baber/WOPTO huggingface dataset:
Patent WO-2020244183-A1 (WO)
Title: 数据标注
Inventor: LIU YUDA
IPC: G06K9/62
Filed: 2019-12-05
Abstract: 一种数据标注的方法、装置及电子设备，所述方法包括：通过预先训练的目标标注模型对多个待标注数据进行标注，得到由上述待标注数据对应的标注结果构成的目标集合（101）；利用预先训练的目标分类器选取上述待标注数据中的非可信数据，以验证非可信数据对应的标注结果（102）；更正目标集合中未通过验证的非可信数据所对应的标注结果（103）。
Patent WO-2020119665-A1 (WO)
Inventor: JIANG SHENG
IPC: G16H20/30
Filed: 2019-12-10
Abstract: 一种面肌训练方法、装置及电子设备，该面肌训练方法包括：获取目标人脸的至少一个特征点组（S100），其中，每个特征点组包含两个特征点；计算至少一个特征点组所对应的当前坐标差值（S300），其中，当前坐标差值为至少一个特征点组在当前帧图片中的坐标差值；依据当前坐标差值和初始坐标差值以及预设的动作完成值，生成当前动作完成度（S500），其中，初始坐标差值表征至少一个特征点组在初始状态下的坐标差值；当当前动作完成度大于预设的动作完成度阈值时，确定当前训练动作完成。该方法能够在用户进行面肌训练时，反馈当前训练动作是否完成，确保面肌训练质量。
Patent WO-2021114087-A1 (WO)
Inventor: ZHANG HAO
IPC: C12M1/00
Filed: 2019-12-10
Abstract: A small-volume cell culture bag, comprising a closed bag body; the closed bag body is a closed bag cavity formed by bending a single bag piece and then hot pressing same; the closed bag body is provided with multiple inlets/outlets for liquid or gas to enter and exit, and at least one of the inlets/outlets is provided at a bending portion of the closed bag body. By means of the support function of the bending portion, a flat closed bag body can be expanded, so that the closed bag body is a non-flat structure, providing a longitudinal space for cell culture, thereby providing a wider range of minimum and maximum working volumes.
Patent WO-2020233107-A1 (WO)
Inventor: ZHENG ZIYONG
IPC: H04W28/06
Filed: 2019-12-11
Abstract: The present application relates to a voice guarantee method and apparatus and an access network device cluster system; the voice guarantee method comprises the following steps: receiving a voice encoding data packet transmitted by a calling device, and performing tunnel information group removal on the voice encoding data packet to obtain a first intermediate message on a called side, the voice encoding data packet being obtained by a voice message sequentially undergoing FEC encoding, message group information addition and tunnel information group addition by the calling device; reading and removing the message group information in the first intermediate message on the called side to obtain a second intermediate message on the called side; and according to the message group information, performing FEC decoding on the second intermediate message on the called side to obtain the voice message. The present application may provide a relatively reliable guarantee for the transmission of voice messages between access network devices without compromising the instantaneity of voice calls. The quality of voice transmission is thus improved, while the rate of packet loss is reduced.
Patent WO-2020119815-A1 (WO)
Inventor: PAN KAI
IPC: H04W12/60
Filed: 2019-12-14
Abstract: Provided are a security context isolation method, apparatus and system for isolating insecurities of a 3G security context and guaranteeing the security of a target network to which a terminal is switched. The method comprises: during the process of a terminal being switched from a 4G network to a target network, a target mobility management network element learning that a 4G security context of the terminal is derived from a 3G security context, and determining to execute a re-authentication process on the terminal; and the target mobility management network element executing the re-authentication process on the terminal to obtain the native security context of the target network of the terminal.
Patent WO-2020143424-A1 (WO)
Inventor: WANG YUEXIANG
IPC: A61K38/00
Filed: 2019-12-19
Abstract: 本发明提供了胃肠道间质瘤的靶点DEPDC5及其在诊断和治疗中的应用，具体地，提供了DEPDC5基因、mRNA、cDNA、或蛋白或其检测试剂的用途：(i)用作检测原发性胃肠道间质瘤或进展期胃肠道间质瘤的标志物和/或(ii)用于制备检测原发性胃肠道间质瘤或进展期胃肠道间质瘤的诊断试剂或试剂盒；以及DEPDC5基因或其蛋白、或其激动剂在治疗胃肠道间质瘤中的应用。
Patent WO-2021031492-A1 (WO)
Title: Skid-resistant carpet rubber mat layer
Inventor: CAO SHUNLIN
IPC: B32B27/08
Filed: 2019-12-25
Abstract: Disclosed is a skid-resistant carpet rubber mat layer. The skid-resistant carpet rubber mat layer comprises a bottom layer, which is a skid-resistant water-repellent layer (5), and an upper layer, which is a bonding layer (4), and the bonding layer (4) is a single-face fabric provided with a plurality of monofilament protrusions. The bonding layer (4) is a single-face fabric made of monofilaments with a unit of 20D or above and provided with protrusions, or a single-face structure layer formed by splitting the middle of a three-dimensional mesh cloth structural layer, and the three-dimensional mesh cloth structural layer is composed of an upper-layer warp-knitted mesh fabric and a lower-layer warp-knitted mesh fabric, and a plurality of terylene, polypropylene or nylon monofilaments that are vertically arranged in the middle and are used for connecting the upper-layer warp-knitted mesh fabric and the lower-layer warp-knitted mesh fabric. The skid-resistant carpet rubber mat layer can be used in combination with various carpet surfaces, and the bonding strength is moderate, such that the situation of the carpet surface being damaged during detaching due to excessive bonding force is avoided, and the situation of the carpet surface being prone to displacement and upwarping due to a bonding force being too low is also avoided. Meanwhile, the skid-resistant carpet rubber mat layer has advantages such as being capable of being rolled, capable of being folded, capable of being washed by a machine, and being convenient to lay and convenient to transport.
Patent WO-2020177455-A1 (WO)
Inventor: HAN XIUYUN
IPC: C08B37/08
Filed: 2019-12-25
Abstract: Provided are a small-molecule hyaluronic acid or a salt thereof, and a preparation method therefor. Lactobacillus plantarum having culture collection number CGMCC NO. 16836 is fermented to produce a hyaluronidase solution. The hyaluronidase solution enzymatically hydrolyzes a hyaluronic acid or a salt thereof having a molecular weight of between 500 kDa and 700 kDA, and an obtained small-molecule hyaluronic acid or a salt thereof has a molecular weight of between 1 kDa and 60 kDa. The small-molecule hyaluronic acid enzymatic hydrolysate is subjected to enzyme inactivation, activated carbon impurity absorption, micropore membrane filtration, and low-temperature spray drying to obtain a small-molecule hyaluronic acid or a salt thereof. The resulting product features high safety, excellent transdermal absorbability, ensures the integrity and bioactivity of the molecular structure, and has broader applications.
Patent WO-2021120294-A1 (WO)
Title: 纳米染料分子、彩色滤光片及显示面板
Inventor: AI LIN
IPC: C09C1/62
Filed: 2019-12-27
Abstract: 一种纳米染料分子、彩色滤光片及显示面板，纳米染料分子包括：金纳米簇；以及染料基团，通过金-硫键与金纳米簇连接并包覆在金纳米簇的外围。
Patent WO-2020155998-A1 (WO)
Inventor: JIANG CHEN
IPC: G06K9/62
Filed: 2019-12-30
Abstract: 一种识别车体方向的方法和装置，方法包括：获取同一定损案件的多个车辆图片（21）；针对所述多个车辆图片中的每个车辆图片进行单图的车体方向识别，得到单图的车体方向置信度向量，所述单图的车体方向置信度向量用于表征该车辆图片的车体方向归属各个车体方向类别的可能性（22）；针对所述多个车辆图片中的每个车辆图片进行单图的车体部件识别，得到单图的车体部件检测结果（23）；至少根据目标车辆图片的所述单图的车体方向置信度向量和所述目标车辆图片的所述单图的车体部件检测结果，确定所述目标车辆图片的车体方向（24），从而能够做到高效识别车体方向，并且结果的置信度高。
Patent WO-2021134228-A1 (WO)
Title: Detection method, detection device, detection assembly, and storage medium
Inventor: DONG QUN
IPC: G01L5/00
Filed: 2019-12-30
Abstract: A detection method, a detection device (100), a detection assembly (1000), and a computer storage medium (3000). The detection method comprises: receiving an optical signal and impact transmitted by a hitting device (2000); obtaining optical information corresponding to the optical signal and impact information; and determining the type of the hitting device (2000) according to the optical information and the impact information.
Patent WO-2020164325-A1 (WO)
Inventor: ZOU DONGHONG
IPC: F16F15/121
Filed: 2019-12-31
Abstract: 一种扭簧可变阻尼转轴，包括移动单元(1)、固定单元(2)、第一连接机构(3)、第二连接机构(4)和扭簧(5)；固定单元(2)可拆卸地插接于移动单元(1)上；第一连接机构(3)设置于固定单元(2)内部，第一连接机构(3)与固定单元(2)端部连接；扭簧(5)套装于第一连接机构(3)上，扭簧(5)一端插接于固定单元(2)上，扭簧(5)另一端插接于移动单元(1)上；第二连接机构(4)设置于移动单元(1)内，与第一连接机构(3)配合使用；第二连接机构(4)在第一连接机构(3)上转动，用于带动移动单元(1)向固定单元(2)移动。第二连接机构(4)在第一连接机构(3)上转动时会带动移动单元(1)向固定单元(2)移动，扩大了第二连接机构(4)的运动空间，能够最大的压缩和伸展扭簧(5)，提高了扭簧可变阻尼转轴的应用范围，固定单元(2)和移动单元(1)的安装和拆卸更加方便。
Patent WO-2020199695-A1 (WO)
Inventor: ZENG ZHIYONG
IPC: F28D20/00
Filed: 2019-12-31
Abstract: L'invention concerne un réservoir de chaleur tubulaire en béton, qui comprend un bloc de béton (1) et un faisceau de tubes de transfert de chaleur (2). Une pluralité de trous de montage disposés à intervalles égaux est formée sur le bloc de béton (1), et un milieu de transfert de chaleur est introduit dans le faisceau de tubes de transfert de chaleur (2). Le faisceau de tubes de transfert de chaleur (2) comprend un réseau de tubes d'entrée (21), un réseau de tubes de sortie (22), et une pluralité de tubes de guidage de transfert de chaleur (23). Les tubes de guidage de transfert de chaleur (23) et les trous de montage sont montés en correspondance biunivoque, et deux extrémités de chaque tube de guidage de transfert de chaleur (23) communiquent respectivement avec le réseau de tubes d'entrée (21) et le réseau de tubes de sortie (22).
Patent WO-2021142840-A1 (WO)
Inventor: LI HAITAO
IPC: H04W48/20
Filed: 2020-01-19
Abstract: 本申请公开了一种小区重选方法，包括：终端设备接收邻小区支持的网络切片信息，所述网络切片信息包括单一网络切片辅助信息(S-NSSAI)或S-NSSAI组合；所述终端设备基于所述网络切片信息进行小区重选。本申请还公开了另一种小区重选方法、电子设备及存储介质。
Patent WO-2021004067-A1 (WO)
Inventor: LI BENYOU
IPC: G10L21/02
Filed: 2020-02-20
Abstract: A display device (3) for obtaining, by means of an echo processing circuit (35), a signal to be played output to a loudspeaker (33) by a power amplifier (32), and then performing, using said signal as an echo reference signal, echo cancellation processing on a voice signal to be processed received by a voice acquisition circuit (34), such that a voice processing circuit (31) can implement a good echo cancellation effect when performing echo cancellation processing on the voice signal to be processed, thereby improving the accuracy of subsequent recognition on the voice signal.
Patent WO-2020173371-A1 (WO)
Title: Image rendering method and electronic device
Inventor: DANG MAOCHANG
IPC: H04M1/72403
Filed: 2020-02-20
Abstract: An image rendering method and an electronic device. The method comprises: an electronic device, upon displaying a first image, detecting a user input event; generating an image rendering command on the basis of the input event, the image rendering command comprising a rendering element of a target image; when rendering the target image on the basis of the rendering element of the target image, re-rendering a first region requiring re-rendering in the first image; synthesizing the texture re-rendered first region with a second region so as to obtain the target image, the second region being a region not requiring re-rendering in the first image; and displaying the target image. The electronic device in the image rendering method only needs to render the first region requiring re-rendering in the first image, and does not need to re-render the second region not requiring re-rendering, thereby reducing power consumption and improving efficiency.
Patent WO-2020173374-A1 (WO)
Title: Human body posture measurement method and apparatus, and apparatus operating on the basis of method
Inventor: CAO KEHAN
IPC: G01S7/02
Filed: 2020-02-20
Abstract: A method for determining a body (1) posture by using radar. The method comprises the following steps: receiving a radar wave signal reflected by the body (1) (501); extracting feature data from the radar signal (503); determining a posture of the body (1) according to the waveform/characteristic/value/track of the feature data (507). After posture information of the body (1) is obtained, subsequent modules can be controlled to perform operation corresponding to the posture of the body (1). An apparatus for determining the posture of the body (1) by using the radar comprises a radar module (2) which can receive the radar signal reflected by the body (1); a feature data processing module (31), which can generate radar feature data according to the radar signal and can measure the feature waveform/value/track indicating the posture of the body (1); a body posture determination module (32), which can determines the posture of the body (1) according to the feature waveform/value/track indicating the posture of the body (1). An apparatus operating on the basis of determining the posture of the body (1) by using the radar comprises an execution module (4), which can perform operation/output corresponding to the posture of the body (1) according to postures of different bodies (1).
Patent WO-2021163988-A1 (WO)
Inventor: WANG LIKUN
IPC: G01N33/15
Filed: 2020-02-21
Abstract: 一种溶出测试辅助装置。该装置包括吸收部（110）和调节部（120），吸收部（110）包括吸收单元（111-1），调节部（120）包括调节单元（125）；吸收部（110）通过第一管道（112）与溶出杯（130）连通；调节部（120）通过第二管道（121）和第三管道（122）与溶出杯（130）连通；第一管道（112）、第二管道（121）和第三管道（122）上分别设置有第一进液泵（113）、第二进液泵（123）和第一出液泵（124）；第一进液泵（113）将溶出液通过第一管道（112）导入吸收部（110），被导入的溶出液流入吸收单元（111-1），第二进液泵（123）将溶出液通过第二管道（121）导入调节部（120），调节单元（125）调节被导入的溶出液的pH和/或体积，第一出液泵（124）将调节过的溶出液导回溶出杯（130）。利用过滤、液液萃取等方式并结合机体内部pH变化情况模拟仿真药物在机体内被吸收的具体过程，提高溶出装置检测结果的准确性。
Patent WO-2021062988-A1 (WO)
Inventor: CAO SHUGUANG
IPC: A61H23/02
Filed: 2020-03-18
Abstract: Disclosed are a reciprocating muscle relaxation apparatus and a machine core (70) thereof, the apparatus comprising a shell (60), the machine core (70), and a massage head module (11). The machine core (70) is mounted inside the shell (60); the massage head module (11) is located outside the shell (60); the machine core (70) comprises a power source (21), a universal coupling (40), and a crank-slider mechanism (50); the universal coupling (40) has an input member and an output member; the crank-slider mechanism (50) has a crank (4) and a motion shaft (7); the massage head module (11) is mounted in front of the motion shaft (7); the power source (21) drives the input member to rotate around a first rotation axis; the output member drives the crank (4) to rotate around a second rotation axis; the crank (4) drives the motion shaft (7) to move in a linear reciprocating motion along a first axis; and an acute included angle is formed between the first rotation axis and the second rotation axis. The rotation power from the power source (21) is output after the angle thereof is changed by means of the universal coupling (40), and the output rotation power is converted into a linear reciprocating motion of the motion shaft (7) by means of the crank-slider mechanism (50), so as to achieve linear reciprocating driving for the massage head module (11).
Patent WO-2020238389-A1 (WO)
Inventor: HUANG XIN
IPC: H04M1/02
Filed: 2020-03-30
Abstract: The present invention relates to the technical field of mobile phone protection cases, and discloses a completely transparent liquid silicone protection case for a mobile phone. The protection case comprises a transparent PC shell with a thickness of 0.5-0.9 mm and an outer-layer transparent liquid silicone with a thickness of 0.4-0.9 mm, The transparent PC shell and the transparent liquid silicone are combined by means of a secondary injection-molding process so as to form the ultrathin completely transparent liquid silicone protection case for a mobile phone of the present invention. An inner-layer PC supports a silicone form, has a certain strength and better fits a mobile phone, and the outer-layer liquid silicone improves the handfeel when in use and the aesthetic appearance of the protection case, and has a certain anti-drop function, thus having the function of protecting the mobile phone.
Patent WO-2020220905-A1 (WO)
Inventor: SUN YANAN
IPC: B65D90/00
Filed: 2020-03-31
Abstract: Disclosed is an end door flipping and receiving mechanism and a foldable container. The container comprises a container top (10), a container bottom (20), a side wall (30), and an end door (40), wherein the container bottom (20) is provided with a receiving portion, the container top (10) and the container bottom (20) are respectively hinged to the side wall (30) to form a loading and unloading space, and the end door (40) can be completely opened to form a loading and unloading port. The end door flipping and receiving mechanism comprises a stop block assembly arranged on the end door (40), and a stop slot (20223) arranged at an end of the receiving portion for stopping the stop block assembly, wherein the stop block assembly comprises a fixed shaft (4042) and a stop block (4041) rotating around the fixed shaft (4042), and the fixed shaft (4042) is fixed at a position, close to a bottom end of the side wall (30), of the end door (40). During loading and unloading of cargo, the end door flipping and receiving mechanism enables the end door to flip over without being detached from the container during folding, such that the operation is easy and convenient. During loading and unloading, only the loading and unloading space needs to be expanded to completely open the end door to form the loading and unloading port, such that operation obstacles are reduced to enable the loading and unloading operation to be flexibly carried out in multiple directions, thereby improving the loading and unloading efficiency.
Patent WO-2020211720-A1 (WO)
Title: Procédé de traitement de données et procédé d'apprentissage à réseau neuronal de résolution de pronom
Inventor: ZHANG JINCHAO
IPC: G06F17/00
Filed: 2020-04-13
Abstract: La présente invention concerne un procédé de traitement de données et un procédé d'apprentissage à réseau neuronal de résolution de pronom. Le procédé comprend : un réseau neuronal de résolution de pronom peut réaliser une bonne utilisation de caractéristiques, dans un texte à détecter, correspondant à une séquence de mots de contexte et à un mot de substitution candidat, effectue un traitement d'itération par exemple positif et un traitement d'itération par exemple négatif sur les caractéristiques correspondant à la séquence de mots de contexte et au mot de substitution candidat de façon à obtenir une longueur de module de vecteur de caractéristique d'exemple positif correspondante et une longueur de module de vecteur de caractéristique d'exemple négatif correspondante, et enfin effectue un calcul en fonction de la longueur de module de vecteur de caractéristique d'exemple positif et de la longueur de module de vecteur de caractéristique d'exemple négatif de façon à obtenir la probabilité de substitution correspondant à chaque mot de substitution candidat dans un ensemble de mots de substitution candidats.
Patent WO-2020221183-A1 (WO)
Title: Refrigeration appliance and method for minimizing noise impact
Inventor: BROOKE RICHARD DANA
IPC: F25D29/00
Filed: 2020-04-27
Abstract: A refrigeration appliance (100), comprising a housing (102), a first fluid pushing unit, a second fluid pushing unit and a controller (144). The housing (102) defines a refrigerating compartment, and the first fluid pushing unit and the second fluid pushing unit are installed to the housing (102) separately from each other. The controller (144) is in operable communication with the first fluid pushing unit and the second fluid pushing unit, and the controller (144) is configured to initiate a cooling operation, the cooling operation comprising: activating the first fluid pushing unit to create a first fluid flow; gradually increasing the speed stage of the first fluid pushing unit at a first predetermined ramp rate; activating the second fluid pushing unit to create a second fluid flow after activating the first fluid pushing unit; and gradually increasing the speed stage of the second fluid pushing unit.
Patent WO-2021184496-A1 (WO)
Inventor: ZHU XIAOPU
IPC: G06T5/50
Filed: 2020-04-27
Abstract: 一种图像融合方法、装置、存储介质及移动终端，当移动终端启动动态拍摄模式时，获取连续拍摄的多张预览图像；确定每张该预览图像对应的主体灰度图和背景灰度图；根据该主体灰度图和该背景灰度图确定对应预览图像的亮度调整参数；根据该亮度调整参数对该多张预览图像进行融合。
Patent WO-2020228527-A1 (WO)
Inventor: QIU YAPING
IPC: H04L12/26
Filed: 2020-04-28
Abstract: 本申请实施例公开了一种数据流的分类方法，应用于内部网络和互联网之间的报文转发设备。本申请实施例方法包括：报文转发设备获取多条数据流，并提取多条数据流中每条数据流的地址信息和时间信息；根据每条数据流的源IP地址，从多条数据流中筛选出第一客户端设备访问多个服务产生的数据流集合；根据数据流集合中每条数据流的目的IP地址和目的端口号，确定第一客户端设备访问的包括第一服务和第二服务的服务集合；根据数据流集合中每条数据流的时间信息，确定服务集合中的各服务之间的相关性；进而确定第一服务和第二服务用于实现第一应用；由此报文转发设备确定第一服务和第二服务对应的数据流为第一应用的数据流。
Patent WO-2021017577-A1 (WO)
Inventor: DUAN RAN
IPC: G06K9/62
Filed: 2020-05-15
Abstract: 一种基于集成学习的船舶类型仿冒监测方法，包括对船舶历史数据的清洗和类型调整的方法；特征的选择、格式变换以及滑动窗口特征生成方法，特征的归一化方法；分类器的选择和构成，分类器评估函数的设置方法；实时船舶目标类型判断监测方法。能够利用历史船舶航迹报文，训练生成用于船舶类型判断监测的模型，并能够对实时船舶目标进行类型判断监测，对疑似类型仿冒目标进行告警，帮助海事部门及时发现类型仿冒的船舶目标。
Patent WO-2021232351-A1 (WO)
Title: Distribution frame for information technology engineering
Inventor: WANG SHAOJUN
IPC: H04Q1/14
Filed: 2020-05-21
Abstract: Disclosed is a distribution frame for information technology engineering. The distribution frame comprises a distribution frame body, wherein an insulation distribution cabin is arranged at a middle end of the distribution frame body; an insulation top plate is arranged on an outer surface of an upper end of the insulation distribution cabin; an insulation bottom plate is arranged on an outer surface of a lower end of the insulation distribution cabin; a transverse distribution frame is arranged on an outer surface of an inner side of the insulation distribution cabin; a sliding groove is provided in each of an edge of an outer surface of a lower end of the insulation top plate and an edge of an outer surface of an upper end of the insulation top plate; an insulation sliding door is arranged at a front end of the insulation distribution cabin; a sliding handle is arranged on an outer surface of a front end of the insulation sliding door; a tumbler is arranged on an outer surface of each side of the insulation distribution cabin; a connection post is arranged on each side of the tumbler; and a column is arranged at the center of an outer surface of a lower end of the insulation bottom plate. The distribution frame for information technology engineering according to the present invention has a better safety protection effect, and an apparatus moves relatively conveniently and quickly, and has a better use effect.
Patent WO-2021203528-A1 (WO)
Inventor: LU YANG
IPC: H04W72/12
Filed: 2020-05-21
Abstract: 本申请提供一种发送数据的方法、装置和通信系统。该发送数据的装置包括第一处理单元，该第一处理单元被配置为：第一上行信道和第二上行信道有相同的物理层优先级，并且所述第一上行信道和所述第二上行信道至少部分重叠，使所述终端设备发送所述第二上行信道。
Patent WO-2021232385-A1 (WO)
Title: Techniques for reselection to 5g anchor cells
Inventor: ZHU YUANKUN
IPC: H04W24/02
Filed: 2020-05-22
Abstract: A user equipment (UE) may be configured to reselect to a 5G anchor cell in a non-stand-alone network deployment. The UE may receive from a serving cell, a neighbor cell list indicating a plurality of neighbor cells. The UE may determine that a frequency of at least one anchor neighbor cell in the neighbor cell list corresponds to a frequency band supporting a 5G non-stand-alone network. The UE may measure a signal strength of the at least one neighbor cell while the UE is operating in an idle mode. The UE may add an offset to the measured signal strength of the at least one anchor neighbor cell. The UE may determine that an anchor neighbor cell satisfies reselection criteria based at least in part on the measured signal strength including the added offset. The UE may reselect to the anchor neighbor cell in response to the determination.
Patent WO-2021248390-A1 (WO)
Inventor: LI PU
IPC: H04N19/00
Filed: 2020-06-10
Abstract: Provided are a point cloud sorting method, and an apparatus, capable of making the scanning sequence of sorted point cloud points closer to the scanning sequence before encoding, thereby facilitating improving the use of point cloud data by an SLAM algorithm. The point cloud sorting method comprises: receiving a first code stream for a point cloud data packet; decoding the first code stream to obtain position coordinates of point cloud points in the point cloud data packet; and determining the scanning sequence of the point cloud points in the point cloud data packet according to the distances between the point cloud points in the point cloud data packet.