CN112417982A - Large-area under-screen fingerprint area display method, device, equipment and storage medium - Google Patents
Large-area under-screen fingerprint area display method, device, equipment and storage medium Download PDFInfo
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- CN112417982A CN112417982A CN202011172275.5A CN202011172275A CN112417982A CN 112417982 A CN112417982 A CN 112417982A CN 202011172275 A CN202011172275 A CN 202011172275A CN 112417982 A CN112417982 A CN 112417982A
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- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000005070 sampling Methods 0.000 claims abstract description 68
- 238000004590 computer program Methods 0.000 claims description 9
- 238000013507 mapping Methods 0.000 claims 3
- 238000000605 extraction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 11
- 230000003287 optical effect Effects 0.000 description 9
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
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- General Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Multimedia (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
The invention discloses a method, a device, equipment and a storage medium for displaying a large-area under-screen fingerprint area, wherein the method comprises the following steps: setting a fingerprint image collection effective area on a display screen; when the display screen is in a locked state, displaying a fingerprint image collecting area in the fingerprint image collecting effective area; wherein, the fingerprint sampling area is less than or equal to the effective fingerprint sampling area. The method realizes that the fingerprint image collecting area is prompted to the user.
Description
Technical Field
The invention relates to the technical field of fingerprint image acquisition, in particular to a method, a device, equipment and a storage medium for displaying a large-area under-screen fingerprint area.
Background
At present, the cell-phone of optical fingerprint carries out the fingerprint at the fixed point and picks the picture under the screen, as shown in fig. 1, the regional Logo suggestion of fingerprint all is in fixed position point fingerprint region promptly, and the fingerprint region sets up the area very little, can only place a finger, and the limitation is too little like this, and the user can only carry out the fingerprint in this fingerprint region and picks the picture, and the fingerprint region is too little. Present large tracts of land screen down optical fingerprint can be on the screen very big scope or full screen collection fingerprint, as shown in fig. 2, the effective scope of drawing is adopted to the regional interior of dotted line, and the user finger can carry out the fingerprint in the regional homoenergetic of dotted line and adopt the drawing, but how to indicate to the user that to adopt the drawing regional problem, does not have the scheme of solving yet at present, and the user can't know where to carry out the fingerprint and adopt the drawing, and then unblock.
Therefore, how to prompt the user about the fingerprint image collecting area is an urgent problem to be solved.
Disclosure of Invention
The invention aims to provide a method, a device, equipment and a storage medium for displaying a large-area under-screen fingerprint area, so as to prompt a user of a fingerprint image collecting area.
In order to solve the above technical problem, the present invention provides a method for displaying a large area of an under-screen fingerprint area, including:
setting a fingerprint image collection effective area on a display screen;
when the display screen is in a locked state, displaying a fingerprint image collecting area in the fingerprint image collecting effective area; wherein, the fingerprint sampling area is less than or equal to the effective fingerprint sampling area.
Preferably, the fingerprint sampling area comprises a fixed fingerprint sampling area or a movable fingerprint sampling area.
Preferably, the displaying the fingerprint sampling area in the fingerprint sampling effective area includes:
if the fingerprint image picking area is a fixed fingerprint image picking area, displaying the fixed image picking area in the effective fingerprint image picking area; wherein, the color of the fixed image-capturing area is different from the color of the display screen in the locked state.
Preferably, the fixed fingerprint sampling area is overlapped with the effective fingerprint sampling area; or the fixed fingerprint image-taking area is smaller than the effective fingerprint image-taking area, and the number of the fixed fingerprint image-taking areas is at least one and is in any shape.
Preferably, the displaying the fingerprint sampling area in the fingerprint sampling effective area includes:
and if the fingerprint image picking area is a movable fingerprint image picking area, when the finger of the user is detected to move in the fingerprint image picking effective area, displaying the movable fingerprint image picking area corresponding to the finger of the user in the fingerprint image picking effective area.
Preferably, the mobile fingerprint sampling area is displayed as a fingerprint identifier on the display screen and moves along with the movement of the finger of the user.
Preferably, the method further comprises:
and when the finger of the user is detected to move to the boundary of the fingerprint sampling effective area, displaying the boundary line of the fingerprint sampling effective area corresponding to the finger of the user.
The present invention also provides a large-area under-screen fingerprint area display device, including:
the setting module is used for setting a fingerprint image collection effective area on the display screen;
the display module is used for displaying the fingerprint image collecting area in the fingerprint image collecting effective area when the display screen is in a locking state; wherein, the fingerprint sampling area is less than or equal to the effective fingerprint sampling area.
The present invention also provides a large-area under-screen fingerprint area display apparatus, comprising:
a memory for storing a computer program;
a processor for implementing the steps of the above method when executing the computer program.
The invention also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, carries out the steps of the above-mentioned method.
The invention provides a method, a device, equipment and a storage medium for displaying a large-area under-screen fingerprint area, wherein a fingerprint image collection effective area is set on a display screen; when the display screen is in a locked state, displaying a fingerprint image collecting area in the fingerprint image collecting effective area; wherein, the fingerprint sampling area is less than or equal to the effective fingerprint sampling area. It is thus clear that when the display screen was the locking state, it had the fingerprint to adopt the picture regional to show in fingerprint collection valid area, showed fingerprint collection regional like this under the locking screen, owing to show fingerprint collection regional, to indicate the fingerprint collection region to the user promptly, can indicate the fingerprint collection region to the user like this under the optical fingerprint collection scene under the large tracts of land screen, no longer carry out the fingerprint at fixed position point and adopt the picture, also enlarged fingerprint collection scope.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a prior art fingerprint Logo display;
FIG. 2 is a schematic diagram of an optical fingerprint collection range under a large screen in the prior art;
FIG. 3 is a flowchart of a method for displaying a large area of an under-screen fingerprint area according to the present invention;
FIG. 4 is a schematic view of a fingerprint sampling area with a bright rectangle in the effective area of the fingerprint sampling;
FIG. 5 is a schematic view of a fingerprint image pick-up area with a bright heart shape in the effective area of the fingerprint image pick-up;
FIG. 6 is a schematic diagram showing fingerprint identifiers in an effective area of a fingerprint sampling;
FIG. 7 is a schematic diagram of displaying fingerprint identifiers and boundaries in an effective area of a fingerprint sampling;
FIG. 8 is a schematic structural diagram of a large-area under-screen fingerprint area display device according to the present invention;
fig. 9 is a schematic structural diagram of a large-area under-screen fingerprint area display device according to the present invention.
Detailed Description
The core of the invention is to provide a method, a device, equipment and a storage medium for displaying a large-area under-screen fingerprint area, so as to prompt a user of a fingerprint image collecting area.
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 3, fig. 3 is a flowchart of a method for displaying a large area of an under-screen fingerprint area according to the present invention, the method includes the following steps:
s11: setting a fingerprint image collection effective area on a display screen;
s12: when the display screen is in a locked state, displaying a fingerprint image collecting area in the fingerprint image collecting effective area;
wherein, the fingerprint sampling area is less than or equal to the effective fingerprint sampling area.
Therefore, in the method, when the display screen is in a locked state, the fingerprint image collecting area is displayed in the fingerprint image collecting effective area, so that the fingerprint image collecting area is displayed under the locked screen, and the fingerprint image collecting area is prompted to a user due to the fact that the fingerprint image collecting area is displayed, so that the fingerprint image collecting area can be prompted to the user under an optical fingerprint image collecting scene under the screen with a large area, fingerprint image collection is not performed at a fixed position any more, and the fingerprint image collecting range is expanded. The method is suitable for mobile phones or other terminals with large-area underscreen optical fingerprint modules.
Based on the method, further, the fingerprint sampling area comprises a fixed fingerprint sampling area or a movable fingerprint sampling area. It should be noted that the fingerprint sampling effective area mentioned herein is a set area, which is not displayed in the screen and is displayed as the fingerprint sampling area.
Based on step S12, if the fingerprint matching area is a fixed fingerprint matching area, the process of displaying the fingerprint matching area in the fingerprint matching effective area specifically includes: displaying a fixed image-taking area in the effective fingerprint image-taking area; wherein, the color of the fixed image-capturing area is different from the color of the display screen in the locked state.
Wherein, the fixed fingerprint sampling area is superposed with the effective fingerprint sampling area; or the fixed fingerprint image-taking area is smaller than the effective fingerprint image-taking area, and the number of the fixed fingerprint image-taking areas is at least one and is in any shape.
If the fingerprint sampling area is a fixed fingerprint sampling area, refer to fig. 4 and 5. Fig. 4 is a schematic diagram of a fingerprint sampling area with a bright rectangle in the fingerprint sampling effective area, the dotted line represents the boundary line of the fingerprint sampling effective area, the fingerprint sampling effective area is a rectangle, the fixed fingerprint sampling area is overlapped with the fingerprint sampling effective area, namely, the fingerprint sampling area occupies the whole fingerprint sampling effective area. When the screen is in a locked state, a fingerprint is needed to be picked, the screen is bright and rectangular, the rectangular and the effective picking range are overlapped, the filling color and the boundary color are not limited, and the filling color and the boundary color are distinguished from other areas of the screen, so that a user sees the displayed rectangular area and knows that the fingerprint unlocking can be carried out in the area.
Fig. 5 is a schematic diagram of a fingerprint image-taking area with a highlighted heart shape in a fingerprint image-taking effective area, a dotted line represents a boundary line of the fingerprint image-taking effective area, the fingerprint image-taking area is two heart-shaped areas which can be practically in any shape and can be freely set by a user, the shape can be drawn in the image-taking effective range by the screen, only when the user carries out fingerprint image-taking in the set prompt shape, the fingerprint image-taking area is regarded as one-time effective fingerprint image-taking, the shape contour of the fingerprint image-taking area is not limited, the filling color and the boundary color are not limited, and the fingerprint image-taking area is distinguished from other areas of the screen.
Based on step S12, if the fingerprint matching area is a mobile fingerprint matching area, the process of displaying the fingerprint matching area in the fingerprint matching effective area specifically includes: and when the finger of the user is detected to move in the fingerprint sampling effective area, displaying the moving fingerprint sampling area corresponding to the finger of the user in the fingerprint sampling effective area.
The mobile fingerprint image collection area is displayed as a fingerprint identifier on the display screen and moves along with the movement of the finger of the user. Further, in addition to displaying the moving fingerprint sampling area corresponding to the finger of the user in the fingerprint sampling effective area, when the finger of the user is detected to move to the boundary of the fingerprint sampling effective area, the boundary line of the fingerprint sampling effective area corresponding to the finger of the user is displayed.
If the fingerprint sampling area is a moving fingerprint sampling area, refer to fig. 6 and 7. Figure 6 shows fingerprint identification schematic diagram in the fingerprint is adopted the picture effective area, and the dotted line represents the boundary line of fingerprint is adopted the picture effective area, and the fingerprint is adopted the picture area and is the fingerprint identification, and fingerprint identification follows the finger and removes, is a follow suggestion, and suggestion fingerprint Logo removes along with the finger promptly, and the user knows that the finger is located the fingerprint is adopted the picture area according to fingerprint identification, can carry out the fingerprint and adopt the picture, carries out the screen unblock.
Fig. 7 is a schematic diagram showing a fingerprint identifier and a boundary in a fingerprint acquisition effective area, a dotted line indicates a boundary line of the fingerprint acquisition effective area, the fingerprint acquisition area is the fingerprint identifier, when a finger is suspended above a screen and does not contact the screen, a fingerprint Logo is displayed on the screen below the finger, if the finger is suspended above a certain boundary of the screen, the boundary line is lightened to prompt that the finger cannot move outwards, so that except that a moving fingerprint acquisition area, namely the fingerprint identifier Logo, corresponding to the finger of a user is displayed in the fingerprint acquisition effective area, when the finger of the user is detected to move to the boundary of the fingerprint acquisition effective area, the boundary line of the fingerprint acquisition effective area corresponding to the finger of the user is displayed, the length of the boundary line is freely set, the colors of the fingerprint Logo and the boundary line prompt are not limited, and the fingerprint Logo and the fingerprint identification can be distinguished from other areas of the screen.
Therefore, the method can be effectively used for large-area optical fingerprint modules under screens, guide is provided for effective image acquisition, the image acquisition area is customized by a user, individuation is achieved, and sale points of terminal products are increased. The method can also be widely used in various scenes for acquiring the biological characteristics under the screen, and is particularly suitable for optical fingerprints under the screen.
Referring to fig. 8, fig. 8 is a schematic structural diagram of an apparatus for implementing the above method, including:
the setting module 101 is used for setting a fingerprint image collection effective area on a display screen;
the display module 102 is configured to display a fingerprint sampling area in the fingerprint sampling effective area when the display screen is in a locked state; wherein, the fingerprint sampling area is less than or equal to the effective fingerprint sampling area.
It is thus clear that in the device, when the display screen was the lock-out state, it had the fingerprint to adopt the picture regional to show in fingerprint collection effective area, showed fingerprint collection picture region like this under the lock-out screen, owing to show that there is the fingerprint collection picture region, to indicate the fingerprint collection region to the user promptly, can indicate the fingerprint collection region to the user like this under the optical fingerprint collection scene under large tracts of land screen, no longer carry out the fingerprint at fixed position point and adopt the picture, also enlarged the fingerprint and adopted the picture scope.
For the introduction of the apparatus provided by the present invention, reference is made to the foregoing method embodiments, which are not described herein again.
Referring to fig. 9, fig. 9 is a schematic structural diagram of an apparatus provided in the present invention, the apparatus including:
a memory 201 for storing a computer program;
a processor 202 for implementing the steps of the method as in the previous embodiments when executing said computer program.
For the introduction of the device provided by the present invention, please refer to the foregoing method embodiments, which are not described herein again.
The invention also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the method as in the previous embodiments.
For the introduction of the computer-readable storage medium provided by the present invention, reference is made to the foregoing method embodiments, and details of the method embodiments are not repeated herein.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The method, the device, the equipment and the storage medium for displaying the large-area under-screen fingerprint area provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A large-area under-screen fingerprint area display method is characterized by comprising the following steps:
setting a fingerprint image collection effective area on a display screen;
when the display screen is in a locked state, displaying a fingerprint image collecting area in the fingerprint image collecting effective area; wherein, the fingerprint sampling area is less than or equal to the effective fingerprint sampling area.
2. The method of claim 1, wherein the fingerprint mapping area comprises a fixed fingerprint mapping area or a moving fingerprint mapping area.
3. The method of claim 1, wherein displaying the fingerprint sampling area within the fingerprint sampling active area comprises:
if the fingerprint image picking area is a fixed fingerprint image picking area, displaying the fixed image picking area in the effective fingerprint image picking area; wherein, the color of the fixed image-capturing area is different from the color of the display screen in the locked state.
4. A method according to claim 3, wherein the fixed fingerprint sampling area coincides with a fingerprint sampling active area; or the fixed fingerprint image-taking area is smaller than the effective fingerprint image-taking area, and the number of the fixed fingerprint image-taking areas is at least one and is in any shape.
5. The method of claim 1, wherein displaying the fingerprint sampling area within the fingerprint sampling active area comprises:
and if the fingerprint image picking area is a movable fingerprint image picking area, when the finger of the user is detected to move in the fingerprint image picking effective area, displaying the movable fingerprint image picking area corresponding to the finger of the user in the fingerprint image picking effective area.
6. The method of claim 5, wherein the moving fingerprint extraction area is displayed on the display as a fingerprint identification and moves as the user's finger moves.
7. The method of claim 5, further comprising:
and when the finger of the user is detected to move to the boundary of the fingerprint sampling effective area, displaying the boundary line of the fingerprint sampling effective area corresponding to the finger of the user.
8. A large area, under-screen fingerprint area display device, comprising:
the setting module is used for setting a fingerprint image collection effective area on the display screen;
the display module is used for displaying the fingerprint image collecting area in the fingerprint image collecting effective area when the display screen is in a locking state; wherein, the fingerprint sampling area is less than or equal to the effective fingerprint sampling area.
9. A large area, under-screen fingerprint area display device, comprising:
a memory for storing a computer program;
a processor for implementing the steps of the large area infra-screen fingerprint area display method of any one of claims 1 to 7 when executing said computer program.
10. A computer-readable storage medium, having stored thereon a computer program which, when being executed by a processor, carries out the steps of the large area infra-screen fingerprint region display method according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011172275.5A CN112417982A (en) | 2020-10-28 | 2020-10-28 | Large-area under-screen fingerprint area display method, device, equipment and storage medium |
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| CN202011172275.5A CN112417982A (en) | 2020-10-28 | 2020-10-28 | Large-area under-screen fingerprint area display method, device, equipment and storage medium |
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