WO2019047862A1

WO2019047862A1 - Fingerprint acquisition method and terminal device and storage medium

Info

Publication number: WO2019047862A1
Application number: PCT/CN2018/104212
Authority: WO
Inventors: 杨利平
Original assignee: 惠州Tcl移动通信有限公司
Priority date: 2017-09-05
Filing date: 2018-09-05
Publication date: 2019-03-14
Also published as: CN107506741A

Abstract

Provided are a fingerprint acquisition method and terminal device, comprising: in response to a touch operation by a user on a fingerprint acquisition area of a camera module, activating a camera configured by the camera module (S100); photographing the fingerprint acquisition area by means of said camera (S200); processing a photographed and obtained image to obtain a fingerprint image of said user (S300). The terminal device can acquire the fingerprint image of the user directly by means of the camera, reducing the cost of usage of the terminal device.

Description

Fingerprint collection method, terminal device and storage medium

This application claims the priority of the Chinese Patent Application, filed on Sep. 5, 2017, filed Jan. in.

Technical field

The present invention relates to the field of terminal equipment technologies, and in particular, to a fingerprint collection method and a terminal device.

Background technique

With the rapid development of terminal devices, fingerprint devices are generally available for fingerprint recognition. The fingerprint identification is performed by collecting a user fingerprint, and then comparing the collected user fingerprint with a pre-stored fingerprint in the fingerprint database for identification.

The fingerprint collection methods of the existing terminal device configurations mainly include a capacitive type, an infrared type, and an acoustic wave type. However, no matter which way the terminal device collects the user fingerprint, it needs to add an additional fingerprint collection device to the terminal device to implement the fingerprint recognition function through the fingerprint collection device. In this way, on the one hand, the terminal device is required to reserve a fingerprint collection area for the fingerprint collection device, and on the other hand, the production cost of the terminal device is also increased.

Therefore, the prior art has yet to be improved and improved.

technical problem

The embodiment of the present invention provides a fingerprint collection method, a terminal device, and a storage medium, which can solve the problem that the existing terminal device needs to additionally increase the fingerprint collection device to implement fingerprint collection, and the production cost is high.

Technical solution

In a first aspect, the embodiment of the present application provides a fingerprint collection method, where the fingerprint collection method includes:

Responding to the user's touch operation in the fingerprint collection area of the camera module, starting the camera configured by the camera module;

Shooting the fingerprint collection area by the camera;

The captured image is processed to obtain a fingerprint image of the user.

The fingerprint collection method, wherein the step of initiating a camera configured by the camera module in response to a user's touch operation in a fingerprint collection area of the camera module includes:

The sensing module of the camera module is configured to sense a touch operation of the user, wherein the area formed by the sensing device is a fingerprint collection area;

When the sensing device senses a touch operation, the camera configured by the camera module is activated.

The fingerprint collection method, wherein the step of starting the camera configured by the camera module when the sensing device senses the touch operation comprises:

When the sensing device senses a touch operation, the sensing device outputs a feedback signal that controls activation of the camera;

The camera is controlled to be activated by the feedback signal.

The fingerprint collection method, wherein the step of initiating a touch operation of the camera module in the fingerprint collection area of the camera module to activate the camera configured by the camera module further includes:

A fill light configured in the camera module is activated, and the light source is provided to the camera through the fill light.

The fingerprint collection method, wherein the sensing device is a metal ring, and an area in the metal ring is a fingerprint collection area.

The fingerprint collection method, wherein the step of capturing the fingerprint collection area by the camera includes:

Taking a fingerprint collection area by the camera to obtain a first image;

When the touch operation ends, the fingerprint collection area is photographed by the camera to obtain a second image.

The fingerprint collection method, wherein the step of processing the captured image to obtain the fingerprint image of the user includes:

Preprocessing the first image and the second image such that the contrasts of the first image and the second image are the same;

The first image and the second image are superimposed in a preset manner to obtain a fingerprint image of the user.

In a second aspect, an embodiment of the present application provides a storage medium storing a plurality of instructions, the instructions being adapted to be loaded by a processor and performing the following steps:

Shooting the fingerprint collection area by the camera;

The captured image is processed to obtain a fingerprint image of the user.

In the storage medium, the step of initiating a camera configured by the camera module in response to a touch operation of the user in the fingerprint collection area of the camera module includes:

In the storage medium, the step of starting the camera configured by the camera module when the sensing device senses a touch operation includes:

The camera is controlled to be activated by the feedback signal.

In the storage medium, after the step of initiating a camera configured by the camera module in response to a user's touch operation in the fingerprint collection area of the camera module, the method further includes:

In the storage medium, the sensing device is a metal ring, and the area enclosed by the metal ring is a fingerprint collection area.

In the storage medium, the step of capturing the fingerprint collection area by the camera includes:

Taking a fingerprint collection area by the camera to obtain a first image;

In the storage medium, the step of processing the captured image to obtain the fingerprint image of the user includes:

In a third aspect, the embodiment of the present application provides a terminal device, where the terminal device includes:

a camera module adapted to capture an image of a fingerprint area;

a processor adapted to implement each instruction;

A storage device adapted to store a plurality of instructions adapted to be loaded by the processor and to perform the following steps:

When receiving a touch operation of the user in the fingerprint collection area of the camera module, determining whether the touch operation meets a preset condition;

When the touch operation satisfies a preset condition, in response to a user's touch operation in the fingerprint collection area of the camera module, the camera configured by the camera module is activated;

Shooting the fingerprint collection area by the camera;

The captured image is processed to obtain a fingerprint image of the user.

In the terminal device, the step of initiating a camera configured by the camera module in response to a touch operation of the user in the fingerprint collection area of the camera module includes:

In the terminal device, the step of determining whether the touch operation meets a preset condition when receiving a touch operation of the user in the fingerprint collection area of the camera module includes:

When receiving a touch operation of the user in the fingerprint collection area of the camera module, collecting, by the camera module, a first ambient light brightness of an environment in which the camera is located;

Comparing the first ambient brightness with a preset brightness;

The step of responding to the touch operation of the user in the fingerprint collection area of the camera module when the touch operation meets the preset condition includes:

When the first ambient brightness is less than the preset brightness, responding to the user's touch operation in the fingerprint collection area of the camera module.

Obtaining a voltage value generated by the metal ring when receiving a touch operation of the user in the fingerprint collection area of the camera module;

Comparing the voltage value with a preset voltage threshold;

When the voltage value is greater than the preset voltage threshold, responding to the user's touch operation in the fingerprint collection area of the camera module.

In the terminal device, the step of capturing the fingerprint collection area by the camera includes:

Taking a fingerprint collection area by the camera to obtain a first image;

When the touch operation ends, the fingerprint collection area is photographed by the camera to obtain a second image;

The step of processing the captured image to obtain the fingerprint image of the user includes:

In the terminal device, the camera module includes a metal ring, a camera, and a fill light; the metal ring and the camera are both located on the terminal device, and the metal ring is located outside the camera So that the camera is located within a fingerprint touch area formed by the metal ring; the fill light is located within the camera and provides a light source for the camera.

The terminal device, wherein the metal ring and the camera are both located on the terminal device, and the metal ring is located outside the camera, so that the camera is located in a fingerprint touch area formed by the metal ring The fill light is located within the camera and provides a light source for the camera.

Beneficial effect

The present application provides a fingerprint collection method and a terminal device. The method includes: in response to a user's touch operation in a fingerprint collection area of a camera module, a camera configured by a camera module is activated; and the fingerprint collection area is photographed by the camera. ; processing the captured image to obtain a fingerprint image of the user. In the application, the fingerprint collection area is photographed by the camera to obtain the fingerprint image of the user, so that the fingerprint image of the user can be directly collected by the terminal device, thereby reducing the use cost of the terminal device.

DRAWINGS

FIG. 1 is a flowchart of an embodiment of a fingerprint collection method provided by the present application.

FIG. 2 is a schematic structural diagram of an embodiment of a terminal device provided by the present application.

FIG. 3 is a schematic structural diagram of an embodiment of a terminal device provided by the present application.

Embodiments of the invention

The present application provides a fingerprint collection method and a terminal device. In order to make the objects, technical solutions and effects of the present application more clear and clear, the present application will be further described in detail below with reference to the accompanying drawings. It is understood that the specific embodiments described herein are merely illustrative of the application and are not intended to be limiting.

The singular forms "a", "an", "the" It is to be understood that the phrase "comprise" or "an" Integers, steps, operations, components, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element. Further, "connected" or "coupled" as used herein may include either a wireless connection or a wireless coupling. The phrase "and/or" used herein includes all or any one and all combinations of one or more of the associated listed.

Those skilled in the art will appreciate that all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. It should also be understood that terms such as those defined in a general dictionary should be understood to have meaning consistent with the meaning in the context of the prior art, and will not be idealized or excessive unless specifically defined as here. The formal meaning is explained.

The contents of the invention will be further described by the following description of embodiments with reference to the accompanying drawings.

Please refer to FIG. 1. FIG. 1 is a flowchart of an embodiment of a fingerprint collection method provided by the present application. The method includes:

S100: In response to a user touching operation in a fingerprint collection area of the camera module, starting a camera configured by the camera module.

In some embodiments, the touch operation is a touch operation of the fingerprint collection area by a user, and the touch instruction generated by the touch operation may control a camera startup configured by the camera module. The camera module is pre-configured with a sensing device, the sensing device is located around the camera, and forms a fingerprint collection area, and the camera is located in the fingerprint collection area, so that when the user touches the fingerprint collection area, the user's finger Cover the camera.

Exemplarily, the step of initiating a touch operation of the camera module in the fingerprint collection area of the camera module, the step of starting the camera configured by the camera module, specifically includes:

S101, a sensor device pre-configured by the camera module to sense a touch operation of the user, wherein the area formed by the sensing device is a fingerprint collection area;

S102. When the sensing device senses a touch operation, activate a camera configured by the camera module.

In some embodiments, the sensing device is a metal ring, and the metal ring is a charged metal ring such that the metal ring can sense a user's touch operation and cause a charge in the charged metal ring by the touch operation. Movement, and generating a feedback signal to control the camera startup of the camera module configuration according to the feedback signal. Correspondingly, when the sensing device senses a touch operation, the camera that activates the camera module configuration specifically includes:

S1021: When the sensing device senses a touch operation, the sensing device outputs a feedback signal that controls activation of the camera;

S1022: Control the camera to be started by the feedback signal.

Further, when the user's finger touches the fingerprint recognition area, the camera is covered by the user's finger, so that the camera is in a condition that the ambient light is dark, so that it is necessary to provide a light source for the camera. Correspondingly, a fill light is disposed in the camera module, and the fill light can be disposed in the camera and provide a light source for the camera.

Exemplarily, after the user touches the camera in the fingerprint collection area of the camera module and activates the camera configured by the camera module, the method further includes:

In some embodiments, the fill light may be turned on before the camera is activated, or may be directly turned on after receiving the touch operation. That is to say, the fill light can be turned on before the camera, or can be turned on later. Of course, the fill light can also be turned on simultaneously with the camera.

In an embodiment of the present application, when the user touches the fingerprint collection area, the fingerprint collection area may not be completely covered, resulting in an incomplete fingerprint image, so that a determination process may be included before responding to the touch operation. And determining whether the touch operation meets a preset condition. The preset condition may be whether the first ambient light of the environment in which the camera is located is less than a preset brightness value, or whether the voltage generated by the metal ring is greater than a preset voltage value.

When the pre-condition is that the first ambient light of the environment in which the camera is located is smaller than the preset brightness value, the determining process may specifically be:

Comparing the first ambient brightness with a preset brightness;

When the pre-condition is that the voltage generated by the metal ring is greater than a preset voltage value, the determining process may specifically be:

Comparing the voltage value with a preset voltage threshold;

S200. The fingerprint collection area is photographed by the camera.

Specifically, the fingerprint collection area is photographed by the camera to obtain an image of a user's finger covering the fingerprint collection area. In practical applications, the user's finger may not accurately collect the fingerprint information of the user due to being covered by oil or the like, so that when the fingerprint collection area is touched, multiple user finger images may be captured.

Illustratively, the photographing the fingerprint collection area by the camera may specifically include:

S201. The fingerprint collection area is photographed by the camera to obtain a first image.

S202. When the touch operation ends, the fingerprint collection area is photographed by the camera to obtain a second image.

Specifically, the first image is an image captured in response to a user's touch operation in a fingerprint collection area of the camera module, that is, the first image is an image captured when a touch operation is sensed. The second image is an image that is captured when the end of the touch operation is sensed. Correspondingly, a step of detecting the end of the touch operation may be further included after the first image is taken. The step of detecting the end of the touch operation may be specifically: after starting the camera, detecting the second ambient brightness of the environment in which the camera is located, and comparing the second ambient brightness with the preset brightness, when the second ambient brightness is greater than the preset brightness , shooting through the camera to get a second image. In the actual application, in order to reserve the time for capturing the image for the camera, after the preset time of the camera is started, the second ambient brightness of the environment in which the camera is located is detected, wherein the preset time may be 0.5 seconds, 1 second, etc. .

S300. Process the captured image to obtain a fingerprint image of the user.

Specifically, the captured image includes a first image and a second image, and the captured image is processed to obtain a fingerprint image of the user.

Specifically, the processing the captured image to obtain a fingerprint image of the user includes:

S301. Perform pre-processing on the first image and the second image, so that contrasts of the first image and the second image are the same;

S302. Superimpose the first image and the second image in a preset manner to obtain a fingerprint image of the user.

Specifically, in step S301, the environment in which the first image and the second image are collected is different, wherein the first image is an image captured by using a fill light as a light source in the case of a finger touch, and second An image is an image acquired with ambient light as a light source without a finger touch. Therefore, the brightness of the image environment of the first image and the second image are different, and the contrast and saturation of the corresponding two images are different. In order to obtain an accurate fingerprint image, the first image and the second image may be performed. Contrast adjustment.

The contrast refers to the measurement of different brightness levels between the brightest white and the darkest black in the light and dark areas of an image. Adjusting the contrast to be the same, adjusting the contrast of the second image/first image based on the contrast of the first image/second image, or adjusting the first image and the second respectively based on the preset contrast ratio Images, etc., are not explained here.

Further, in step S302, the preset mode refers to subtracting the first image and the second image to obtain a fingerprint image. This is because when there is debris (oil stains, water stains, etc.) on the user's finger, when the finger touches the fingerprint collection area, some of the fingerprint remains in the fingerprint collection area, so that the second image can capture the substance remaining in the fingerprint collection area. The image can be subtracted from the first image and the second image to obtain a more accurate fingerprint image.

The application provides a storage medium storing a plurality of instructions adapted to be loaded by a processor and to perform a fingerprint acquisition method as described above.

The present application further provides a terminal device. As shown in FIG. 2, the terminal device includes:

The camera module 100 is adapted to capture an image of a fingerprint area;

The processor 200 is adapted to implement each instruction;

The storage device 300 is adapted to store a plurality of instructions adapted to be loaded by the processor and to perform the fingerprint acquisition method as described above.

Further, the metal ring and the camera are both located on the terminal device, and the metal ring is located outside the camera such that the camera is located in a fingerprint touch area formed by the metal ring; A light is located within the camera and provides a light source for the camera.

In addition, the above-described storage medium and the specific processes loaded and executed by the plurality of instruction processors in the terminal device have been described in detail in the above methods, and will not be further described herein.

A person of ordinary skill in the art may understand that all or part of the steps of the foregoing embodiments may be performed by a program to instruct related hardware. The program may be stored in a computer readable storage device, and the storage device may include: Read only memory (ROM), random access memory (RAM), magnetic or optical disk, and the like.

FIG. 3 is a block diagram showing a specific structure of a terminal device according to an embodiment of the present disclosure. The terminal device may be used to implement the fingerprint collection method provided in the foregoing embodiment. The terminal device 1200 can be a smartphone or a tablet.

As shown in FIG. 3, the terminal device 1200 may include an RF (Radio Frequency) circuit 110, a memory 120 including one or more (only one shown) computer-readable storage medium, an input unit 130, and a display unit. 140, sensor 150, audio circuit 160, transmission module 170, including processor 180 having one or more processing cores (only one shown) and power supply 190 and the like. It will be understood by those skilled in the art that the structure of the terminal device 1200 shown in FIG. 3 does not constitute a limitation on the terminal device 1200, and may include more or less components than those illustrated, or combine some components or different components. Arrangement. among them:

The RF circuit 110 is configured to receive and transmit electromagnetic waves, and realize mutual conversion between electromagnetic waves and electrical signals, thereby communicating with a communication network or other devices. The RF circuit 110 may include various existing circuit elements for performing these functions, such as an antenna, a radio frequency transceiver, a digital signal processor, an encryption/decryption chip, a Subscriber Identity Module (SIM) card, a memory, and the like. The RF circuit 110 can communicate with various networks such as the Internet, an intranet, a wireless network, or communicate with other devices over a wireless network. The wireless network described above may include a cellular telephone network, a wireless local area network, or a metropolitan area network. The above wireless networks may use various communication standards, protocols and technologies, including but not limited to global mobile communication systems (Global System for Mobile Communication, GSM), Enhanced Mobile Communication Technology (Enhanced Data GSM Environment, EDGE), Wideband Code Division Multiple Access (Wideband Code) Division Multiple Access, WCDMA), Code Division Multiple Access (Code Division) Access, CDMA), Time Division Multiple Access (TDMA), Wireless Fidelity (Wireless Fidelity, Wi-Fi) (such as the Institute of Electrical and Electronics Engineers Standard IEEE 802.11a, IEEE 802.11b, IEEE 802.11g and / or IEEE 802.11n), VoIP (Voice) Over Internet Protocol, VoIP), Worldwide Interoperability for Microwave Access (Worldwide Interoperability for Microwave Access, Wi-Max, other protocols for mail, instant messaging, and short messages, as well as any other suitable communication protocol, may even include protocols that are not currently being developed.

The memory 120 can be used to store software programs and modules, such as program instructions/modules corresponding to the fingerprint collection method in the above embodiment, and the processor 180 executes various functional applications and data processing by running software programs and modules stored in the memory 120. , that is, the function of fingerprint acquisition. Memory 120 can include high speed random access memory, and can also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory. In some examples, memory 120 can further include memory remotely located relative to processor 180, which can be connected to terminal device 1200 via a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.

The input unit 130 can be configured to receive input numeric or character information and to generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function controls. In particular, input unit 130 can include touch-sensitive surface 131 as well as other input devices 132. Touch-sensitive surface 131, also referred to as a touch display or trackpad, can collect touch operations on or near the user (such as a user using a finger, stylus, etc., on any suitable object or accessory on touch-sensitive surface 131 or The operation near the touch-sensitive surface 131) and driving the corresponding connecting device according to a preset program. Alternatively, the touch-sensitive surface 131 can include two portions of a touch detection device and a touch controller. Wherein, the touch detection device detects the touch orientation of the user, and detects a signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts the touch information into contact coordinates, and sends the touch information. The processor 180 is provided and can receive commands from the processor 180 and execute them. In addition, the touch-sensitive surface 131 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves. In addition to the touch-sensitive surface 131, the input unit 130 can also include other input devices 132. Specifically, other input devices 132 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, joysticks, and the like.

The display unit 140 can be used to display information input by the user or information provided to the user and various graphical user interfaces of the terminal device 1200, which can be composed of graphics, text, icons, video, and any combination thereof. The display unit 140 may include a display panel 141, and optionally, an LCD (Liquid may be used) The display panel 141 is configured in the form of a Crystal Display (LCD) or an OLED (Organic Light-Emitting Diode). Further, the touch-sensitive surface 131 may cover the display panel 141, and when the touch-sensitive surface 131 detects a touch operation thereon or nearby, it is transmitted to the processor 180 to determine the type of the touch event, and then the processor 180 according to the touch event The type provides a corresponding visual output on display panel 141. Although in FIG. 3, touch-sensitive surface 131 and display panel 141 are implemented as two separate components to implement input and output functions, in some embodiments, touch-sensitive surface 131 can be integrated with display panel 141 for input. And output function.

Terminal device 1200 can also include at least one type of sensor 150, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display panel 141 according to the brightness of the ambient light, and the proximity sensor may close the display panel 141 when the terminal device 1200 moves to the ear. And / or backlight. As a kind of motion sensor, the gravity acceleration sensor can detect the magnitude of acceleration in all directions (usually three axes). When it is stationary, it can detect the magnitude and direction of gravity. It can be used to identify the gesture of the mobile phone (such as horizontal and vertical screen switching, related Game, magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tapping), etc.; as for the terminal device 1200 can also be configured with gyroscopes, barometers, hygrometers, thermometers, infrared sensors and other sensors, here No longer.

The audio circuit 160, the speaker 161, and the microphone 162 can provide an audio interface between the user and the terminal device 1200. The audio circuit 160 can transmit the converted electrical data of the received audio data to the speaker 161 for conversion to the sound signal output by the speaker 161; on the other hand, the microphone 162 converts the collected sound signal into an electrical signal by the audio circuit 160. After receiving, it is converted into audio data, and then processed by the audio data output processor 180, transmitted to the terminal, for example, via the RF circuit 110, or outputted to the memory 120 for further processing. The audio circuit 160 may also include an earbud jack to provide communication of the peripheral earphones with the terminal device 1200.

The terminal device 1200 can help the user to send and receive emails, browse web pages, access streaming media, etc. through the transmission module 170 (for example, a Wi-Fi module), which provides wireless broadband Internet access to the user. Although FIG. 3 shows the transmission module 170, it can be understood that it does not belong to the essential configuration of the terminal device 1200, and may be omitted as needed within the scope of not changing the essence of the invention.

The processor 180 is a control center of the terminal device 1200 that connects various portions of the entire handset with various interfaces and lines, by running or executing software programs and/or modules stored in the memory 120, and recalling data stored in the memory 120. The various functions and processing data of the terminal device 1200 are executed to perform overall monitoring of the mobile phone. Optionally, the processor 180 may include one or more processing cores; in some embodiments, the processor 180 may integrate an application processor and a modem processor, wherein the application processor mainly processes an operating system, a user interface, and For applications, etc., the modem processor primarily handles wireless communications. It can be understood that the above modem processor may not be integrated into the processor 180.

The terminal device 1200 also includes a power source 190 (such as a battery) that powers the various components. In some embodiments, the power source can be logically coupled to the processor 180 through a power management system to manage charging, discharging, and power consumption through the power management system. Management and other functions. Power supply 190 may also include any one or more of a DC or AC power source, a recharging system, a power failure detection circuit, a power converter or inverter, a power status indicator, and the like.

Although not shown, the terminal device 1200 may further include a camera (such as a front camera, a rear camera), a Bluetooth module, and the like, and details are not described herein. Specifically, in this embodiment, the display unit of the terminal device is a touch screen display, the terminal device further includes a memory, and one or more programs, wherein one or more programs are stored in the memory and configured to be one or one The above processor executes one or more programs that include instructions for performing the following operations:

Shooting the fingerprint collection area by the camera;

The captured image is processed to obtain a fingerprint image of the user.

In some embodiments, the step of initiating a camera configured by the camera module in response to a touch operation of the user in the fingerprint collection area of the camera module includes:

In some embodiments, the step of determining whether the touch operation meets a preset condition when receiving a touch operation of the user in the fingerprint collection area of the camera module includes:

Comparing the first ambient brightness with a preset brightness;

Comparing the voltage value with a preset voltage threshold;

In some embodiments, the step of capturing the fingerprint collection area by using the camera includes:

Taking a fingerprint collection area by the camera to obtain a first image;

Finally, it should be noted that the above embodiments are only used to explain the technical solutions of the present application, and are not limited thereto; although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still The technical solutions described in the foregoing embodiments are modified, or the equivalents of the technical features are replaced by the equivalents. The modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

A fingerprint collection method, wherein the fingerprint collection method comprises:

Responding to the user's touch operation in the fingerprint collection area of the camera module, starting the camera configured by the camera module;

Shooting the fingerprint collection area by the camera;

The captured image is processed to obtain a fingerprint image of the user.
The fingerprint collection method according to claim 1, wherein the step of initiating a camera configured by the camera module in response to a touch operation of the user in the fingerprint collection area of the camera module comprises:

The sensing module of the camera module is configured to sense a touch operation of the user, wherein the area formed by the sensing device is a fingerprint collection area;

When the sensing device senses a touch operation, the camera configured by the camera module is activated.
The fingerprint collection method according to claim 2, wherein the step of initiating the camera configured by the camera module when the sensing device senses the touch operation comprises:

When the sensing device senses a touch operation, the sensing device outputs a feedback signal that controls activation of the camera;

The camera is controlled to be activated by the feedback signal.
The fingerprint collection method according to claim 1, wherein the step of initiating a camera configured by the camera module in response to a user's touch operation in the fingerprint collection area of the camera module further includes:

A fill light configured in the camera module is activated, and the light source is provided to the camera through the fill light.
The fingerprint collection method according to claim 2, wherein the sensing device is a metal ring, and the area enclosed by the metal ring is a fingerprint collection area.
The fingerprint collection method according to claim 1, wherein the step of capturing the fingerprint collection area by the camera comprises:

Taking a fingerprint collection area by the camera to obtain a first image;

When the touch operation ends, the fingerprint collection area is photographed by the camera to obtain a second image.
The fingerprint collection method according to claim 6, wherein the step of processing the captured image to obtain the fingerprint image of the user comprises:

Preprocessing the first image and the second image such that the contrasts of the first image and the second image are the same;

The first image and the second image are superimposed in a preset manner to obtain a fingerprint image of the user.
A storage medium, wherein it stores a plurality of instructions adapted to be loaded by a processor and to perform the following steps:

Responding to the user's touch operation in the fingerprint collection area of the camera module, starting the camera configured by the camera module;

Shooting the fingerprint collection area by the camera;

The captured image is processed to obtain a fingerprint image of the user.
The storage medium of claim 8, wherein the step of initiating a camera configured by the camera module in response to a touch operation of the user in the fingerprint collection area of the camera module comprises:

The sensing module of the camera module is configured to sense a touch operation of the user, wherein the area formed by the sensing device is a fingerprint collection area;

When the sensing device senses a touch operation, the camera configured by the camera module is activated.
The storage medium according to claim 9, wherein the step of starting the camera configured by the camera module when the sensing device senses the touch operation comprises:

When the sensing device senses a touch operation, the sensing device outputs a feedback signal that controls activation of the camera;

The camera is controlled to be activated by the feedback signal.
The storage medium of claim 8, wherein the step of initiating a camera configured by the camera module in response to a user's touch operation in the fingerprint collection area of the camera module further comprises:

A fill light configured in the camera module is activated, and the light source is provided to the camera through the fill light.
The storage medium according to claim 9, wherein the sensing device is a metal ring, and the area enclosed by the metal ring is a fingerprint collection area.
The storage medium according to claim 8, wherein the step of capturing the fingerprint collection area by the camera comprises:

Taking a fingerprint collection area by the camera to obtain a first image;

When the touch operation ends, the fingerprint collection area is photographed by the camera to obtain a second image.
The storage medium according to claim 13, wherein the step of processing the captured image to obtain a fingerprint image of the user comprises:

Preprocessing the first image and the second image such that the contrasts of the first image and the second image are the same;

The first image and the second image are superimposed in a preset manner to obtain a fingerprint image of the user.
A terminal device, where the terminal device includes:

a camera module adapted to capture an image of a fingerprint area;

a processor adapted to implement each instruction;

A storage device adapted to store a plurality of instructions adapted to be loaded by the processor and to perform the following steps:

When receiving a touch operation of the user in the fingerprint collection area of the camera module, determining whether the touch operation meets a preset condition;

When the touch operation satisfies a preset condition, in response to a user's touch operation in the fingerprint collection area of the camera module, the camera configured by the camera module is activated;

Shooting the fingerprint collection area by the camera;

The captured image is processed to obtain a fingerprint image of the user.
The terminal device according to claim 15, wherein the step of initiating a camera configured by the camera module in response to a touch operation of the user in the fingerprint collection area of the camera module comprises:

The sensing module of the camera module is configured to sense a touch operation of the user, wherein the area formed by the sensing device is a fingerprint collection area;

When the sensing device senses a touch operation, the camera configured by the camera module is activated.
The terminal device according to claim 15, wherein the step of determining whether the touch operation satisfies a preset condition when receiving a touch operation of the user in the fingerprint collection area of the camera module comprises:

When receiving a touch operation of the user in the fingerprint collection area of the camera module, collecting, by the camera module, a first ambient light brightness of an environment in which the camera is located;

Comparing the first ambient brightness with a preset brightness;

The step of responding to the touch operation of the user in the fingerprint collection area of the camera module when the touch operation meets the preset condition includes:

When the first ambient brightness is less than the preset brightness, responding to the user's touch operation in the fingerprint collection area of the camera module.
The terminal device according to claim 15, wherein the step of determining whether the touch operation satisfies a preset condition when receiving a touch operation of the user in the fingerprint collection area of the camera module comprises:

Obtaining a voltage value generated by the metal ring when receiving a touch operation of the user in the fingerprint collection area of the camera module;

Comparing the voltage value with a preset voltage threshold;

The step of responding to the touch operation of the user in the fingerprint collection area of the camera module when the touch operation meets the preset condition includes:

When the voltage value is greater than the preset voltage threshold, responding to the user's touch operation in the fingerprint collection area of the camera module.
The terminal device according to claim 15, wherein the step of capturing the fingerprint collection area by the camera comprises:

Taking a fingerprint collection area by the camera to obtain a first image;

When the touch operation ends, the fingerprint collection area is photographed by the camera to obtain a second image;

The step of processing the captured image to obtain the fingerprint image of the user includes:

Preprocessing the first image and the second image such that the contrasts of the first image and the second image are the same;

The first image and the second image are superimposed in a preset manner to obtain a fingerprint image of the user.
The terminal device according to claim 15, wherein the camera module comprises a metal ring, a camera and a fill light; the metal ring and the camera are both located on the terminal device, and the metal ring is located at the camera The outer side is such that the camera is located within a fingerprint touch area formed by the metal ring; the fill light is located within the camera and provides a light source for the camera.