WO2017173734A1 - 调整拍摄角度的方法、装置和无人驾驶飞行器 - Google Patents
调整拍摄角度的方法、装置和无人驾驶飞行器 Download PDFInfo
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- WO2017173734A1 WO2017173734A1 PCT/CN2016/086314 CN2016086314W WO2017173734A1 WO 2017173734 A1 WO2017173734 A1 WO 2017173734A1 CN 2016086314 W CN2016086314 W CN 2016086314W WO 2017173734 A1 WO2017173734 A1 WO 2017173734A1
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- unmanned aerial
- aerial vehicle
- position information
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- shooting
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- 238000000034 method Methods 0.000 title claims abstract description 38
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 claims description 21
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 230000003287 optical effect Effects 0.000 claims description 15
- 238000013519 translation Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241001260012 Bursa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011022 operating instruction Methods 0.000 description 1
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- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C19/00—Aircraft control not otherwise provided for
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
- B64U2101/30—UAVs specially adapted for particular uses or applications for imaging, photography or videography
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2201/00—UAVs characterised by their flight controls
- B64U2201/20—Remote controls
Definitions
- the present invention relates to the field of unmanned aerial vehicles, and in particular, to a method, an apparatus, and an unmanned aerial vehicle for adjusting a shooting angle.
- the aerial drone uses the drone as the aerial platform, acquires information by the onboard remote sensing device, processes the image information with a computer, and creates an image according to certain precision requirements.
- the on-board remote sensing equipment includes a high-resolution CCD (Charge-coupled Device) digital camera, a light optical camera, an infrared scanner, a laser scanner, a magnetic detector, and the like.
- the aerial drone is simple in structure and low in cost, and is suitable for scenes that cannot be reached or photographed by ordinary photography.
- the technical problem to be solved by the present invention is how to automatically adjust the shooting angle of the drone.
- the present invention provides a method for adjusting a shooting angle, including:
- the shooting angle is adjusted based on the relative position information.
- acquiring the location information of the shooting target and the unmanned aerial vehicle includes:
- the position information of the shooting target is compared with the position information of the unmanned aerial vehicle, and the relative position information of the shooting target and the unmanned aerial vehicle is determined.
- a pitch angle parameter is calculated based on the photographing target and the relative height information of the unmanned aerial vehicle.
- adjusting the shooting angle according to the relative position information includes:
- the flight control platform calculates a motor control signal according to the relative position information, and sends the motor control signal to the pan/tilt;
- the pan/tilt drives the motor to adjust a pitch angle of the photographing device according to the motor control signal.
- the method before acquiring the location information of the shooting target, the method further includes:
- the joystick of the unmanned aerial vehicle is locked.
- the invention also provides an apparatus for adjusting a shooting angle, comprising:
- a positioning module for acquiring position information of the shooting target and the unmanned aerial vehicle
- a relative position determining module configured to compare position information of the shooting target with position information of the unmanned aerial vehicle, and determine relative position information of the shooting target and the unmanned aerial vehicle;
- An angle adjustment module is configured to adjust a shooting angle according to the relative position information.
- the positioning module includes:
- a GPS unit configured to communicate with a GPS positioning device disposed on the shooting target, for acquiring latitude and longitude information of the shooting target;
- An optical flow assisted elevation unit for acquiring relative height information of the shooting target
- a coordinate conversion unit connected to the GPS unit, configured to convert the latitude and longitude information of the shooting target from spherical coordinate data into rectangular coordinate data.
- the GPS unit is further configured to acquire latitude and longitude information of the unmanned aerial vehicle;
- the optical flow assisted elevation unit is further configured to acquire the unmanned aerial vehicle Relative coordinate information;
- the coordinate conversion unit is further configured to convert latitude and longitude information of the unmanned aerial vehicle from spherical coordinate data to rectangular coordinate data.
- the relative position determining module is further configured to calculate a translation parameter and a rotation parameter according to the latitude and longitude information after the coordinate conversion of the photographic target and the unmanned aerial vehicle;
- the pitch angle parameter is calculated by describing the relative height information of the photographing target and the unmanned aerial vehicle.
- the angle adjustment module is further configured to send the relative position information to a flight control platform of the unmanned aerial vehicle;
- the device for adjusting the shooting angle further includes:
- the flight control platform is connected to the angle adjustment module, configured to calculate a motor control signal according to the relative position information, and send the motor control signal to the pan/tilt;
- the pan/tilt is connected to the flight control platform, and is configured to drive the motor to adjust a pitch angle of the photographing device according to the motor control signal.
- the present invention also provides an unmanned aerial vehicle including a photographing apparatus, and the unmanned aerial vehicle further includes: a device for adjusting a photographing angle of any one of the embodiments of the present invention.
- the photographing device includes any one of a CCD digital camera, an optical camera, an infrared scanner, a laser scanner, and a magnetic detector.
- the invention can automatically adjust the shooting angle of the shooting device of the unmanned aerial vehicle, can reduce the probability of human operation during the shooting process, effectively capture the captured object and easily achieve the shooting purpose. , reducing the complexity of operation, operating intelligence, and improving the user experience.
- FIG. 1 shows a flow chart of a method of adjusting a shooting angle according to an embodiment of the invention
- FIG. 2 shows another flow chart of a method of adjusting a shooting angle according to an embodiment of the present invention
- FIG. 3 illustrates another flow chart of a method of adjusting a shooting angle according to an embodiment of the present invention
- FIG. 4 is a schematic diagram showing an application scenario of a method of adjusting a shooting angle according to another embodiment of the present invention.
- FIG. 5 is a flow chart showing a method of adjusting a shooting angle according to another embodiment of the present invention.
- FIG. 6 is a block diagram showing the structure of an apparatus for adjusting a shooting angle according to an embodiment of the present invention.
- FIG. 7 is a block diagram showing the structure of a positioning module in an apparatus for adjusting a shooting angle according to an embodiment of the invention.
- FIG. 8 is a block diagram showing the structure of an unmanned aerial vehicle according to an embodiment of the present invention.
- Fig. 9 is a block diagram showing the structure of an apparatus for adjusting a shooting angle according to another embodiment of the present invention.
- the method for adjusting the shooting angle may mainly include:
- Step 101 Acquire location information of the shooting target and the unmanned aerial vehicle
- Step 102 Compare position information of the shooting target with position information of the unmanned aerial vehicle, and determine relative position information of the shooting target and the unmanned aerial vehicle;
- Step 103 Adjust a shooting angle according to the relative position information.
- step 101 may include:
- Step 201 Obtain latitude and longitude information and relative height information of the shooting target, and convert the latitude and longitude information of the shooting target from ball coordinate data into rectangular coordinate data;
- Step 202 Acquire latitude and longitude information and relative height information of the unmanned aerial vehicle, and convert latitude and longitude information of the unmanned aerial vehicle from spherical coordinate data into rectangular coordinate data.
- the timings of the step 201 and the step 202 may be interchanged or may be performed at the same time, which is not limited by the present invention.
- unmanned aerial vehicles can use aircraft inertial navigation systems and GPS (Global Positioning System) navigation systems to ensure safe, reliable, and normal operations in complex environments.
- GPS Global Positioning System
- the positioning coordinate data of the shooting target can be acquired by the GPS, and the position parameters of the unmanned aerial vehicle itself can be acquired.
- step 102 may include:
- Step 203 Calculate a translation parameter and a rotation parameter according to the latitude and longitude information after the coordinate conversion of the shooting target and the unmanned aerial vehicle;
- Step 204 Calculate a pitch angle parameter according to the shooting target and the relative height information of the unmanned aerial vehicle.
- step 103 may include:
- Step 301 Send the relative location information to a flight control platform of the unmanned aerial vehicle;
- Step 302 The flight control platform calculates a motor control signal according to the relative position information, and sends the motor control signal to the pan/tilt;
- Step 303 The pan/tilt drives the motor according to the motor control signal to adjust a pitch angle of the photographing device.
- a drive motor is provided in the pan/tilt of the unmanned aerial vehicle, and the drive motor is connected to the position adjustment mechanism of the photographing device, and the tilt angle of the photographing device can be adjusted.
- Shooting equipment can be However, it is not limited to CCD digital cameras, optical cameras, infrared scanners, laser scanners, magnetic instruments and other on-board remote sensing devices.
- the method may include:
- Step 100 Determine whether to enter the intelligent aerial photography mode, and if it is determined to enter the intelligent aerial photography mode, perform step 200, otherwise, enter the manual mode.
- Step 200 locking the joystick.
- the unmanned aerial vehicle with the aerial photography function includes: a precise positioning tracking GPS module 41, an optical flow assisted elevation module 42, a GPS module 43 of the ground object, a flight control platform 44, and a cloud. Table 45 and camera 46.
- the CPU of the unmanned aerial vehicle can be obtained by acquiring the position information of the object to be photographed (ie, the photographing target) by the GPS module 41 inside the drone (in combination with the GPS module 43 installed on the ground subject) and the optical flow assisted height setting system.
- the position comparison algorithm and the coordinate conversion system are used to calculate the relative position information between the unmanned aerial vehicle and the object to be photographed and the pitch angle data due to the height difference.
- the CPU then transmits the relative position information and the pitch angle data due to the height difference to the flight control platform 44 via the data transmission system.
- the relative position information and the pitch angle data due to the height difference are converted by the flight control platform 44 into control signals indicative of the specific mechanical motion, and transmitted to the pan-tilt 45.
- the pan/tilt 45 drives the camera 46 to rotate in a predetermined direction to automatically align the subject, thereby completing the shooting easily, conveniently, and quickly.
- Accurate calculation and accurate control according to the embodiment of the present invention can effectively capture the object to be photographed and easily achieve the purpose of shooting, operate the intelligence, and improve the user experience.
- FIG. 5 illustrates a flow chart of a method of adjusting a shooting angle according to another embodiment of the present invention.
- the method of adjusting the shooting angle is implemented by using an APP (application) end on a smart device such as a mobile phone, a tablet computer, or a notebook computer as an example.
- the smart aerial mode is entered by setting a remote control lock lever on the APP side.
- the characteristics of the intelligent aerial mode may include any one or more of the following:
- the drone always follows the subject that holds the tracking device.
- the method for adjusting the shooting angle may specifically include:
- the APP terminal determines whether to enter the smart aerial mode according to the user operation (step 401), and after the smart aerial mode, starts the lock operation bar program (step 402).
- the APP terminal can send a control signal to the drone to enter the intelligent aerial mode, and the CPU of the drone obtains the latitude and longitude of the subject from the GPS module 41 on the drone and the GPS module 43 on the ground object (ie, the shooting target). Information (step 403).
- the CPU obtains the relative height information of the subject from the optical flow assisted elevation module 42, wherein the relative height information is assumed to be (X, Y, Z).
- the CPU Since the GPS uploads the spherical coordinate data, it is necessary to perform coordinate conversion, for example, to retrieve the Bursa coordinate conversion algorithm program (step 404), and the CPU converts the latitude and longitude information into local three-dimensional rectangular coordinate information data.
- the conversion calculation includes three translation parameters (x, y, z), three rotation parameters (x1, y1, z1), and a scale parameter m embodying the pitch angle.
- the CPU can compare the position information of the subject with the drone's own position parameter (obtained from the GPS module 41) to obtain relative position information between the drone and the photographic subject (step 405).
- the CPU transmits the relative position information data to the flight control platform 44 (or the flight control module) of the drone through a data line (or wireless transmission) such as an ESC control panel.
- the flight control platform 44 calculates an output motor control signal to the pan/tilt head 45 based on the relative position information (step 406).
- the driving motor in the pan/tilt 45 captures the shooting target according to the correct pitch angle, and captures the camera in real time through the auxiliary correction means on the APP, and the shooting device such as the camera is at the optimal shooting angle, thereby ensuring an optimal shooting effect (step 407).
- the method for adjusting the shooting angle may further include:
- Step 408 The APP determines whether the drone switches to the home mode, and if so, switches to the home module, instructs the drone to return to the starting location or the set home location, and waits for the next time to start aerial photography; Otherwise, step 409 is performed. For example, in the case where the drone is low in power, the user selects the home module, etc., the drone can switch to the home mode.
- step 409 the APP determines whether the aerial photography is completed, and if so, ends. Otherwise, the set delay program is started (step 410), and after a certain delay, the process returns to step 403.
- the invention can automatically adjust the shooting angle of the shooting device in the intelligent aerial photography mode, can greatly reduce the probability of human operation during the shooting process, can effectively capture the object to be photographed and easily achieve the shooting purpose, operate the intelligence, and significantly improve the operation experience of the ordinary user. Especially for outdoor sports enthusiasts, such as rock climbing, cycling, skiing, skateboarding and other users to provide easy and convenient self-timer effect.
- FIG. 6 is a block diagram showing the structure of an apparatus for adjusting a shooting angle according to an embodiment of the present invention. As shown in FIG. 6, the apparatus for adjusting the shooting angle may include:
- a positioning module 51 configured to acquire location information of the shooting target and the unmanned aerial vehicle
- the relative position determining module 53 is configured to compare position information of the shooting target with position information of the unmanned aerial vehicle, and determine relative position information of the shooting target and the unmanned aerial vehicle;
- the angle adjustment module 55 is configured to adjust the shooting angle according to the relative position information.
- the positioning module 51 includes:
- the GPS unit 511 is configured to communicate with a GPS positioning device disposed on the shooting target, and configured to acquire latitude and longitude information of the shooting target;
- the optical flow assisted elevation unit 513 is configured to acquire relative height information of the shooting target
- the coordinate conversion unit 515 is connected to the GPS unit 511 for converting the latitude and longitude information of the shooting target from spherical coordinate data into rectangular coordinate data.
- the GPS unit 511 is further configured to acquire latitude and longitude information of the unmanned aerial vehicle;
- the optical flow assisted elevation unit 513 is further configured to acquire a relative height of the unmanned aerial vehicle.
- the coordinate conversion unit 515 is further configured to use the unmanned aerial vehicle The latitude and longitude information is converted from ball coordinate data to rectangular coordinate data.
- the relative position determining module 53 is further configured to calculate a translation parameter and a rotation parameter according to the latitude and longitude information after the coordinate conversion of the photographic target and the unmanned aerial vehicle; according to the shooting target A pitch angle parameter is calculated from the relative height information of the unmanned aerial vehicle.
- the angle adjustment module 55 is further configured to send the relative position information to a flight control platform of the unmanned aerial vehicle;
- the device for adjusting a shooting angle further includes:
- the flight control platform 57 is connected to the angle adjustment module, configured to calculate a motor control signal according to the relative position information, and send the motor control signal to the pan/tilt;
- the pan/tilt head 59 is connected to the flight control platform for driving the motor to adjust the pitch angle of the photographing device according to the motor control signal.
- FIG. 8 is a block diagram showing the structure of an unmanned aerial vehicle according to an embodiment of the present invention.
- the unmanned aerial vehicle may include: a photographing device 71 and a device 73 for adjusting a photographing angle of any one of the above embodiments.
- the photographing device includes, but is not limited to, any one of a CCD digital camera, an optical camera, an infrared scanner, a laser scanner, and a magnetic detector.
- Fig. 9 is a block diagram showing the structure of an apparatus for adjusting a shooting angle according to another embodiment of the present invention.
- the device 1100 for adjusting the shooting angle may be a host server having a computing capability, a personal computer PC, or a portable computer or terminal that can be carried.
- the specific embodiments of the present invention do not limit the specific implementation of the computing node.
- the apparatus 1100 for adjusting a shooting angle includes a processor 1110, a communication interface 1120, a memory 1130, and a bus 1140.
- the processor 1110, the communication interface 1120, and the memory 1130 complete communication with each other through the bus 1140.
- Communication interface 1120 is for communicating with network devices, including, for example, a virtual machine management center, shared storage, and the like.
- the processor 1110 is configured to execute a program.
- the processor 1110 may be a central processing unit CPU, or an Application Specific Integrated Circuit (ASIC), or one or more integrated circuits configured to implement the embodiments of the present invention.
- ASIC Application Specific Integrated Circuit
- the memory 1130 is used to store files.
- the memory 1130 may include a high speed RAM memory and may also include a non-volatile memory such as at least one disk memory.
- Memory 1130 can also be a memory array.
- the memory 1130 may also be partitioned, and the blocks may be combined into a virtual volume according to certain rules.
- the above program may be program code including computer operating instructions. This procedure can be used to: implement the operations of the steps in Embodiments 1 and 2.
- the function is implemented in the form of computer software and sold or used as a stand-alone product, it is considered to some extent that all or part of the technical solution of the present invention (for example, a part contributing to the prior art) is It is embodied in the form of computer software products.
- the computer software product is typically stored in a computer readable non-volatile storage medium, including instructions for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform all of the methods of various embodiments of the present invention. Or part of the steps.
- the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a removable hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.
- the invention can automatically adjust the shooting angle of the shooting device of the unmanned aerial vehicle, can reduce the probability of human operation during the shooting process, effectively capture the captured object and easily achieve the shooting purpose. , reducing the complexity of operation, operating intelligence, and improving the user experience.
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Abstract
Description
Claims (12)
- 一种调整拍摄角度的方法,其特征在于,包括:获取拍摄目标和无人驾驶飞行器的位置信息;将所述拍摄目标的位置信息与所述无人驾驶飞行器的位置信息进行比较,确定所述拍摄目标和所述无人驾驶飞行器的相对位置信息;根据所述相对位置信息,调整拍摄角度。
- 根据权利要求1所述的方法,其特征在于,获取拍摄目标和无人驾驶飞行器的位置信息,包括:获取拍摄目标的经纬度信息和相对高度信息,并将所述拍摄目标的经纬度信息由球坐标数据转换为直角坐标数据;获取所述无人驾驶飞行器的经纬度信息和相对高度信息,并将所述无人驾驶飞行器的经纬度信息由球坐标数据转换为直角坐标数据。
- 根据权利要求2所述的方法,其特征在于,将所述拍摄目标的位置信息与所述无人驾驶飞行器的位置信息进行比较,确定所述拍摄目标和所述无人驾驶飞行器的相对位置信息,包括:根据所述拍摄目标和所述无人驾驶飞行器坐标转换后的经纬度信息计算得到平移参数和旋转参数;根据所述拍摄目标和所述无人驾驶飞行器的相对高度信息计算得到俯仰角度参数。
- 根据权利要求1至3中任一项所述的方法,其特征在于,根据所述相对位置信息,调整拍摄角度,包括:将所述相对位置信息发送给所述无人驾驶飞行器的飞行控制平台;所述飞行控制平台根据所述相对位置信息计算得到电机控制信号,并将所述电机控制信号发送给云台;所述云台根据所述电机控制信号驱动电机调整拍摄设备的俯仰角度。
- 根据权利要求1至3中任一项所述的方法,其特征在于,在获取拍摄 目标的位置信息之前,还包括:判断是否进入智能航拍模式;在判定进入智能航拍模式的情况下,锁定所述无人驾驶飞行器的操纵杆。
- 一种调整拍摄角度的装置,其特征在于,包括:定位模块,用于获取拍摄目标和无人驾驶飞行器的位置信息;相对位置确定模块,用于将所述拍摄目标的位置信息与所述无人驾驶飞行器的位置信息进行比较,确定所述拍摄目标和所述无人驾驶飞行器的相对位置信息;角度调整模块,用于根据所述相对位置信息,调整拍摄角度。
- 根据权利要求6所述的装置,其特征在于,所述定位模块包括:GPS单元,与设置于拍摄目标上的GPS定位设备相通信,用于获取所述拍摄目标的经纬度信息;光流辅助定高单元,用于获取所述拍摄目标的相对高度信息;坐标转换单元,与所述GPS单元连接,用于将所述拍摄目标的经纬度信息由球坐标数据转换为直角坐标数据。
- 根据权利要求7所述的装置,其特征在于,所述GPS单元还用于获取所述无人驾驶飞行器的经纬度信息;所述光流辅助定高单元还用于获取所述无人驾驶飞行器的相对高度信息;所述坐标转换单元还用于将所述无人驾驶飞行器的经纬度信息由球坐标数据转换为直角坐标数据。
- 根据权利要求6至8中任一项所述的装置,其特征在于,所述相对位置确定模块还用于根据所述拍摄目标和所述无人驾驶飞行器坐标转换后的经纬度信息计算得到平移参数和旋转参数;根据所述拍摄目 标和所述无人驾驶飞行器的相对高度信息计算得到俯仰角度参数。
- 根据权利要求6至8中任一项所述的装置,其特征在于,所述角度调整模块还用于将所述相对位置信息发送给所述无人驾驶飞行器的飞行控制平台;所述调整拍摄角度的装置还包括:所述飞行控制平台,与所述角度调整模块连接,用于根据所述相对位置信息计算得到电机控制信号,并将所述电机控制信号发送给云台;所述云台,与所述飞行控制平台连接,用于根据所述电机控制信号驱动电机调整拍摄设备的俯仰角度。
- 一种无人驾驶飞行器,包括拍摄设备,其特征在于,所述无人驾驶飞行器还包括:权利要求6至10中任一项所述的调整拍摄角度的装置。
- 根据权利要求11所述的无人驾驶飞行器,其特征在于,所述拍摄设备包括:CCD数码相机、光学相机、红外扫描仪、激光扫描仪和磁测仪中任意一种。
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CN109764838A (zh) * | 2018-12-13 | 2019-05-17 | 北京百度网讯科技有限公司 | 确定自动驾驶系统的安装位的方法、装置及设备 |
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