CN111709394A - Method and device for identifying fingerprint under screen and storage medium - Google Patents
Method and device for identifying fingerprint under screen and storage medium Download PDFInfo
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- CN111709394A CN111709394A CN202010618571.7A CN202010618571A CN111709394A CN 111709394 A CN111709394 A CN 111709394A CN 202010618571 A CN202010618571 A CN 202010618571A CN 111709394 A CN111709394 A CN 111709394A
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- 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
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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
- G06V40/1324—Sensors therefor by using geometrical optics, e.g. using prisms
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Abstract
The embodiment of the application provides a method and a device for identifying fingerprints under a screen and a storage medium, wherein the device comprises the following steps: the processor and the fingerprint identification module connected with the processor are provided with a mobile assembly; the fingerprint identification module is used for collecting initial fingerprint image information; the processor is used for determining a target imaging position under the condition that the image quality of the initial fingerprint image information is lower than the preset image quality, and controlling the fingerprint identification module to move to the target imaging position through the moving assembly; the fingerprint identification module is also used for collecting the fingerprint image information of the target at the target imaging position.
Description
Technical Field
The present application relates to the field of electronic applications, and in particular, to a method and an apparatus for identifying fingerprints under a screen, and a storage medium.
Background
As smart phones enter the full-screen era comprehensively, the optical fingerprint under the screen performs the full-application era, and as the most common technical means, the optical fingerprint under the screen is widely applied to Organic electroluminescent display (OLED) screens or Active-Matrix Organic Light-Emitting diodes (AMOLED) screens, and utilizes the self-luminous characteristics of the pixels of the screen to place a sensor on the back of the screen, when a finger presses the surface of the screen, the screen emits Light to illuminate the finger, the Light path carrying the fingerprint information returns to the sensor, and the sensor is used to restore the fingerprint image, thereby realizing the processes of fingerprint image acquisition and fingerprint identification. The existing optical fingerprint technology under the screen has strict requirements on the thickness of the display screen, and the change of the thickness of the display screen can influence the image quality of fingerprint image information.
Disclosure of Invention
The embodiment of the application provides a method and a device for identifying fingerprints under a screen and a storage medium, which can improve the image quality of fingerprint image information.
The technical scheme of the application is realized as follows:
the embodiment of the application provides a fingerprint recognition device under screen, the device includes:
the fingerprint identification module is connected with the processor, and a moving assembly is arranged in the fingerprint identification module; wherein the content of the first and second substances,
the fingerprint identification module is used for collecting initial fingerprint image information;
the processor is used for determining a target imaging position under the condition that the image quality of the initial fingerprint image information is lower than the preset image quality, and controlling the fingerprint identification module to move to the target imaging position through the moving assembly;
the fingerprint identification module is also used for collecting the fingerprint image information of the target at the target imaging position.
The embodiment of the application provides a method for identifying fingerprints under a screen, which is applied to a device for identifying fingerprints under a screen, wherein the device for identifying fingerprints under a screen comprises a fingerprint identification module provided with a mobile component, and the method comprises the following steps:
acquiring initial fingerprint image information by using the fingerprint identification module;
under the condition that the image quality of the initial fingerprint image information is smaller than the preset image quality, determining a target imaging position, and controlling the fingerprint identification module to move to the target imaging position through the moving assembly;
and the fingerprint identification module is used for collecting target fingerprint image information at the target imaging position.
An embodiment of the present application provides a storage medium, on which a computer program is stored, wherein the computer program is configured to implement the method according to any one of the above when executed by a processor.
The embodiment of the application provides a method and a device for identifying fingerprints under a screen and a storage medium, wherein the device comprises the following steps: the processor and the fingerprint identification module connected with the processor are provided with a mobile assembly; the fingerprint identification module is used for collecting initial fingerprint image information; the processor is used for determining a target imaging position under the condition that the image quality of the initial fingerprint image information is lower than the preset image quality, and controlling the fingerprint identification module to move to the target imaging position through the moving assembly; the fingerprint identification module is also used for collecting the fingerprint image information of the target at the target imaging position. When the processor of the under-screen fingerprint identification device judges that the image quality of initial fingerprint image information initially acquired by the fingerprint identification module is lower than the preset image quality, the under-screen fingerprint identification device determines that the thickness of the display screen is changed, and at the moment, the under-screen fingerprint identification device determines the target imaging position again and controls the fingerprint identification module to move to the target imaging position through the moving assembly to acquire the target fingerprint image information again; the target imaging position is determined again, so that the image quality of the target fingerprint image information acquired at the target imaging position is higher than that of the initial fingerprint image information, and therefore, when the thickness of the display screen changes, the under-screen fingerprint identification device can automatically judge and re-determine the target imaging position, and further the image quality of the fingerprint image information is improved.
Drawings
Fig. 1 is a schematic structural diagram of an underscreen fingerprint identification apparatus according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram illustrating fingerprint imaging performed by an exemplary off-screen fingerprint identification device according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram illustrating an exemplary moving component controlling a moving direction of a fingerprint recognition module according to an embodiment of the present disclosure;
fig. 4 is a flowchart of an off-screen fingerprint identification method according to an embodiment of the present application.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the present application. And are not intended to limit the present application.
The embodiment of the present application provides an underscreen fingerprint identification apparatus 1, as shown in fig. 1, the apparatus may include:
the processor 10 and the fingerprint identification module 11 connected with the processor 10, wherein a mobile component 110 is arranged in the fingerprint identification module 11; wherein the content of the first and second substances,
the fingerprint identification module 11 is used for collecting initial fingerprint image information;
the processor 10 is configured to determine a target imaging position when the image quality of the initial fingerprint image information is less than a preset image quality, and control the fingerprint identification module 11 to move to the target imaging position through the moving component 110;
fingerprint identification module 11 is still used for target imaging position gathers target fingerprint image information.
The device for identifying the underscreen optical fingerprint is suitable for an OLED screen or an AMOLED screen in an underscreen optical fingerprint identification scene.
In the embodiment of the present application, the off-screen fingerprint identification apparatus may be any device having fingerprint identification and storage functions, for example: tablet computers, mobile phones, Personal Computers (PCs), notebook computers, cameras, wearable devices, and the like.
In this application embodiment, fingerprint identification device includes treater and the fingerprint identification module of being connected with the treater under the screen, wherein, is provided with the removal subassembly in the fingerprint identification module. In the process of carrying out fingerprint identification under the screen, initial fingerprint image information is gathered earlier to the fingerprint identification module, the image quality of initial fingerprint image information is acquireed to the treater, and compare the image quality of initial fingerprint image information with predetermineeing image quality, when the image quality of initial fingerprint image information is less than predetermineeing image quality, the target image forming position is confirmed to the treater, and move to the target image forming position through removing subassembly control fingerprint identification module, at this moment, the fingerprint identification module is at the target image forming position and gathers target fingerprint image information again, realize logging in the authentication with the target fingerprint image information who utilizes to gather, terminal unblock operation etc..
In the embodiment of the present application, the moving component is a moving component such as a motor, which is specifically selected according to an actual situation, and the embodiment of the present application is not specifically limited.
In the embodiment of the present application, the image quality may be parameters such as image definition and image resolution, which are specifically selected according to actual situations, and the embodiment of the present application is not specifically limited.
In the embodiment of the application, the image quality of the target fingerprint image information collected by the fingerprint identification module at the target imaging position is higher than that of the initial fingerprint image information, so that the accuracy of subsequent operations such as identification of the fingerprint image information can be improved.
Optionally, referring to fig. 1, the apparatus 1 further includes: a display 12 connected to the processor 10;
fingerprint identification module 11 is used for receiving to under the condition of the press operation of display screen 12, follow initial fingerprint image information of display screen 12 collection with target fingerprint image information.
In the embodiment of this application, the display screen is luminous display screen, is provided with the LED lamp in the display screen below promptly, after pressing the display screen at the finger, it is luminous to control the display screen through starting the LED lamp, and the light that luminous display screen produced shines the finger line this moment, then on light reflection to the fingerprint identification module under the display screen, produces fingerprint image information, has realized the process that fingerprint identification module gathered initial fingerprint image information from the display screen promptly. It should be noted that the process of fingerprint identification module from the initial fingerprint image information of display screen collection is unanimous with the process of gathering target fingerprint image information, and is no longer repeated here.
Optionally, the fingerprint identification module includes a first lens; the moving assembly is arranged on the first lens;
the processor is further configured to determine a first target position of the first lens, and determine the first target position as the target imaging position; and controlling the first lens to move to the first target position through the moving component.
In the embodiment of the application, the fingerprint identification module comprises first camera lens and light sensor, and fingerprint identification device installs in proper order according to display screen, first camera lens and light sensor under the screen, and first camera lens and light sensor can independently set up respectively in fingerprint identification device under the screen, also can be connected first camera lens and light sensor with coupling assembling. When first camera lens and photosensor independently set up respectively in fingerprint identification device under the screen, can set up the removal subassembly on first camera lens, specific removal subassembly can install the edge at first camera lens or set up on first camera lens with other forms, and the setting mode that the removal subassembly set up on first camera lens this application embodiment does not do specific restriction. At the moment, the movement of the first lens is controlled by the moving assembly to adjust the object distance between the display screen and the first lens.
A schematic diagram of a fingerprint imaging performed by the under-screen fingerprint identification device is shown in fig. 2, a plane on which the surface of the display screen is located is an imaging plane D, when a finger presses the display screen, light generated by the display screen irradiates lines of the finger, reflected light is projected to the imaging plane C through the first lens, an object distance between the display screen and the first lens is a, an optimal image distance between the first lens and the photosensitive sensor matched with the object distance is B, the photosensitive sensor is arranged at the position of the imaging plane C, and the photosensitive sensor can acquire fingerprint image information at the position of the imaging plane C; when the surface of the display screen is covered with the protective film, the plane where the surface of the display screen is located is an imaging surface d, at the moment, the object distance between the display screen and the first lens is changed into a, the image distance between the first lens and the photosensitive sensor is changed into b, the reflected light is projected to an imaging surface C through the first lens, and the photosensitive sensor is located at the position of the imaging surface C, so that the resolution of the acquired fingerprint image information is reduced.
In the embodiment of the application, a moving assembly is arranged on the first lens, when an imaging surface of the display screen becomes d, a first target position of the first lens is determined, the first lens is controlled to move to the first target position through the moving assembly, the imaging surface can be changed from C to C at the first target position, the photosensitive sensor is located at the best imaging surface at the moment, and the image quality of the target fingerprint image information collected by the photosensitive sensor is highest.
Optionally, the fingerprint identification module further includes a photosensitive sensor; the moving assembly is arranged on the photosensitive sensor;
the processor is further configured to determine a second target position of the photosensitive sensor and determine the second target position as the target imaging position; and controlling the photosensitive sensor to move to the second target position through the moving assembly.
In this application embodiment, be provided with on the light sensor and remove the subassembly, specific removal subassembly can install in light sensor's fixed position or set up on light sensor with other forms, removes the mode of setting up on light sensor of subassembly this application embodiment and does not do specific injecing. When the imaging surface of the display screen is changed to d, a second target position of the photosensitive sensor is determined, the photosensitive sensor is controlled to move to the second target position through the moving assembly, the second target position is the position of the imaging surface c, the photosensitive sensor is located on the optimal imaging surface at the moment, and the image quality of the target fingerprint image information acquired by the photosensitive sensor is highest.
Optionally, the fingerprint identification module further includes a connecting part connecting the first lens and the light sensor, and the moving assembly is disposed on the connecting part;
the processor is further configured to determine a third target position of the fingerprint identification module, and determine the third target position as the target imaging position; the connecting component is controlled to move through the moving component, so that the fingerprint identification module is driven to move to the third target position.
In the embodiment of the application, when the first lens and the photosensitive sensor in the fingerprint identification module are respectively and independently arranged in the underscreen fingerprint identification device, the moving assembly can be arranged on the first lens in the fingerprint identification module and also can be arranged on the photosensitive sensor in the fingerprint identification module; when first camera lens and the photosensor in the fingerprint identification module pass through adapting unit and connect, remove the subassembly and can also set up on the adapting unit of fingerprint identification module, specific removal subassembly can install at adapting unit's edge or set up on adapting unit with other forms, and the setting mode that removes the subassembly setting on adapting unit does not do specific restriction this application embodiment. At this moment, remove the subassembly and can control whole fingerprint identification module and remove, specific removal subassembly set up the form and can select according to the constitution form of fingerprint identification module, and this application embodiment does not do specific restriction.
In the embodiment of the application, set up the removal subassembly on the fingerprint identification module, when the imaging surface of display screen becomes d, confirm the third target location of fingerprint identification module to remove to the third target location through removing the subassembly control fingerprint identification module, this third target location can make the object distance between display screen and the first camera lens become A from an, and then makes the photosensor be in best imaging surface, and the image quality of the target fingerprint image information that the photosensor gathered is the highest.
Optionally, the processor 10 controls the moving component 110 to move along a first direction, which is a direction perpendicular to the plane of the display screen 12.
Exemplarily, as shown in fig. 3, the display screen plane is in the horizontal direction, and the installation removes the subassembly on the fingerprint identification module, when covering the protection film on the display screen, the best imaging surface has taken place to change, and at this moment, fingerprint identification device removes along the vertical direction through removing subassembly control fingerprint identification module under the screen, and until removing the fingerprint identification module to the best imaging surface and acquire target fingerprint image information.
The under-screen fingerprint identification device comprises a processor and a fingerprint identification module connected with the processor, wherein a moving assembly is arranged in the fingerprint identification module; the fingerprint identification module is used for collecting initial fingerprint image information; the processor is used for determining a target imaging position under the condition that the image quality of the initial fingerprint image information is lower than the preset image quality, and controlling the fingerprint identification module to move to the target imaging position through the moving assembly; the fingerprint identification module is also used for collecting the fingerprint image information of the target at the target imaging position. Therefore, according to the under-screen fingerprint identification device provided by the embodiment, the under-screen fingerprint identification device comprises the fingerprint identification module provided with the moving component, when the processor of the under-screen fingerprint identification device judges that the image quality of the initial fingerprint image information initially acquired by the fingerprint identification module is lower than the preset image quality, the under-screen fingerprint identification device determines that the thickness of the display screen is changed, at the moment, the under-screen fingerprint identification device re-determines the target imaging position, and controls the fingerprint identification module to move to the target imaging position through the moving component to re-acquire the target fingerprint image information; the target imaging position is determined again, so that the image quality of the target fingerprint image information acquired at the target imaging position is higher than that of the initial fingerprint image information, and therefore, when the thickness of the display screen changes, the under-screen fingerprint identification device can automatically judge and re-determine the target imaging position, and further the image quality of the fingerprint image information is improved.
The embodiment of the present application further provides a method for identifying fingerprints under a screen, which is applied to a device for identifying fingerprints under a screen, where the device for identifying fingerprints under a screen includes a fingerprint identification module provided with a mobile component, and as shown in fig. 4, the method may include:
s101, initial fingerprint image information is collected by the fingerprint identification module.
The method for identifying the fingerprint under the screen is suitable for the scene of identifying the optical fingerprint under the OLED screen.
In this application embodiment, fingerprint recognition device includes under the screen: the display screen, this display screen are luminous display screen, are provided with the LED lamp in the display screen below promptly, and the fingerprint identification module is in the display screen below, and fingerprint identification device utilizes the fingerprint identification module under the screen receiving the condition to the pressing operation of display screen, from the initial fingerprint image information of display screen collection.
In the embodiment of this application, after the display screen is pressed to the finger, control the display screen through starting the LED lamp and give out light, the light that the luminous display screen produced this moment shines finger line, then on light reflection to the fingerprint identification module under the display screen, produces fingerprint image information, has realized the process that fingerprint identification module gathered initial fingerprint image information from the display screen promptly.
S102, under the condition that the image quality of the initial fingerprint image information is smaller than the preset image quality, the target imaging position is determined, and the fingerprint identification module is controlled to move to the target imaging position through the moving assembly.
After the fingerprint identification device utilizes the fingerprint identification module to gather initial fingerprint image information under the screen, fingerprint identification device acquires the image quality of initial fingerprint image information under the screen to compare the image quality of initial fingerprint image information with preset image quality, under the condition that the image quality of judging initial fingerprint image information is less than preset image quality, fingerprint identification device confirms the target image forming position under the screen, and through removing subassembly control fingerprint identification module and remove to the target image forming position.
In the embodiment of the application, the fingerprint identification module comprises first camera lens and light sensor, and fingerprint identification device installs in proper order according to display screen, first camera lens and light sensor under the screen, and first camera lens and light sensor can independently set up respectively in fingerprint identification device under the screen, also can be connected first camera lens and light sensor with coupling assembling. When the first lens and the photosensitive sensor are respectively and independently arranged in the fingerprint identification device under the screen, the moving assembly can be arranged on the first lens, and at the moment, the moving assembly controls the movement of the first lens to adjust the object distance between the display screen and the first lens.
A schematic diagram of a fingerprint imaging performed by the under-screen fingerprint identification device is shown in fig. 2, a plane on which the surface of the display screen is located is an imaging plane D, when a finger presses the display screen, light generated by the display screen irradiates lines of the finger, reflected light is projected to the imaging plane C through the first lens, an object distance between the display screen and the first lens is a, an optimal image distance between the first lens and the photosensitive sensor matched with the object distance is B, the photosensitive sensor is arranged at the position of the imaging plane C, and the photosensitive sensor can acquire fingerprint image information at the position of the imaging plane C; when the surface of the display screen is covered with the protective film, the plane where the surface of the display screen is located is an imaging surface d, at the moment, the object distance between the display screen and the first lens is changed into a, the image distance between the first lens and the photosensitive sensor is changed into b, the reflected light is projected to an imaging surface C through the first lens, and the photosensitive sensor is located at the position of the imaging surface C, so that the resolution of the acquired fingerprint image information is reduced.
In an optional embodiment, the fingerprint identification module comprises a first lens, and the moving component is arranged on the first lens; the method comprises the steps that an off-screen fingerprint recognition device determines a first target position of a first lens, and determines the first target position as a target imaging position, wherein the first target position can enable an imaging surface to be changed from C to C, and at the moment, a photosensitive sensor is located on an optimal imaging surface; and then, the screen lower fingerprint identification device controls the first lens to move to the first target position through the moving assembly, and the image quality of the target fingerprint image information collected by the photosensitive sensor is the highest.
In an alternative embodiment, the fingerprint identification module comprises a photosensitive sensor; the moving assembly is arranged on the photosensitive sensor; determining a second target position of the photosensitive sensor by the aid of the underscreen fingerprint identification device, and determining the second target position as a target imaging position, wherein the second target position is the position of an imaging surface c; and then, the screen lower fingerprint identification device controls the photosensitive sensor to move to a second target position through the moving assembly, and the image quality of the target fingerprint image information collected by the photosensitive sensor is the highest.
In an optional embodiment, the fingerprint identification module further comprises a connecting part for connecting the first lens and the photosensitive sensor; the under-screen fingerprint identification device determines a third target position of the fingerprint identification module, and determines the third target position as a target imaging position, wherein the third target position is used for adjusting the object distance between the display screen and the first lens, so that the photosensitive sensor is positioned on the optimal imaging surface; afterwards, fingerprint identification device passes through removal subassembly control adapting unit and removes under the screen to drive the fingerprint identification module and remove to the third target location, at this moment, the image quality of the target fingerprint image information that photosensitive sensor gathered is the highest.
S103, collecting target fingerprint image information at a target imaging position by using a fingerprint identification module.
The target imaging position is confirmed to fingerprint identification device under the screen to after removing to the target imaging position through removing subassembly control fingerprint identification module, fingerprint identification device utilizes the fingerprint identification module to gather target fingerprint image information in the target imaging position under the screen.
In this application embodiment, fingerprint identification device utilizes the fingerprint identification module of target formation of image position department under the screen, from display screen collection target fingerprint image information, and the image quality of the target fingerprint image information that the fingerprint identification module was gathered in target formation of image position department is higher than the image quality of initial fingerprint image information.
In the embodiment of the application, the under-screen fingerprint identification device can perform the under-screen fingerprint identification process under the scenes of login authentication, terminal unlocking and the like, so that after the under-screen fingerprint identification device collects the target fingerprint image information, the target fingerprint image information is utilized to realize the subsequent identity authentication process.
In a terminal unlocking scene, matching the acquired target fingerprint image information with prestored fingerprints in a fingerprint library, and when the matching is successful, representing that the identity authentication is successful, and unlocking the terminal at the moment; and when the matching fails, the identity authentication is represented to fail, and the terminal is prompted to fail in unlocking.
It can be understood that the under-screen fingerprint identification device comprises a fingerprint identification module provided with a moving component, when a processor of the under-screen fingerprint identification device judges that the image quality of initial fingerprint image information initially acquired by the fingerprint identification module is lower than a preset image quality, the under-screen fingerprint identification device determines that the thickness of the display screen is changed, at the moment, the under-screen fingerprint identification device re-determines a target imaging position, and controls the fingerprint identification module to move to the target imaging position through the moving component to re-acquire the target fingerprint image information; the target imaging position is determined again, so that the image quality of the target fingerprint image information acquired at the target imaging position is higher than that of the initial fingerprint image information, and therefore, when the thickness of the display screen changes, the under-screen fingerprint identification device can automatically judge and re-determine the target imaging position, and further the image quality of the fingerprint image information is improved.
The embodiment of the application provides a storage medium, on which a computer program is stored, where the computer readable storage medium stores one or more programs, and the one or more programs are executable by one or more processors and applied to an off-screen fingerprint identification device, and the computer program implements the following methods:
acquiring initial fingerprint image information by using the fingerprint identification module; under the condition that the image quality of the initial fingerprint image information is smaller than the preset image quality, determining a target imaging position, and controlling the fingerprint identification module to move to the target imaging position through the moving assembly; and the fingerprint identification module is used for collecting target fingerprint image information at the target imaging position.
Further, in this embodiment of the application, the fingerprint identification module includes a first lens, and the method further includes: determining a first target position of the first lens, and determining the first target position as the target imaging position; and controlling the first lens to move to the first target position through the moving component.
Further, in this embodiment of the application, the fingerprint identification module includes a photosensitive sensor; the moving assembly is arranged on the photosensitive sensor; the method further comprises the following steps: determining a second target position of the photosensitive sensor, and determining the second target position as the target imaging position; and controlling the photosensitive sensor to move to the second target position through the moving assembly.
Further, in this embodiment of the application, the fingerprint identification module further includes a connection component connecting the first lens and the light sensor, and the method further includes: determining a third target position of the fingerprint identification module, and determining the third target position as the target imaging position; the connecting component is controlled to move through the moving component, so that the fingerprint identification module is driven to move to the third target position.
Further, in this embodiment of the present application, the apparatus further includes: a display screen connected with the processor; the method further comprises the following steps: under the condition that the pressing operation on the display screen is received, the fingerprint identification module is utilized to collect the initial fingerprint image information from the display screen; and collecting the target fingerprint image information from the display screen by using the fingerprint identification module at the target imaging position.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present disclosure may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling an image display device (e.g., a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present disclosure.
The above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application.
Claims (13)
1. An underscreen fingerprint identification device, the device comprising:
the fingerprint identification module is connected with the processor, and a moving assembly is arranged in the fingerprint identification module; wherein the content of the first and second substances,
the fingerprint identification module is used for collecting initial fingerprint image information;
the processor is used for determining a target imaging position under the condition that the image quality of the initial fingerprint image information is lower than the preset image quality, and controlling the fingerprint identification module to move to the target imaging position through the moving assembly;
the fingerprint identification module is also used for collecting the fingerprint image information of the target at the target imaging position.
2. The apparatus of claim 1, wherein the fingerprint recognition module comprises a first lens; the moving assembly is arranged on the first lens;
the processor is further configured to determine a first target position of the first lens, and determine the first target position as the target imaging position; and controlling the first lens to move to the first target position through the moving component.
3. The apparatus of claim 1 or 2, wherein the fingerprint recognition module further comprises a light-sensitive sensor; the moving assembly is arranged on the photosensitive sensor;
the processor is further configured to determine a second target position of the photosensitive sensor and determine the second target position as the target imaging position; and controlling the photosensitive sensor to move to the second target position through the moving assembly.
4. The device according to any one of claims 1-3, wherein the fingerprint recognition module further comprises a connecting member connecting the first lens and the light sensor, and the moving assembly is disposed on the connecting member;
the processor is further configured to determine a third target position of the fingerprint identification module, and determine the third target position as the target imaging position; the connecting component is controlled to move through the moving component, so that the fingerprint identification module is driven to move to the third target position.
5. The apparatus of claim 1, further comprising: the display screen covers the fingerprint identification module;
the fingerprint identification module is used for receiving the pressing operation of the display screen, and collecting initial fingerprint image information and target fingerprint image information from the display screen.
6. The apparatus of claim 5,
the processor controls the moving assembly to move along a first direction, and the first direction is a direction perpendicular to the plane of the display screen.
7. The apparatus of claim 1, wherein the image quality of the target fingerprint image information is higher than the image quality of the initial fingerprint image information.
8. The method for identifying the fingerprints under the screen is characterized by being applied to an identifying device for the fingerprints under the screen, wherein the identifying device for the fingerprints under the screen comprises a fingerprint identifying module provided with a moving assembly, and the method comprises the following steps:
acquiring initial fingerprint image information by using the fingerprint identification module;
under the condition that the image quality of the initial fingerprint image information is smaller than the preset image quality, determining a target imaging position, and controlling the fingerprint identification module to move to the target imaging position through the moving assembly;
and the fingerprint identification module is used for collecting target fingerprint image information at the target imaging position.
9. The method of claim 8, wherein the fingerprint recognition module comprises a first lens, wherein the moving component is disposed on the first lens, and wherein determining the target imaging position comprises:
determining a first target position of the first lens, and determining the first target position as the target imaging position;
correspondingly, the through the removal subassembly control the fingerprint identification module removes to the target imaging position includes:
and controlling the first lens to move to the first target position through the moving component.
10. The method of claim 8, wherein the fingerprint recognition module comprises a light-sensitive sensor; the moving assembly is arranged on the photosensitive sensor; the determining of the target imaging position comprises:
determining a second target position of the photosensitive sensor, and determining the second target position as the target imaging position;
correspondingly, the through the removal subassembly control the fingerprint identification module removes to the target imaging position includes:
and controlling the photosensitive sensor to move to the second target position through the moving assembly.
11. The method of claim 8, wherein the fingerprint recognition module further comprises a connecting component connecting the first lens and the photosensitive sensor, and the determining the target imaging position comprises:
determining a third target position of the fingerprint identification module, and determining the third target position as the target imaging position;
correspondingly, the through the removal subassembly control the fingerprint identification module removes to the target imaging position includes:
the connecting component is controlled to move through the moving component, so that the fingerprint identification module is driven to move to the third target position.
12. The method of claim 8, wherein the apparatus further comprises: a display screen connected with the processor; utilize initial fingerprint image information is gathered to the fingerprint identification module, include:
under the condition that the pressing operation on the display screen is received, the fingerprint identification module is utilized to collect the initial fingerprint image information from the display screen;
correspondingly, the utilization the fingerprint identification module is in target imaging position gathers target fingerprint image information, includes:
and collecting the target fingerprint image information from the display screen by using the fingerprint identification module at the target imaging position.
13. A storage medium on which a computer program is stored which, when being executed by a processor, carries out the method according to any one of claims 8-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010618571.7A CN111709394B (en) | 2020-06-30 | 2020-06-30 | Under-screen fingerprint identification method and device and storage medium |
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| CN111709394B (en) | 2023-06-02 |
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