baber/WOPTO huggingface dataset:
Patent WO-2020259058-A1 (WO)
Inventor: LIANG LINLIN
IPC: H04L12/14
Filed: 2020-04-26
Abstract: L'invention concerne un procédé de mise en œuvre d'une commande de politique et de facturation (PCC), le procédé consistant : à envoyer, par une SMF, une règle locale de PCC configurée à une UPF par l'intermédiaire d'un message de gestion de règles ; et à recevoir et à sauvegarder, par l'UPF, la règle locale de PCC, la règle locale de PCC comprenant : un nom prédéfini de règle, un PDR associé au nom prédéfini de règle et une politique de traitement de services associée au PDR.
Patent WO-2020224562-A1 (WO)
Title: Techniques for selecting random access preambles and payload formats in wireless communications
Inventor: LEI JING
IPC: H04W74/08
Filed: 2020-05-01
Abstract: Aspects described herein relate to receiving a configuration indicating multiple association rules associating random access preambles and payload formats, selecting, as part of a random access procedure, a random access preamble from the random access preambles for transmitting over a random access occasion, determining, based at least in part on at least one of the association rules in the configuration, a payload format associated with the random access preamble and a corresponding payload resource unit, and transmitting the random access preamble over the random access occasion and, according to the payload format, an associated payload over the corresponding payload resource unit. Multiplexing of payload resource units with same or different payload formats can be performed in time, frequency and code domains, based on the received configuration.
Patent WO-2020228713-A1 (WO)
Inventor: LIU YUSEN
IPC: C08B37/08
Filed: 2020-05-13
Abstract: Disclosed is a method for extracting useful substances from shrimp shells. The method comprises: crushing the shrimp shells, mixing the crushed shrimp shells and water, then heating same to 28℃-35℃, adjusting the pH to 6.8-7.5, preferably 6.8-7, then adding an alkaline protease and mixing same, heating same to 42℃-48℃, performing constant-temperature enzymolysis for 50-70 min, and performing sieving to obtain an enzymatic hydrolysate and solid residues; performing centrifugal separation treatment on the enzymatic hydrolysate to obtain a shrimp protein deposit containing astaxanthin; mixing the shrimp protein deposit and water, performing heating while stirring, adjusting the pH to 6.8-7.0, performing heating to 58℃-60℃, adding vegetable oil, and performing emulsification for 50-70 min under stirring to obtain an emulsion; and performing centrifugation on the emulsion, and performing layering to obtain, in an upper layer, oil containing the astaxanthin, to obtain, in a middle layer, water, and to obtain, in a lower layer, a shrimp protein. The method of the present invention uses waste biomass obtained after shrimps are processed as a raw material, and can simultaneously extract several high-value substances, thereby not only improving the utilization rate of the raw material, but also shortening the production cycle; and no organic solvent is added, such that the method is clean, green and environmentally friendly.
Patent WO-2021120515-A1 (WO)
Title: 长度可调的下肢结构和使用其的外骨骼机器人
Inventor: Shuai mei
IPC: A61H3/00
Filed: 2020-05-21
Abstract: 一种下肢结构（1）以及具有该下肢结构的外骨骼机器人，其包括：髋关节组件（10），包括髋关节支撑部（100）、固定于髋关节支撑部的髋关节驱动部（101）和由髋关节驱动部驱动的髋关节传动柄（102）；大腿杆（11），与髋关节传动柄连接以便由髋关节驱动部驱动；膝关节组件（12），包括膝关节固定座（122）、固定于膝关节固定座上的膝关节驱动部（121）和由膝关节驱动部驱动的膝关节传动柄（127）；其中膝关节固定座包括套管部（124）和与膝关节驱动部连接的连接部（123），套管部沿所述大腿杆的延伸方向滑动固定于大腿杆上；和小腿杆（13），与膝关节传动柄连接并由膝关节驱动部驱动；其中大腿杆与髋关节驱动部和膝关节驱动部的中心连线不重合，从而可使得膝关节在大腿杆调节机构上的移动范围更大。
Patent WO-2021237397-A1 (WO)
Title: Fluid control device and fluid control method
Inventor: LIU PENG
IPC: C12M1/34
Filed: 2020-05-25
Abstract: A fluid control device and a fluid control method, which are used for achieving the function of micro-fluid quantification, or liquid mixing and transferring by means of a one-step method. The fluid control device comprises: a card box (1), on which a control chamber (6)/mixing chamber (9), a reagent chamber (8) and a recovery chamber (10) are formed; a lower-layer chip (2), on which a quantitative pool (11) or a fluid passage (19) is formed; and an elastic membrane (3), which is used for bonding the lower-layer chip (2) at the bottom of the card box (1). A first one-way valve structure (15) which only allows for exiting and not entering or a second one-way valve structure (18) which only allows for entering and not exiting is formed among the control chamber (6)/mixing chamber (9), the reagent chamber (8) and the recovery chamber (10), and the quantitative pool (11) or the fluid passage (19) by means of the elastic membrane (3). The fluid control device need not to depend on the control and operation of any external instrument, and can complete fluid control, micro-fluid quantification, and liquid mixing and transferring operations by means of a one-step method with only several simple pressure applying actions, and can implement full sealing of the system, thereby effectively avoiding problems such as pollutant leakage and aerosol pollution.
Patent WO-2020248813-A1 (WO)
Inventor: WANG TANGXIANG
IPC: G09G3/3225
Filed: 2020-05-26
Abstract: Disclosed are a pixel compensation circuit, a display apparatus, and a pixel compensation circuit driving method. The pixel compensation circuit comprises: an integration circuit, a comparison circuit, a timing circuit, and a processor, wherein the integration circuit is configured to integrate driving currents of a pixel circuit, and then output a first voltage; the comparison circuit is configured to receive the first voltage, compare the first voltage with a first reference voltage, and then output a first logic control signal; the timing circuit is configured to acquire a first working duration; and the processor is configured to acquire the first working duration, obtain, according to correlations between the pre-obtained working duration and the pixel driving currents, a target driving current, corresponding to the first working duration, of the pixel circuit, and obtain a compensation parameter according to the target driving current. A current-type external compensation mode is used for the pixel compensation circuit, thus avoiding the problem of a voltage signal being easily interfered with in the process of wiring.
Patent WO-2021164146-A1 (WO)
Title: Preparation method for mosaic-type magnetic imprinting adsorbent and application thereof
Inventor: WANG PAN
IPC: B01J20/30
Filed: 2020-05-27
Abstract: The present invention relates to the technical field of specific separation functional material preparations and related thereto is a preparation method for a mosaic-type magnetic imprinting adsorbent, comprising: firstly, preparing an amino-modified Fe 3 O 4  particle and a Janus nanosheet, and then preparing a Janus molecularly imprinted polymer (MIP) by means of ATRP molecular imprinting technology; and combining the anisotropy of Alg-Ca 2+  and Pickering emulsion and Janus-MIP nanosheet, and simultaneously filling Fe 3 O 4 -NH 2  to prepare a mosaic Alg-Ca 2+  core magnetic molecularly imprinting adsorbent. The mosaic-type magnetic imprinting adsorbent prepared by the present invention has a relatively high adsorption capacity, and may effectively solve the problem in which molecularly imprinted nanosheet materials are easily stacked. Meanwhile, paramagnetic particles are filled, such that the Pickering emulsion has a magnetic response and is easy to separate and recover; in addition, the present invention has an obvious dA molecule recognition performance, and is used for the selective recognition and separation of dA in a water solution.
Patent WO-2021203542-A1 (WO)
Inventor: YU HANSEN
IPC: C21D1/58
Filed: 2020-06-02
Abstract: 本发明公开了一种冷速稳定的超速光亮淬火油，由如下重量百分比的组分混制而成：基础油78~90%、抗氧剂0.5~2%、辅助抗氧剂0.1~0.5%、高温催冷剂5~8%、低温催冷剂0.5~2%、光亮剂1.5~5%、辅助分散剂1~3%和防锈剂1~2%；其中，所述基础油中饱和烃含量≥95%，粘度指数≥110，闪点≥170℃。本发明淬火油具有优异的冷却性能、光亮性和热氧化稳定性；高、低温冷却性能稳定性优良，能够长期保持较高的冷却速度。
Patent WO-2021248487-A1 (WO)
Title: 一种用具有防雨功能的智能电网信号装置
Inventor: YANG ZHE
IPC: G01R1/04
Filed: 2020-06-12
Abstract: 一种具有防雨功能的智能电网信号装置，包括机箱（2），机箱（2）的上表面固定连接有防雨装置（1），防雨装置（1）包括气源箱（113），气源箱（113）左侧设置连接管（112），连接管（112）左侧设置气泵（111），气泵（111）上部设置气缸（18），气缸（18）底部左侧设置排气管（110），气缸（18）底部右侧设置进气管（19），气缸（18）外侧设置固定筒（16），气缸（18）和固定筒（16）之间安装升降筒（17），升降筒（17）上部中间设置连接杆（14），连接杆（14）底部左侧设置自动控制器（15），连接杆（14）上部中间设置滑动圆筒（13），滑动圆筒（13）左右两侧设置遮雨伞（12），连接杆（14）顶端设置雨量传感器（11），通过防雨装置（1）可有效防护信号装置，降低信号装置的损坏率。
Patent WO-2021004413-A1 (WO)
Inventor: YANG CHAOFENG
IPC: G06F3/00
Filed: 2020-07-04
Abstract: L'invention concerne un procédé de commande d'extinction pour une icône d'indication d'un dispositif d'entrée portatif qui consiste : à établir un modèle de mappage, le modèle de mappage étant utilisé afin de mapper le pointage du dispositif d'entrée portatif dans une position d'affichage de l'icône d'indication, dans le modèle de mappage, la plage de pointage du dispositif d'entrée portatif comprenant une première plage de pointage, et lorsque le pointage du dispositif d'entrée portatif est changé, dans n'importe quelle piste, à l'intérieur de la première plage de pointage, la position d'affichage de l'icône d'indication se situant dans une plage de bord d'écran prédéfinie ; à déterminer la position d'affichage de l'icône d'indication selon le modèle de mappage ; et lorsque l'icône d'indication est déplacée dans la plage de bord d'écran, à détecter que la durée pendant laquelle la position d'affichage de l'icône d'indication se trouve à l'intérieur de la plage de bord d'écran est supérieure à un premier seuil prédéfini, et à effectuer l'extinction de l'icône d'indication.
Patent WO-2022000519-A1 (WO)
Inventor: XIAO BO
IPC: H04R9/06
Filed: 2020-07-07
Abstract: The present application provides a loudspeaker, comprising a basket, a vibration system, and a magnetic circuit system. The vibration system comprises a first vibration diaphragm, a frame, a voice coil connected to the frame, and an airflow system fixed on the frame. The airflow system comprises a first ventilation component, a second ventilation component, and an elastic film connected between the first ventilation component and the second ventilation component. The elastic film, the first ventilation component, and the second ventilation component enclose to form a closed cavity. In the present application, the airflow system and the first vibration diaphragm synchronously vibrate, and the airflow in the airflow system is in communication with the outside of the first vibration diaphragm by means of an air tube. When the first vibration diaphragm vibrates, the airflow system also vibrates, and the acoustic wave airflow in the airflow system also propagates to the outside of the first vibration diaphragm by means of the air tube. The structural design increases the overall effective vibration area inside the loudspeaker, and thus the low frequency response potential and the intermediate frequency sensitivity of the loudspeaker are improved.
Patent WO-2022011643-A1 (WO)
Title: Paging adaptation in sidelink relay systems
Inventor: CHENG PENG
IPC: H04W40/22
Filed: 2020-07-16
Abstract: Certain aspects of the present disclosure provide techniques for adaptive paging in sidelink relay scenarios. An example method for adaptive paging by a remote UE generally includes connecting, via a sidelink, to a relay node connected to a network entity, sending an indication of a preferred paging mode to at least one of the relay node or the network entity, and monitoring for paging in accordance with the preferred paging mode, if the UE receives signaling configuring the UE for the preferred paging mode.
Patent WO-2021031806-A1 (WO)
Inventor: YUAN SHILIN
IPC: G06K9/00
Filed: 2020-07-28
Abstract: L'invention concerne un capteur d'empreintes digitales (20), un appareil d'ensemble d'affichage (100) et un dispositif électronique (1000). Le capteur d'empreintes digitales (20) comprend un substrat (23), une couche de lignes (25) et une couche de blocage (26). La couche de lignes (25) comprend de multiples premières lignes (251) et de multiples secondes lignes (252), et les projections orthographiques des multiples premières lignes (251) et des multiples secondes lignes (252) sur le substrat (23) se croisent. La couche de blocage (26) comprend des lignes de blocage (261), et les lignes de blocage (21) sont utilisées pour bloquer les premières lignes (251) et les secondes lignes (252).
Patent WO-2021042926-A1 (WO)
Inventor: WU HENGGANG
IPC: H04N5/278
Filed: 2020-08-03
Abstract: 一种匹配方法、终端(100)和非易失性计算机可读存储介质(300)。匹配方法包括(011)提取整合后的所有视频片段对应的音频片段；(012)上传音频片段以获取识别结果；(013)匹配识别结果和一个或多个整合前的视频片段，以将与整合前的视频片段的开始时间和结束时间相匹配字幕数据载入到整合前的视频片段中。
Patent WO-2021027658-A1 (WO)
Inventor: FANG QIANG
IPC: B23K26/21
Filed: 2020-08-05
Abstract: Disclosed are a central feeding laser system based on multiple optical fiber output laser modules, and a machining head, the central feeding laser system comprising multiple optical fiber output laser modules (M-1, M-2, …, M-N), and multiple collimating lenses (CL-1, CL-2, …CL-i, …, CL-M) corresponding to the optical output laser modules, a feeding pipe (SLG), and a focusing lens (FL) with a through hole in the center, wherein the multiple optical fiber output laser modules (M-1, M-2, …, M-N) are divided into several groups, and output optical fiber end faces of each group of modules are arranged, according to a certain rule, near a front focal point of a collimating lens corresponding to each group of modules; the collimating lens comprises at least a lens; the focusing lens (FL) with the through hole in the center comprises at least a lens and is located behind the collimating lens; the feeding pipe (SLG) passes through the central through hole of the focusing lens; and the collimating lenses (CL-1, CL-2, …CL-i, …, CL-M) are arranged around the feeding pipe (SLG). Small-power modules are directly used, such that the process in the prior art of first performing beam combination and then performing beam splitting is avoided, thereby reducing device costs; in addition, only one focusing lens is used, and system debugging is simple.
Patent WO-2021135310-A1 (WO)
Inventor: CHENG ZHONGFA
IPC: C08F2/58
Filed: 2020-08-26
Abstract: 本发明提供了一种聚马来酸的合成方法，具体是以水相为介质，将过氧化氢滴加到顺丁烯二酸酐水溶液中聚合反应，通过电解作用，提高低浓度体系中过氧化氢的利用率和自由基引发速率效率，减少引发剂过氧化氢的用量，缩短反应时间，降低成本。实现了使用过氧化氢做引发剂的水相聚合，反应无需使用其他金属催化剂或助剂，避免了金属类催化剂的环境污染问题。
Patent WO-2022047653-A1 (WO)
Title: Mécanisme de poignée, système de distribution et procédé de fonctionnement
Inventor: BINMOELLER KENNETH
IPC: A61B17/064
Filed: 2020-09-02
Abstract: L'invention concerne un mécanisme de poignée, un système de distribution et un procédé de fonctionnement. Le mécanisme de poignée comprend un corps, un premier composant d'ancrage disposé sur le corps, un second composant d'ancrage disposé sur le corps, un dispositif de serrage disposé sur le corps, et un dispositif de verrouillage et de coupe disposé sur le corps ; le premier composant d'ancrage est configuré pour commander un premier ancrage de tissu ; le second composant d'ancrage est configuré pour commander un second ancrage de tissu ; et le dispositif de serrage est configuré pour tirer un élément de suture.
Patent WO-2022007190-A1 (WO)
Inventor: HE JIAYONG
IPC: H04B17/00
Filed: 2020-09-14
Abstract: 本实用新型提供了一种测试设备，其包括承载台和测试机台，测试机台包括机台本体和探针台，探针台包括探针孔和至少部分收容于探针孔内的探针；探针台远离机台本体的一侧向靠近机台本体凹陷形成导向槽，探针孔与导向槽连通，探针至少部分收容于导向槽内；承载台包括支撑台座和固定于支撑台座并在挤压下产生弹性形变的弹性定位载具，弹性定位载具远离支撑台座的一侧设有向支撑台座的方向凹陷形成的承托槽，传输模组至少部分收容于承托槽内以将传输模组卡设固定于弹性定位载具；传输模组设置于探针台和弹性定位载具之间并至少部分收容于导向槽内。与相关技术相比，本实用新型的测试设备的测试定位准确且可靠性高。
Patent WO-2021155669-A1 (WO)
Title: Distributed weight storage-based architecture and method for accelerating neutral network computing
Inventor: ZOU XIAOFENG
IPC: G06N3/063
Filed: 2020-09-29
Abstract: A distributed weight storage-based architecture and method for accelerating neural network computing. The architecture comprises a main processor system, a distributed weight storage calculation module, and a target acceleration neural network; the main processor system is used to run a system program and load a driver program of a distributed weight storage calculation array; the distributed weight storage calculation module divides the weight storage space according to the array to form a distributed storage calculation unit array, and configures a processor core for each distributed storage calculation unit to form a MEM-PE unit; the MEM-PE units are used to locally load weights to perform calculations based on calculation instructions and perform distributed storage of intermediate calculation results. The MEM-PE unit formed in the present invention has distributed memory and instruction memory, can perform calculations locally, and store the intermediate results locally or in other distributed memories in the array, reducing the high latency of weight access in traditional neural network calculations, and improving computational efficiency.
Patent WO-2021174860-A1 (WO)
Inventor: ZHAO ULYSSES
IPC: G06F8/65
Filed: 2020-10-14
Abstract: A special code-based method for batch upgrading a multi-firmware distributed board card. The method comprises: the positions of N pieces of firmware on a device end distributed board card that require upgrading are determined, and various firmware release version bin packages and various pieces of firmware release version differentiated content are acquired; N firmware release version bin packages are combined to form one release version bin package that appears as a binary file, and N pieces of firmware release version differentiated content are embedded into the binary file of the release version bin package; the binary file of the release version bin package is encoded by using an encryption algorithm so as to form an encrypted bin package; and in an upgrade process, a device end receives the encrypted bin package, parses the release version binary file in the encrypted bin package by using a symmetric decryption algorithm, and acquires the N pieces of firmware differentiated content on the distributed board card; and a differential adaptation upgrade of each distributed board card firmware is performed according to the N pieces of firmware differentiated content and N firmware types. The attached figure is figure 2.
Patent WO-2021147392-A1 (WO)
Inventor: LI YUAN
IPC: G06V40/18
Filed: 2020-10-16
Abstract: 本发明实施例公开一种眼睑曲线的构建方法及装置，该方法包括：从多个图像采集设备同时拍摄所得的脸部图像中，检测出其中目标眼睛的第一眼角点的第一位置信息、第二眼角点的第二位置信息及眼睑点的第三位置信息；基于每一图像采集设备的相关信息、第一位置信息及第二位置信息，确定出第一眼角点对应的第一三维位置信息和第二眼角点对应的第二三维位置信息；基于上述三维位置信息、第一数值、第二数值及三次参数曲线方程，构建第一眼角约束；基于三次参数曲线方程、每一图像采集设备的相关信息及第三位置信息，构建眼睑对应的重投影误差约束；基于重投影误差约束及第一眼角约束，构建眼睑曲线，以实现对眼睑的眼睑曲线的构建。
Patent WO-2022082396-A1 (WO)
Title: Battery, power utilization device, and method and device for preparing battery
Inventor: ZHAO FENGGANG
IPC: H01M50/141
Filed: 2020-10-19
Abstract: The present application relates to the technical field of batteries, and particularly relates to a battery, a power utilization device, and a method and device for preparing the battery. The battery comprises: battery cells; a box body for accommodating the battery cells; a conduit for condensing gas inside the box body to form a condensate; and a liquid collection member, which is arranged between the battery cells and the conduit, wherein the liquid collection member is provided with a first accommodating portion facing towards the conduit; and the first accommodating portion is used for collecting the condensate. By means of arranging the liquid collection member inside the battery to collect the condensate condensed by the conduit, the problems of the battery short circuiting, leaking electricity, etc. due to the condensate flowing around inside the battery and thus coming into contact with a charged structure can be prevented; moreover, the condensate collected in the liquid collection member can cool the battery when thermal runaway of the battery occurs, so as to inhibit the spreading of thermal runaway, thereby improving the safety performance of the battery during a usage process.
Patent WO-2022087900-A1 (WO)
Title: Robinet de dérivation régulateur de débit
Inventor: CAI YI
IPC: A61M39/24
Filed: 2020-10-28
Abstract: La présente invention concerne un ensemble robinet (10) conçu pour maintenir à un débit constant un écoulement de fluide à travers celui-ci. L'ensemble robinet (10) comprend un élément flexible de commande d'écoulement (50) définissant une chambre de fluide interne (90) à l'intérieur de l'élément flexible de commande d'écoulement (50) et une ouverture d'admission (56) vers la chambre de fluide interne (90). Une chambre de fluide externe (92) est définie entre l'élément flexible de commande d'écoulement (50) et une surface interne (74) d'un logement de robinet (20). L'élément flexible de commande d'écoulement (50) est conçu pour fléchir vers l'intérieur et rétracter la chambre de fluide interne (90) en réponse à une diminution de pression dans la chambre de fluide interne (90) par rapport à la chambre de fluide externe (92) résultant d'une augmentation d'un débit d'admission pour maintenir à un débit constant un débit de sortie depuis l'ensemble robinet (10).
Patent WO-2022087905-A1 (WO)
Inventor: ZHU HUANGJIAN
IPC: G05D1/10
Filed: 2020-10-28
Abstract: 一种作业控制方法、装置、无人机及计算机可读存储介质，方法包括：在控制无人机对目标地块进行喷洒作业的过程中，实时获取无人机的当前位置与目标边界之间的距离(S101)；根据无人机的当前位置与目标边界之间的距离，确定是否调整无人机的当前喷洒宽度(S102)。可以精确的控制无人机进行喷洒作业，提高喷洒效果。
Patent WO-2021103907-A1 (WO)
Title: 一种可折叠终端设备
Inventor: LUO JUNCHAO
IPC: G06F1/16
Filed: 2020-10-28
Abstract: 一种可折叠终端设备，包括第一壳体、第二壳体、第三壳体、线材和线材固定组件。其中，第三壳体位于第一壳体和第二壳体之间，第一壳体和第二壳体中至少一项与第三壳体转动连接，线材从第三壳体内部穿过且两端分别与第一壳体和第二壳体连接，线材固定组件设于第三壳体内部，用于将可折叠终端设备的线材固定在第三壳体。线材固定组件包括第一磁性件和磁性组件，第一磁性件固定连接于第三壳体内部，磁性组件与线材连接，磁性组件与第一磁性件磁性连接。由于将位于第三壳体内的线材通过线材固定组件进行了固定，因此可以减少线材在第三壳体的自由度，从而可以减少线材在第三壳体内的运动量，进而可以减少线材与第三壳体内的转轴之间发生的磨损。
Patent WO-2022077590-A1 (WO)
Inventor: HU JUNJIE
IPC: B60L53/80
Filed: 2020-10-30
Abstract: La présente invention se rapporte au domaine de techniques d'échange de batterie de voiture électrique. L'invention concerne une station d'échange de batterie de voiture électrique. La station d'échange de batterie de voiture électrique comprend : un dispositif de positionnement de voiture (1) ; un dispositif d'échange de batterie (2) comprenant un cadre (21) ; une base de levage (22) ; un premier dispositif d'alimentation ; une base coulissante (23) ; un deuxième dispositif d'alimentation ; une base rotative (24) ; un troisième dispositif d'alimentation ; deux bases de réception de batterie (25) installées de manière coulissante au niveau de deux extrémités de la base rotative (24) ; un quatrième dispositif d'alimentation ; des mécanismes de prise de batterie (26) installés de manière coulissante sur les deux bases de réception de batterie (25) ; un cinquième dispositif d'alimentation ; et une étagère de placement de batterie (27), un espace entre l'étagère de placement de batterie (27) et le cadre (21) formant une position de travail d'échange de batterie manuelle (5). La solution ci-dessus permet de réaliser un échange de batterie sur une voiture électrique de manière commode, présente une efficacité élevée et permet de réaliser une opération d'échange de batterie manuelle en cas de coupure de courant.
Patent WO-2021093635-A1 (WO)
Title: Image processing method and apparatus, electronic device, and computer readable storage medium
Inventor: JIA YUHU
IPC: H04N5/232
Filed: 2020-11-03
Abstract: An image processing method, comprising: acquiring a preview image; dividing the preview image into at least two sub-regions; acquiring a phase difference corresponding to each sub-region of the at least two sub-regions; determining at least two target phase differences from phase differences corresponding to each sub-region, wherein the at least two target phase differences include a target foreground phase difference and a target background phase difference; focusing according to each target phase difference to obtain an image corresponding to each target phase difference; and combining the images corresponding to each target phase difference to obtain a full-quasi-focus image.