CN112580387A - Fingerprint input method and device and electronic equipment - Google Patents
Fingerprint input method and device and electronic equipment Download PDFInfo
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- CN112580387A CN112580387A CN201910922787.XA CN201910922787A CN112580387A CN 112580387 A CN112580387 A CN 112580387A CN 201910922787 A CN201910922787 A CN 201910922787A CN 112580387 A CN112580387 A CN 112580387A
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- 238000001514 detection method Methods 0.000 claims abstract description 137
- 238000005070 sampling Methods 0.000 claims abstract description 105
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- 230000008859 change Effects 0.000 claims description 19
- 238000010586 diagram Methods 0.000 description 23
- 238000004891 communication Methods 0.000 description 10
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- 238000005516 engineering process Methods 0.000 description 7
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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
Abstract
The disclosure relates to a fingerprint input method and device and electronic equipment. The fingerprint input method is applied to electronic equipment, and the electronic equipment is provided with a fingerprint detection area; the fingerprint input method comprises the following steps: respectively acquiring a plurality of fingerprint sampling images when a finger slides along at least two directions of a fingerprint detection area; and determining the fingerprint input into the electronic equipment according to the plurality of fingerprint sampling images.
Description
Technical Field
The present disclosure relates to the field of terminal technologies, and in particular, to a fingerprint input method and apparatus, and an electronic device.
Background
At present, some electronic equipment on the market have configured fingerprint technique under the screen, have avoided the fingerprint module to occupy electronic equipment's front region, have promoted the screen and have occupied than. However, when the fingerprint technology is input and matched with the fingerprint under the current screen, the fingerprint input is usually realized by contacting the finger with the light spot area, and the single input of the fingerprint information is less due to the small single contact area of the finger and the light spot area, so that the input of the whole complete fingerprint needs to be performed by a user for multiple times, and sometimes even up to twenty times, thereby being complex in operation and poor in experience.
Disclosure of Invention
The disclosure provides a fingerprint input method and device and electronic equipment, and aims to overcome the defects in the related art.
According to a first aspect of the embodiments of the present disclosure, a fingerprint input method is provided, in which an electronic device is provided with a fingerprint detection area;
the fingerprint input method comprises the following steps:
respectively acquiring a plurality of fingerprint sampling images when a finger slides along at least two directions of a fingerprint detection area;
and determining the fingerprint input into the electronic equipment according to the plurality of fingerprint sampling images.
Optionally, the at least two directions include a first direction and a second direction, and the first direction is perpendicular to the second direction.
Optionally, the respectively obtaining a plurality of fingerprint sampling images when the finger slides along at least two directions of the fingerprint detection area includes:
for each direction, acquiring the overlapping size of the finger and the fingerprint detection area in the finger sliding process;
and when the ratio of the overlapping size to the corresponding size of the fingerprint detection area is larger than a first preset threshold value, acquiring a first fingerprint sampling image in the corresponding direction.
Optionally, the respectively obtaining a plurality of fingerprint sampling images when the finger slides along at least two directions of the fingerprint detection area includes:
in each direction, determining a change value of an overlapping size in the sliding process of the finger according to the overlapping size of the finger and the fingerprint detection area when the previous fingerprint sampling image is obtained;
and when the sampling of the previous fingerprint sampling image is finished and the ratio of the change value of the overlapped size to the corresponding size of the fingerprint detection area is greater than or equal to a second preset threshold value, acquiring the next fingerprint sampling image.
Optionally, the acquiring the next fingerprint sample image includes:
and acquiring fingerprint information of an area on the finger, which is overlapped with the fingerprint detection area, to serve as the next fingerprint sampling image.
Optionally, the fingerprint detection area is evenly divided into N areas along a first designated direction of the at least two directions, and when the finger slides along the first designated direction, the second preset threshold is 1/N, where N is an integer greater than 1.
Optionally, the fingerprint detection area is evenly divided into M areas along a second specified direction of the at least two directions, and when the finger slides along the second specified direction, the first preset threshold is 1/M, where M is an integer greater than 1.
Optionally, the respectively obtaining a plurality of fingerprint sampling images when the finger slides along at least two directions of the fingerprint detection area includes:
acquiring fingerprint information of an area on the finger, which is overlapped with the fingerprint detection area, as the fingerprint sampling image.
Optionally, determining, according to the plurality of fingerprint sampling images, a fingerprint entered into the electronic device includes:
determining fingerprint sampling progress in each direction according to a plurality of acquired fingerprint sampling images in the direction;
when the fingerprint sampling progress is equal to one hundred percent, determining the fingerprint to be recorded in the direction;
and determining the fingerprint input into the electronic equipment according to the fingerprint to be input in each direction.
Optionally, the method further includes:
showing a fingerprint detection area and a sliding entry area, wherein the sliding entry area is overlapped with the fingerprint detection area, and the area of the sliding entry area is larger than that of the fingerprint detection area.
According to a second aspect of the embodiments of the present disclosure, a fingerprint input device is provided, which is applied to an electronic device, where the electronic device is provided with a fingerprint detection area;
the fingerprint input device comprises:
the acquisition module is used for respectively acquiring a plurality of fingerprint sampling images when a finger slides along at least two directions of the fingerprint detection area;
and the determining module is used for determining the fingerprint input into the electronic equipment according to the plurality of fingerprint sampling images.
Optionally, the at least two directions include a first direction and a second direction, and the first direction is perpendicular to the second direction.
Optionally, the obtaining module includes:
the first acquisition unit is used for acquiring the overlapping size of the finger and the fingerprint detection area in the finger sliding process for each direction;
and the second acquisition unit is used for acquiring a first fingerprint sampling image in the corresponding direction when the ratio of the overlapping size to the corresponding size of the fingerprint detection area is greater than a first preset threshold value.
Optionally, the obtaining module includes:
the determining unit is used for determining a change value of an overlapping size in the finger sliding process according to the overlapping size of the finger and the fingerprint detection area when the previous fingerprint sampling image is acquired in each direction;
and the third acquisition unit is used for acquiring the next fingerprint sampling image when the sampling of the previous fingerprint sampling image is finished and the ratio of the change value of the overlapping size to the corresponding size of the fingerprint detection area is greater than or equal to a second preset threshold value.
Optionally, the fingerprint detection area is evenly divided into N areas along a first designated direction of the at least two directions, and when the finger slides along the first designated direction, the second preset threshold is 1/N, where N is an integer greater than 1.
Optionally, the fingerprint detection area is evenly divided into M areas along a second specified direction of the at least two directions, and when the finger slides along the second specified direction, the first preset threshold is 1/M, where M is an integer greater than 1.
Optionally, the obtaining module includes:
a fourth acquisition unit that acquires fingerprint information of an area on a finger that overlaps with the fingerprint detection area as the fingerprint sample image.
Optionally, the determining module includes:
the first determining unit is used for determining the fingerprint sampling progress in each direction according to the multiple fingerprint sampling images acquired in the direction;
the second determining unit is used for determining the fingerprint to be recorded in the direction when the fingerprint sampling progress is equal to one hundred percent;
and the third determining unit is used for determining the fingerprint input into the electronic equipment according to the fingerprint to be input in each direction.
Optionally, the method further includes:
the display module displays a sliding input area, the sliding input area is overlapped with the fingerprint detection area, and the area of the sliding input area is larger than that of the fingerprint detection area.
According to a third aspect of the embodiments of the present disclosure, there is provided a computer-readable storage medium having stored thereon computer instructions which, when executed by a processor, implement the steps of the method according to any one of the embodiments described above.
According to a fourth aspect of the embodiments of the present disclosure, there is provided an electronic device, including:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to carry out the steps of the method according to any one of the above embodiments when executed.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
according to the embodiment, the fingerprint is acquired through the sliding in at least two directions on the finger fingerprint detection area, and compared with the fingerprint input mode of single touch in the related art, the contact area between the finger and the fingerprint detection area can be increased in the sliding process, so that more fingerprint information can be acquired in the single sliding process, the fingerprint input times can be reduced in the process of acquiring the complete fingerprint, and the user experience is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a schematic structural diagram of an electronic device according to an exemplary embodiment.
FIG. 2 is a schematic cross-sectional diagram illustrating an electronic device in accordance with an exemplary embodiment.
FIG. 3 is a flowchart illustrating a method of fingerprint entry according to an example embodiment.
FIG. 4 is a flow diagram illustrating another method of fingerprint entry according to an example embodiment.
Fig. 5 is a schematic structural diagram of another electronic device shown in accordance with an example embodiment.
Fig. 6 is a schematic structural diagram of yet another electronic device shown in accordance with an example embodiment.
Fig. 7 is a schematic structural diagram illustrating yet another electronic device according to an example embodiment.
Fig. 8 is a schematic structural diagram illustrating yet another electronic device according to an example embodiment.
FIG. 9 is one of the block diagrams of a fingerprint entry device shown in accordance with one exemplary embodiment.
Figure 10 is a second block diagram illustrating a fingerprint entry device according to an exemplary embodiment.
FIG. 11 is a third block diagram illustrating a fingerprint entry device according to an exemplary embodiment.
FIG. 12 is a fourth block diagram illustrating a fingerprint entry device according to an exemplary embodiment.
FIG. 13 is a fifth block diagram illustrating a fingerprint entry device according to an exemplary embodiment.
FIG. 14 is a sixth block diagram illustrating a fingerprint entry device according to an exemplary embodiment.
FIG. 15 is a block diagram illustrating a device for fingerprint entry according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
Fig. 1 is a schematic structural diagram of an electronic device 100 shown according to an exemplary embodiment, and fig. 2 is a schematic cross-sectional diagram of the electronic device 100 shown according to an exemplary embodiment. As shown in fig. 1 and fig. 2, the electronic device 100 may include a fingerprint detection area, and specifically, the electronic device 100 may include a display panel 1 and a fingerprint sensor 2, the fingerprint sensor 2 is stacked on the display panel 1, and a fingerprint detection area 21 formed by the fingerprint sensor 2 overlaps with a portion of a display area formed by the display panel 1, so as to implement a function of fingerprint detection under a screen, which is beneficial to increase a screen occupation ratio of the electronic device 100. Based on the electronic device 100 described in the above embodiment of fig. 1 or fig. 2, the present disclosure further provides a fingerprint entry method, as shown in fig. 3, which may include the following steps:
in step 301, a plurality of fingerprint sample images while sliding along at least two directions of a fingerprint detection area are acquired, respectively.
In this embodiment, for example, the at least two directions may include a first direction and a second direction, and the first direction and the second direction may be perpendicular to each other. For example, as shown in fig. 1, the first direction and the second direction may be respectively disposed along one side edge of the electronic device 100, as shown in fig. 1, the first direction is disposed along a length direction a of the electronic device 100, and the second direction is disposed along a width direction B of the electronic device 100. Of course, in other embodiments, the first direction and the second direction may be disposed at an angle to an edge of the electronic device, and the disclosure is not limited thereto.
For each direction, in the sliding process of the finger, the overlapping size of the finger and the fingerprint detection area can be obtained, and when the ratio of the overlapping size to the fingerprint detection area is larger than a first preset threshold value, a first fingerprint sampling pattern in the corresponding direction is obtained. Optionally, the fingerprint detection area is evenly divided into M areas along a second specified direction of the at least two directions, and when the finger slides along the second specified direction, the first preset threshold is 1/M, where M is an integer greater than 1. Alternatively, the fingerprint detection area may be divided into M areas along each sliding direction. Therefore, in the present disclosure, when the finger overlaps the fingerprint detection area and the ratio of the overlapping size is greater than 1/M, the fingerprint information of the user is acquired.
Further, in each direction, a change value of the overlapping size in the finger sliding process can be determined according to the overlapping size of the finger and the fingerprint detection area when the previous fingerprint sampling image is obtained; and when the sampling of the previous first fingerprint sampling image is finished and the ratio of the change value of the overlapping size to the fingerprint detection area is greater than or equal to a second preset threshold value, acquiring the next fingerprint sampling image. Optionally, the fingerprint detection area is evenly divided into N areas along a first designated direction of the at least two directions, and when the finger slides along the first designated direction, the second preset threshold is 1/N, where N is an integer greater than 1. Alternatively, the fingerprint detection area may be divided into N areas along each sliding direction. The second preset threshold and the first preset threshold may be equal or may not be equal (i.e., M and N may be the same or different), and the disclosure is not limited thereto. Preferably, M ═ N.
In this embodiment, when the subsequent fingerprint sample image is acquired, no matter how large the overlap size between the finger and the fingerprint detection area is, fingerprint information of an area on the finger overlapping the fingerprint detection area needs to be acquired and is used as the subsequent fingerprint sample image, and when the first fingerprint sample image is acquired, when the ratio of the overlap size between the finger and the overlap area to the size of the fingerprint detection area is greater than or equal to 1/M, fingerprint information of an area on the finger overlapping the fingerprint detection area is acquired and is used as the first fingerprint sample image.
In step 302, a fingerprint entered into the electronic device is determined according to the plurality of fingerprint sampling images.
In this embodiment, taking the acquisition of the fingerprint sampling images in the first direction and the second direction as an example, the fingerprint feature of the finger in the first direction may be determined according to the multiple fingerprint sampling images in the first direction, and the fingerprint feature of the finger in the second direction may be determined according to the multiple fingerprint sampling images in the second direction, so that the fingerprint feature of the whole finger may be acquired based on the fingerprint features of the finger in the first direction and the second direction, and the fingerprint entered into the electronic device is determined.
The fingerprint sampling progress in the direction can be determined according to the multiple fingerprint sampling images acquired in all directions, when the fingerprint sampling progress is one hundred percent, the fingerprint to be recorded in the direction can be determined, and then the fingerprint to be recorded in the electronic device 100 can be determined according to the fingerprint to be recorded in all directions. After the user slides in any direction once, the fingerprint sampling progress is less than one hundred percent, the user may be prompted to slide in the same direction again to supplement fingerprint information that has not been acquired in the previous sliding process, the fingerprint sampling progress may be shown in a display area formed by the display panel 1, for example, the fingerprint sampling progress may display a percentage, or it may also display a fingerprint image, and the entered portion and the non-entered portion are distinguished by color, and of course, the fingerprint sampling progress may also be shown in other manners, which is not limited in the present disclosure.
In each of the above embodiments, a fingerprint detection area and a slide entry area may also be shown in the display area of the display panel 1, where the slide entry area overlaps with the fingerprint detection area and the area of the slide entry area is larger than the area of the fingerprint detection area. For example, when a fingerprint is entered in a first direction, the length of the slide entry area shown by the display area in the first direction may be greater than the length of the fingerprint detection area; similarly, when a fingerprint is entered in the second direction, the length of the sliding entry area shown by the display area in the second direction may be greater than the length of the fingerprint detection area; of course, in other embodiments, the area of the sliding entry area may be always larger than the area of the fingerprint detection area, and the area of the sliding entry area does not change, for example, the sliding entry area may be arranged in a cross structure, the fingerprint detection area is located in the middle of the cross structure, or the sliding entry area may be arranged in a circle, and the fingerprint detection area is located in the middle of the circle.
According to the embodiment, the fingerprint is acquired through the sliding in at least two directions on the finger fingerprint detection area, and compared with the fingerprint input mode of single touch in the related art, the contact area between the finger and the fingerprint detection area can be increased in the sliding process, so that more fingerprint information can be acquired in the single sliding process, the fingerprint input times can be reduced in the process of acquiring the complete fingerprint, and the user experience is improved.
The following will describe the above-mentioned technical solutions in detail by taking the example of sliding the finger along the first direction and the second direction of the detection area. As shown in fig. 4:
in step 401, a preset trigger operation is detected.
In this embodiment, the preset trigger operation may be used to characterize the intention of the user to enter a fingerprint. For example, when a preset virtual key of "fingerprint entry" shown in the user display area is detected, the preset trigger operation may be detected, and of course, when a preset physical key is pressed by the user, the preset trigger operation may be detected, which is not limited by the present disclosure.
In step 402, a slide entry area and a fingerprint detection area are shown in the display area formed on the display panel 1.
In this embodiment, as shown in fig. 5, the fingerprint detection area 21 may be substantially square, the sliding entry area 3 may be substantially strip-shaped, and the sliding entry area 3 covers the fingerprint detection area and the area of the sliding entry area is larger than the area of the fingerprint detection area 21, so that the user can gradually slide from one end of the sliding entry area 3 to contact with the fingerprint detection area 21 and further slide out. Therefore, the situation that the initial contact area of the user and the fingerprint detection area 21 is too large, which causes multiple sliding entries in the second direction, can be avoided.
Similarly, as shown in fig. 6, the sliding entry area 3 in the first direction also covers the fingerprint detection area 21, and the area of the sliding entry area 3 is larger than that of the fingerprint detection area 21, which is beneficial to reducing the number of sliding entries in the first direction. As shown in fig. 6, the sliding entry areas arranged along the first direction and the second direction are always displayed in the fingerprint entry process, and in another embodiment, as shown in fig. 5 and 7, the sliding entry area along the first direction may also be displayed when a fingerprint is entered in the first direction, and the sliding entry area along the second direction is displayed when a fingerprint is entered in the second direction, which is not limited by the present disclosure.
The following will exemplarily explain the fingerprint entry process in the first direction, and the fingerprint entry process in the second direction may refer to steps 403 to 413, which are not described in detail in this disclosure.
In step 403, the size of the overlap between the finger and the fingerprint detection area is determined.
In the present embodiment, when the finger slides in the first direction and after contacting the fingerprint detection area 21, there is an overlapping area 4 between the finger and the fingerprint detection area 21, and the overlapping area 4 may correspond to an overlapping size.
Still referring to fig. 7, when the fingerprint detection area 21 is square, the overlapping size may be the area of the overlapping area; in another embodiment, when the fingerprint detection area 21 is circular, the overlapping size may be the length of the overlapping area in the first direction, and of course, when the fingerprint detection area 21 is oval or other shapes, the overlapping area may be the area or the length, and may be determined according to design requirements, and the disclosure is not limited thereto.
In step 404, it is determined whether a first ratio of the overlap size to the fingerprint detection area is greater than or equal to a first preset threshold.
In this embodiment, when the first ratio of the overlap size to the fingerprint detection area size is greater than or equal to the first preset threshold, the process may proceed to step 405 and step 405, and when the first ratio of the overlap size to the fingerprint detection area size is less than the first preset threshold, the process may proceed to step 403.
For example, when the overlap size is an overlap area, when the overlap area is large and the first ratio of the area of the fingerprint detection area 21 is greater than or equal to the first preset threshold, the process may proceed to step 405 and step 405, and when the first ratio of the overlap area to the area of the fingerprint detection area 21 is smaller than the first preset threshold, the process may proceed to step 403.
The preset threshold is 1/M, where M is an integer greater than 1, and the fingerprint detection area 21 may be uniformly divided into M areas. Wherein the value of M can be preset in the electronic device
Within 100, for example, M may be 5, 6, 7, or 8, etc., and the disclosure is not limited.
In step 405, a sample image of the fingerprint in a first direction is acquired.
In this embodiment, after detecting that the proportion of the overlapping area is greater than the first preset threshold, the fingerprint sensor 3 may be started, and the light spot corresponding to the repeat area is drawn, thereby realizing optical fingerprint sampling.
In step 406, it is determined whether the fingerprint sampling process for the fingerprint sample image is complete.
In this embodiment, when the fingerprint sampling process for the fingerprint sample image is completed, the process proceeds to step 409, and when the fingerprint sampling process for the fingerprint sample image is not completed, the process proceeds to step 405.
In step 407, the change in the size of the overlap of the finger during the swipe is determined.
In step 408, it is determined whether a second ratio of the variation value of the overlap size to the fingerprint detection area size is greater than a second preset threshold.
In this embodiment, when the second ratio of the variation of the overlap size to the size of the fingerprint detection area is greater than or equal to the second preset threshold, the step 409 is performed, and when the second ratio of the variation of the overlap size to the size of the fingerprint detection area is smaller than the second preset threshold, the step 407 is performed.
In step 409, it is determined whether the first ratio of the overlap size to the fingerprint detection area is less than a first preset threshold.
In this embodiment, when the fingerprint sampling process for the fingerprint sampling image is completed and the second ratio of the variation value of the overlap size to the fingerprint detection area 21 is greater than or equal to the first preset threshold, step 409 may be performed. It will be appreciated that when the finger is slid from top to bottom in the first direction as shown in figure 7, the overlap with the fingerprint detection area 21 should increase slowly to a maximum, then decrease slowly and finally exit the fingerprint detection area 21. Therefore, when the first ratio of the overlap size to the fingerprint detection area is still greater than or equal to the first preset threshold, step 405 and step 407 may be performed to obtain the next fingerprint sample image, and when the first ratio of the overlap size to the fingerprint detection area is less than the first preset threshold, it may be considered that the finger has completed one sliding process and is about to exit or has exited the fingerprint detection area, and step 410 may be performed.
Taking the example that the fingerprint detection area 21 is divided into 8 equal parts, and the first preset threshold and the second preset threshold are both 1/8, when the ratio of the overlapping area of the finger and the fingerprint detection area to the area of the fingerprint detection area 21 is greater than 1/8, the fingerprint sensor 2 may acquire the fingerprint information corresponding to the overlapping area; and, in the process of sampling the fingerprint, the finger continues to slide along the first direction, and the electronic device 100 may acquire a variation value of the overlapping area. Assuming that when the fingerprint sampling is completed, the ratio of the variation value of the overlapped area to the area of the fingerprint detection area 21 is less than 1/8, the fingerprint sensor does not perform fingerprint sampling at this time, and the next fingerprint sampling is performed as the finger slides until the variation value of the overlapped area is more than 1/8. Or, in another case, when the ratio of the variation value of the overlapping area to the area of the fingerprint detection area 21 is greater than 1/8, for example, 3/8, when the fingerprint sampling is completed, the next fingerprint sampling can be directly performed to acquire the next fingerprint sampling image.
It should be noted that: in this embodiment, the first preset threshold and the second preset threshold in step 404, step 408 and step 409 may be equal, and certainly, in other embodiments, the first preset threshold and the second preset threshold in step 404, step 408 and step 409 may also be different, and the disclosure does not limit the present disclosure.
In step 410, a fingerprint sampling progress is determined.
In this embodiment, the progress of fingerprint sampling in the first direction may be determined according to the fingerprint sampling image acquired in the first direction. Also, as shown in fig. 8, the fingerprint sampling progress may be shown in the display area, facilitating the user to know the current entry progress.
For example, still taking the example that the fingerprint detection area 21 is divided into 8 equal parts, and the first preset threshold and the second preset threshold are both 1/8, assuming that the finger slides at a constant speed, and the duration of each fingerprint sampling can make the ratio of the change value of the overlapping area to the area of the fingerprint detection area 21 change by 1/8, then 16 fingerprint sampling images can be acquired in one sliding process, and the electronic device can extract feature points according to the 16 fingerprint sampling images to determine the progress of fingerprint sampling in the first direction. It will be appreciated, of course, that the user is typically not constant during the finger swipe, and that the ratio of the change in overlap area to the area of the fingerprint detection region 21 may not change by 1/8 for the duration of each fingerprint sample, resulting in less than 16 fingerprint sample images being acquired during the swipe. Therefore, it can be considered that the fingerprint sampling efficiency, the sliding speed of the user, and the values of the first preset threshold and the second preset threshold all determine the number of fingerprint sampling images that can be acquired in one sliding process, and therefore the number of sampling images that can be acquired in a single sliding process is not limited by the present disclosure.
In step 411, it is determined whether the fingerprint sampling progress is one hundred percent.
In this embodiment, when the fingerprint sampling progress is one hundred percent, the process proceeds to step 413, and when the fingerprint sampling progress is less than one hundred percent, the process proceeds to step 412.
In step 412, the user is prompted to slide the input again in the first direction.
In this embodiment, as shown in fig. 8, a text message "please input again in the same direction" may be shown in the display area of the display panel to prompt the user to slide again in the first direction. In other embodiments, the user may also be prompted by blinking an area disposed along the first direction, or may also be a motion picture showing a virtual finger sliding along the first direction, and the disclosure is not limited thereto.
In step 413, the process ends.
Corresponding to the embodiment of the fingerprint input method, the disclosure also provides an embodiment of a fingerprint input device.
FIG. 9 is one of the block diagrams of a fingerprint entry device shown in accordance with one exemplary embodiment. The device is applied to electronic equipment, and the electronic equipment is provided with a fingerprint detection area; referring to fig. 9, the apparatus includes an obtaining module 901 and a determining module 902, wherein:
the acquiring module 901 acquires a plurality of fingerprint sampling images when a finger slides along at least two directions of a fingerprint detection area respectively.
The determining module 902 determines the fingerprint input into the electronic device according to the plurality of fingerprint sampling images.
Optionally, the at least two directions include a first direction and a second direction, and the first direction is perpendicular to the second direction.
As shown in fig. 10, fig. 10 is a second block diagram of a fingerprint entering apparatus according to an exemplary embodiment, which is based on the foregoing embodiment shown in fig. 9, and the apparatus further includes an obtaining module 901 including a first obtaining unit 9011 and a second obtaining unit 9012, where:
a first acquiring unit 9011, configured to acquire, for each direction, an overlapping size of the finger and the fingerprint detection area during a finger sliding process;
and the second obtaining unit 9012 is configured to obtain a first fingerprint sample image in the corresponding direction when a ratio of the overlapping size to the corresponding size of the fingerprint detection area is greater than a first preset threshold.
As shown in fig. 11, fig. 11 is a third block diagram of a fingerprint entry apparatus according to an exemplary embodiment, where the acquiring module 901 further includes a determining unit 9013 and a third acquiring unit 9014 based on the foregoing embodiment shown in fig. 9, where:
the determining unit 9013 determines, in each direction, a change value of an overlap size in the finger sliding process according to the overlap size of the finger and the fingerprint detection area when the previous fingerprint sampling image is acquired.
And the third obtaining unit 9014 is configured to obtain the next fingerprint sampling image when the sampling of the previous fingerprint sampling image is completed and the ratio of the variation value of the overlapping size to the corresponding size of the fingerprint detection area is greater than or equal to a second preset threshold value.
It should be noted that the structures of the determining unit 9013 and the obtaining unit 9014 in the apparatus embodiment shown in fig. 11 may also be included in the apparatus embodiment shown in fig. 10.
Optionally, the fingerprint detection area is evenly divided into N areas along a first designated direction of the at least two directions, and when the finger slides along the first designated direction, the second preset threshold is 1/N, where N is an integer greater than 1.
Optionally, the fingerprint detection area is evenly divided into M areas along a second specified direction of the at least two directions, and when the finger slides along the second specified direction, the first preset threshold is 1/M, where M is an integer greater than 1.
As shown in fig. 12, fig. 12 is a fourth block diagram of a fingerprint entering device according to an exemplary embodiment, based on the foregoing embodiment shown in fig. 9, where the acquiring module 901 includes:
a fourth acquisition unit 9015 acquires fingerprint information of an area on a finger that overlaps with the fingerprint detection area, as the fingerprint sample image.
It should be noted that the structure of the fourth obtaining unit 9015 in the apparatus embodiment shown in fig. 12 may be included in the apparatus embodiment shown in fig. 10 or fig. 11, and the present disclosure is not limited thereto.
As shown in fig. 13, fig. 13 is a fifth block diagram of a fingerprint entry apparatus according to an exemplary embodiment, which is based on the foregoing embodiment shown in fig. 9, and includes a first determining unit 9021, a second determining unit 9022 and a third determining unit 9023 according to the determining module 902, wherein:
the first determining unit 9021 determines a fingerprint sampling progress in each direction according to the multiple fingerprint sampling images acquired in the direction.
And the second determining unit 9022 determines the fingerprint to be recorded in the direction when the fingerprint sampling progress is equal to one hundred percent.
And the third determining unit 9023 is configured to determine the fingerprint input into the electronic device according to the fingerprint to be input in each direction.
It should be noted that the first determination unit 9021, the second determination unit 9022, and the third determination unit 9023 in the apparatus embodiment shown in fig. 13 may also be included in the apparatus embodiment shown in any one of fig. 10 to 12, and the present disclosure is not limited thereto.
As shown in fig. 14, fig. 14 is a block diagram of a fingerprint input device according to an exemplary embodiment, which is based on the foregoing embodiment shown in fig. 9, and the device further includes:
the display module 903 displays a sliding entry area, wherein the sliding entry area is overlapped with the fingerprint detection area, and the area of the sliding entry area is larger than that of the fingerprint detection area.
It is noted that the display module 905 in the embodiment of the apparatus shown in fig. 14 may also be included in the embodiment of the apparatus in any one of fig. 10 to 13,
with regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.
For the device embodiments, since they substantially correspond to the method embodiments, reference may be made to the partial description of the method embodiments for relevant points. The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the disclosed solution. One of ordinary skill in the art can understand and implement it without inventive effort.
Correspondingly, the present disclosure also provides a fingerprint input device, which is applied to an electronic device, wherein the electronic device includes a display panel and a fingerprint sensor, the fingerprint sensor and the display panel are stacked, and the fingerprint sensor is used for forming a fingerprint detection area; the method comprises the following steps: a processor; a memory for storing processor-executable instructions; wherein the processor is configured to: respectively acquiring a plurality of fingerprint sampling images when a finger slides along at least two directions of a fingerprint detection area; and determining the fingerprint input into the electronic equipment according to the plurality of fingerprint sampling images.
Correspondingly, the present disclosure further provides a terminal, which includes a display panel and a fingerprint sensor, wherein the fingerprint sensor and the display panel are stacked, and the fingerprint sensor is used for forming a fingerprint detection area; the terminal includes a memory, and one or more programs, wherein the one or more programs are stored in the memory and configured for execution by the one or more processors to include instructions for: respectively acquiring a plurality of fingerprint sampling images when a finger slides along at least two directions of a fingerprint detection area; and determining the fingerprint input into the electronic equipment according to the plurality of fingerprint sampling images.
FIG. 15 is a block diagram illustrating an apparatus 1500 for fingerprint entry according to an example embodiment. For example, the apparatus 1500 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, an exercise device, a personal digital assistant, and the like.
Referring to fig. 15, apparatus 1500 may include one or more of the following components: processing components 1502, memory 1504, power components 1506, multimedia components 1508, audio components 1510, input/output (I/O) interfaces 1512, sensor components 1514, and communication components 1516.
The processing component 1502 generally controls overall operation of the device 1500, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing components 1502 may include one or more processors 1520 executing instructions to perform all or a portion of the steps of the methods described above. Further, processing component 1502 may include one or more modules that facilitate interaction between processing component 1502 and other components. For example, processing component 1502 may include a multimedia module to facilitate interaction between multimedia component 1508 and processing component 1502.
The memory 1504 is configured to store various types of data to support operations at the apparatus 1500. Examples of such data include instructions for any application or method operating on the device 1500, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 1504 may be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
The power supply component 1506 provides power to the various components of the device 1500. The power components 1506 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the apparatus 1500.
The multimedia component 1508 includes a screen that provides an output interface between the device 1500 and a user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, multimedia component 1508 includes a front facing camera and/or a rear facing camera. The front camera and/or the rear camera may receive external multimedia data when the apparatus 1500 is in an operation mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
The audio component 1510 is configured to output and/or input audio signals. For example, the audio component 1510 includes a Microphone (MIC) configured to receive external audio signals when the apparatus 1500 is in an operating mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in the memory 1504 or transmitted via the communication component 1516. In some embodiments, audio component 1510 also includes a speaker for outputting audio signals.
The I/O interface 1512 provides an interface between the processing component 1502 and peripheral interface modules, which can be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.
The sensor assembly 1514 includes one or more sensors for providing status assessment of various aspects of the apparatus 1500. For example, the sensor assembly 1514 can detect an open/closed state of the device 1500, the relative positioning of components, such as a display and keypad of the device 1500, the sensor assembly 1514 can also detect a change in position of the device 1500 or a component of the device 1500, the presence or absence of user contact with the device 1500, orientation or acceleration/deceleration of the device 1500, and a change in temperature of the device 1500. The sensor assembly 1514 may include a proximity sensor configured to detect the presence of a nearby object without any physical contact. The sensor assembly 1514 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 1514 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 1516 is configured to facilitate wired or wireless communication between the apparatus 1500 and other devices. The apparatus 1500 may access a wireless network based on a communication standard, such as WiFi, 2G or 3G, 4G LTE, 5G NR, or a combination thereof. In an exemplary embodiment, the communication component 1516 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 1516 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the apparatus 1500 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components for performing the above-described methods.
In an exemplary embodiment, a non-transitory computer readable storage medium comprising instructions, such as the memory 1504 comprising instructions, executable by the processor 1520 of the apparatus 1500 to perform the above-described method is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (20)
1. A fingerprint input method is characterized by being applied to electronic equipment, wherein the electronic equipment is provided with a fingerprint detection area;
the fingerprint input method comprises the following steps:
respectively acquiring a plurality of fingerprint sampling images when a finger slides along at least two directions of a fingerprint detection area;
and determining the fingerprint input into the electronic equipment according to the plurality of fingerprint sampling images.
2. The fingerprint entry method of claim 1, wherein the at least two directions comprise a first direction and a second direction, the first direction being perpendicular to the second direction.
3. The fingerprint entry method according to claim 1, wherein the separately acquiring a plurality of fingerprint sample images while the finger is sliding along at least two directions of the fingerprint detection area comprises:
for each direction, acquiring the overlapping size of the finger and the fingerprint detection area in the finger sliding process;
and when the ratio of the overlapping size to the corresponding size of the fingerprint detection area is larger than a first preset threshold value, acquiring a first fingerprint sampling image in the corresponding direction.
4. A fingerprint entry method according to any one of claims 1 to 3 wherein said separately acquiring a plurality of fingerprint sample images as the finger is slid along at least two directions of the fingerprint detection area comprises:
in each direction, determining a change value of an overlapping size in the sliding process of the finger according to the overlapping size of the finger and the fingerprint detection area when the previous fingerprint sampling image is obtained;
and when the sampling of the previous fingerprint sampling image is finished and the ratio of the change value of the overlapped size to the corresponding size of the fingerprint detection area is greater than or equal to a second preset threshold value, acquiring the next fingerprint sampling image.
5. The fingerprint entry method according to claim 4, wherein the fingerprint detection area is uniformly divided into N areas along a first specified direction of the at least two directions, and the second preset threshold is 1/N when the finger slides along the first specified direction, where N is an integer greater than 1.
6. The fingerprint entry method according to claim 3, wherein the fingerprint detection area is evenly divided into M areas along a second specified direction of the at least two directions, and the first preset threshold value is 1/M, where M is an integer greater than 1, when the finger slides along the second specified direction.
7. A fingerprint entry method according to any of claims 1 to 3 and 5 to 6 wherein said separately acquiring a plurality of fingerprint sample images as the finger is slid along at least two directions of the fingerprint detection area comprises:
acquiring fingerprint information of an area on the finger, which is overlapped with the fingerprint detection area, as the fingerprint sampling image.
8. The fingerprint entry method of claim 1, wherein determining the fingerprint entered into the electronic device from the plurality of fingerprint sample images comprises:
determining fingerprint sampling progress in each direction according to a plurality of acquired fingerprint sampling images in the direction;
when the fingerprint sampling progress is equal to one hundred percent, determining the fingerprint to be recorded in the direction;
and determining the fingerprint input into the electronic equipment according to the fingerprint to be input in each direction.
9. The fingerprint entry method of claim 1, further comprising:
and showing a sliding entry area, wherein the sliding entry area is overlapped with the fingerprint detection area, and the area of the sliding entry area is larger than that of the fingerprint detection area.
10. A fingerprint input device is characterized by being applied to electronic equipment, wherein the electronic equipment is provided with a fingerprint detection area;
the fingerprint input device comprises:
the acquisition module is used for respectively acquiring a plurality of fingerprint sampling images when a finger slides along at least two directions of the fingerprint detection area;
and the determining module is used for determining the fingerprint input into the electronic equipment according to the plurality of fingerprint sampling images.
11. The fingerprint entry device of claim 10, wherein the at least two directions comprise a first direction and a second direction, the first direction being perpendicular to the second direction.
12. The fingerprint entry device of claim 10, wherein the acquisition module comprises:
the first acquisition unit is used for acquiring the overlapping size of the finger and the fingerprint detection area in the finger sliding process for each direction;
and the second acquisition unit is used for acquiring a first fingerprint sampling image in the corresponding direction when the ratio of the overlapping size to the corresponding size of the fingerprint detection area is greater than a first preset threshold value.
13. The fingerprint entry device of any one of claims 10-12, wherein the acquisition module comprises:
the determining unit is used for determining a change value of an overlapping size in the finger sliding process according to the overlapping size of the finger and the fingerprint detection area when the previous fingerprint sampling image is acquired in each direction;
and the third acquisition unit is used for acquiring the next fingerprint sampling image when the sampling of the previous fingerprint sampling image is finished and the ratio of the change value of the overlapping size to the corresponding size of the fingerprint detection area is greater than or equal to a second preset threshold value.
14. The fingerprint entry device of claim 13, wherein the fingerprint detection area is evenly divided into N areas along a first designated direction of the at least two directions, and the second preset threshold is 1/N with a finger sliding along the first designated direction, where N is an integer greater than 1.
15. The fingerprint entry device of claim 12, wherein the fingerprint detection area is evenly divided into M areas along a second designated direction of the at least two directions, the first preset threshold being 1/M where a finger slides along the second designated direction, M being an integer greater than 1.
16. The fingerprint entry device of any one of claims 10-12 and 14-15, wherein the acquisition module comprises:
a fourth acquisition unit that acquires fingerprint information of an area on a finger that overlaps with the fingerprint detection area as the fingerprint sample image.
17. The fingerprint entry device of claim 10, wherein the determination module comprises:
the first determining unit is used for determining the fingerprint sampling progress in each direction according to the multiple fingerprint sampling images acquired in the direction;
the second determining unit is used for determining the fingerprint to be recorded in the direction when the fingerprint sampling progress is equal to one hundred percent;
and the third determining unit is used for determining the fingerprint input into the electronic equipment according to the fingerprint to be input in each direction.
18. The fingerprint entry device of claim 10, further comprising:
the display module displays a sliding input area, the sliding input area is overlapped with the fingerprint detection area, and the area of the sliding input area is larger than that of the fingerprint detection area.
19. A computer-readable storage medium having stored thereon computer instructions, which, when executed by a processor, carry out the steps of the method according to any one of claims 1-9.
20. An electronic device, comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to perform the steps of the method according to any one of claims 1-9 when executed.
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