baber/WOPTO huggingface dataset:
Patent WO-2021208251-A1 (WO)
Inventor: LIU LIPENG
IPC: G06K9/00
Filed: 2020-07-02
Abstract: 一种人脸跟踪方法及人脸跟踪设备，包括：获取待跟踪视频的图像帧，并对图像帧进行人脸检测（101）；根据人脸检测结果确定图像帧中的至少一个检测人脸（102）；获取跟踪列表中各跟踪人脸与至少一个检测人脸的交并比（103）；根据交并比确定各跟踪人脸与至少一个检测人脸的匹配关系（104）；根据匹配关系进行人脸跟踪（105）。该方法提高了人脸跟踪的效率与准确率，从而改善了用户体验。
Patent WO-2021004448-A1 (WO)
Inventor: MILLER CHARLES
IPC: F25C5/00
Filed: 2020-07-07
Abstract: Disclosed is an ice distribution assembly, the distribution assembly comprising a container (200), a rotatable drum (206), a motor (216), a stirrer bridge (230) and a rotatable blade (210), wherein the container (200) can define an opening (204) for allowing ice to pass therethrough; the rotatable drum (206) can be arranged below the container (200); the rotatable drum (206) can define an inner channel from a first arc point (260) to a second arc point (262); the rotatable blade (210) can be accommodated inside the rotatable drum (206) between the first arc point (260) and the second arc point (262); the rotatable drum (206) can move between a crushing machine position and a stirrer position; the crushing machine position can comprise the rotatable blade (210) being engaged with the rotatable drum (206) at the first arc point (260), and also being partitioned from the second arc point (262) in a circumferential direction; and the stirrer position can comprise the rotatable blade (210) being engaged with the rotatable drum (206) at the second arc point (262), and also being partitioned from the first arc point (260) in a circumferential direction.
Patent WO-2021253581-A1 (WO)
Title: Teflon spray-coated wet mixing granulator
Inventor: FANG ZHENG
IPC: B01J2/10
Filed: 2020-07-30
Abstract: A teflon spray-coated wet mixing granulator comprises a vessel (1) provided with a granulation blade. A feed delivery port (11) and a feeding port (12) are provided on the vessel (1). The granulation blade comprises a drive motor (23), a shaft coupling (22), and a blade member (21). The shaft coupling (22) is connected to the vessel (1) via a connection base (25). A rotating shaft sealing cap (24) is provided between the connection base (25) and the shaft coupling (22). A closing cover (26) is fitted over the shaft coupling (22). The connection base (25) is fitted over the closing cover (26) and is fixedly connected to the closing cover (26). The closing cover (26), the connection base (25), and the rotating shaft sealing cap (24) are assembled to form a sealed cavity. An air inlet channel (251) and an air outlet channel (252) are provided on the connection base (25) and/or the closing cover (26). A positioning frame (5) is provided at a side of the vessel (1) of the feed delivery port (11). A drive pneumatic cylinder (6) is provided on the positioning frame (5). An output shaft (61) of the drive pneumatic cylinder (6) is connected to a blocking plate (62). Multiple purge nozzles (8) are provided on the positioning frame (5). A filter cylinder (3) is further provided on the feeding port (12).
Patent WO-2021036699-A1 (WO)
Inventor: WU RUIZHENG
IPC: G06K9/00
Filed: 2020-08-03
Abstract: Provided are a video frame information labeling method, device and apparatus, and a storage medium. The method comprises: obtaining a video to be processed (601); for a target video frame in the video to be processed, performing feature extraction on the target video frame to obtain a target image feature of the target video frame (602); according to the image feature matching degree of the target video frame and labeled video frames, determining a guide video frame of the target video frame from the labeled video frames, wherein the guide video frame is used for guiding the target video frame for information labeling, and the image feature matching degree is the matching degree between the target image feature and the image feature corresponding to the labeled video frames (603); and generating target labeling information corresponding to the target video frame according to the labeling information corresponding to the guide video frame (604). By improving the selection quality of the guide video frame, the accuracy of the generated labeling information is improved; and the propagation error of the labeling information does not accumulate, thereby improving the propagation quality of the labeling information.
Patent WO-2022027238-A1 (WO)
Title: Wireless communication method, terminal device, and network device
Inventor: YOU XIN
IPC: H04W52/02
Filed: 2020-08-04
Abstract: Provided are a wireless communication method, a terminal device, and a network device. A terminal device in an idle state or a deactivated state can acquire and/or update a TA during a random access process to perform uplink synchronization on the basis of the TA, so as to realize the sending of an SRS. The wireless communication method comprises: a terminal device receiving a TA during a random access process; and the terminal device sending an SRS according to the TA, wherein the terminal device is in an idle state, or the terminal device is in a deactivated state.
Patent WO-2022041136-A1 (WO)
Inventor: HU LIANG
IPC: H02K7/04
Filed: 2020-08-28
Abstract: A balancing plate, which is used for being arranged at an end in an axial direction (A) of a rotor of an electric motor and cannot be rotationally connected to the rotor. The balancing plate is disk-shaped and provided, in the axial direction (A), with a first end facing the rotor and a second end away from the rotor. The balancing plate comprises an inner ring (21), an outer ring (22) and a plurality of blades (23). The inner ring (21) and the outer ring (22) are both annular, the outer ring (22) is located on a peripheral side of the inner ring (21), and in a radial direction (R) of the balancing plate, the blades (23) connect the inner ring (21) and the outer ring (22); the plurality of blades (23) are arranged in a circumferential direction of the balancing plate at intervals; and hollowed-out portions (K) which pass along the axial direction (A) of the balancing plate are formed between the adjacent blades (23). The present invention further provides an electric motor.
Patent WO-2021043245-A1 (WO)
Title: Hydantoin derivative
Inventor: NISHIOKA YOTA
IPC: A61P25/00
Filed: 2020-09-04
Abstract: A compound represented by general formula (I-a) : has a strong DDR1 inhibitory activity, and can be a therapeutic agent for DDR1-related diseases, for example, a cancer, a kidney disease, a cardiovascular disease, a central nervous system disease, or fibrosis.
Patent WO-2021043304-A1 (WO)
Inventor: HUANG HSIN MIN
IPC: H04R1/10
Filed: 2020-09-07
Abstract: 本发明公开了一近耳式音响装置及其音杯以及音效收听方法，其中所述音杯包括一杯体和一发声部。所述杯体具有一音腔、连通于所述音腔的一开口以及界定所述开口的一向耳侧。所述发声部包括一扬声器和一转向部，所述扬声器具有一振膜，所述转向部具有一转向面，其中所述转向部以所述转向部的所述转向面朝向所述扬声器的所述振膜的方式被邻近地设置于所述扬声器，并且在所述转向部的所述转向面和所述扬声器的所述振膜之间形成一声波通道，所述杯体的所述开口对应于所述发声部的所述声波通道。
Patent WO-2021063344-A1 (WO)
Inventor: XING SHUANGSHUANG
IPC: H04W72/02
Filed: 2020-09-29
Abstract: Disclosed in embodiments of the present application are a random access method and apparatus. The method comprises: a terminal device performs a first type of random access in a first bandwidth part, the first bandwidth part being an activated uplink bandwidth part; the terminal device determines a first parameter, the first parameter being the duration for which the first type of random access is performed in the first bandwidth part, or the first parameter being the number of times a first type of random access message is sent; and if the first parameter is greater than a first threshold, then the terminal device performs random access in a second bandwidth part, the second bandwidth part being an uplink bandwidth part, and the identifier of the second bandwidth part being different from the identifier of the first bandwidth part. Implementing the method described in the embodiments of the present application may improve the success rate of random access, and may be beneficial in terminal devices promptly accessing a network.
Patent WO-2021093496-A1 (WO)
Inventor: LI XIANMING
IPC: H04L12/24
Filed: 2020-10-12
Abstract: 本申请实施例提供执行意图的方法及装置，涉及无线通信领域，可以自动监控执行条件的到来，简化了执行意图的过程。该方法包括：网络管理系统NMS接收来自业务支撑系统BSS或运营支撑系统OSS的第一意图，该第一意图用于指示该NMS对网络执行管理操作，该第一意图包括第一条件信息，该第一条件信息用于指示该NMS对该网络执行该管理操作之前，该网络满足的第一前提条件；该NMS根据该第一前提条件执行该第一意图。
Patent WO-2021103836-A1 (WO)
Title: 一种登机口服务人员排班规划和派遣系统
Inventor: YU YU
IPC: G06Q10/06
Filed: 2020-10-16
Abstract: 一种登机口服务人员排班规划和派遣系统，包括：航班管理模块、资源规划模块、排班管理模块、实时派遣模块、统计分析模块、任务竞标模块，所述派遣系统的业务流程如下：结合保障标准（业务规则）与历史数据经验，导入航班信息；生成航班保障任务；对整体的任务量进行预测并合理制定排班计划；生成当日的派遣计划；对航班计划进行异常监控；根据异常监控的实际反馈来对派遣计划做相应调整；发布派遣结果；统计分析数据以作为历史数据经验。所述系统航班准点率更高、人力资源的使用效率更好；满足对劳动生产效率、员工执勤公平性、员工工作强度等信息透明化的需求；通过跨岗位资源的流动，可进一步提高人力资源使用效率，提高员工积极性。
Patent WO-2022027832-A1 (WO)
Title: Horizontal axis wind turbine blade fatigue load reduction device and method
Inventor: ZHENG LEI
IPC: F03D1/06
Filed: 2020-10-22
Abstract: A horizontal axis wind turbine blade fatigue load reduction device and method. The device comprises a blade fatigue load reduction device body (3); the blade fatigue load reduction device body is mounted between a blade root flange (2) and a pitch bearing flange (4); the fatigue load reduction device body comprises a housing structure and slider restoring force systems; multiple groups of slider restoring force systems are uniformly arranged in the housing structure and between two adjacent connection bolts along the circumferential direction of an end surface; each slider restoring force system consists of a slider (303) and a restoring force providing assembly (305); each slider is separately connected to the sidewall of the housing structure by means of the restoring force providing assembly; the top inner surface of the housing structure is in contact with the upper surface of the slider; and the bottom inner surface of the housing structure is in contact with the lower surface of the slider. The research and development of the device can be independently realized without involving the design links of the whole device and blades, and the mounting of the device does not relate to a blade production link, and does not affect the safety of the blade itself.
Patent WO-2022088066-A1 (WO)
Inventor: LIU CHANGQING
IPC: G16H50/80
Filed: 2020-10-30
Abstract: Un système d'avertissement précoce financier de sécurité de santé publique (100) sur la base du suivi et de l'analyse de micro-organismes dans l'argent liquide, comprend : une partie d'enregistrement d'informations sur l'argent liquide (110), utilisée pour enregistrer des informations d'identification uniques permettant d'identifier chaque unité d'argent liquide ; une partie de détection d'informations biologiques (120), utilisée pour détecter et enregistrer des informations biologiques portées par chaque unité d'argent liquide ; une partie d'association d'informations (130), utilisée pour associer les informations biologiques de chaque unité d'argent liquide détectées par la partie de détection d'informations biologiques (120) aux informations d'identification uniques de chaque unité d'argent liquide enregistrée par la partie d'enregistrement d'informations d'argent liquide (110) ; une partie d'analyse (140), utilisée pour obtenir une source et un flux de chaque unité d'argent liquide en fonction des informations d'identification uniques de chaque unité d'argent liquide, et analyser une situation de distribution d'organismes associée à chaque unité d'argent liquide en fonction des informations biologiques associées aux informations d'identification uniques de chaque unité d'argent liquide et sur la base de la source et du flux obtenus de chaque unité d'argent liquide ; et une partie d'avertissement précoce (150), utilisée pour fournir, lorsque la partie d'analyse détecte des informations biologiques anormales, des informations d'avertissement précoce sur la base des informations biologiques anormales et de la situation de distribution d'organismes.
Patent WO-2021088921-A1 (WO)
Inventor: ZHANG ZHIFENG
IPC: F28F3/08
Filed: 2020-11-05
Abstract: Disclosed in the embodiments of the present invention are a heat exchange plate for a plate heat exchanger, and a plate heat exchanger having the heat exchange plate. The heat exchange plate comprises: a heat exchange plate body; and an annular flange extending obliquely from the edge of the heat exchange plate body. The flange has reinforcing protrusions. The heat exchange plate and the plate heat exchanger according to the embodiments of the present invention can, for example, improve the quality of the heat exchange plate of the heat exchanger.
Patent WO-2021088990-A1 (WO)
Inventor: WANG WEN
IPC: H04W88/04
Filed: 2020-11-06
Abstract: Disclosed in embodiments of the present invention are a relay connection establishing method and device. The method comprises: a source UE sends a first direct communication request message to a next-hop relay UE of the source UE, wherein the first direct communication request message is used for requesting establishment of a first direct communication connection between the source UE and the next-hop relay UE of the source UE in an establishing process of a relay connection from the source UE to a target UE; and receiving a first direct communication acceptance message from the next-hop relay UE of the source UE, wherein the first direct communication acceptance message is used for accepting the request of establishing the first direct communication connection in the relay connection establishing process.
Patent WO-2022088238-A1 (WO)
Inventor: WANG XUN
IPC: G06K9/00
Filed: 2020-11-10
Abstract: 本发明公开了一种面向文本到视频片段定位的渐进式定位方法，该方法包括：首先利用不同的特征提取方法分别提取视频和文本这两种模态的特征；接着渐近地选择不同的步长，多阶段地学习视频和文本之间的相关性；最后结合各个阶段的相关性损失，以端到端的方式训练模型。同时，通过条件特征更新模块和上采样连接让细时间粒度阶段融合粗时间粒度阶段的信息，使得不同阶段之间相互促进。不同阶段能关注不同时间粒度的片段，结合阶段之间的相互联系，使得模型能应对目标片段长度变化明显的情况。本发明借鉴人类在处理片段定位任务的思维方式，采用一种由粗到细的方式，多阶段、渐近地定位目标片段，在很大程度上提高了定位的性能。
Patent WO-2021104032-A1 (WO)
Title: 数据处理方法、装置、用户设备及增强现实系统
Inventor: PENG DONGWEI
IPC: G06F9/54
Filed: 2020-11-12
Abstract: 一种数据处理方法、装置、用户设备及增强现实系统，涉及显示技术领域。该方法包括：在第一显示屏的显示区域显示至少一个虚拟物体（S301）；触发所述至少一个虚拟物体朝向第二用户设备移动，以使所述至少一个虚拟物体移动至所述第二用户设备对应的观察区域时，所述第二用户设备在第二显示屏的显示区域内显示所述至少一个虚拟物体（S302）。佩戴第一用户设备的用户能够将虚拟物体发送到佩戴第二用户设备的用户的视野内，而被佩戴第二用户设备的用户看到，从而能够提高佩戴第一用户设备的用户与佩戴第二用户设备的用户之间的互动性。
Patent WO-2021159799-A1 (WO)
Title: Livestreaming method, apparatus and device, and computer-readable storage medium
Inventor: DU HAITAO
IPC: H04N21/258
Filed: 2020-11-19
Abstract: The present application relates to the technical field of computers, and provided therein are a livestreaming method, apparatus and device, and a computer-readable storage medium, which are used to provide a method for acquiring information of different parties who livestream together. The method comprises: receiving team formation instruction information, which comprises account information of at least one party in the same team in a target application; acquiring livestream identification information of a party that corresponds to the account information of the at least one party and that participates in teamed livestreaming; and sending the acquired livestream identification information to a client used for teamed livestreaming and a client that plays back the teamed livestreaming media stream so that the clients display part or all of the livestream identification information. In the described method, livestream identification information of parties who are livestreaming simultaneously is acquired, and each client is enabled to display the acquired livestream identification information so that a party watching a livestream can promptly and conveniently learn information of each of the parties who are livestreaming in the same event.
Patent WO-2022104729-A1 (WO)
Inventor: WANG XINGHONG
IPC: G01N35/10
Filed: 2020-11-20
Abstract: L'invention concerne un procédé d'amélioration de l'efficacité de mélange de prélèvement et de décharge, qui comprend : l'obtention d'informations de quantité restante d'un réactif et la lecture d'une spécification de bouteille de réactif ; l'obtention d'une hauteur de niveau de liquide H du réactif à l'intérieur de la bouteille de réactif ; l'obtention d'une première profondeur de sonde vers le bas D0 d'une aiguille de prélèvement d'échantillon sondant vers le bas jusqu'à une partie inférieure de la bouteille de réactif ; l'obtention d'une deuxième profondeur de sonde vers le bas D1 de l'aiguille de prélèvement d'échantillon sondant vers le bas à l'intérieur de la bouteille de réactif selon la formule : D1 = D0 - H ; l'obtention d'une troisième profondeur de sonde vers le bas D2 de l'aiguille de prélèvement d'échantillon sondant vers le bas à l'intérieur de la bouteille de réactif selon la formule : D2 = D1 + H / 4 ; l'aiguille de prélèvement d'échantillon s'étend vers le bas à l'intérieur de la bouteille de réactif jusqu'à la troisième profondeur de sonde vers le bas D2 et prélève le réactif ; et l'aiguille de prélèvement d'échantillon sonde vers le bas à l'intérieur de la bouteille de réactif jusqu'à la première profondeur de sonde D0 et décharge le réactif. Aucun coût supplémentaire pour l'équipement de mélange n'est ajouté, l'opération est rapide et pratique et l'efficacité de mélange d'un réactif est améliorée.
Patent WO-2021104291-A1 (WO)
Title: Dispositif électronique et dispositif pouvant être porté doté d'un élément élastomère
Inventor: XUE YUEGE
IPC: H01H13/36
Filed: 2020-11-25
Abstract: L'invention concerne un dispositif électronique (100) doté d'un élément élastomère (150), comprenant un boîtier (110), une touche (140) reliée au boîtier (110) et mobile par rapport à ce dernier lorsqu'elle est pressée, une carte de circuit imprimé (180) reliée au boîtier (110), une structure de déclenchement (170) connectée électriquement à la carte de circuit imprimé (180). L'élément élastomère (150) comprend une première connexion (151) connectée électriquement à la carte de circuit imprimé (180) et une seconde connexion (153) en butée sur la touche (140). La touche (140), la première connexion (151) et la seconde connexion (153) sont conductrices sur la carte de circuit imprimé (180). Lorsque la touche (140) est pressée, l'élément élastomère (150) peut générer deux niveaux de déformation et provoquer la seconde connexion (153) de façon à passer d'un état espacé de la structure de déclenchement (170) à un état en contact avec la structure de déclenchement (170), ce qui permet d'augmentant la durée de vie de l'élément élastomère (150) et d'augmenter la durée de vie de la touche (140). L'invention concerne également un dispositif pouvant être porté (10).
Patent WO-2021203715-A1 (WO)
Title: Battery core
Inventor: LI WEI
IPC: H01M50/102
Filed: 2020-11-26
Abstract: A battery core, especially a cylindrical battery core for implementing battery core polarity separation by using a central hole of an electrode group. The cylindrical battery core comprises an electrode group (200) provided with a central hole and formed by winding a positive electrode (201), a negative electrode (202), and a separator (203); a group of battery core polarity separation components are provided in the central hole of the electrode group; each component comprises a plug-in assembly casing (101), an insulating substance (102) for battery core polarity separation, and at least one electrode lead-out conductor (103, 104); the positive electrode (201) and/or the negative electrode (202) in the electrode group (200) can be led out by means of the conductor (103, 104); and the battery core polarity separation component can be hermetically connected to a battery core housing (300) to form an annular cavity, so that the electrode group is sealed inside to form an electrochemical isolation working environment. According to such a structural design, the insulating material for battery core polarity separation is arranged in a winding central hole which cannot be removed and exists in the winding, so that the space originally used for implementing polarity separation is saved, and the energy density of the battery core can be improved.
Patent WO-2021174923-A1 (WO)
Inventor: MENG YUAN
IPC: G06F40/30
Filed: 2020-11-26
Abstract: The present application relates to the technical field of artificial intelligence, and provides a concept word sequence generation method, apparatus, computer device, and storage medium. The method is: obtaining a question statement; obtaining a conceptual knowledge base; according to keywords of the concept knowledge base, extracting keywords of the question statement from the question statement; according to a correlation between the keywords in the concept knowledge base and the concept word, determining a concept word corresponding to a keyword of the question statement; according to the word order of the keywords of the question statement, combining the concept words corresponding to the keywords of the question statement into a sequence of concept words. In the present application, a concept word corresponding to a keyword of the question statement is determined according to a correlation between the keywords in the concept knowledge base and the concept word, and a concept word sequence of the statement is generated, improving the efficiency of generating concept word sequences. The present application also relates to the field of medical technology, improving the accuracy of medical smart question-and-answer. The present application also relates to blockchain technology.
Patent WO-2021196672-A1 (WO)
Title: 一种下沉式fpc连接器安装结构
Inventor: CHEN JINSONG
IPC: H01R13/648
Filed: 2020-11-27
Abstract: 一种下沉式FPC连接器（1）安装结构，由相互固定连接的FPC连接器（1）和线路板（2）构成。其中，FPC连接器（1）包括绝缘胶座（11）、外壳体（12）、接线端子（13）以及FFC排线（14）。其中，外壳体（12）包括顶板（121）、底板（122）以及连接板（123）。在线路板（2）开设有与FPC连接器（1）外形相适配的安装槽口（21）。由底板（122）的左、右端部向上分别延伸出有左折弯固定臂（1221）、右折弯固定臂（1222）。当FPC连接器（1）相对于安装槽口（21）置放到位后，分别借助于左折弯固定臂（1221）、右折弯固定臂（1222）实现与线路板（2）的焊接、固定。这样一来，一方面，有效地降低了FPC连接器（1）安装结构的整体高度值，利于其上级元器件的小型化以及集成化设计；另一方面，预留出足够的空间以便于执行FFC排线（14）的安装、拆卸操作。
Patent WO-2022116085-A1 (WO)
Inventor: DAI ZHENYU
IPC: H04N19/132
Filed: 2020-12-03
Abstract: 本申请实施例提供一种编码方法、解码方法、编码器、解码器以及电子设备，能够提升压缩性能。该编码方法，包括：将目标图帧划分为多个图像块，所述多个图像块中的多个图像块包括目标色度块；若可使用基于神经网络的色度预测模式对所述目标色度块进行帧内预测，在基于神经网络的色度预测模式和传统预测模式中选择最优预测模式；基于利用所述最优预测模式得到目标预测块，得到目标残差块；对所述目标残差块、允许标识以及控制标识进行编码，得到码流。
Patent WO-2021208493-A1 (WO)
Title: 插入式断路器
Inventor: LU KEJUN
IPC: H01H71/10
Filed: 2020-12-26
Abstract: 一种低压电器领域的插入式断路器，其包括断路器外壳（1）以及设置在断路器外壳（1）内的锁定机构、解锁机构、按钮机构（2）、与按钮机构（2）连接的操作机构；操作按钮机构（2）能通过操作机构驱动断路器合闸/分闸；所述锁定机构包括一端突出在断路器外壳（1）外部的第一锁定件（1a），断路器外壳（1）包括与第一锁定件（1a）配合的锁定件开孔（17）；所述解锁机构包括与第一锁定件（1a）驱动配合的独立的拉拔件（2a），所述断路器处于分闸状态时，第一锁定件（1a）一端从锁定件开孔（17）伸出在断路器外壳（1）外部，拉动拉拔件（2a）能驱动第一锁定件（1a）缩回断路器外壳（1）内部；所述插入式断路器，其包括独立于按钮机构（2）的解锁机构，避免因分闸操作将断路器从断路器装配位误拔出的情况发生。
Patent WO-2022140925-A1 (WO)
Title: 流体引导装置、飞行器、桨叶和控制方法
Inventor: XIAO XIANG
IPC: B64C11/00
Filed: 2020-12-28
Abstract: 一种流体引导装置(100)、飞行器(200)、桨叶(201)、流体引导装置(100)的控制方法、飞行器(200)的控制方法，流体引导装置(100)包括转动机构(11)、基座(12)、转轴(13)和转动体(14)，基座(12)连接在转动机构(11)上，并在被转动机构(11)驱动的情况下沿第一轴线L1转动，转轴(13)能够沿第二轴线L2转动连接在基座(12)上，转动体(14)能够转动连接转轴(13)，其中，转动体(14)沿第一轴线L1周向布置，在转动体(14)处于静止状态的情况下，转动体(14)的重心g与转轴(13)的中心o形成的连线L3与第一轴线L1成一不为90度的角度a，第一轴线L1和第二轴线L2相互垂直。
Patent WO-2021248908-A1 (WO)
Title: 基于高斯过程回归的室外场景三维点云的地面提取方法
Inventor: AN YI
IPC: G06K9/46
Filed: 2021-01-11
Abstract: 本发明涉及三维点云的地面提取方法，一种基于高斯过程回归的室外场景三维点云的地面提取方法，包括以下步骤：(1)获取室外场景的三维点云，(2)构建三维点云的邻域关系，(3)计算三维点云的协方差矩阵和法向量，(4)根据邻域形状对三维点云进行初步分类，(5)提取初步地面Gs，(6)分割初步地面，(7)二维高斯过程回归，(8)寻找局部地面邻域(9)提取最终地面Ge。本发明利用逐层提取的思想和高斯过程回归的构建，从室外场景三维点云中准确完整地提取出了地面点云数据，有效地解决了由于室外场景复杂、地面零碎、起伏不定等因素而造成的地面提取不完整、不准确的问题。