WO2017059638A1 - 指纹识别方法及装置 - Google Patents
指纹识别方法及装置 Download PDFInfo
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- WO2017059638A1 WO2017059638A1 PCT/CN2015/099037 CN2015099037W WO2017059638A1 WO 2017059638 A1 WO2017059638 A1 WO 2017059638A1 CN 2015099037 W CN2015099037 W CN 2015099037W WO 2017059638 A1 WO2017059638 A1 WO 2017059638A1
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- fingerprint recognition
- sensor
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1318—Sensors therefor using electro-optical elements or layers, e.g. electroluminescent sensing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1312—Sensors therefor direct reading, e.g. contactless acquisition
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/25—Determination of region of interest [ROI] or a volume of interest [VOI]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/13—Sensors therefor
- G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/12—Fingerprints or palmprints
- G06V40/1365—Matching; Classification
Definitions
- the present disclosure relates to the field of liquid crystal displays, and in particular, to a fingerprint identification method and apparatus.
- the fingerprint recognition sensor configured in the electronic device can identify the fingerprint of the user and verify the fingerprint of the user. After the verification is passed, the user is allowed to operate the electronic device, thereby preventing the electronic device from being operated by a stranger and ensuring the security of the electronic device.
- the related art provides a fingerprint identification method including: the electronic device detects whether an operation acting on the liquid crystal display is received, and when receiving the action on the liquid crystal display During the operation, the first line of the fingerprint recognition sensor in the liquid crystal display starts scanning line by line until the last line of the fingerprint recognition sensor in the liquid crystal display stops after scanning, and the fingerprint of the user is obtained.
- the present disclosure provides a fingerprint identification method and apparatus.
- determining an occlusion region formed by positions of the respective photosensors blocked by the finger includes:
- a first determining submodule configured to, after receiving the fingerprint identification instruction, determine each of the light sensors whose measured brightness values are less than a predetermined threshold
- liquid crystal display having a fingerprint recognition sensor and a light sensor distributed thereon;
- step 204 a portion of the fingerprint recognition sensor is selected based on the occlusion region.
- the recognition area may be a rectangular area. Since the length and width of the rectangular area are fixed, the electronic device can easily determine each fingerprint distributed in the identification area. Identify the sensor.
- the black dot distributed on the liquid crystal display indicates the fingerprint recognition sensor
- the elliptical area is the occlusion area
- the fingerprint recognition sensor distributed in the occlusion area is the fourth line.
- the identification area determined according to the elliptical area is a rectangular area
- the fingerprint recognition sensor distributed in the rectangular area is the 2-4th of each line in the 4th to 6th lines.
- a flow chart of fingerprint recognition of a finger by a fingerprint recognition sensor of the control part is performed, and a part of the fingerprint recognition sensor for controlling fingerprint selection is performed, including:
- control part fingerprint identification sensor is electrically connected to the corresponding data line
- control part fingerprint identification sensor is electrically connected to the corresponding data line, including: initializing all the fingerprint identification sensors, and electrically connecting the fingerprint identification sensor to the corresponding data line through the enable line control part, wherein each The fingerprint recognition sensor is electrically connected to the corresponding enable line.
- the electronic device controls the fingerprint recognition sensors to scan through the scan command to obtain fingerprint data, and transmits the fingerprint data through the data line for fingerprint recognition processing.
- the fingerprint recognition sensor is a capacitive fingerprint recognition sensor
- the fingerprint data is a capacitance value.
- the light sensor may first determine that the finger is in contact with the liquid crystal display, and then the fingerprint recognition service is started. Therefore, the problem of prematurely starting the fingerprint recognition service for fingerprint recognition, resulting in waste of resources, and achieving the effect of saving resources is avoided.
- the area determining module 320 is configured to determine, after the instruction receiving module 310 receives the fingerprint identification instruction, an occlusion area formed by positions of the respective light sensors blocked by the finger;
- the sensor selection module 330 is configured to select a partial fingerprint recognition sensor according to the occlusion region determined by the region determining module 320;
- the fingerprint identification module 340 is configured to control a partial fingerprint recognition sensor selected by the sensor selection module 330 to perform fingerprint recognition on the finger.
- the fingerprint recognition device acquires a fingerprint recognition instruction triggered by a user's finger; after receiving the fingerprint recognition instruction, determines an occlusion region composed of positions of respective photosensors blocked by the finger; according to the occlusion region Select part of the fingerprint recognition sensor; control part of the fingerprint identification sensor to fingerprint the finger, can control part of the fingerprint recognition sensor for fingerprint recognition, and solve the problem of controlling the waste of resources caused by fingerprint recognition of all fingerprint recognition sensors on the entire liquid crystal display , achieved the effect of saving resources.
- FIG. 4 is a block diagram of a fingerprint identification device, which is applied to an electronic device including a liquid crystal display having a fingerprint recognition sensor and a light sensor distributed thereon, as shown in FIG. 4, according to an exemplary embodiment.
- the fingerprint identification device includes an instruction receiving module 410, an area determining module 420, a sensor selecting module 430, and a fingerprint identifying module 440.
- the instruction receiving module 410 is configured to acquire a fingerprint identification instruction triggered by a user's finger
- the area determining module 420 is configured to determine, after the command receiving module 410 receives the fingerprint identifying instruction, an occlusion area formed by positions of the respective light sensors blocked by the finger;
- the sensor selection module 430 is configured to select a partial fingerprint according to the occlusion region determined by the region determining module 420. Identifying the sensor;
- the fingerprint identification module 440 is configured to control a portion of the fingerprint recognition sensor selected by the sensor selection module 430 to perform fingerprint recognition on the finger.
- the area determining module 420 includes: a first determining submodule 421 and a second determining submodule 422;
- the first determining submodule 421 is configured to, after receiving the fingerprint identification instruction, determine each of the light sensors whose measured brightness values are less than a predetermined threshold;
- the second determining sub-module 422 is configured to determine an area composed of positions of the respective photosensors as an occlusion area.
- the fingerprint identification device further includes: an area detecting module 450 and an operation triggering module 460;
- the area detecting module 450 is configured to detect whether the light sensor is blocked by a finger according to the occlusion area
- the operation triggering module 460 is configured to, when the area detecting module 450 detects that the light sensor is blocked by the finger according to the occlusion area, trigger a step of performing fingerprint identification by the partial fingerprint recognition sensor that controls the selection.
- the sensor selection module 430 includes:
- a first selection sub-module 431 configured to determine respective fingerprint recognition sensors distributed in the occlusion region
- the fingerprint identification module 440 includes: a connection control sub-module 441 and a fingerprint output sub-module 442;
- connection control sub-module 441 is configured to control a part of the fingerprint recognition sensor to be electrically connected to the corresponding data line;
- the fingerprint output sub-module 442 is configured to output fingerprint data collected by the partial fingerprint recognition sensor through the data line.
- connection control submodule 441 is further configured to:
- All the fingerprint recognition sensors are initialized and electrically connected to the corresponding data lines through the enable line control portion, wherein each fingerprint recognition sensor is electrically connected to the corresponding enable line.
- the light sensor may first determine that the finger is in contact with the liquid crystal display, and then the fingerprint recognition service is started. Therefore, the problem of prematurely starting the fingerprint recognition service for fingerprint recognition, resulting in waste of resources, and achieving the effect of saving resources is avoided.
- An exemplary embodiment of the present disclosure provides a fingerprint identification device capable of implementing the fingerprint identification method provided by the present disclosure.
- the fingerprint identification device is used in an electronic device, including: a liquid crystal display screen, and a fingerprint recognition sensor is distributed on the liquid crystal display screen. And a light sensor; a processor, a memory for storing processor executable instructions;
- processor is configured to:
- a part of the fingerprint recognition sensor that controls the selection performs fingerprint recognition on the finger.
- FIG. 5 is a block diagram of an apparatus 500 for fingerprint recognition, according to an exemplary embodiment.
- device 500 can be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a gaming console, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like.
- apparatus 500 can include one or more of the following components: processing component 502, memory 504, power component 506, multimedia component 508, audio component 510, input/output (I/O) interface 512, sensor component 514, And a communication component 516.
- Processing component 502 typically controls the overall operation of device 500, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations.
- Processing component 502 can include one or more processors 518 to execute instructions to perform all or part of the steps described above.
- processing component 502 can include one or more modules to facilitate interaction between component 502 and other components.
- processing component 502 can include a multimedia module to facilitate interaction between multimedia component 508 and processing component 502.
- Memory 504 is configured to store various types of data to support operation at device 500. Examples of such data include instructions for any application or method operating on device 500, contact data, phone book data, messages, pictures, videos, and the like.
- the memory 504 can be implemented by any type of volatile or non-volatile storage device, or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read only memory (EEPROM), erasable.
- SRAM static random access memory
- EEPROM electrically erasable programmable read only memory
- EPROM Electrically erasable programmable read only memory
- PROM Programmable Read Only Memory
- ROM Read Only Memory
- Magnetic Memory Flash Memory
- Disk Disk or Optical Disk.
- Power component 506 provides power to various components of device 500.
- Power component 506 can include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for device 500.
- the multimedia component 508 includes a screen between the device 500 and the user that provides an output interface.
- the screen can include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen can be implemented as a liquid crystal display to receive input signals from the user.
- the touch panel includes one or more touch sensors to sense touches, slides, and gestures on the touch panel. The touch sensor may sense not only the boundary of the touch or sliding action, but also the duration and pressure associated with the touch or slide operation.
- the multimedia component 508 includes a front camera and/or a rear camera. When the device 500 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera can receive external multimedia data. Each front camera and rear The camera can be a fixed optical lens system or have focal length and optical zoom capabilities.
- the audio component 510 is configured to output and/or input an audio signal.
- audio component 510 includes a microphone (MIC) that is configured to receive an external audio signal when device 500 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode.
- the received audio signal may be further stored in memory 504 or transmitted via communication component 516.
- audio component 510 also includes a speaker for outputting an audio signal.
- the I/O interface 512 provides an interface between the processing component 502 and the peripheral interface module, which may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to, a home button, a volume button, a start button, and a lock button.
- Sensor assembly 514 includes one or more sensors for providing device 500 with various aspects of status assessment.
- sensor assembly 514 can detect an open/closed state of device 500, a relative positioning of components, such as the display and keypad of device 500, and sensor component 514 can also detect a change in position of one component of device 500 or device 500. The presence or absence of user contact with device 500, device 500 orientation or acceleration/deceleration, and temperature variation of device 500.
- Sensor assembly 514 can include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
- Sensor assembly 514 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
- Sensor component 514 can also include a fingerprint recognition sensor configured to recognize the fingerprint.
- the sensor component 514 can also include an acceleration sensor, a gyro sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
- Communication component 516 is configured to facilitate wired or wireless communication between device 500 and other devices.
- the device 500 can access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof.
- communication component 516 receives broadcast signals or broadcast associated information from an external broadcast management system via a broadcast channel.
- the communication component 516 also includes a near field communication (NFC) module to facilitate short range communication.
- NFC near field communication
- the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
- RFID radio frequency identification
- IrDA infrared data association
- UWB ultra-wideband
- Bluetooth Bluetooth
- apparatus 500 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor, or other electronic component implementation for performing the above methods.
- ASICs application specific integrated circuits
- DSPs digital signal processors
- DSPDs digital signal processing devices
- PLDs programmable logic devices
- FPGA field programmable A gate array
- controller microcontroller, microprocessor, or other electronic component implementation for performing the above methods.
- non-transitory computer readable storage medium comprising instructions, such as a memory 504 comprising instructions executable by processor 518 of apparatus 500 to perform the above method.
- the non-transitory computer readable storage medium may be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, and an optical data storage device.
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Abstract
Description
Claims (13)
- 一种指纹识别方法,用于包括液晶显示屏的电子设备中,所述液晶显示屏上分布有指纹识别传感器和光传感器,其特征在于,所述方法包括:获取用户手指触发的指纹识别指令;在接收到所述指纹识别指令后,确定被所述手指遮挡的各个光传感器的位置所组成的遮挡区域;根据所述遮挡区域选择部分指纹识别传感器;控制选择的所述部分指纹识别传感器对所述手指进行指纹识别。
- 根据权利要求1所述的方法,其特征在于,所述在接收到所述指纹识别指令后,确定被所述手指遮挡的各个光传感器的位置所组成的遮挡区域,包括:在接收到所述指纹识别指令后,确定测得的亮度值小于预定阈值的各个光传感器;将所述各个光传感器的位置所组成的区域确定为所述遮挡区域。
- 根据权利要求2所述的方法,其特征在于,所述方法,还包括:根据所述遮挡区域检测所述光传感器是否被所述手指遮挡;当根据所述遮挡区域检测出所述光传感器被所述手指遮挡时,触发执行所述根据所述遮挡区域选择部分指纹识别传感器的步骤。
- 根据权利要求1所述的方法,其特征在于,所述根据所述遮挡区域选择部分指纹识别传感器,包括:确定分布在所述遮挡区域内的各个指纹识别传感器;或者,当所述指纹识别传感器呈阵列分布在所述液晶显示屏上时,确定所述遮挡区域所覆盖的列数和行数,以所述列数为长度、以所述行数为宽度生成矩形的识别区域,确定分布在所述识别区域内的各个指纹识别传感器。
- 根据权利要求1至4任一所述的方法,其特征在于,所述控制选择的所述部分指纹识别传感器对所述手指进行指纹识别,包括:控制所述部分指纹识别传感器与对应的数据线电性相连;通过所述数据线对所述部分指纹识别传感器采集的指纹数据进行输出。
- 根据权利要求5所述的方法,其特征在于,所述控制所述部分指纹识别传感器与对应的数据线电性相连,包括:初始化所有的指纹识别传感器,并通过使能线控制所述部分指纹识别传感器与对应的数 据线电性相连,其中,每个指纹识别传感器与对应的使能线电性相连。
- 一种指纹识别装置,用于包括液晶显示屏的电子设备中,所述液晶显示屏上分布有指纹识别传感器和光传感器,其特征在于,所述装置包括:指令接收模块,被配置为获取用户手指触发的指纹识别指令;区域确定模块,被配置为在所述指令接收模块接收到所述指纹识别指令后,确定被所述手指遮挡的各个光传感器的位置所组成的遮挡区域;传感器选择模块,被配置为根据所述区域确定模块确定的所述遮挡区域选择部分指纹识别传感器;指纹识别模块,被配置为控制所述传感器选择模块选择的所述部分指纹识别传感器对所述手指进行指纹识别。
- 根据权利要求7所述的装置,其特征在于,所述区域确定模块,包括:第一确定子模块,被配置为在接收到所述指纹识别指令后,确定测得的亮度值小于预定阈值的各个光传感器;第二确定子模块,被配置为将所述各个光传感器的位置所组成的区域确定为所述遮挡区域。
- 根据权利要求8所述的装置,其特征在于,所述装置,还包括:区域检测模块,被配置为根据所述遮挡区域检测所述光传感器是否被所述手指遮挡;操作触发模块,被配置为当所述区域检测模块根据所述遮挡区域检测出所述光传感器被所述手指遮挡时,触发执行所述根据所述遮挡区域选择部分指纹识别传感器的步骤。
- 根据权利要求7所述的装置,其特征在于,所述传感器选择模块,包括:第一选择子模块,被配置为确定分布在所述遮挡区域内的各个指纹识别传感器;或者,第二选择子模块,被配置为当所述指纹识别传感器呈阵列分布在所述液晶显示屏上时,确定所述遮挡区域所覆盖的列数和行数,以所述列数为长度、以所述行数为宽度生成矩形的识别区域,确定分布在所述识别区域内的各个指纹识别传感器。
- 根据权利要求7至10任一所述的装置,其特征在于,所述指纹识别模块,包括:连接控制子模块,被配置为控制所述部分指纹识别传感器与对应的数据线电性相连;指纹输出子模块,被配置为通过所述数据线对所述部分指纹识别传感器采集的指纹数据进行输出。
- 根据权利要求11所述的装置,其特征在于,所述连接控制子模块,还被配置为:初始化所有的指纹识别传感器,并通过使能线控制所述部分指纹识别传感器与对应的数据线电性相连,其中,每个指纹识别传感器与对应的使能线电性相连。
- 一种指纹识别装置,其特征在于,所述装置包括:液晶显示屏,所述液晶显示屏上分布有指纹识别传感器和光传感器;处理器;用于存储处理器可执行指令的存储器;其中,所述处理器被配置为:获取用户手指触发的指纹识别指令;在接收到所述指纹识别指令后,确定被所述手指遮挡的各个光传感器的位置所组成的遮挡区域;根据所述遮挡区域选择部分指纹识别传感器;控制选择的所述部分指纹识别传感器对所述手指进行指纹识别。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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RU2016126475A RU2639648C1 (ru) | 2015-10-09 | 2015-12-25 | Способ и устройство распознавания отпечатков пальцев |
KR1020167007232A KR20180054395A (ko) | 2015-10-09 | 2015-12-25 | 지문 식별 방법 및 장치 |
MX2016004585A MX2016004585A (es) | 2015-10-09 | 2015-12-25 | Metodo y aparato para reconocimiento de huellas digitales. |
JP2016519824A JP6366699B2 (ja) | 2015-10-09 | 2015-12-25 | 指紋識別方法および装置 |
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CN201510649735.1 | 2015-10-09 | ||
CN201510649735.1A CN106570442B (zh) | 2015-10-09 | 2015-10-09 | 指纹识别方法及装置 |
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US (1) | US20170103252A1 (zh) |
EP (1) | EP3153989B1 (zh) |
JP (1) | JP6366699B2 (zh) |
KR (1) | KR20180054395A (zh) |
CN (1) | CN106570442B (zh) |
MX (1) | MX2016004585A (zh) |
RU (1) | RU2639648C1 (zh) |
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CN106570442B (zh) | 2021-05-14 |
CN106570442A (zh) | 2017-04-19 |
RU2639648C1 (ru) | 2017-12-21 |
US20170103252A1 (en) | 2017-04-13 |
MX2016004585A (es) | 2017-05-04 |
JP6366699B2 (ja) | 2018-08-01 |
KR20180054395A (ko) | 2018-05-24 |
JP2017534086A (ja) | 2017-11-16 |
EP3153989A1 (en) | 2017-04-12 |
EP3153989B1 (en) | 2021-03-31 |
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