baber/WOPTO huggingface dataset:
Patent WO-2019238114-A1 (WO)
Title: Three-dimensional dynamic model reconstruction method, apparatus and device, and storage medium
Inventor: FANG LU
IPC: G06T17/00
Filed: 2019-06-14
Abstract: Disclosed are a three-dimensional dynamic model reconstruction method, apparatus and device, and a storage medium. The three-dimensional dynamic model reconstruction method comprises: acquiring the current frame depth image of a target object and the current frame color image corresponding to the current frame depth image; using the current frame depth image and a first target object reconstruction model to obtain a second target object reconstruction model; and according to key frames in the current frame color image and a pre-color image, determining color information of each vertex in the second target object reconstruction model, wherein the first target object reconstruction model is a target object reconstruction model corresponding to a previous frame depth image; the second target object reconstruction model is a target object reconstruction model corresponding to the current frame depth image; and the pre-color image is at least one frame color image acquired before the current frame color image.
Patent WO-2020232786-A1 (WO)
Title: Image set-based outlier sample discovery method for filtering out false pulmonary mass detection results, and system
Inventor: YANG SU
IPC: G16H50/20
Filed: 2019-06-20
Abstract: The present invention relates to the technical field of data mining, pattern recognition, and image processing, and specifically relates to an image set-based outlier sample discovery method for filtering out false pulmonary mass detection results, and a system. The outlier sample discovery method of the present invention comprises: scanning a body by means of a medical imaging apparatus, and acquiring a CT image sequence arranged in order; labeling, corresponding coordinate positions in a corresponding image frame where a suspected pulmonary mass is located, as a region occupied by the mass; extracting an image feature for each suspected pulmonary mass; and performing, by using an outlier sample detection technique, analysis on image features of all suspected pulmonary masses of all patients, and filtering out suspected mass regions in an image set corresponding to outlier samples in a feature space. Since an outlier level of each sample corresponds to a false detection rate, the invention reduces the number of false detected samples by filtering out samples having a high outlier level, thereby reducing false positives.
Patent WO-2020001605-A1 (WO)
Title: Terminal device
Inventor: YI XIAOJUN
IPC: H04M1/02
Filed: 2019-06-28
Abstract: The disclosure provides a terminal device, comprising: a housing; a display screen, comprising a first flexible screen, a second flexible screen and a flexible connector, the first flexible screen and the second flexible screen being provided opposite to each other on two side faces of the housing, the flexible connector being connected to the first flexible screen and the second flexible screen, and a functional device exposure area being provided on the flexible connector; a functional device, located within the housing and provided corresponding to the display screen; and a driving mechanism connected to the display screen, for driving the display screen to move relative to the housing. The display screen is driven by the driving mechanism, the functional device exposure area can be exposed on the side of the first flexible screen or exposed on the side of the second flexible screen, so that the functional device is exposed by means of the functional device exposure area.
Patent WO-2021000139-A1 (WO)
Inventor: LI LULONG
IPC: H01Q1/24
Filed: 2019-06-30
Abstract: The present utility model relates to the technical field of communications, and in particular relates to a base station antenna. The base station antenna comprises at least two antenna subarrays; each antenna subarray comprises a circuit board and two antenna elements; the circuit board comprises a circuit substrate, and a first power divider and a second power divider, which are arranged on a surface of the substrate; the first power divider and the second power divider each comprise a first end, a second end and a third end; each antenna element comprises two pairs of first element units and second element units which have orthogonal polarization modes; the second end of the first power divider is electrically connected to the first element units of the first antenna element; the third end of the first power divider is electrically connected to the first element units of the second antenna element; the second end of the second power divider is electrically connected to the second element units of the first antenna element; the third end of the second power divider is electrically connected to the second element units of the second antenna element; and the two antenna subarrays form a 4T4R transmitting and receiving mode. The base station antenna of the present utility model has the advantage of having a simple feed manner.
Patent WO-2020007353-A1 (WO)
Title: Entropy coding of coding units in image and video data
Inventor: HSIANG SHIH-TA
IPC: H04N19/176
Filed: 2019-07-05
Abstract: A video coder that performs entropy coding of a syntax element for partitioning a block of pixels is provided. The video coder receives a current block of pixels of an image. The video coder encodes or decodes the current block of pixels by partitioning the current block of pixels according to a partitioning indicator. The partitioning indicator is entropy coded as a syntax element of a bitstream by using a context model that is selected based on a partitioning structure of the current block of pixels or of a neighboring block of pixels of the current block of pixels.
Patent WO-2021026750-A1 (WO)
Title: 一种多孔气门导管及其加工工艺
Inventor: ZHOU LONG
IPC: B22F5/00
Filed: 2019-08-13
Abstract: 一种多孔气门导管及其加工工艺，加工工艺包括以下步骤：将铁粉和碳粉按照设定铁碳质量比进行混合，得到混合粉末A，取部分混合粉末A并加入碳酸氢铵进行混合，得到混合粉末B；将混合粉末A和混合粉末B分别采用压模法压制成型，得到管状的生坯A和管状的生坯B，生坯B能够与生坯A的内孔间隙配合；将生坯B与生坯A对应插入配合，得到导管生坯，在保护气体氛围下进行烧结，得到表面改性的具有多孔内壁层（11）和致密外壁层（12）的多孔气门导管。
Patent WO-2021000398-A1 (WO)
Title: Scalp spreader for use in neurosurgical craniotomy
Inventor: WANG CHUNHUI
IPC: A61B17/02
Filed: 2019-08-27
Abstract: Disclosed is a scalp spreader for use in neurosurgical craniotomy, comprising a left spreader handle (1), a right spreader handle (2), a left spreader arm (3), a right spreader arm (4), a left movable arm (5), a right movable arm (6), a locking teeth structure (7) and spreading hooks (8). The left spreader handle (1) and the right spreader handle (2) are connected via a hinge pin (9). The left spreader handle (1) and the right spreader handle (2) are respectively connected with the left spreader arm (3) and the right spreader arm (4), which are in turn respectively connected with the left movable arm (5) and the right movable arm (6) via a ball pin structure (10). The locking teeth structure (7) comprises locking teeth strip (7-1), a locking teeth spanner (7-2) and a locking teeth leaf spring (7-3). The locking teeth strip (7-1) is fixed on the left spreader handle (1), and the locking teeth spanner (7-2) and the locking teeth leaf spring (7-3) are fixed on the right spreader handle (2). The spreading hooks (8) are provided on the left spreader arm (3), the right spreader arm (4), the left movable arm (5) and the right movable arm (6) respectively. The scalp spreader is simple in structure, and is convenient and handy to use. By using the ball pin structure which comprises a notch, full-thickness scalp tissue on both sides of an entire incision can be spread out, such that the incision becomes approximately round while being spread out, which can expose the greatest extent of a surgical field, reduce the length of the incision, shorten surgical duration and increase surgical efficiency.
Patent WO-2020173094-A1 (WO)
Inventor: CHEN ZHIYANG
IPC: G01S13/02
Filed: 2019-10-09
Abstract: 一种调整微波雷达设备的输出功率的方法及装置。方法包括：微波雷达设备在特定空间内发射第一无线电波(S101)；微波雷达设备接收返回的第二无线电波，其中，第二无线电波为第一无线电波经由特定空间的对象反射回来的电波(S102)；基于第二无线电波的强度，调整微波雷达设备的输出功率(S103)。调整微波雷达设备的输出功率的方法及装置解决了微波雷达设备在任何测量情况下都以固定功率发射无线电波，造成测量不准确或功耗浪费的问题。
Patent WO-2020083052-A1 (WO)
Inventor: XIE ZHENLIANG
IPC: A47J27/00
Filed: 2019-10-12
Abstract: A rice cooker, comprising a heating device (1), a housing (2), an inner pot (3), a pot cover (4), a water reservoir (6) fixed at the bottom of the inner pot (3), a steam plate (7) provided in the inner pot (3), a support plate (5) fixed in the housing (2), a measuring mechanism provided on the support plate (5), a water drainage system (8) and a water intake system (9) further provided on the support plate (5), and a control system further provided on the housing (2); the control system controls, according to a measurement value of the measurement mechanism, the water inlet system (9) to discharge water into the water reservoir (6); and the water drainage system (8), the water intake system (9), and the measurement mechanism are all electrically connected to the control system. In the invention, the amount of rice in the inner pot (3) is automatically recognized, the control system controls the water intake system (9) to automatically add into the water reservoir (6) an amount of water proportionate to said amount of rice, and then a fully-automatic rice cooking process is carried out so as to produce a pot of delicious rice. Overall operation of the cooker is simple, the operator is freed from having to perform tedious pre-cooking steps, and consistent rice quality is essentially ensured.
Patent WO-2020134369-A1 (WO)
Inventor: WANG CHENGLIANG
IPC: H04R9/06
Filed: 2019-10-14
Abstract: 本实用新型涉及了一种扬声器箱，包括第一壳体、第二壳体以及扬声器单体，所述第一壳体包括顶壁、第一侧壁以及导声通道，所述顶壁包括第一内表面，所述扬声器单体安装于所述第一内表面，所述第二壳体包括底壁和第二侧壁，所述第二侧壁将所述收容空间分割形成第一空间和第二空间，所述扬声器单体收容于所述第一空间内，所述扬声器单体包括FPC，所述FPC自所述第二侧壁与所述顶壁之间的间隙引出。本实用新型的有益效果在于: 可以有效增大第二空间的体积，改善扬声器箱的低音效果；增大了透气件的透气面积，有效的增加了第二空间填充吸音材料的填充效果；装配工艺简单，有效的保证了可量产性和可靠性。
Patent WO-2020114244-A1 (WO)
Title: 一种汽车门锁噪音测试装置
Inventor: WANG JIAYING
IPC: G01M13/00
Filed: 2019-11-19
Abstract: 一种汽车门锁噪音测试装置，包括：车门模拟装置（1）、推力测试装置（2）和噪声测试装置（3）；车门模拟装置（1）包括：台架（4）以及设置在台架（4）上的门框（5）和门体（6）；门框（5）上下两端设有第一转轴孔，门体（6）上下两端设有第一转轴（11），第一转轴（11）穿过第一转轴孔，门体（6）通过第一转轴（11）设置在门框（5）内；第一转轴（11）伸出门框（5）外并与连杆（12）连接；门框（5）和门体（6）设有位置对应的门锁安装位（13），其上设置锁扣支架；推力测试装置（2）为测力计，包括拉动弹簧（14）和连接头（15），拉动弹簧（14）与连接头（15）连接，连接头（15）通过第二转轴（16）与连杆（12）连接。该汽车门锁噪音测试装置包括推力测试装置（2），推力测试装置（2）推动门体（6）关闭，可以在保证推力一致的前提下，测试门锁噪声程度。
Patent WO-2020119688-A1 (WO)
Title: 一种按键防抠的键盘
Inventor: ZENG WEN
IPC: H01H13/83
Filed: 2019-12-10
Abstract: 一种键盘，具体是一种按键防抠的键盘，包括键芯中板（2）和键帽（3），该键帽（3）呈阵列分布安装在所述的键芯中板（2）上，键帽（3）两侧分别设有一个外伸耳朵板（7）。该按键防抠的键盘，键帽（3）两端增加外伸耳朵板（7），使加上面壳后，键帽（3）无法取出，从而实现键帽防抠功能，若强拆，则会断裂损坏而无法使用，从而提高键盘的使用寿命，解决了键盘在使用过程中，他人在未经原厂许可的情况下，若对键盘进行拆卸，会造成安全隐患，同时还会造成因拆卸导致键盘内部元件裸露而被破坏或者异位，导致售出键盘成品返厂返修率高的问题。
Patent WO-2021119987-A1 (WO)
Inventor: YAN MAO
IPC: H04B7/0452
Filed: 2019-12-17
Abstract: Provided are a backscatter communication method, an exciter, a reflector and a receiver. The method comprises: an exciter sending a first excitation signal, wherein the first excitation signal is used for providing a reflector with an energy and information carrier used for reflecting a first reference signal to a receiver, and the first reference signal is used by the receiver to acquire pre-coding information; the exciter receiving the pre-coding information; and the exciter sending a second excitation signal, wherein the second excitation signal comprises a signal modulated by the pre-coding information, and the second excitation signal is used for providing the reflector with an energy and information carrier used for reflecting a data signal to the receiver. By means of the backscatter communication method of the present application, the interference between backscatter communication channels is reduced, and the performance of receiving data by means of a receiving end during backscatter communication can thus be improved.
Patent WO-2021109262-A1 (WO)
Title: Skid-steer loader
Inventor: TAN ZEPING
IPC: E02F3/28
Filed: 2019-12-19
Abstract: Disclosed in the present invention is a skid-steer loader, comprising a chassis frame, a cab, a main beam, and a bucket, wherein the chassis frame and a walking system are assembled to form a moving chassis of the skid-steer loader, and a power system of the skid-steer loader is assembled to a tail portion of the chassis frame; the cab is provided on a front portion of the chassis frame in an overturn manner; the cab is horizontally borne on the chassis frame when a telescopic supporting rod is in a contraction state and forwards overturns when the telescopic supporting rod is in a stretching-out state; the tail end of the main beam is movably hinged to the tail portion of the chassis frame by means of a four-connecting-rod mechanism; the bucket is assembled to the front end of the main beam; a loading/unloading oil cylinder for driving loading and unloading is assembled between the bucket and the main beam; and a lifting oil cylinder for driving the main beam to swing up and down to achieve lifting of the bucket is assembled between the main beam and the chassis frame. Compared with existing loading devices, the skid-steer loader of the present invention has the advantages that detachment and maintenance are convenient, work is reliable, and the structure is compact.
Patent WO-2021134172-A1 (WO)
Inventor: LIU YALIN
IPC: G05D1/02
Filed: 2019-12-30
Abstract: 一种轨迹预测方法，应用于人工智能领域下的自动驾驶，轨迹预测方法包括：获取目标车辆与位于传感器的检测范围内的至少一辆第一车辆之间的相对运动信息，以及所述目标车辆的第一历史轨迹信息（201）；基于所述相对运动信息获取表示目标车辆行车意图的目标信息（202）；以所述目标信息和所述第一历史轨迹信息为输入，通过第一轨迹预测模型，得到所述目标车辆的第一预测轨迹（203）。该方法提高了对车辆的轨迹预测准确性。
Patent WO-2020151465-A1 (WO)
Title: 一种检测电路、一种光源频闪的检测装置、方法及光电检测设备
Inventor: ZHOU ZHIXIAN
IPC: G01M11/02
Filed: 2019-12-31
Abstract: 一种检测电路(41)、一种光源频闪的检测装置(61)、方法及光电检测设备，检测电路(41)包括：电源(11)；基于光源输出电流的光电二极管(12)；与光电二极管(12)串联，基于光电二极管(12)输出的电流、电源(11)输出的电流，以及阻性元器件生成输出电压的驱动电路(13)；驱动电路(13)包括多路具有不同照度相关系数的电路；与驱动电路(13)连接，在驱动电路(13)中选择匹配的照度相关系数的电路以控制输出电压在指定电压范围的控制单元(14)。
Patent WO-2021134816-A1 (WO)
Title: Fresh air supply system using high-altitude air
Inventor: ZANG WEIZHONG
IPC: F03G7/04
Filed: 2020-01-08
Abstract: A fresh air system using high-altitude air. In the fresh air system, pure cold air is first obtained from a high altitude by a negative pressure device (2) by means of a gas sampling pipe (1), and then a thermoelectric power generation device (3) uses the cold air to generate electricity. The cold air will be warmed during the power generation process, and by means of an air supply pipe network (4), the warmed pure air is then supplied to a terminal (5) that needs fresh air.
Patent WO-2020160697-A1 (WO)
Title: Appareil de réfrigération pourvu d'une chambre interne à refroidissement direct
Inventor: SCHORK BRAIN MICHAEL
IPC: F25D11/02
Filed: 2020-01-14
Abstract: La présente invention concerne un appareil de réfrigération (100), comprenant une armoire (120) qui définit une chambre réfrigérée. Une porte (126, 128) est montée rotative à l'armoire (120) au niveau d'une partie avant de la chambre réfrigérée. Une chambre de stockage d'aliments (123, 300) est définie à l'intérieur de la porte (126, 128). L'appareil de réfrigération (100) comprend également un système étanche (60) conçu pour générer de l'air réfrigéré. Le système étanche (60) est en communication fluidique directe avec la chambre interne de stockage d'aliments (123, 300) pour fournir le froid directement à la chambre interne de stockage d'aliments (123, 300).
Patent WO-2020156330-A1 (WO)
Inventor: WANG XIANGTAO
IPC: A61K31/365
Filed: 2020-01-20
Abstract: 提供了式Ⅰ、式Ⅱ和式Ⅲ中任意一项或多项所示化合物在制备治疗脑胶质瘤或黑色素瘤的药物中的应用，属于肿瘤药物技术领域。所述式Ⅰ、式Ⅱ和式Ⅲ所示化合物为番荔枝总内酯提取物中的单体成分。还提供了一种用于治疗人恶性脑胶质瘤、黑色素瘤的番荔枝种子提取物的制备方法及其产品。式Ⅰ、式Ⅱ和式Ⅲ所示化合物以及所述制备方法制备得到的提取物(包括有效部位)对脑胶质瘤和黑色素瘤具有高效杀伤作用。尤其是式Ⅰ所示化合物对脑胶质瘤U87-MG的IC 50值仅为0.4044nM，对黑色素瘤SK-MEL-28的IC50值仅有0.5152nM，而对其他多数肿瘤的IC50往往在1uM-100uM之间，相差三个数量级以上，显示出对脑胶质瘤U87-MG和黑色素瘤SK-MEL-28的选择性和高效杀伤作用。
Patent WO-2020164544-A1 (WO)
Inventor: ZHANG LI
IPC: H04N19/577
Filed: 2020-02-13
Abstract: Selon l'invention, un procédé de traitement d'une vidéo consiste à maintenir une ou plusieurs tables, chaque table contenant des mouvements candidats dérivés de blocs de vidéo traités précédemment qui sont traités avant un premier bloc de vidéo d'une vidéo ; dériver des informations de mouvement pour le premier bloc de vidéo ; appliquer un affinement aux informations de mouvement lorsqu'au moins une des technologies de dérivation de vecteur de mouvement de côté décodeur (DMVD) est activée ; effectuer une conversion entre une représentation en train de bits du premier bloc de vidéo et le premier bloc de vidéo en utilisant les informations de mouvement affinées ; et déterminer s'il faut utiliser les informations de mouvement affinées ou des informations de mouvement non affinées pour mettre à jour une ou plusieurs tables.
Patent WO-2020173404-A1 (WO)
Inventor: XIANG JUN
IPC: G03F7/20
Filed: 2020-02-24
Abstract: Disclosed is a protruding plate detection device for a mask plate, the device comprising: a distance measurement sensor (110) configured to be located on one side of a plate library; an adjustment assembly (120) configured to drive the distance measurement sensor (110) to move so as to scan multiple plate grooves of the plate library and enable a distance measurement signal, transmitted by the distance measurement sensor (110), to be reflected by mask plates in the multiple plate grooves and reflected back to the distance measurement sensor (110) along an original path; and a detection mechanism (130) respectively connected to the distance measurement sensor (110) and the adjustment assembly (120), and configured to control the distance measurement sensor (110) and the adjustment assembly (120) to operate, and to determine, according to the scanning position and posture of the distance measurement sensor (110) when scanning the multiple plate grooves and the distance information measured by the distance measurement sensor (110), whether there is a protruding plate in the multiple plate grooves. Detection can be performed without manual checking, and the efficiency of protruding plate detection is improved. A mask transmission system and a lithography device are further disclosed.
Patent WO-2020207150-A1 (WO)
Title: Biomimetic ice-inhibiting material and cryopreservation liquid containing same
Inventor: WANG JIANJUN
IPC: C08F8/12
Filed: 2020-03-02
Abstract: Provided is a biomimetic ice-inhibiting material. A library of structures of compound molecules is constructed, wherein the compound molecule comprises a hydrophilic group and an ice-philic group. Next, spreading performance of each compound molecule at an ice-water interface is evaluated by means of molecular dynamics simulation (MD simulation). Finally, a compound molecule having the desired ice affinity and water affinity is selected by means of screening. The present application proposes for the first time a mechanism of ice-philicity and hydrophilicity of an ice-inhibiting material, applies MD simulation for the molecular structure design of the ice-inhibiting material, evaluates the ice-philicity and the hydrophilicity of the designed ice-inhibiting material by means of MD simulation, predicts ice inhibition performance of the ice-inhibiting material, and optimizes the structure thereof. The biomimetic ice-inhibiting material designed and selected by the method greatly inhibits the growth of ice crystals. When added to a cryopreservation reagent, the biomimetic ice-inhibiting material achieves a good cryopreservation effect even without DMSO.
Patent WO-2021022808-A1 (WO)
Title: 一种装配式钢结构管廊拱形波纹钢板板墙的生产方法
Inventor: ZHAN FUJUN
IPC: B23P15/00
Filed: 2020-03-05
Abstract: 一种装配式钢结构管廊拱形波纹钢板板墙的生产方法，通过将装配式钢结构管廊的波纹钢板先焊接后卷曲为拱形的方式，使得波纹钢板其整体拱度及两端端面斜度一致，便于装配以及焊接法兰。该方法可以避免在焊接法兰时由于波纹钢板端面倾斜角度不一致导致接触面的焊接缝隙大小不一和焊接困难。
Patent WO-2020211565-A1 (WO)
Title: Rapid warehouse configuration method, apparatus, and storage medium
Inventor: YANG ZHIQIN
IPC: G06Q10/08
Filed: 2020-03-05
Abstract: A rapid warehouse configuration method, comprising: after obtaining warehouse information of a warehouse, determining rack layout information in the warehouse according to the warehouse information and preconfigured warehouse deployment rules (S101); after arranging multiple sets of racks in the warehouse according to the rack layout information, using a robot to draw a depositary map in the warehouse (S102); and establishing a correspondence between preconfigured depositary place identifications of depositary places and each depositary place in the depositary map (S103). The method can implement the rapid deployment of racks in a warehouse; and after the racks are deployed, a depositary map can be drawn quickly. After the deployment of the warehouse, it is only needed to put goods into depositary places of the racks, and then the depositary map and the correspondence between depositary place identifications and depositary places are used to complete robot picking; and a surge in demand for goods from e-commerce companies during an event can be rapidly responded. Furthermore, the present invention further relates to an apparatus and a storage medium.
Patent WO-2021051767-A1 (WO)
Inventor: SHANG MINGCHEN
IPC: G06Q50/12
Filed: 2020-03-19
Abstract: 本发明涉及酒店管理技术领域，具体涉及酒店商品监控管理装置及方法，包括解锁装置及锁定装置，所述解锁装置包括解锁片；所述锁定装置包括上盖、解锁片插块、移动锁定块、弹簧、固定锁定块、转轴、下盖及旋盖；所述下盖一侧通过转轴与旋盖一侧转动连接，下盖另一侧安装移动锁定块，移动锁定块底部与下盖之间设置弹簧，旋盖另一侧安装固定锁定块，所述移动锁定块与固定锁定块相配合，上盖固定于下盖上部，上盖与下盖之间设置解锁片插块，上盖的一侧开设解锁片插孔，所述下盖及旋盖内侧设置锁定商品的结构。本发明采用纯机械方式对酒店商品进行锁定及解锁，更加可靠，方便，有效对酒店商品进行管控。
Patent WO-2020192541-A1 (WO)
Inventor: Zang Chenqiang
IPC: H01M10/613
Filed: 2020-03-19
Abstract: A heat management assembly, comprising a valve assembly and a heat exchange core. The heat exchange core and the valve assembly are fixedly connected by means of welding. The valve assembly further comprises a sensor. The sensor is electrically connected to a circuit board. The sensor at least partially extends into a third flow channel. The sensor can measure the temperature and/or pressure of a working medium in the third flow channel. The heat exchange core at least comprises a positioning portion. A valve at least comprises a matching portion. The positioning portion and the matching portion are provided to correspondingly match each other. By means of the structures above, the sensor, the valve assembly, and the heat exchange core are integrally assembled to facilitate relative reduction of connections of pipelines and sensor lines, thereby facilitating structure simplification and facilitating mounting.
Patent WO-2021017518-A1 (WO)
Title: Electronic device and image processing method
Inventor: XIAO JING
IPC: H04N5/225
Filed: 2020-04-08
Abstract: Provided in the embodiments of the present application are an electronic device and an image processing method. The electronic device comprises a back cover, a front camera, a rear camera and a reflective device, wherein the reflective device can be switched between a use state and an idle state. The image processing method comprises: when a user's operation of turning on the front camera is detected, controlling the reflective device to switch from the idle state to the use state, wherein the use state of the reflective device means that the reflective device is located on the object side of the rear camera and is used for reflecting an image in the direction of the front camera so that the rear camera captures the image reflected by the reflective device; acquiring an image captured by the front camera and the rear camera respectively; processing the image captured by the rear camera; and merging the image captured by the front camera with the processed image captured by the rear camera. According to the present application, the angle of view of a picture taken by the front camera is increased, and the cost is relatively low.