WO2019007191A1 - 控制方法、电子装置和计算机可读存储介质 - Google Patents

控制方法、电子装置和计算机可读存储介质 Download PDF

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Publication number
WO2019007191A1
WO2019007191A1 PCT/CN2018/090625 CN2018090625W WO2019007191A1 WO 2019007191 A1 WO2019007191 A1 WO 2019007191A1 CN 2018090625 W CN2018090625 W CN 2018090625W WO 2019007191 A1 WO2019007191 A1 WO 2019007191A1
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WO
WIPO (PCT)
Prior art keywords
infrared light
camera
electronic device
light source
infrared
Prior art date
Application number
PCT/CN2018/090625
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English (en)
French (fr)
Inventor
林尚波
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to US16/625,614 priority Critical patent/US11176354B2/en
Priority to EP18827737.0A priority patent/EP3623988A4/en
Publication of WO2019007191A1 publication Critical patent/WO2019007191A1/zh

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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
    • G06V40/16—Human faces, e.g. facial parts, sketches or expressions
    • G06V40/161—Detection; Localisation; Normalisation
    • 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
    • G06V40/18—Eye characteristics, e.g. of the iris
    • G06V40/19—Sensors therefor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31—User authentication
    • G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/12—Details of acquisition arrangements; Constructional details thereof
    • G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
    • G06V10/141—Control of illumination
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/12—Details of acquisition arrangements; Constructional details thereof
    • G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
    • G06V10/143—Sensing or illuminating at different wavelengths
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/12—Details of acquisition arrangements; Constructional details thereof
    • G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
    • G06V10/145—Illumination specially adapted for pattern recognition, e.g. using gratings
    • 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
    • G06V40/18—Eye characteristics, e.g. of the iris

Definitions

  • the present invention relates to an electronic device, and more particularly to a control method, an electronic device, and a computer readable storage medium.
  • Iris recognition generally requires an infrared light source to assist the infrared camera to obtain a clear iris image.
  • the illumination range of the infrared light source is limited, resulting in limited working range of iris recognition.
  • Embodiments of the present invention provide a control method, an electronic device, and a computer readable storage medium.
  • a method for controlling an infrared light source assembly is for an electronic device, the electronic device includes a camera, the infrared light source assembly includes at least two infrared light sources having different illumination ranges, and the control method includes the following steps :
  • the electronic device includes:
  • An infrared light source assembly comprising at least two infrared light sources having different illumination ranges;
  • a processor for:
  • An infrared light source assembly comprising at least two infrared light sources having different illumination ranges;
  • One or more processors are One or more processors;
  • One or more programs wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors for executing instructions of the control method.
  • a computer readable storage medium of an embodiment of the present invention includes a computer program for use with an electronic device, the computer program being executable by a processor to perform the control method.
  • the control method, the electronic device and the computer readable storage medium of the embodiments of the present invention activate the infrared light source according to the face position information, so that the face falls into the illumination range of the activated infrared light source, thereby facilitating the electronic device to acquire a clear iris image. .
  • FIG. 1 is a schematic flow chart of a method for controlling an infrared light source assembly according to an embodiment of the present invention
  • FIG. 2 is a schematic plan view of an electronic device according to an embodiment of the present invention.
  • FIG 3 is another schematic plan view of an electronic device according to an embodiment of the present invention.
  • FIG. 4 is another schematic flow chart of a method for controlling an infrared light source assembly according to an embodiment of the present invention.
  • FIG. 5 is still another schematic flowchart of a method for controlling an infrared light source assembly according to an embodiment of the present invention
  • FIG. 6 is another schematic plan view of an electronic device according to an embodiment of the present invention.
  • FIG. 7 is another schematic plan view of an electronic device according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram showing states of an infrared light source, an infrared camera, and a visible light camera according to an embodiment of the present invention
  • FIG. 9 is another schematic flow chart of a method for controlling an infrared light source assembly according to an embodiment of the present invention.
  • FIG. 10 is still another schematic plan view of an electronic device according to an embodiment of the present invention.
  • FIG. 11 is a schematic diagram showing the connection of an electronic device and a computing readable storage medium according to an embodiment of the present invention.
  • Electronic device 100 infrared light source assembly 10, infrared light source 12, camera 20, infrared camera 22, visible light camera 24, processor 30, iris recognition module 40, housing 50, front surface 52, memory 60, computer readable storage medium 800.
  • the control method of the infrared light source assembly 10 can be applied to the electronic device 100.
  • the electronic device 100 includes a camera 20 that includes at least two infrared light sources 12 having different illumination ranges.
  • the control method includes the following steps:
  • S36 Start the infrared light source 12 whose face falls into the corresponding illumination range according to the face position information and turn off or keep the other infrared light sources 12 off.
  • the electronic device 100 of the embodiment of the present invention includes an infrared light source assembly 10, a camera 20, and a processor 30.
  • the infrared light source assembly 10 includes at least two infrared light sources 12 having different illumination ranges.
  • the processor 30 is configured to:
  • the infrared light source 12 whose face falls into the corresponding illumination range is activated according to the face position information and the other infrared light sources 12 are turned off or kept off.
  • control method of the embodiment of the present invention can be implemented by the electronic device 100 of the embodiment of the present invention, wherein the steps S32, S34, and S36 can be implemented by the processor 30.
  • the control method and the electronic device 100 of the embodiment of the present invention activate the infrared light source 12 according to the face position information, so that the face falls into the illumination range of the activated infrared light source 12, thereby facilitating the electronic device 100 to acquire a clear iris image.
  • infrared source 12 refers to a source of infrared radiation (infrared light) that is a range of electromagnetic radiation having a wavelength greater than the wavelength of red light.
  • At least two infrared light sources 12 having different illumination ranges may be respectively disposed at different positions, such as up, down, left, and right of the electronic device 100. Due to the limitation of the illumination range of the infrared light source 12, the infrared light source 12 can cover different illumination ranges. For example, when the infrared light source 12 is on the left side of the electronic device 100, the infrared light source 12 has better illumination effect on the left front side of the electronic device 100, and the illumination effect on the right front side of the electronic device 100 is not good or even covered.
  • the face position information refers to the position of the face relative to the electronic device 100, such as when the face is in front of the left front of the electronic device 100, the face position information is the left front, and the infrared light source 12 corresponding to the illumination range
  • the infrared light source 12 can be the left side of the electronic device 100, so that the infrared light source 12 on the left side of the electronic device 100 can be activated to enable the infrared light source 12 to provide infrared light to the human face.
  • the other infrared light sources 12 can be turned off or kept off to avoid Unnecessary power consumption is caused to the electronic device 100 and severe heat generation caused by the operation of the plurality of infrared light sources 12 together.
  • the infrared light source 12 other than the infrared light source 12 corresponding to the illumination range may be in an activated state or a closed state
  • turning off or keeping the other infrared light sources 12 off may mean turning off the other infrared light sources 12 in the activated state.
  • the infrared source 12 and the infrared source 12 that are turned off in the other infrared source 12 are kept off.
  • the face position information includes human eye position information, nose position information, ear position information, and the like, that is, face position information can be determined by position information of a part such as a human eye, a nose, an ear, or the like.
  • the electronic device 100 includes a cell phone, a laptop, a tablet, a smart watch, or smart glasses. In an embodiment of the invention, the electronic device 100 is a mobile phone.
  • the camera 20 includes an infrared camera 22
  • the electronic device 100 includes an iris recognition module 40
  • the iris recognition module 40 includes an infrared light source assembly 10 and an infrared camera 22 .
  • the infrared camera 22 and the infrared light source assembly 10 can cooperate to achieve imaging of the iris image.
  • the infrared light source 12 in the infrared light source assembly 10 is used to emit infrared light to the human eye to make the details of the iris (such as spots, filaments, crowns, stripes, crypts, etc.) become clear and clear, and then use the infrared camera. 22
  • the iris is imaged to obtain an iris image.
  • step S32 includes the following steps:
  • S324 Control the infrared camera 22 to collect a face image.
  • processor 30 is configured to:
  • the infrared camera 22 is controlled to collect a face image.
  • steps S322 and S324 can be implemented by the processor 30.
  • the infrared camera 22 can be used to capture the face image.
  • the face image is used to acquire the face position information, and thus the quality of the face image (such as color, resolution, etc.) is not high, so the infrared camera 22 can be used to collect the face image.
  • the face image acquired by the infrared camera 22 is used to acquire face position information.
  • all of the infrared light sources 12 can be turned off and on to avoid unnecessary power consumption of the electronic device 100.
  • step S32 includes the following steps:
  • S326 activate at least any of the infrared light sources 12 and turn off or keep the other infrared light sources 12 off;
  • processor 30 is configured to:
  • the infrared camera 22 is controlled to collect a face image.
  • steps S326 and S328 can be implemented by the processor 30.
  • the infrared source 12 can be activated to assist the infrared camera 22 in capturing facial images.
  • the infrared camera 22 has insufficient infrared light collection capability due to the relatively low configuration of the infrared camera 22, thereby causing the infrared camera 22 to not separately acquire the face image. Therefore, at least any of the infrared light sources 12 can be activated.
  • the auxiliary infrared camera 22 acquires a face image, and turns off or turns off other infrared light sources 12 to reduce power consumption of the electronic device 100. It should be noted that starting at least one of the infrared light sources 12 means starting any one of the infrared light sources 12, and the number is at least one.
  • any one of the infrared light sources 12 may be activated first, and the infrared camera 22 is controlled to collect the face image, and it is determined whether the infrared camera 22 successfully collects the face image. If the face image is successfully collected, the subsequent control method may be performed, for example, step S340. : processing the face image to obtain the face position information; if the face image is unsuccessful, the infrared light source 12 can be activated or the infrared light source 12 that is now activated can be turned off and the other infrared light source 12 can be restarted, and then the infrared camera is controlled. 22 The face image is collected until the face image is successfully acquired.
  • the camera 20 includes a visible light camera 24
  • the electronic device 100 includes an iris recognition module 40 .
  • the iris recognition module 40 includes an infrared light source assembly 10 and an infrared camera 22 .
  • the visible light camera 24 can be used to capture the face image.
  • the camera 20 of the electronic device 100 may include a visible light camera 24 to obtain a color image using the visible light camera 24. Since the related art of the visible light camera 24 (such as a control method or an image data processing method, etc.) is relatively mature, the visible light camera 24 can quickly obtain a face image.
  • the electronic device 100 includes a housing 50 that includes a front surface 52 , and an iris recognition module 40 and a visible light camera 24 are disposed within the housing 50 and exposed from the front surface 52 .
  • the iris recognition module 40 and the visible light camera 24 can be protected by the housing 50 of the electronic device 100 and the iris recognition module 40 and the visible light camera 24 can be operated.
  • the iris recognition module 40 and the visible light camera 24 are disposed in the housing 50, and the iris recognition module 40 and the visible light camera 24 can be protected by the dustproof and waterproof function of the housing 50, thereby avoiding the iris recognition module 40 and The visible light camera 24 is damaged by external factors and affects its normal operation.
  • the iris recognition module 40 and the visible light camera 24 are exposed from the front surface 52 to facilitate the iris recognition module 40 and the visible light camera 24 to operate, thereby avoiding the infrared camera 22 and the visible light camera 24 that affect the iris recognition module 40 to collect light, thereby ensuring The iris recognition module 40 and the visible light camera 24 are capable of operating efficiently.
  • the illumination range of the infrared source 12, the field of view of the infrared camera 22, and the field of view of the visible light camera 24 at least partially overlap.
  • the infrared source 12, the infrared camera 22, and the visible light camera 24 can operate in conjunction.
  • the infrared light source 12 and the infrared camera 22 need to cooperate to realize collecting iris images.
  • the infrared light source 12 and the infrared camera 22 can be disposed on the same side of the electronic device 100, and the infrared light source 12 and the infrared camera 22 are adjacently disposed. Therefore, the infrared light emitted by the infrared light source 12 can be collected by the infrared camera 22 after passing through the surface of the object.
  • the illumination range of the infrared light source 12, the field of view of the infrared camera 22, and the field of view of the visible light camera 24 at least partially overlap, so that the electronic device 100 can collect the iris image.
  • the visible light camera 24 can be used to collect the face image, thereby The face position information of the image causes the face to fall into the infrared light source 12 and the infrared camera 22 corresponding to the illumination range, thereby obtaining an iris image.
  • step S36 includes the following steps:
  • S366 A reminder message is sent when there is no infrared light source 12 whose face falls into the corresponding illumination range.
  • processor 30 is configured to:
  • a reminder message is issued when there is no infrared light source 12 whose face falls within the corresponding illumination range.
  • steps S362, S364, and S366 can be implemented by the processor 30.
  • the user can be prompted when there is no infrared light source 12 in which the face falls within the corresponding illumination range.
  • the face position information in the face image it may be determined whether there is an infrared light source 12 whose face falls into the corresponding illumination range, and the face is activated when the face falls into the infrared light source 12 corresponding to the illumination range.
  • Falling into the infrared light source 12 corresponding to the illumination range thereby providing infrared light to the human face (especially the human eye) by using the infrared light source 12 whose face falls into the corresponding illumination range, thereby facilitating the infrared camera 22 to collect the iris image;
  • the infrared light source 12 corresponding to the illumination range is entered, for example, the infrared light source 12 is located above the electronic device 100, and the face position information is below, or the distance of the human face from the electronic device 100 is too far, and the electronic device 100 can be controlled to be emitted.
  • the reminder information is used to prompt the user that the success rate of collecting the iris image at this time is not high or the iris image cannot be collected, so that the user can adjust the face position to facilitate the electronic device 100 to collect the iris image.
  • an electronic device 100 includes an infrared light source assembly 10, a camera 20, one or more processors 30, a memory 60, and one or more programs.
  • One or more of the programs are stored in memory 60 and are configured to be executed by one or more processors 30 for executing instructions of the control method of any of the above-described embodiments of the present invention.
  • a program can be used to execute instructions for the following control methods:
  • S320 Control the camera 20 to collect a face image
  • S360 Start the infrared light source 12 whose face falls into the corresponding illumination range according to the face position information and turn off or keep the other infrared light sources 12 off.
  • a computer readable storage medium 800 of an embodiment of the present invention includes a computer program for use with the electronic device 100, which can be executed by the processor 30 to perform the control method of any of the above embodiments of the present invention.
  • a computer program can be executed by processor 30 to perform the following control methods:
  • S320 Control the camera 20 to collect a face image
  • S360 Start the infrared light source 12 whose face falls into the corresponding illumination range according to the face position information and turn off or keep the other infrared light sources 12 off.
  • the computer readable storage medium 800 may be a storage medium built in the electronic device 100 or a storage medium that is pluggably inserted into the electronic device 100.
  • first and second are used for descriptive purposes only, and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” or “second” may include one or more of the described features either explicitly or implicitly.
  • the meaning of "a plurality" is two or more unless specifically defined otherwise.
  • installation In the description of the embodiments of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed connections, for example, or They are detachable or integrally connected; they can be mechanically connected, they can be electrically connected or can communicate with each other; they can be connected directly or indirectly through an intermediate medium, which can be internal or two components of two components. Interaction relationship.
  • an intermediate medium which can be internal or two components of two components.
  • a "computer-readable medium” can be any apparatus that can contain, store, communicate, propagate, or transport a program for use in an instruction execution system, apparatus, or device, or in conjunction with the instruction execution system, apparatus, or device.
  • computer readable media include the following: electrical connections (electronic devices) having one or more wires, portable computer disk cartridges (magnetic devices), random access memory (RAM), Read only memory (ROM), erasable editable read only memory (EPROM or flash memory), fiber optic devices, and portable compact disk read only memory (CDROM).
  • the computer readable medium may even be a paper or other suitable medium on which the program can be printed, as it may be optically scanned, for example by paper or other medium, followed by editing, interpretation or, if appropriate, other suitable The method is processed to obtain the program electronically and then stored in computer memory.
  • portions of the embodiments of the invention may be implemented in hardware, software, firmware or a combination thereof.
  • multiple steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system.
  • a suitable instruction execution system For example, if implemented in hardware, as in another embodiment, it can be implemented by any one or combination of the following techniques well known in the art: having logic gates for implementing logic functions on data signals. Discrete logic circuits, application specific integrated circuits with suitable combinational logic gates, programmable gate arrays (PGAs), field programmable gate arrays (FPGAs), etc.
  • each functional unit in each embodiment of the present invention may be integrated into one processing module, or each unit may exist physically separately, or two or more units may be integrated into one module.
  • the above integrated modules can be implemented in the form of hardware or in the form of software functional modules.
  • the integrated modules, if implemented in the form of software functional modules and sold or used as separate products, may also be stored in a computer readable storage medium.
  • the above mentioned storage medium may be a read only memory, a magnetic disk or an optical disk or the like.

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Abstract

本发明公开了一种红外光源组件(10)的控制方法，用于电子装置(100)，电子装置(100)包括摄像头(20)，红外光源组件(10)包括至少两个照明范围不同的红外光源(12)。所述控制方法包括：(S32)控制摄像头(20)采集人脸图像；(S34)处理人脸图像以获取人脸位置信息；和(S36)根据人脸位置信息启动人脸落入对应照明范围的红外光源(12)并关闭或保持关闭其他红外光源(12)。本发明还公开了一种电子装置(100)和计算机可读存储介质(800)。

Description

控制方法、电子装置和计算机可读存储介质
优先权信息
本申请请求2017年07月07日向中国国家知识产权局提交的、专利申请号为201710552517.5的专利申请的优先权和权益，并且通过参照将其全文并入此处。
技术领域
本发明涉及电子装置，特别涉及一种控制方法、电子装置和计算机可读存储介质。
背景技术
虹膜识别一般需要红外光源辅助红外摄像头获取清晰的虹膜图像，然而红外光源的照明范围有限，导致虹膜识别的工作范围有限。
发明内容
本发明的实施方式提供了一种控制方法、电子装置和计算机可读存储介质。
本发明的实施方式的一种红外光源组件的控制方法，用于电子装置，所述电子装置包括摄像头，所述红外光源组件包括至少两个照明范围不同的红外光源，所述控制方法包括以下步骤：
控制所述摄像头采集人脸图像；
处理所述人脸图像以获取人脸位置信息；和
根据所述人脸位置信息启动人脸落入对应照明范围的所述红外光源并关闭或保持关闭其他所述红外光源。
本发明的实施方式的一种电子装置，所述电子装置包括：
红外光源组件，所述红外光源组件包括至少两个照明范围不同的红外光源；
摄像头，用于采集人脸图像；和
处理器，所述处理器用于：
根据所述摄像头采集到的人脸图像中的人脸位置信息启动人脸落入对应照明范围的所述红外光源并关闭或保持关闭其他所述红外光源。
本发明的实施方式的一种电子装置，包括：
红外光源组件，所述红外光源组件包括至少两个照明范围不同的红外光源；
摄像头；
一个或多个处理器；
存储器；以及
一个或多个程序，其中所述一个或多个程序被存储在所述存储器中，并且被配置由所述一个或多个处理器执行，所述程序用于执行所述控制方法的指令。
本发明的实施方式的一种计算机可读存储介质，包括与电子装置结合使用的计算机程序，所述计算机程序可被处理器执行以完成所述控制方法。
本发明实施方式的控制方法、电子装置和计算机可读存储介质根据人脸位置信息启动红外光源，从而使得人脸落入启动的红外光源的照明范围，进而有助于电子装置获取清晰的虹膜图像。
本发明的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本发明的实践了解到。
附图说明
本发明的上述和/或附加的方面和优点从结合下面附图对实施方式的描述中将变得明显和容易理解，其中：
图1是本发明实施方式的红外光源组件的控制方法的流程示意图；
图2是本发明实施方式的电子装置的平面示意图；
图3是本发明实施方式的电子装置的另一个平面示意图；
图4是本发明实施方式的红外光源组件的控制方法的另一个流程示意图；
图5是本发明实施方式的红外光源组件的控制方法的再一个流程示意图；
图6是本发明实施方式的电子装置的再一个平面示意图；
图7是本发明实施方式的电子装置的又一个平面示意图；
图8是本发明实施方式的红外光源、红外摄像头、可见光摄像头的状态示意图；
图9是本发明实施方式的红外光源组件的控制方法的又一个流程示意图；
图10是本发明实施方式的电子装置的又一个平面示意图；
图11是本发明实施方式的电子装置和计算接可读存储介质的连接示意图。
主要元件符号说明：
电子装置100、红外光源组件10、红外光源12、摄像头20、红外摄像头22、可见光摄像头24、处理器30、虹膜识别模组40、壳体50、前表面52、存储器60、计算机可读存储介质800。
具体实施方式
下面详细描述本发明的实施方式，所述实施方式的实施方式在附图中示出，其中 自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施方式是示例性的，仅用于解释本发明，而不能理解为对本发明的限制。
请一并参阅图1和图2，本发明实施方式的红外光源组件10的控制方法可以用于电子装置100。电子装置100包括摄像头20，红外光源组件10包括至少两个照明范围不同的红外光源12。控制方法包括以下步骤：
S32：控制摄像头20采集人脸图像；
S34：处理人脸图像以获取人脸位置信息；和
S36：根据人脸位置信息启动人脸落入对应照明范围的红外光源12并关闭或保持关闭其他红外光源12。
请再次参阅图2，本发明实施方式的电子装置100包括红外光源组件10、摄像头20和处理器30。红外光源组件10包括至少两个照明范围不同的红外光源12。处理器30用于：
控制摄像头20采集人脸图像；
处理人脸图像以获取人脸位置信息；和
根据人脸位置信息启动人脸落入对应照明范围的红外光源12并关闭或保持关闭其他红外光源12。
也即是说，本发明实施方式的控制方法可以由本发明实施方式的电子装置100实现，其中，步骤S32、S34和S36可以由处理器30实现。
本发明实施方式的控制方法和电子装置100根据人脸位置信息启动红外光源12，从而使得人脸落入启动的红外光源12的照明范围，进而有助于电子装置100获取清晰的虹膜图像。
在某些实施方式中，红外光源12是指能够产生红外辐射(红外光)的光源，红外辐射是波长大于红色光波长的一定范围的电磁辐射。
在某些实施方式中，至少两个照明范围不同的红外光源12可分别设置在电子装置100的上下左右等不同位置，由于红外光源12的照明范围限制，使得红外光源12能够覆盖的照明范围不同，例如在红外光源12处于电子装置100的左边时，红外光源12对于电子装置100左前方的照明效果较佳，对电子装置100右前方的照明效果不佳甚至不能覆盖。
在某些实施方式中，人脸位置信息是指人脸相对于电子装置100的位置，如在人脸处于电子装置100左前方时，人脸位置信息为左前方，对应照明范围的红外光源12可以是处于电子装置100的左边的红外光源12，因此可以启动处于电子装置100的左 边的红外光源12以使得红外光源12为人脸提供红外光，另外，可以关闭或保持关闭其他红外光源12以避免对电子装置100造成不必要的电量消耗和多个红外光源12一起工作导致的严重发热。需要说明的是，由于除了对应照明范围的红外光源12外的其他红外光源12可能处于启动状态或者关闭状态，因此，关闭或保持关闭其他红外光源12可以是指关闭其他红外光源12中处于启动状态的红外光源12和保持关闭其他红外光源12中处于关闭状态的红外光源12。
在某些实施方式中，人脸位置信息包括人眼位置信息、鼻子位置信息、耳朵位置信息等，即可以通过人眼、鼻子、耳朵等部位的位置信息来确定人脸位置信息。
在某些实施方式中，电子装置100包括手机、笔记本电脑、平板电脑、智能手表或智能眼镜。在本发明实施方式中，电子装置100是手机。
请参阅图3，在某些实施方式中，摄像头20包括红外摄像头22，电子装置100包括虹膜识别模组40，虹膜识别模组40包括红外光源组件10和红外摄像头22。
如此，红外摄像头22与红外光源组件10可以协同工作以实现虹膜图像的成像。
具体地，利用红外光源组件10中的红外光源12对人眼发射红外光以使得虹膜的细节信息(如斑点、细丝、冠状、条纹、隐窝等)变得明显和清晰，再利用红外摄像头22对虹膜进行成像以获得虹膜图像。
请参阅图4，在某些实施方式中，步骤S32包括以下步骤：
S322：关闭或保持关闭所有红外光源12；和
S324：控制红外摄像头22采集人脸图像。
请再次参阅图3，在某些实施方式中，处理器30用于：
关闭或保持关闭所有红外光源12；和
控制红外摄像头22采集人脸图像。
也即是说，步骤S322和S324可以由处理器30实现。
如此，可以利用红外摄像头22采集人脸图像。
可以理解，在本发明实施方式中，人脸图像用于获取人脸位置信息，因而对于人脸图像的质量(如色彩、分辨率等)要求不高，因此可以利用红外摄像头22采集人脸图像，从而利用红外摄像头22采集的人脸图像来获取人脸位置信息。此外，在红外摄像头22采集人脸图像时，可以关闭和保持关闭所有红外光源12以避免对电子装置100造成不必要的电量消耗。
请参阅图5，在某些实施方式中，步骤S32包括以下步骤：
S326：启动至少任一红外光源12并关闭或保持关闭其他红外光源12；和
S328：控制红外摄像头22采集人脸图像。
请再次参阅图3，在某些实施方式中，处理器30用于：
启动至少任一红外光源12并关闭或保持关闭其他红外光源12；和
控制红外摄像头22采集人脸图像。
也即是说，步骤S326和S328可以由处理器30实现。
如此，可以启动红外光源12以辅助红外摄像头22采集人脸图像。
在某些实施方式中，例如由于红外摄像头22的配置比较低使得红外摄像头22的红外光采集能力不足，从而导致红外摄像头22无法单独获取人脸图像，因此，可以启动至少任一红外光源12以辅助红外摄像头22获取人脸图像，关闭或关闭其他红外光源12以减少对电子装置100的电量消耗。需要说明的是，启动至少任一红外光源12是指启动任意一个红外光源12，数量至少是一个。具体地，可以先启动任意一个红外光源12，并控制红外摄像头22采集人脸图像，判断红外摄像头22是否采集人脸图像成功，若采集人脸图像成功，则可以执行后续控制方法，例如步骤S340：处理人脸图像以获取人脸位置信息；若采集人脸图像不成功，则可以再多启动一个红外光源12或关闭现在启动的红外光源12再重新启动另一个红外光源12，然后控制红外摄像头22采集人脸图像直到采集人脸图像成功。
请参阅图6，在某些实施方式中，摄像头20包括可见光摄像头24，电子装置100包括虹膜识别模组40，虹膜识别模组40包括红外光源组件10和红外摄像头22。
如此，可以利用可见光摄像头24采集人脸图像。
可以理解，电子装置100为了实现功能的多样性，电子装置100的摄像头20可以包括可见光摄像头24以利用可见光摄像头24获得彩色图像。由于可见光摄像头24的相关技术(如控制方法或图像数据处理方法等)比较成熟，利用可见光摄像头24可以快速地获得人脸图像。
请参阅图7，在某些实施方式中，电子装置100包括壳体50，壳体50包括前表面52，虹膜识别模组40和可见光摄像头24设置在壳体50内并自前表面52露出。
如此，可以利用电子装置100的壳体50保护虹膜识别模组40和可见光摄像头24和便于虹膜识别模组40和可见光摄像头24进行工作。
具体地，将虹膜识别模组40和可见光摄像头24设置在壳体50内，可以利用壳体50防尘防水的作用来保护虹膜识别模组40和可见光摄像头24，从而避免虹膜识别模组40和可见光摄像头24受到外界因素的损坏和影响其进行正常工作。此外，将虹膜识别模组40和可见光摄像头24自前表面52露出可以方便虹膜识别模组40和可见光摄像头24进行工作，避免影响虹膜识别模组40的红外摄像头22和可见光摄像头24采集光线，从而确保虹膜识别模组40和可见光摄像头24能够高效工作。
请参阅图8，在某些实施方式中，红外光源12的照明范围、红外摄像头22的视场和可见光摄像头24的视场至少部分重叠。
如此，红外光源12、红外摄像头22和可见光摄像头24可以协同工作。
具体地，红外光源12和红外摄像头22需要协同合作以实现采集虹膜图像，可以将红外光源12和红外摄像头22设置在电子装置100上的同一侧，并且将红外光源12和红外摄像头22相邻设置，从而使得红外光源12发射的红外光经过物体表面后能被红外摄像头22采集到。此外，红外光源12的照明范围、红外摄像头22的视场和可见光摄像头24的视场至少部分重叠可以方便电子装置100采集虹膜图像，例如，可以利用可见光摄像头24采集人脸图像，从而根据人脸图像的人脸位置信息启动人脸落入对应照明范围的红外光源12和红外摄像头22，从而获得虹膜图像。
请参阅图9，在某些实施方式中，步骤S36包括以下步骤：
S362：判断是否存在人脸落入对应照明范围的红外光源12；
S364：在存在人脸落入对应照明范围的红外光源12时启动人脸落入对应照明范围的红外光源12；和
S366：在不存在人脸落入对应照明范围的红外光源12时发出提醒信息。
请再次参阅图2，在某些实施方式中，处理器30用于：
判断是否存在人脸落入对应照明范围的红外光源12；
在存在人脸落入对应照明范围的红外光源12时启动人脸落入对应照明范围的红外光源12；和
在不存在人脸落入对应照明范围的红外光源12时发出提醒信息。
也即是说，步骤S362、S364和S366可以由处理器30实现。
如此，可以在不存在人脸落入对应照明范围的红外光源12时提示用户。
具体地，在获得人脸图像中的人脸位置信息后，可以先判断是否存在人脸落入对应照明范围的红外光源12，在存在人脸落入对应照明范围的红外光源12时启动人脸落入对应照明范围的红外光源12，从而利用人脸落入对应照明范围的红外光源12为人脸(尤其是人眼)提供红外光，从而方便红外摄像头22采集虹膜图像；在不存在人脸落入对应照明范围的红外光源12时，例如红外光源12都处于电子装置100的上方位置，而人脸位置信息为下方，或者人脸相对于电子装置100的距离太远，可以控制电子装置100发出提醒信息以提示用户此时采集虹膜图像的成功率不高或者无法采集虹膜图像，从而用户可以调整人脸位置以方便电子装置100采集虹膜图像。
请参阅图10，本发明实施方式的电子装置100包括红外光源组件10、摄像头20、一个或多个处理器30、存储器60以及一个或多个程序。其中一个或多个程序被存储在 存储器60中，并且被配置由一个或多个处理器30执行，程序用于执行本发明上述任一实施方式的控制方法的指令。
举其中一个例子来说，程序可以用于执行以下控制方法的指令：
S320：控制摄像头20采集人脸图像；
S340：处理人脸图像以获取人脸位置信息；和
S360：根据人脸位置信息启动人脸落入对应照明范围的红外光源12并关闭或保持关闭其他红外光源12。
请参阅图11，本发明实施方式的计算机可读存储介质800，包括与电子装置100结合使用的计算机程序，计算机程序可被处理器30执行以完成本发明上述任一实施方式的控制方法。
举其中一个例子来说，计算机程序可被处理器30执行以完成以下控制方法：
S320：控制摄像头20采集人脸图像；
S340：处理人脸图像以获取人脸位置信息；和
S360：根据人脸位置信息启动人脸落入对应照明范围的红外光源12并关闭或保持关闭其他红外光源12。
需要指出的是，计算机可读存储介质800可以是内置在电子装置100中的存储介质，也可以是能够插拔地插接在电子装置100的存储介质。
在本发明的实施方式的描述中，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个所述特征。在本发明的实施方式的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本发明的实施方式的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接或可以相互通讯；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明的实施方式中的具体含义。
在本说明书的描述中，参考术语“一个实施方式”、“一些实施方式”、“示意性实施方式”、“示例”、“具体示例”或“一些示例”等的描述意指结合所述实施方式或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施方式或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施方式或 示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施方式或示例中以合适的方式结合。
流程图中或在此以其他方式描述的任何过程或方法描述可以被理解为，表示包括一个或更多个用于实现特定逻辑功能或过程的步骤的可执行指令的代码的模块、片段或部分，并且本发明的优选实施方式的范围包括另外的实现，其中可以不按所示出或讨论的顺序，包括根据所涉及的功能按基本同时的方式或按相反的顺序，来执行功能，这应被本发明的实施例所属技术领域的技术人员所理解。
在流程图中表示或在此以其他方式描述的逻辑和/或步骤，例如，可以被认为是用于实现逻辑功能的可执行指令的定序列表，可以具体实现在任何计算机可读介质中，以供指令执行系统、装置或设备(如基于计算机的系统、包括处理模块的系统或其他可以从指令执行系统、装置或设备取指令并执行指令的系统)使用，或结合这些指令执行系统、装置或设备而使用。就本说明书而言，"计算机可读介质"可以是任何可以包含、存储、通信、传播或传输程序以供指令执行系统、装置或设备或结合这些指令执行系统、装置或设备而使用的装置。计算机可读介质的更具体的示例(非穷尽性列表)包括以下：具有一个或多个布线的电连接部(电子装置)，便携式计算机盘盒(磁装置)，随机存取存储器(RAM)，只读存储器(ROM)，可擦除可编辑只读存储器(EPROM或闪速存储器)，光纤装置，以及便携式光盘只读存储器(CDROM)。另外，计算机可读介质甚至可以是可在其上打印所述程序的纸或其他合适的介质，因为可以例如通过对纸或其他介质进行光学扫描，接着进行编辑、解译或必要时以其他合适方式进行处理来以电子方式获得所述程序，然后将其存储在计算机存储器中。
应当理解，本发明的实施方式的各部分可以用硬件、软件、固件或它们的组合来实现。在上述实施方式中，多个步骤或方法可以用存储在存储器中且由合适的指令执行系统执行的软件或固件来实现。例如，如果用硬件来实现，和在另一实施方式中一样，可用本领域公知的下列技术中的任一项或他们的组合来实现：具有用于对数据信号实现逻辑功能的逻辑门电路的离散逻辑电路，具有合适的组合逻辑门电路的专用集成电路，可编程门阵列(PGA)，现场可编程门阵列(FPGA)等。
本技术领域的普通技术人员可以理解实现上述实施例方法携带的全部或部分步骤是可以通过程序来指令相关的硬件完成，所述的程序可以存储于一种计算机可读存储介质中，该程序在执行时，包括方法实施例的步骤之一或其组合。
此外，在本发明的各个实施例中的各功能单元可以集成在一个处理模块中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个模块中。上述集成的模块既可以采用硬件的形式实现，也可以采用软件功能模块的形式实现。所述集 成的模块如果以软件功能模块的形式实现并作为独立的产品销售或使用时，也可以存储在一个计算机可读取存储介质中。
上述提到的存储介质可以是只读存储器，磁盘或光盘等。
尽管上面已经示出和描述了本发明的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本发明的限制，本领域的普通技术人员在本发明的范围内可以对上述实施方式进行变化、修改、替换和变型。

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  1. 一种红外光源组件的控制方法，用于电子装置，其特征在于，所述电子装置包括摄像头，所述红外光源组件包括至少两个照明范围不同的红外光源，所述控制方法包括以下步骤：
    控制所述摄像头采集人脸图像；
    处理所述人脸图像以获取人脸位置信息；和
    根据所述人脸位置信息启动人脸落入对应照明范围的所述红外光源并关闭或保持关闭其他所述红外光源。
  2. 如权利要求1所述的控制方法，其特征在于，所述电子装置包括手机、笔记本电脑、平板电脑、智能手表或智能眼镜。
  3. 如权利要求1所述的控制方法，其特征在于，所述摄像头包括红外摄像头，所述电子装置包括虹膜识别模组，所述虹膜识别模组包括所述红外光源组件和所述红外摄像头。
  4. 如权利要求3所述的控制方法，其特征在于，所述控制所述摄像头采集人脸图像的步骤包括以下步骤：
    关闭或保持关闭所有所述红外光源；和
    控制所述红外摄像头采集所述人脸图像。
  5. 如权利要求3所述的控制方法，其特征在于，所述控制所述摄像头采集人脸图像的步骤包括以下步骤：
    启动至少任一所述红外光源并关闭或保持关闭其他所述红外光源；和
    控制所述红外摄像头采集所述人脸图像。
  6. 如权利要求1所述的控制方法，其特征在于，所述摄像头包括可见光摄像头，所述电子装置包括虹膜识别模组，所述虹膜识别模组包括所述红外光源组件和红外摄像头。
  7. 如权利要求6所述的控制方法，其特征在于，所述电子装置包括壳体，所述壳体包括前表面，所述虹膜识别模组和所述可见光摄像头设置在所述壳体内并自所述前表面露出。
  8. 如权利要求6所述的控制方法，其特征在于，所述红外光源的照明范围、所述红外 摄像头的视场和所述可见光摄像头的视场至少部分重叠。
  9. 如权利要求1所述的控制方法，其特征在于，所述根据所述人脸位置信息启动人脸落入对应照明范围的所述红外光源并关闭或保持关闭其他所述红外光源的步骤包括以下步骤：
    判断是否存在所述人脸落入对应照明范围的所述红外光源；
    在存在所述人脸落入对应照明范围的所述红外光源时启动所述人脸落入对应照明范围的所述红外光源；和
    在不存在所述人脸落入对应照明范围的所述红外光源时发出提醒信息。
  10. 一种电子装置，其特征在于，所述电子装置包括：
    红外光源组件，所述红外光源组件包括至少两个照明范围不同的红外光源；
    摄像头，用于采集人脸图像；和
    处理器，所述处理器用于：
    根据所述摄像头采集到的人脸图像中的人脸位置信息启动人脸落入对应照明范围的所述红外光源并关闭或保持关闭其他所述红外光源。
  11. 如权利要求10所述的电子装置，其特征在于，所述电子装置包括手机、笔记本电脑、平板电脑、智能手表或智能眼镜。
  12. 如权利要求10所述的电子装置，其特征在于，所述摄像头包括红外摄像头，所述电子装置包括虹膜识别模组，所述虹膜识别模组包括所述红外光源组件和所述红外摄像头。
  13. 如权利要求12所述的电子装置，其特征在于，所述处理器用于：
    关闭或保持关闭所有所述红外光源；和
    控制所述红外摄像头采集所述人脸图像。
  14. 如权利要求12所述的电子装置，其特征在于，所述处理器用于：
    启动至少任一所述红外光源并关闭或保持关闭其他所述红外光源；和
    控制所述红外摄像头采集所述人脸图像。
  15. 如权利要求10所述的电子装置，其特征在于，所述摄像头包括可见光摄像头，所 述电子装置包括虹膜识别模组，所述虹膜识别模组包括所述红外光源组件和红外摄像头。
  16. 如权利要求15所述的电子装置，其特征在于，所述电子装置包括壳体，所述壳体包括前表面，所述虹膜识别模组和所述可见光摄像头设置在所述壳体内并自所述前表面露出。
  17. 如权利要求15所述的电子装置，其特征在于，所述红外光源的照明范围、所述红外摄像头的视场和所述可见光摄像头的视场至少部分重叠。
  18. 如权利要求10所述的电子装置，其特征在于，所述处理器用于：
    判断是否存在所述人脸落入对应照明范围的所述红外光源；
    在存在所述人脸落入对应照明范围的所述红外光源时启动所述人脸落入对应照明范围的所述红外光源；和
    在不存在所述人脸落入对应照明范围的所述红外光源时发出提醒信息。
  19. 一种电子装置，其特征在于，包括：
    红外光源组件，所述红外光源组件包括至少两个照明范围不同的红外光源；
    摄像头；
    一个或多个处理器；
    存储器；以及
    一个或多个程序，其中所述一个或多个程序被存储在所述存储器中，并且被配置由所述一个或多个处理器执行，所述程序用于执行权利要求1-9任意一项所述的控制方法的指令。
  20. 一种计算机可读存储介质，其特征在于，包括与电子装置结合使用的计算机程序，所述计算机程序可被处理器执行以完成权利要求1-9任意一项所述的控制方法。
PCT/CN2018/090625 2017-07-07 2018-06-11 控制方法、电子装置和计算机可读存储介质 WO2019007191A1 (zh)

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