实现数据在直播终端与多媒体设备之间的传输。该方案将直播用户进行直播时采用的直播系统和多媒体设备所在多媒体播放系统进行融合提高数据传输的灵活性。
Patent WO-2021022929-A1 (WO)
Title: 一种单帧图像超分辨率重建方法
Inventor: ZHAO SHENGRONG
IPC: G06T5/00
Filed: 2020-06-24
Abstract: 本发明公开一种单帧图像超分辨率重建方法，方法包括：建立低分辨率图像和高分辨率图像之间的一致性对应关系，根据获取的0阶梯度、1阶梯度和2阶梯度，分别建立关于结构、边缘和纹理的观测模型，进而确定多重微分一致性约束模型；构建高分辨率图像和低分辨率图像之间在结构、边缘和纹理层面上对应的训练集；将训练集输入至训练模型进行训练，获得高分辨率图像和低分辨率图像之间的先验约束；利用半二次迭代方法根据多重微分一致性约束模型和先验约束建立超分辨率重建模型，并进行求解，得到高分辨率重建图像。本发明基于多重梯度构建多重微分一致性约束模型，并采用半二次迭代算法有效地整合内外部信息，提高超分辨率图像重建的精度。
Patent WO-2022000373-A1 (WO)
Inventor: GAO WEI
IPC: G06N3/08
Filed: 2020-07-01
Abstract: The present application discloses a compressive sensing-based neural network model compression method and device, and a computer-readable storage medium. In said method, standard compressive sensing constraint modeling is integrated into a conventional loss function, a first loss function is designed on this basis, and the first loss function is used to train original weight parameters, so that a compressive sensing modeling process can be integrated into a network training process; compressive sensing reconstruction is performed on the basis of a base of a transformation domain and an observation matrix obtained by training the original weight parameters, so as to obtain a reconstructed sparse coefficient and a fixed sparse coefficient, so that the inherent sparsity of the trained weight parameters can be fully mined in one transformation domain; and the inherent sparsity is used to train the reconstructed sparse coefficient, so that the network training process and the network compression process can be combined together, and the mining of the sparsity of weight parameters is fully trained as far as possible, finally achieving the purpose of fully compressing a neural network model.
Patent WO-2022000511-A1 (WO)
Inventor: HU LIJIAN
IPC: G01F19/00
Filed: 2020-07-03
Abstract: A sample analyzer (1) and a sample analysis method. The sample analyzer (1) comprises: a sample container accommodating device (90) configured to accommodate sample containers (91, 92, 93) for loading samples (100); a capacitive sensor (7) configured to measure the sample amount or sample positions of the samples (100) in the sample containers (91, 92, 93) in a manner of not contacting the samples (100); a sample processing device (50) configured to process the samples (100) in the sample containers (91, 92, 93); and a control device (30) communicationally connected to the capacitive sensor (7) and the sample processing device (50) and configured to obtain sample information of the sample containers (91, 92, 93) from the capacitive sensor (7), the sample information comprising at least one of information of the sample amount and information of the sample positions, and control a processing action of the sample processing device (50) according to the sample information or determine whether the sample processing device (50) performs the processing action. Therefore, the types of the sample containers or samples can be reliably recognized according to the capacitive sensor (7), and subsequent processing actions for the samples (100) in the sample containers (91, 92, 93) can be determined, thus improving the security of sample analysis.
Patent WO-2021258420-A1 (WO)
Inventor: GONG MAO
IPC: F03D1/02
Filed: 2020-07-06
Abstract: L'invention concerne un appareil à paire d'engrenages à double biseau d'une éolienne, comprenant une tour (12), un logement de compartiment (3), une broche d'éolienne (5), une pale d'éolienne avant (1), un engrenage composite d'arbre longitudinal primaire (8), un arbre longitudinal primaire (9), une pale d'éolienne arrière (2), un engrenage composite d'arbre longitudinal secondaire (10), et un arbre longitudinal secondaire (7). La tour (12) est disposée verticalement au fond du logement de compartiment (3) ; la broche d'éolienne (5) est disposée horizontalement à l'intérieur du logement de compartiment (3) ; les deux extrémités de la broche d'éolienne (5) s'étendent à l'extérieur du logement de compartiment (3), et sont respectivement reliées à la pale d'éolienne avant (1) et la pale d'éolienne arrière (2) ; un engrenage conique avant de broche (4) et un engrenage conique arrière de broche (6) sont disposés sur la broche d'éolienne (5) à la manière d'une liaison par clé ; l'engrenage conique avant de broche (4) et l'engrenage composite d'arbre longitudinal primaire (8) sont en liaison de transmission en prise ; l'engrenage conique arrière de broche (6) et l'engrenage composite d'arbre longitudinal secondaire (10) sont en liaison de transmission en prise ; l'engrenage composite d'arbre longitudinal primaire (8) et l'engrenage composite d'arbre longitudinal secondaire (10) sont en liaison de transmission en prise ; l'extrémité inférieure de l'arbre longitudinal primaire (9) traverse le logement de compartiment (3) et s'étend à l'intérieur de la tour (12) ; et une aile de queue (11) est disposée sur le côté extérieur du logement de compartiment (3). Dans le présent appareil, le dispositif permet de contrebalancer un couple de déviation et permet d'équilibrer complètement le couple, et le dispositif fonctionne de manière stable et économise de l'énergie, ce qui permet d'améliorer la fiabilité globale.
Patent WO-2021128804-A1 (WO)
Title: 一种汽车导向机构
Inventor: SUN LIJING
IPC: B60S5/06
Filed: 2020-07-07
Abstract: 一种汽车导向机构，包括：斜台（1）、放置台（2）、第一滚轴（3）、滚筒组件（4）、第二滚轴（5）和第一导向杆（6），斜台（1）与放置台（2）相接，第一滚轴（3）、第二滚轴（5）和第一导向杆（6）沿着放置台（2）从后往前依次设置；第一滚轴（3）与放置台（2）转动连接，第一滚轴（3）设置有两个，两个第一滚轴（3）之间的间距从后往前逐渐增大；第二滚轴（5）设置有两个，第二滚轴（5）与放置台（2）转动连接，两个第二滚轴（5）之间平行设置，第二滚轴（5）的后端位于第一滚轴（3）的前端处；滚筒组件（4）设置有两组，两组滚筒组件（4）位于两个第一滚轴（3）的两侧，滚筒组件（4）的顶面位于放置台（2）的表面；第一导向杆（6）设置有两个，两个第一导向杆（6）之间平行间隔设置。所述汽车导向机构能方便地对汽车的驾驶方向进行引导，且精度较高。
Patent WO-2021114663-A1 (WO)
Inventor: LIU ZHAOYANG
IPC: C04B24/42
Filed: 2020-07-17
Abstract: A two-component polyurethane composition for concrete modification and a preparation method therefor. The two-component polyurethane composition for concrete modification consists of a component A and a component B; the component A is formed by polymerizing the following raw materials in parts by mass: 5-20 parts of polyether polyol 1 and 80-100 parts of isocyanate; the component B is prepared from the following raw materials in parts by mass: 40-80 parts of polyether polyol 2, 20-60 parts of a viscosity reducer, 0.5-5 parts of a modification auxiliary agent, and 0.1-0.5 part of a catalyst; a mixing mass ratio of the component A to the component B is 1:1-4. The two-component polyurethane composition for concrete modification has the advantages of low viscosity, high permeability, hydrolysis resistance, controllable operation time, high strength, as well as easy construction and operation; concrete materials are modified, so that the mechanical properties of the concrete materials are improved.