baber/WOPTO huggingface dataset:
Patent WO-2022217708-A1 (WO)
Title: Artificial intelligence-based question and answer method and apparatus, server, and storage medium
Inventor: REN LONGWEI
IPC: G06F16/332
Filed: 2021-05-29
Abstract: An artificial intelligence-based question and answer method and apparatus, a server, and a storage medium. The method is applied to the field of artificial intelligence, and the method comprises: acquiring a question and answer request submitted by a first terminal, the question and answer request carrying user information of a target user and question description information (S101); acquiring a service information set of the target user according to the user information (S102); identifying the question intention of the target user by using the question description information to obtain an intention recognition result (S103); converting the intention recognition result into a target question and answer instruction (S104); matching a target reply template for the target user according to the service information set and the target question and answer instruction (S105); and obtaining reply content for the target user according to the target reply template, and outputting the reply content by means of the first terminal (S106). The described method can improve the quality of a question and answer service. The method relates to blockchain technology, and can write user information, question description information, and reply content into a blockchain.
Patent WO-2022252068-A1 (WO)
Inventor: LI DONG
IPC: G06F9/46
Filed: 2021-05-31
Abstract: 一种分布式应用程序构建方法、执行方法、计算设备以及存储介质。其中，应用程序构建方法包括：确定构成应用程序的多个功能模块（S102）；为每一个功能模块附加预先配置的通信组件（S104）；利用所述通信组件，建立所述功能模块之间的连接关系，并将所述连接关系存储在配置文件中（S108）。
Patent WO-2022236899-A1 (WO)
Inventor: YANG WEIMING
IPC: B05B5/00
Filed: 2021-06-04
Abstract: L'invention concerne un pulvérisateur électrostatique, comprenant dans l'ordre, le long de la direction d'écoulement d'un liquide : un récipient de stockage de liquide (1), un tuyau d'entrée de liquide (2), une pompe de transport (3) et un tuyau de sortie de liquide (4), ainsi qu'une buse de pulvérisation (5). Le tuyau d'entrée de liquide (2), la pompe de transport (3) et le tuyau de sortie de liquide (4) et la buse de pulvérisation (5) sont montés sur un boîtier (6) ; un générateur de haute tension (7) est en outre monté dans le boîtier (6), et une électrode du générateur de haute tension (7) est en contact avec le liquide pour charger le liquide ; un support métallique (20) est disposé entre le tuyau de sortie de liquide (4) et la buse de pulvérisation (5), et la buse de pulvérisation (5) est montée de manière amovible sur le support métallique (20). Selon le pulvérisateur électrostatique, le générateur de haute tension (7) est en contact avec le liquide pour charger le liquide, et le liquide chargé passe à travers la buse de pulvérisation (5) pour former des pulvérisations électrostatiques, ce qui permet d'améliorer le taux d'utilisation de pulvérisation et l'effet de pulvérisation.
Patent WO-2022068261-A1 (WO)
Inventor: GAO YANG
IPC: H05K7/20
Filed: 2021-06-11
Abstract: A data processing device and a data processing system. The data processing device comprises: a housing, which is thermally conductive and encloses a sealed accommodating cavity; a computing power board, provided in the accommodating cavity and fixedly connected to the housing; a control board, in communication connection with the computing power board; and a power supply module, electrically connected to the computing power board.
Patent WO-2021254503-A1 (WO)
Title: Signal detection circuit, signal detection method, fingerprint recognition apparatus, and display device
Inventor: LIU YINGMING
IPC: G06K9/00
Filed: 2021-06-18
Abstract: A signal detection circuit, a signal detection method, a fingerprint recognition apparatus, and a display device, relating to the technical field of display. The signal detection circuit comprises: a detection module, the detection module being configured to detect an ultrasonic echo signal and generate a plurality of piezoelectric sub-signals according to the ultrasonic echo signal, wherein the plurality of piezoelectric sub-signals have one-to-one correspondence to a plurality of periods of the ultrasonic echo signal, and the plurality of piezoelectric sub-signals correspond to wave crest signals of the plurality of periods, or the plurality of piezoelectric sub-signals correspond to wave trough signals of the plurality of periods; and a sampling module, the sampling module being connected to the detection module and being configured to receive a corresponding sampling signal in each period, and store, at an output end of the sampling module, the sampling signal corresponding to the period and the plurality of piezoelectric sub-signals.
Patent WO-2022147971-A1 (WO)
Inventor: Zuo Yanfen
IPC: C10G11/05
Filed: 2021-06-24
Abstract: A fluidized catalytic conversion method for maximizing the production of propylene, the method comprising the following steps: 1) bringing a heavy feedstock oil into contact with a catalytic conversion catalyst at a temperature of 650°C or more for a reaction; 2) bringing a hydrocarbon oil feedstock with an olefin content of 50wt% or more into contact with the catalytic conversion catalyst, which has undergone the reaction of step 1), for a reaction; 3) separating a first catalytically cracked fraction oil and a second catalytically cracked distillate oil from the resulting reaction oil gas; 4) separating an olefin-rich stream from the first catalytically cracked fraction oil; and 5) recycling the olefin-rich stream. The method of the present application can effectively increase the yield of propylene and realizes effective utilization of petroleum resources.
Patent WO-2022183674-A1 (WO)
Inventor: LI YUN
IPC: G01C21/36
Filed: 2021-07-29
Abstract: A navigation prompt method and a navigation prompt apparatus, and a storage medium and an electronic device. The navigation prompt method comprises the following steps: acquiring the current position and a navigation route of a vehicle, so as to determine the position of a next turning intersection in the navigation route (S10); determining a travel distance between the current position and the next turning intersection (S12); when the travel distance is less than a pre-determined distance, acquiring an image of a surrounding environment at the next turning intersection (S14); recognizing a symbolic object in the image of the surrounding environment (S16); and outputting navigation prompt information that takes the symbolic object as a reference point (S18). The navigation prompt apparatus comprises a navigator, a camera apparatus, a processor and an output apparatus, and is used for outputting navigation prompt information that takes a symbolic object as a reference point. By means of the navigation prompt method and the navigation prompt apparatus, more accurate and reliable navigation prompt information can be provided to a driver, thereby solving the problem of a poor driving experience of the driver.
Patent WO-2023010237-A1 (WO)
Inventor: REN KAI
IPC: H04W4/00
Filed: 2021-08-01
Abstract: The present application relates to the field of Bluetooth broadcasting, and discloses a sending method, receiving method and apparatuses for Bluetooth broadcasting, devices and a medium. The sending method for Bluetooth broadcasting comprises: a first Bluetooth device sends Bluetooth broadcast synchronization information to a second Bluetooth device, wherein the Bluetooth broadcast synchronization information comprises a uniform resource locator (URL) address, and the URL address points to target information.
Patent WO-2023015598-A1 (WO)
Inventor: DIAO JIAN
IPC: A61H3/04
Filed: 2021-08-20
Abstract: 一种智能助行器的防滑及防摔控制方法、智能助行器、控制器。智能助行器包括车体，车体底部设置有前轮（11）和后轮（12），前轮（11）或后轮（12）由电机驱动，防滑控制方法包括：当智能助行器移动时，获取智能助行器的防滑控制参数，防滑控制参数包括以下至少一项：电机的转动速度、电机的转动加速度、智能助行器的防滑控制级别（S11）；对电机施加与电机的转动方向相反的力矩，其中，力矩的大小与防滑控制参数的大小正相关（S12）。防滑控制方法根据防滑控制参数调节对电机施加的反向力矩的大小，提高了智能助行器的防滑性能，使得智能助行器的使用更为安全。
Patent WO-2022052839-A1 (WO)
Inventor: XU HAN
IPC: G06Q30/02
Filed: 2021-08-31
Abstract: A multimedia information display method and apparatus, an electronic device, and a storage medium, relating to the technical field of data processing. Said method comprises: acquiring multimedia information to be displayed (S101); displaying main multimedia information on a display interface (S102); after the main multimedia information is displayed for a preset duration, determining a cover of at least one piece of additional multimedia information, and simultaneously displaying the main multimedia information and the cover on the display interface (S103); and in response to a click operation on the cover, switching the main multimedia information displayed on the display interface to the additional multimedia information corresponding to the click operation (S104). Said method realizes the linked display of a plurality of pieces of multimedia information; instead of being compulsively displayed, additional multimedia information is triggered to be displayed only when a user clicks a cover, thus pushing an advertisement in a more user-friendly way, facilitating a user in having an insight to advertisement content.
Patent WO-2022105361-A1 (WO)
Inventor: BIAN XUEPENG
IPC: G01N19/02
Filed: 2021-08-31
Abstract: A vehicle control method, comprising: step (S1), acquiring a slip ratio in a current control cycle of a vehicle; step (S2), invoking a corresponding calculation strategy according to the slip ratio, to calculate a road friction coefficient in the current control cycle of the vehicle; and step (S3), inputting the road friction coefficient into a vehicle control optimization model to obtain a control instruction for the current control cycle of the vehicle, so as to control the vehicle in real time. According to the vehicle control method, corresponding road friction coefficients can be obtained by means of different calculation strategies at different slip ratios, and thus, the parameter identification precision is improved; moreover, the high-precision road friction coefficient is used for constructing a vehicle control optimization model for prediction to obtain a vehicle control instruction, and thus, the precision of adaptive control of road surface switching during vehicle driving is improved. Also provided are an apparatus for implementing the control method, a computer-readable storage medium, and an electronic device.
Patent WO-2022062959-A1 (WO)
Inventor: CHENG RONG
IPC: G03F7/20
Filed: 2021-09-14
Abstract: Disclosed are a controllable lifting device with precision measurement capability and a photolithography apparatus containing the same. The device comprises a fixing base, a guiding base, a moving assembly and a driving assembly. The fixing base has fixed connection to the guiding base. The fixing base is provided with a guiding bushing having a vertical axis. The moving assembly comprises a lifting head, a guiding rod and a magnetic steel. A mounting hole is arranged on the upper end of the guiding rod. The guiding rod passes through the guiding bushing and forms air-bearing contact surfaces with the guiding bushing, the fixing base and the guiding base. The magnetic steel and the lifting head are mounted in sequence into the mounting hole of the guiding rod such that the lifting head protrudes from the upper end of the guiding bushing. The driving assembly comprises a motor coil and an iron core. The iron core is arranged in the annular space between the guiding rod and the guiding bushing. The motor coil is wound onto the iron core. An air hole is provided at the center of the moving assembly. The fixing base provides a positive-pressure or negative-pressure gas to the air hole by means of an air passage of the guiding rod. According to the present disclosure, air-bearing contact surfaces are used to guide the direction. The friction between parts is reduced, particles are not generated, motion precision is improved, and the requirement of motor driving force is reduced.
Patent WO-2023039955-A1 (WO)
Inventor: ZHOU ZHENG
IPC: G02F1/13357
Filed: 2021-09-29
Abstract: A display panel (1000) and an electronic apparatus. The electronic apparatus comprises the display panel (1000). The display panel (1000) comprises a backlight module (200), wherein the backlight module (200) comprises a frame (20), an optical film set (30) and a fixing block (40). By means of pressing the fixing block (40) over the optical film set (30), the movement of the optical film set (30) in the thickness direction of the display panel (1000) can be limited, so as to achieve an effect of fixing an optical film, such that problems of abnormal sound, shifting and scratching of an optical film in the display panel (1000) when using a direct-type light source are avoided.
Patent WO-2023004996-A1 (WO)
Title: 电子烟雾化组件、雾化芯的制备方法和电子烟
Inventor: TANG JIANGUO
IPC: A24F40/00
Filed: 2021-10-09
Abstract: 一种电子烟雾化组件（100）、雾化芯（20）的制备方法和电子烟，电子烟雾化组件（100）包括：壳体（10），壳体（10）内具有储液腔（12）和雾化腔（13），壳体（10）上设有与外界大气连通的出气通道（11），雾化腔（13）与出气通道（11）连通；雾化芯（20），雾化芯（20）设置在壳体（10）内，雾化芯（20）包括多孔体（21）和发热体（23），多孔体（21）具有吸液面（211）、雾化面（212）以及连接吸液面（211）与雾化面（212）的外周面（213），吸液面（211）与储液腔（12）连通，雾化面（212）与雾化腔（13）连通，发热体（23）设于雾化面（212）；多孔体（21）的至少部分外表面设有阻隔层（24），阻隔层（24）中的阻隔材料填充多孔体（21）的外表面的至少部分微孔，阻隔层（24）的厚度小于0.1mm,且大于0.05μm。
Patent WO-2022257325-A1 (WO)
Title: Novel explosion-proof variable-frequency vortex fan
Inventor: LIN XIANGEN
IPC: F04D25/08
Filed: 2021-10-22
Abstract: A novel explosion-proof variable-frequency vortex fan, comprising a motor (1), a pump head (2), and a base (3). The motor (1) is fixed to the base (3) by means of a bracket (4); the pump head (2) is fixedly connected to the base (3) by means of a blocking plate (5); transmission is performed between the motor (1) and the pump head (2) by means of a coupling (6); a flange disc (7) is provided between the motor (1) and the pump head (2) and located on an outer ring of the coupling (6); a flange face at one end of the flange disc (7) is fixedly connected to an end face of the motor (1), and a flange face at the other end is fixedly connected to a rear end of the pump head (2); a positioning disc (8) and a separation sleeve (9) are sequentially provided between the flange disc (7) and the pump head (2); the center of the positioning disc (8) is provided with a positioning shaft hole (8a). The structure solves the problem that upon high-speed operation of an existing vortex fan, the motor is prone to shaking and the coupling is prone to collision with a foreign object.
Patent WO-2022100688-A1 (WO)
Inventor: DENG XIANMING
IPC: A61K31/498
Filed: 2021-11-12
Abstract: Provided are an HPK1 kinase modulator, a preparation method therefor, and an application thereof. Specifically provided are a compound represented by formula (A) or a stereoisomer thereof, a prodrug thereof, a pharmaceutically acceptable salt thereof or a pharmaceutically acceptable solvate thereof, a preparation method for the compound, a pharmaceutical composition comprising the compound, a use of these compounds for preventing and/or treating cancer or other diseases, or for modulating immune responses, or for modulating the activity and/or functionality of an HPK1 kinase.
Patent WO-2022116824-A1 (WO)
Inventor: WANG YINGBIN
IPC: H04N19/105
Filed: 2021-11-17
Abstract: 本申请实施例公开了一种视频解码方法、视频编码方法、相关设备及存储介质，其中视频解码方法包括：在当前图像的当前编码单元中确定待解码的当前串；若所述当前串为单位矢量串，且所述当前串中包括第一像素，则从所述当前图像中的历史解码单元中确定所述第一像素的参考像素；所述历史解码单元是所述当前图像中与所述当前编码单元相邻的已解码的编码单元，所述第一像素的参考像素和所述第一像素在所述当前图像中相邻；根据所述第一像素的参考像素的重建值获取所述第一像素的预测值，以得到解码图像。本申请实施例可以有效扩宽单位矢量串的适用范围，有助于提升编解码性能。
Patent WO-2023065511-A1 (WO)
Inventor: DAI LEI
IPC: C12N15/10
Filed: 2021-12-15
Abstract: A gene editing method and application of bacteroides intestinal bacteria. The gene editing method of the bacteroides intestinal bacteria comprises: constructing a CRISPR/Cas editing system by adopting a replicating plasmid vector, and editing a target gene of the bacteroides. Furthermore, in the constructed CRISPR/Cas editing system, an inducible promoter is adopted to express a Cas protein. The method is an efficient and traceless gene editing method constructed on the basis of a CRISPR/Cas system, and process-based genome editing is realized in bacteroides intestinal bacteria, so that the efficiency of targeted insertion or knockout of a single gene and a gene cluster is improved, and a mutant strain without a screening mark can be obtained.
Patent WO-2023108581-A1 (WO)
Inventor: HU WEIGUANG
IPC: A24F40/10
Filed: 2021-12-17
Abstract: La présente invention concerne un appareil d'atomisation électronique, et un hôte et un atomiseur associés. L'appareil d'atomisation électronique comprend un ensemble de transmission de liquide utilisé pour entraîner un liquide d'atomisation, un tube d'alimentation en liquide électroconducteur en communication avec l'ensemble de transmission de liquide, une cavité tampon en communication avec le tube d'alimentation en liquide, un élément de génération de chaleur en communication avec la cavité tampon et utilisé pour chauffer et atomiser le liquide d'atomisation, et un dispositif de commande connecté électriquement à l'ensemble de transmission de liquide. Le tube d'alimentation en liquide et l'élément de génération de chaleur sont électriquement connectés de façon séparée à deux pôles du dispositif de commande, un circuit connecté ou déconnecté peut être formé entre le tube d'alimentation en liquide et l'élément de génération de chaleur sous l'action du liquide d'atomisation, et le dispositif de commande peut commander l'ensemble de transmission de liquide pour qu'il démarre l'alimentation en liquide sur la base d'un état de circuit déconnecté entre le tube d'alimentation en liquide et l'élément de génération de chaleur. Selon la présente invention, la présence d'un liquide d'atomisation dans la cavité tampon est déterminée au moyen d'une connexion ou d'une déconnexion d'un circuit entre le tube d'alimentation en liquide et l'élément de génération de chaleur, et une alimentation en liquide est démarrée lorsque le circuit entre le tube d'alimentation en liquide et l'élément de génération de chaleur est déconnecté. La structure est simple, et le résultat est fiable.
Patent WO-2022143717-A1 (WO)
Inventor: LONG PENG
IPC: G06F9/455
Filed: 2021-12-29
Abstract: 一种虚拟机在线迁移方法、装置及系统，用于将源服务器运行的源虚拟机迁移到目的服务器。其中，该方法包括：第一前端装置通过第一内部通道将源虚拟机的内存脏页地址信息和设备状态信息发送至第一后端装置，该第一前端装置设置于源服务器，该第一后端装置设置在插置于源服务器的第一卸载卡中，第一卸载卡与源服务器之间设置有第一内部通道；第一后端装置根据内存脏页地址信息从源服务器的内存读取内存脏页并通过外部通道发送内存脏页、内存脏页地址信息和设备状态信息至第二后端装置，该第二后端装置在插置于目的服务器的第二卸载卡中。上述方法能够减少对服务器的资源占用，降低服务器的资源占用率。
Patent WO-2023097856-A1 (WO)
Inventor: HAN RUI
IPC: H04L67/5682
Filed: 2021-12-31
Abstract: 本发明公开了一种ICN网络中基于热度的随路协同缓存方法，基于内容请求发送端、ICN路由器节点和内容源服务器实现，该方法包括：内容请求发送端发起内容请求；内容请求发送端向数据源节点发送请求报文，请求报文的首部包括热度字段和节点信息字段，允许途经的ICN路由器节点读取、修改和转发请求报文，在请求报文转发过程中，热度字段记录途经的ICN路由器节点上所有缓存内容的最低热度值，节点信息字段记录该最低热度值所在节点；数据源节点收到请求报文后，进行比较热度值比较，根据比较结果决定是否在数据报文传输路径上放置该内容副本并构造数据报文，在数据报文转发过程中，途经的ICN路由器节点进行缓存决策。
Patent WO-2023123304-A1 (WO)
Inventor: SU QIUJIE
IPC: G09G3/36
Filed: 2021-12-31
Abstract: Les modes de réalisation de la présente divulgation concernent un panneau d'affichage et un dispositif d'affichage. Le panneau d'affichage comprend : un substrat de base qui comprend une zone de non-affichage ; un circuit d'attaque de grille situé dans la zone de non-affichage ; le circuit d'attaque de grille comprenant une pluralité de registres à décalage, et la pluralité de registres à décalage étant divisés en une pluralité de groupes de registres ; et une pluralité de lignes d'entrée de signal situées dans la zone de non-affichage. La pluralité de lignes d'entrée de signal sont divisées en une pluralité de groupes de lignes, et une borne de signal de début de trame d'un groupe de registres est électriquement connectée à un groupe de lignes de manière correspondante. Les lignes d'entrée de signal d'un autre groupe de lignes sont disposées entre deux lignes d'entrée de signal d'un même groupe de lignes.
Patent WO-2022148354-A1 (WO)
Inventor: LIU BIN
IPC: A61K31/519
Filed: 2022-01-05
Abstract: La présente invention se rapporte au domaine technique de la médecine, et concerne plus précisément un composé inhibiteur d'ADN-PK polycyclique tel que représenté par la formule générale (I), un sel pharmaceutiquement acceptable de celui-ci ou un isomère de celui-ci ; une composition pharmaceutique et une préparation qui contiennent le composé, le sel pharmaceutiquement acceptable de celui-ci ou l'isomère de celui-ci ; une méthode de préparation du composé, du sel pharmaceutiquement acceptable de celui-ci ou de l'isomère de celui-ci ; et l'utilisation du composé, du sel pharmaceutiquement acceptable de celui-ci ou de son isomère.
Patent WO-2023050654-A1 (WO)
Inventor: CAO WEI
IPC: G06F30/28
Filed: 2022-01-12
Abstract: 一种叶片设计方法、叶片设计系统、叶片及高效等厚叶轮，叶片设计方法包括：获取目标设计参数，包括叶轮直径和叶片数；根据叶轮直径确定叶片弦长；根据叶片弦长，利用弦长与拱度的拟合优化曲线确定叶片弦长对应的叶片拱度；根据叶轮直径和叶片数确定叶片高度；根据叶片拱度获取叶片基元，将叶片基元的对应位置的高度拉伸至叶片高度，得到目标叶片结构。由于该方法通过拟合优化曲线得到叶片拱度，因此叶片拱度具有与拟合优化曲线相同的特点，并且在设计过程中不用重复校核和调整，设计方式简便，能够实现批量、快捷设计。
Patent WO-2023141919-A1 (WO)
Title: 一种视窗系统
Inventor: FENG CHUNNAN
IPC: H01Q13/10
Filed: 2022-01-28
Abstract: 本公开提供一种视窗系统（002），属于视窗技术领域。本公开提供的一种视窗系统（002）包括相对设置的第一透明基底（1）和第二透明基底（2），依次设置在第一透明基底（1）靠近第二透明基底（2）一侧的辐射结构（3）和调光结构（4），其中，调光结构（4）在第一透明基底（1）上的正投影与辐射结构（3）在第一透明基底（1）上的正投影至少部分重叠。本公开提供的视窗系统（002）能够同时具有收发射频信号和调光的功能，且将辐射结构和调光结构叠层设置以节约空间。
Patent WO-2022166836-A1 (WO)
Inventor: CHEN FEI
IPC: G01H17/00
Filed: 2022-01-28
Abstract: 一种声音剂量确定方法，包括：获取音频数据(S101)；根据该音频数据，确定目标时段对应的第一声音剂量；目标时段的起始时刻与第一单位时刻对齐，目标时段的结束时刻与目标频域帧的结束时刻对齐；目标频域帧为输出时间经过第二单位时刻的频域帧，频域帧为对音频数据进行声音剂量计算的最小单位；第一单位时刻与第二单位时刻分别为单位时段的起始时刻及结束时刻；单位时段的时长为预设的单位时长(S102)；根据第一单位时刻、第二单位时刻、目标时段的结束时刻以及第一声音剂量，确定单位时段对应的第二声音剂量(S103)。能够应用于智能耳机。还公开了一种声音剂量确定装置、一种电子设备及一种存储介质。
Patent WO-2022218010-A1 (WO)
Title: Water pump having safety valve, used for oral cavity cleaning device
Inventor: LIU FEI
IPC: F04B17/03
Filed: 2022-01-28
Abstract: A water pump having a safety valve, used for an oral cavity cleaning device. The water pump comprises a pump body assembly, a water pump power assembly (2) and a safety valve. The pump body assembly comprises a pump body (1), which has a water inlet and a water outlet; and a piston (4), which is provided in the pump body (1), wherein the piston (4) is connected to the water pump power assembly (2), and the water pump power assembly (2) drives the piston (4) to reciprocate. The safety valve comprises a safety valve seat (10), an elastic member (11) and a safety valve head (12), wherein the safety valve head (12) is connected to the safety valve seat (10) by means of the elastic member (11); the safety valve seat (10) is provided on the pump body (1); a safety valve port in communication with the interior of the pump body (1) is provided in the pump body (1); and the safety valve head (12) is located in the safety valve port, and blocks the safety valve port under the action of the elastic member (11). In the water pump, by means of the safety valve provided on the pump body, when the water outlet is blocked, water in the pump cavity can be discharged, thereby preventing the water pump from being damaged due to overpressure.
Patent WO-2022166968-A1 (WO)
Title: 基于二维规则化平面投影的点云编解码方法及装置
Inventor: YANG FUZHENG
IPC: G06T9/00
Filed: 2022-02-07
Abstract: 本发明公开了一种基于二维规则化平面投影的点云编解码方法及装置，编码方法包括：获取原始点云数据；对原始点云数据进行二维规则化平面投影，得到二维投影平面结构；根据二维投影平面结构得到若干二维图信息；对若干二维图信息进行编码，得到码流信息。本发明通过二维规则化平面投影技术得到点云在二维投影平面结构上的强相关性表示，从而更好的体现了点云的空间相关性，使得后续在对二维规则化投影平面结构所得到的坐标转换误差信息图进行编码时，能够极大地利用点云的空间相关性，提升点云了的编码效率；同时在对坐标转换误差信息图进行编码时，利用了占位信息图、深度信息图和投影残差信息图进行辅助，进一步提升了编码效率。