CN112580387B - Fingerprint input method and device and electronic equipment - Google Patents
Fingerprint input method and device and electronic equipment Download PDFInfo
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- CN112580387B CN112580387B CN201910922787.XA CN201910922787A CN112580387B CN 112580387 B CN112580387 B CN 112580387B CN 201910922787 A CN201910922787 A CN 201910922787A CN 112580387 B CN112580387 B CN 112580387B
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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
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Abstract
The disclosure relates to a fingerprint input method and device and electronic equipment. The fingerprint input method is applied to the 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 fingerprint sampling images.
Description
Technical Field
The disclosure relates to the technical field of terminals, and in particular relates to a fingerprint input method and device and electronic equipment.
Background
Currently, some electronic devices on the market are already configured with an under-screen fingerprint technology, so that the fingerprint module is prevented from occupying the front area of the electronic device, and the screen occupation ratio is improved. But when the current on-screen fingerprint technology is used for inputting a matched fingerprint, the fingerprint is normally input by touching a finger with a light spot area, and because the area of single contact between the finger and the light spot area is small, the single input of fingerprint information is less, so that the user is required to input multiple times in the process of inputting the whole complete fingerprint, and the user can input even twenty times, so that the operation is complicated and the experience is poor.
Disclosure of Invention
The disclosure provides a fingerprint input method and device and electronic equipment, and aims to solve the defects in the related art.
According to a first aspect of embodiments of the present disclosure, there is provided a fingerprint input method, the electronic device being 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 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 acquiring the 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 acquiring the plurality of fingerprint sampling images when the finger slides along at least two directions of the fingerprint detection area includes:
In each direction, determining the change value of the 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;
And acquiring a subsequent fingerprint sampling image when the previous fingerprint sampling image is completely sampled and the ratio of the variation value of the overlapping size to the corresponding size of the fingerprint detection area is larger than or equal to a second preset threshold value.
Optionally, the acquiring the subsequent fingerprint sampling image includes:
And acquiring fingerprint information of an area, which is overlapped with the fingerprint detection area, of the finger to serve as the next fingerprint sampling image.
Optionally, the fingerprint detection area is uniformly divided into N areas along a first designated direction of the at least two directions, and the second preset threshold is 1/N and N is an integer greater than 1 when the finger slides along the first designated direction.
Optionally, the fingerprint detection area is uniformly divided into M areas along a second designated direction of the at least two directions, and in the case that the finger slides along the second designated direction, the first preset threshold is 1/M, and M is an integer greater than 1.
Optionally, the acquiring the plurality of fingerprint sampling images when the finger slides along at least two directions of the fingerprint detection area includes:
And acquiring fingerprint information of an area, which is overlapped with the fingerprint detection area, of the finger to serve as the fingerprint sampling image.
Optionally, determining a fingerprint recorded in the electronic device according to the plurality of fingerprint sampling images includes:
Determining the fingerprint sampling progress in each direction according to a plurality of fingerprint sampling images acquired in the direction;
when the fingerprint sampling progress is equal to one hundred percent, determining a fingerprint to be input in the direction;
And determining the fingerprint input into the electronic equipment according to the fingerprints to be input in all directions.
Optionally, the method further comprises:
A fingerprint detection area and a sliding entry area are shown, the sliding entry area overlapping the fingerprint detection area and the area of the sliding entry area being larger than the area of the fingerprint detection area.
According to a second aspect of embodiments of the present disclosure, there is provided a fingerprint input device for application to an electronic apparatus 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 the 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 acquiring module includes:
the first acquisition unit acquires the overlapping size of the finger and the fingerprint detection area in the finger sliding process for all directions;
And the second acquisition unit acquires 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 larger than a first preset threshold value.
Optionally, the acquiring module includes:
a determining unit for determining a change value of the 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 acquires a subsequent fingerprint sampling image when the previous fingerprint sampling image is completely sampled 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.
Optionally, the fingerprint detection area is uniformly divided into N areas along a first designated direction of the at least two directions, and the second preset threshold is 1/N and N is an integer greater than 1 when the finger slides along the first designated direction.
Optionally, the fingerprint detection area is uniformly divided into M areas along a second designated direction of the at least two directions, and in the case that the finger slides along the second designated direction, the first preset threshold is 1/M, and M is an integer greater than 1.
Optionally, the acquiring module includes:
and a fourth acquisition unit that acquires fingerprint information of an area overlapping the fingerprint detection area on the finger as the fingerprint sampling image.
Optionally, according to the determining module, the method includes:
a first determining unit that determines a fingerprint sampling progress in each direction based on a plurality of fingerprint sampling images acquired in the direction;
A second determining unit that determines a fingerprint to be entered 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 fingerprints to be input in all directions.
Optionally, the method further comprises:
A module is shown showing a sliding entry region that overlaps the fingerprint detection region and has an area that is greater than an area of the fingerprint detection region.
According to a third aspect of the disclosed embodiments, there is provided a computer readable storage medium having stored thereon computer instructions which when executed by a processor perform the steps of the method according to any of the embodiments described above.
According to a fourth aspect of 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 perform the steps of the method according to any of the embodiments described above.
The technical scheme provided by the embodiment of the disclosure can comprise the following beneficial effects:
according to the embodiment, the fingerprint is acquired through sliding in at least two directions on the fingerprint detection area of the finger, and compared with a 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 disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a schematic diagram of an electronic device according to an exemplary embodiment.
Fig. 2 is a schematic cross-sectional view of an electronic device, according to an example embodiment.
Fig. 3 is a flow chart illustrating a fingerprint entry method according to an exemplary embodiment.
Fig. 4 is a flowchart illustrating another fingerprint entry method according to an exemplary embodiment.
Fig. 5 is a schematic diagram of a structure of another electronic device, which is shown according to an exemplary embodiment.
Fig. 6 is a schematic structural diagram of yet another electronic device, according to an example embodiment.
Fig. 7 is a schematic structural view of still another electronic device, which is shown according to an exemplary embodiment.
Fig. 8 is a schematic structural view of still another electronic device, according to an exemplary embodiment.
Fig. 9 is one of the block diagrams of a fingerprint-entry device, shown in accordance with an exemplary embodiment.
Fig. 10 is a second block diagram of a fingerprint-entry device, shown in accordance with an exemplary embodiment.
FIG. 11 is a third block diagram of a fingerprint-entry device, shown in accordance with an exemplary embodiment.
Fig. 12 is a fourth block diagram of a fingerprint-entry device, shown in accordance with an exemplary embodiment.
Fig. 13 is a fifth block diagram of a fingerprint-entry device, shown in accordance with an exemplary embodiment.
Fig. 14 is a block diagram of a fingerprint-entry device, shown in accordance with an exemplary embodiment.
Fig. 15 is a block diagram illustrating a device for fingerprint entry, according to an example embodiment.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the application. Rather, they are merely examples of apparatus and methods consistent with aspects of the application as detailed in the accompanying 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 specification 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 or all possible combinations of one or more of the associated listed items.
It should be understood that although the terms first, second, third, etc. may be used herein to describe various information, these information should not be limited by 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 application. The word "if" as used herein may be interpreted as "at … …" or "at … …" or "in response to a determination" depending on the context.
Fig. 1 is a schematic structural view of an electronic device 100 according to an exemplary embodiment, and fig. 2 is a schematic sectional view of the electronic device 100 according to an exemplary embodiment. As shown in fig. 1 and 2, the electronic device 100 may include a fingerprint detection area, specifically, the electronic device 100 may include a display panel 1 and a fingerprint sensor 2, where the fingerprint sensor 2 is stacked with the display panel 1, and the fingerprint detection area 21 formed by the fingerprint sensor 2 overlaps a portion of the display area formed by the display panel 1, so as to implement an under-screen fingerprint detection function, which is beneficial to increasing the screen duty ratio of the electronic device 100. Based on the electronic device 100 described in the embodiment of fig. 1 or fig. 2, the disclosure further provides a fingerprint input method, as shown in fig. 3, which may include the following steps:
In step 301, a plurality of fingerprint sample images are acquired while sliding along at least two directions of a fingerprint detection area, 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 provided along one side edge of the electronic device 100, as in fig. 1, the first direction is provided along a length direction a of the electronic device 100, and the second direction is provided along a width direction B of the electronic device 100. Of course, in other embodiments, the first direction and the second direction may also be disposed at an angle with respect to an edge of the electronic device, which is not limited by the disclosure.
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 greater than a first preset threshold value, a first fingerprint sampling pattern in the corresponding direction is obtained. Optionally, the fingerprint detection area is uniformly divided into M areas along a second designated direction of the at least two directions, and when the finger slides along the second designated direction, the first preset threshold is 1/M, and M is an integer greater than 1. Alternatively, the fingerprint detection area may be divided into M areas along each sliding direction. Therefore, the fingerprint information of the user is not acquired until the finger is overlapped with the fingerprint detection area and the ratio of the overlapped size is greater than 1/M in the present disclosure.
Further, in each direction, the 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 acquired; and acquiring a subsequent fingerprint sampling image when the previous first fingerprint sampling image is completely sampled and the ratio of the variation value of the overlapping size to the fingerprint detection area is greater than or equal to a second preset threshold value. Optionally, the fingerprint detection area is uniformly divided into N areas along a first designated direction of the at least two directions, and the second preset threshold is 1/N and N is an integer greater than 1 when the finger slides along the first designated direction. 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 or may not be equal (i.e., M and N may be the same or different), and the present disclosure is not limited. Preferably, m=n.
In this embodiment, when acquiring the subsequent fingerprint sample image, no matter what the overlapping 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 this is taken as the subsequent fingerprint sample image, and when acquiring the first fingerprint sample image, when the ratio of the overlapping size between the finger and the overlapping area to the fingerprint detection area size is satisfied to be greater than or equal to 1/M, fingerprint information of an area on the finger overlapping the fingerprint detection area is acquired, which is taken as the first fingerprint sample image.
In step 302, a fingerprint entered into the electronic device is determined from the plurality of fingerprint sample images.
In this embodiment, taking the example of acquiring the fingerprint sampling images in the first direction and the second direction, the fingerprint characteristics of the finger in the first direction may be determined according to the plurality of fingerprint sampling images in the first direction, and the fingerprint characteristics of the finger in the second direction may be determined according to the plurality of fingerprint sampling images in the second direction, so that the fingerprint characteristics of the entire finger may be acquired based on the fingerprint characteristics of the finger in the first direction and the second direction, thereby determining the fingerprint input to the electronic device.
The fingerprint sampling progress in each direction may be determined according to a plurality of fingerprint sampling images acquired in the direction, a fingerprint to be recorded in the direction may be determined when the fingerprint sampling progress is one hundred percent, and then a fingerprint to be recorded in the electronic device 100 may be determined according to the fingerprint to be recorded in each direction. When the user slides once in any direction, the user may be prompted to slide again in the same direction to supplement the fingerprint information that was not obtained in the previous sliding process, and the fingerprint sampling progress may be displayed in the display area formed by the display panel 1, for example, it may display a percentage, or it may display a fingerprint image, and distinguish the recorded portion from the non-recorded portion by color, or may display the fingerprint sampling progress in other manners, which is not limited in the present disclosure.
In the above-described respective embodiments, it is also possible to show a fingerprint detection area and a slide entry area in the display area of the display panel 1, the slide entry area overlapping the fingerprint detection area and the area of the slide entry area being larger than the area of the fingerprint detection area. For example, when a fingerprint is entered in a first direction, the length of the sliding entry area shown in 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 in 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 input area is always larger than that of the fingerprint detection area and the area of the sliding input area is not changed, for example, the sliding input area may be arranged in a cross structure, the fingerprint detection area is located in the middle of the cross structure, or the sliding input 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 sliding in at least two directions on the fingerprint detection area of the finger, and compared with a 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 above-described technical solution will be described in detail below 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 user's intention to enter a fingerprint. For example, when a preset virtual key of "fingerprint input" shown in the user display area is detected, it may be considered that a preset trigger operation is detected, or of course, when a user presses a preset physical key, it may be considered that a preset trigger operation is detected, which is not limited in the present disclosure.
In step 402, a slide entry region and a fingerprint detection region are shown in a display region formed by 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 bar-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 may gradually slide from one end of the sliding entry area 3 to contact the fingerprint detection area 21, and further slide out. Thereby, it is possible to avoid that the initial contact area of the user with the fingerprint detection area 21 is too large, resulting in a plurality of sliding entries in the second direction.
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 the fingerprint detection area 21, which is advantageous in reducing the number of sliding entries in the first direction. As shown in fig. 6, the sliding entry area disposed along the first direction and the second direction is always displayed during the fingerprint entry process, and in another embodiment, as shown in fig. 5 and 7, the sliding entry area along the first direction may be displayed when the fingerprint is entered in the first direction, and the sliding entry area along the second direction may be displayed when the fingerprint is entered in the second direction, which is not limited by the present disclosure.
The fingerprint-entry process in the first direction will be exemplarily described below, and the fingerprint-entry process in the second direction may refer to steps 403-413, 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 this embodiment, when the finger slides in the first direction and after coming into contact with the fingerprint detection area 21, there is naturally an overlap area 4 between the finger and the fingerprint detection area 21, the overlap area 4 may correspond to an overlap dimension.
Still referring to fig. 7, when the fingerprint detection area 21 is square, the overlap size may overlap the area of the area; in another embodiment, when the fingerprint detection area 21 is circular, the overlapping dimension may be the length of the overlapping area in the first direction, and of course, when the fingerprint detection area 21 is elliptical or otherwise, the overlapping area may be the area or length, which may be specifically determined by design requirements, and the disclosure is not limited.
In step 404, it is determined whether the first ratio of the overlapping 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 overlapping size to the fingerprint detection area size is greater than or equal to the first preset threshold, step 405 and step 405 may be performed, and when the first ratio of the overlapping size to the fingerprint detection area size is less than the first preset threshold, step 403 may be performed.
For example, when the overlapping size is an overlapping area, step 405 and step 405 may be performed when the first ratio of the overlapping area to the area of the fingerprint detection area 21 is greater than or equal to a first preset threshold, and step 403 may be performed when the first ratio of the overlapping area to the area of the fingerprint detection area 21 is less than the first preset threshold.
Wherein 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 equipment
Within 100, for example, M may be 5, 6, 7, 8, etc., and the present disclosure is not limited.
In step 405, a fingerprint sample image 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 repeated area is drawn, so as to implement optical fingerprint sampling.
In step 406, it is determined whether the fingerprint sampling process for the fingerprint sampled image is complete.
In the present embodiment, when the fingerprint sampling process for the fingerprint sampling image is completed, the process proceeds to step 409, and when the fingerprint sampling process for the fingerprint sampling image is not completed, the process proceeds to step 405.
In step 407, the value of the change in the overlap dimension of the finger during the sliding is determined.
In step 408, it is determined whether a second ratio of the variation value of the overlapping size to the size of the fingerprint detection area is greater than a second preset threshold.
In this embodiment, when the second ratio of the variation value of the overlapping size to the size of the fingerprint detection area is greater than or equal to the second preset threshold, step 409 is shifted, and when the second ratio of the variation value of the overlapping size to the size of the fingerprint detection area is less than the second preset threshold, step 407 is shifted.
In step 409, it is determined whether the first ratio of the overlapping size to the fingerprint detection area is less than a first preset threshold.
In the present embodiment, when the fingerprint sampling process for the fingerprint sampling image is completed and the second ratio of the variation value of the overlapping size to the fingerprint detection area 21 is greater than or equal to the first preset threshold value, step 409 may be performed. It will be appreciated that when the finger is slid from top to bottom in a first direction as shown in fig. 7, the overlap area with the fingerprint detection area 21 should increase slowly as it increases to a maximum and then decrease slowly and finally exit the fingerprint detection area 21. Therefore, when the first ratio of the overlapping size to the fingerprint detection area is still greater than or equal to the first preset threshold, steps 405 and 407 may be performed to obtain the next fingerprint sampling image, and when the first ratio of the overlapping size to the fingerprint detection area is less than the first preset threshold, it may be considered that the finger has completed a sliding process and is about to exit or then and has exited the fingerprint detection area, 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 value and the second preset threshold value 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 can acquire the fingerprint information corresponding to the overlapping area; and, during sampling of the fingerprint, the finger continues to slide along the first direction, and the electronic device 100 may obtain a variation value of the overlapping area. It is assumed that when the fingerprint sampling is completed, the ratio of the change value of the overlapping area to the area of the fingerprint detection area 21 is less than 1/8, then the fingerprint sensor does not perform fingerprint sampling at this time, and the next fingerprint sampling is performed as the finger slides until the change value of the overlapping area is greater than 1/8. Or in another case, when the fingerprint sampling is completed, 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, the next fingerprint sampling can be directly performed to obtain the fingerprint sampling image of the next sheet.
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, or in other embodiments, the first preset threshold and the second preset threshold in step 404, step 408, and step 409 may be different, which is not limited by the present disclosure.
In step 410, a fingerprint sampling schedule is determined.
In this embodiment, the fingerprint sampling progress in the first direction may be determined from the fingerprint sampling image acquired in the first direction. And, as shown in fig. 8, the fingerprint sampling progress may be shown in a display area, so that the user can know the current recording progress conveniently.
For example, taking the example that the fingerprint detection area 21 is divided into 8 equal divisions 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 change the ratio of the change value of the overlapping area to the area of the fingerprint detection area 21 by 1/8, then 16 fingerprint sampling images can be obtained in one sliding process, and the electronic device can determine the fingerprint sampling progress in the first direction according to the extracted feature points of the 16 fingerprint sampling images. Of course, it will be appreciated that the user is typically non-uniform during finger sliding, and that the ratio of the change in the overlap area to the change in the area of the fingerprint detection area 21 may not be 1/8 of the duration of each fingerprint sample, thus resulting in less than 16 fingerprint sample images being acquired during such sliding. Therefore, it can be considered that the fingerprint sampling efficiency, the sliding speed of the user, the values of the first preset threshold and the second preset threshold all determine the number of the fingerprint sampling images that can be acquired in one sliding process, and thus the number of the sampling images that can be acquired in a single sliding process is not limited in the 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, text information of "please input again in the same direction" may be displayed in the display area of the display panel to prompt the user to slide input again in the first direction. In other embodiments, the area set along the first direction may be flashed to prompt the user, or a diagram illustrating that a virtual finger slides along the first direction may be used, which is not limited in this disclosure.
In step 413, it ends.
Corresponding to the previous embodiments of the fingerprint input method, the present disclosure also provides embodiments of a fingerprint input device.
Fig. 9 is one of the block diagrams of a fingerprint-entry device, shown in accordance with an 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 acquisition module 901 and a determination module 902, wherein:
the acquisition module 901 acquires a plurality of fingerprint sampling images when the finger slides along at least two directions of the fingerprint detection area.
A determining module 902 determines a fingerprint entered 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 input device according to an exemplary embodiment, which is based on the foregoing embodiment shown in fig. 9, the device further includes an acquisition module 901 including a first acquisition unit 9011 and a second acquisition unit 9012, where:
A first acquiring unit 9011 that acquires, for each direction, an overlapping size of the finger and the fingerprint detection region in the finger sliding process;
the second acquiring unit 9012 acquires the first fingerprint sampling image in the corresponding direction when the ratio of the overlapping size to the corresponding size of the fingerprint detection region is greater than a first preset threshold.
As shown in fig. 11, fig. 11 is a block diagram three of a fingerprint input device according to an exemplary embodiment, which is based on the foregoing embodiment shown in fig. 9, the acquisition module 901 further includes a determination unit 9013 and a third acquisition unit 9014, wherein:
the determining unit 9013 determines, in each direction, a change value of the overlapping size during the finger sliding process, based on the overlapping size of the finger and the fingerprint detection area when the previous fingerprint sample image was acquired.
And a third acquiring unit 9014, configured to acquire a subsequent fingerprint sampling image when the previous fingerprint sampling image is completely sampled 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.
It should be noted that the structures of the determining unit 9013 and the acquiring unit 9014 in the apparatus embodiment shown in fig. 11 described above may also be included in the apparatus embodiment shown in fig. 10 described above.
Optionally, the fingerprint detection area is uniformly divided into N areas along a first designated direction of the at least two directions, and the second preset threshold is 1/N and N is an integer greater than 1 when the finger slides along the first designated direction.
Optionally, the fingerprint detection area is uniformly divided into M areas along a second designated direction of the at least two directions, and in the case that the finger slides along the second designated direction, the first preset threshold is 1/M, and M is an integer greater than 1.
As shown in fig. 12, fig. 12 is a fourth block diagram of a fingerprint input device according to an exemplary embodiment, which is based on the embodiment shown in fig. 9, the acquisition module 901 includes:
The fourth acquiring unit 9015 acquires fingerprint information of an area overlapping the fingerprint detection area on the finger as the fingerprint sampling image.
Note that, the structure of the fourth acquiring unit 9015 in the device embodiment shown in fig. 12 may be also included in the device embodiment shown in fig. 10 or 11, which is not limited to this disclosure.
As shown in fig. 13, fig. 13 is a fifth block diagram of a fingerprint input device according to an exemplary embodiment, which includes a first determining unit 9021, a second determining unit 9022 and a third determining unit 9023 according to the determining module 902 on the basis of the embodiment shown in fig. 9 described above, wherein:
the first determining unit 9021 determines the fingerprint sampling progress in each direction from a plurality of fingerprint sampling images acquired in that direction.
The second determining unit 9022 determines a fingerprint to be entered in the direction when the fingerprint sampling progress is equal to one hundred percent.
The third determining unit 9023 determines a fingerprint to be entered into the electronic device according to the fingerprints to be entered in the respective directions.
It should be noted that, in the device embodiment shown in fig. 13, the first determining unit 9021, the second determining unit 9022, and the third determining unit 9023 may also be included in the device embodiment shown in any one of fig. 10 to 12, which is not limited to this disclosure.
As shown in fig. 14, fig. 14 is a block diagram of yet another fingerprint-entry device according to an exemplary embodiment that is based on the embodiment shown in fig. 9 and further includes:
A slide entry region is shown at block 903, the slide entry region overlapping the fingerprint detection region and the area of the slide entry region being greater than the area of the fingerprint detection region.
It is noted that the illustrated module 905 in the apparatus embodiment shown in fig. 14 described above may also be included in the apparatus embodiments of any of the preceding fig. 10-13,
The specific manner in which the various modules perform the operations in the apparatus of the above embodiments have been described in detail in connection with the embodiments of the method, and will not be described in detail herein.
For the device embodiments, reference is made to the description of the method embodiments for the relevant points, since they essentially correspond to the method embodiments. The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the objectives of the disclosed solution. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
Correspondingly, the disclosure also provides a fingerprint input device which is applied to electronic equipment, wherein the electronic equipment comprises a display panel and a fingerprint sensor, the fingerprint sensor and the display panel are arranged in a stacked manner, and the fingerprint sensor is used for forming a fingerprint detection area; comprising 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 fingerprint sampling images.
Correspondingly, the disclosure further provides a terminal, which comprises a display panel and a fingerprint sensor, wherein the fingerprint sensor is arranged in a lamination manner with the display panel, 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 to be executed by the one or more processors, the one or more programs comprising 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 fingerprint sampling images.
Fig. 15 is a block diagram illustrating a fingerprint-entry device 1500, according to an example embodiment. For example, apparatus 1500 may be a mobile phone, computer, digital broadcast terminal, messaging device, game console, tablet device, medical device, fitness device, personal digital assistant, or the like.
Referring to fig. 15, apparatus 1500 may include one or more of the following components: a processing component 1502, a memory 1504, a power component 1506, a multimedia component 1508, an audio component 1510, an input/output (I/O) interface 1512, a sensor component 1514, and a communications component 1516.
The processing component 1502 generally controls overall operation of the apparatus 1500, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component 1502 may include one or more processors 1520 to execute instructions to perform all or part of the steps of the methods described above. Further, the processing component 1502 may include one or more modules that facilitate interactions between the processing component 1502 and other components. For example, the processing component 1502 may include a multimedia module to facilitate interaction between the multimedia component 1508 and the 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 apparatus 1500, contact data, phonebook data, messages, pictures, videos, and the like. The memory 1504 may be implemented by any type or combination of volatile or nonvolatile 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 disk.
The power supply assembly 1506 provides power to the various components of the apparatus 1500. The power supply component 1506 can 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 comprises a screen between the device 1500 and the user that provides an output interface. 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 input signals from a user. The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may sense not only the boundary of a touch or slide action, but also the duration and pressure associated with the touch or slide operation. In some embodiments, multimedia assembly 1508 includes a front camera and/or a rear camera. The front camera and/or the rear camera may receive external multimedia data when the apparatus 1500 is in an operational mode, such as a photographing mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have focal length and optical zoom capabilities.
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 device 1500 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may be further stored in the memory 1504 or transmitted via the communication component 1516. In some embodiments, the audio component 1510 further comprises 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, and the like. These buttons may include, but are not limited to: homepage button, volume button, start button, and 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 may detect an on/off state of the device 1500, a relative positioning of the components, such as a display and keypad of the device 1500, the sensor assembly 1514 may also detect a change in position of the device 1500 or one component of the device 1500, the presence or absence of user contact with the device 1500, an 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 nearby objects 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 gyroscopic sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 1516 is configured to facilitate communication between the apparatus 1500 and other devices in a wired or wireless manner. 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 one exemplary embodiment, the communication component 1516 receives broadcast signals or broadcast-related information from an external broadcast management system via a broadcast channel. In one 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, microcontrollers, microprocessors, or other electronic elements for executing the methods described above.
In an exemplary embodiment, a non-transitory computer-readable storage medium is also provided, such as memory 1504, including instructions executable by processor 1520 of apparatus 1500 to perform the above-described methods. For example, the non-transitory computer readable storage medium may be ROM, random Access Memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.
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 adaptations, 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 is to be understood that the present disclosure is not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (18)
1. The 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;
Determining a fingerprint input into the electronic equipment according to the plurality of fingerprint sampling images;
the method for respectively acquiring a plurality of fingerprint sampling images when the finger slides along at least two directions of the fingerprint detection area comprises the following steps:
In each direction, determining the change value of the 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;
And acquiring a subsequent fingerprint sampling image when the previous fingerprint sampling image is completely sampled and the ratio of the variation value of the overlapping size to the corresponding size of the fingerprint detection area is larger than or equal to a second preset threshold value.
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 input method of claim 1, wherein the respectively acquiring a plurality of fingerprint sample images of a finger 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. The fingerprint input method according to claim 1, 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 in case that the finger slides along the first specified direction, N being an integer greater than 1.
5. A fingerprint entry method according to claim 3, wherein the fingerprint detection area is evenly divided into M areas along a second of the at least two directions, the first preset threshold being 1/M, M being an integer greater than 1, in case the finger is slid along the second direction.
6. The fingerprint input method of any one of claims 1-3 and 4-5, wherein the respectively acquiring a plurality of fingerprint sample images of a finger sliding along at least two directions of a fingerprint detection area comprises:
And acquiring fingerprint information of an area, which is overlapped with the fingerprint detection area, of the finger to serve as the fingerprint sampling image.
7. The fingerprint entry method of claim 1, wherein determining a fingerprint to be entered into the electronic device from the plurality of fingerprint sample images comprises:
Determining the fingerprint sampling progress in each direction according to a plurality of fingerprint sampling images acquired in the direction;
when the fingerprint sampling progress is equal to one hundred percent, determining a fingerprint to be input in the direction;
And determining the fingerprint input into the electronic equipment according to the fingerprints to be input in all directions.
8. The fingerprint entry method of claim 1, further comprising:
A sliding entry region is shown that overlaps the fingerprint detection region and has an area that is greater than the area of the fingerprint detection region.
9. A fingerprint input device, characterized by being applied to an electronic device 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 the finger slides along at least two directions of the fingerprint detection area;
The determining module is used for determining the fingerprint input into the electronic equipment according to the plurality of fingerprint sampling images;
the acquisition module comprises:
a determining unit for determining a change value of the 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 acquires a subsequent fingerprint sampling image when the previous fingerprint sampling image is completely sampled 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.
10. The fingerprint-entry device of claim 9, wherein the at least two directions comprise a first direction and a second direction, the first direction being perpendicular to the second direction.
11. The fingerprint-entry device of claim 9, wherein the acquisition module comprises:
the first acquisition unit acquires the overlapping size of the finger and the fingerprint detection area in the finger sliding process for all directions;
And the second acquisition unit acquires 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 larger than a first preset threshold value.
12. The fingerprint input device of claim 9, wherein the fingerprint detection area is evenly divided into N areas along a first specified direction of the at least two directions, the second preset threshold being 1/N with a finger sliding along the first specified direction, N being an integer greater than 1.
13. The fingerprint input device of claim 11, wherein the fingerprint detection area is evenly divided into M areas along a second specified direction of the at least two directions, the first preset threshold being 1/M with a finger sliding along the second specified direction, M being an integer greater than 1.
14. The fingerprint-entry device of any one of claims 9-11 and 12-13, wherein the acquisition module comprises:
and a fourth acquisition unit that acquires fingerprint information of an area overlapping the fingerprint detection area on the finger as the fingerprint sampling image.
15. The fingerprint-entry device of claim 9, wherein, in accordance with the determination module, comprises:
a first determining unit that determines a fingerprint sampling progress in each direction based on a plurality of fingerprint sampling images acquired in the direction;
A second determining unit that determines a fingerprint to be entered 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 fingerprints to be input in all directions.
16. The fingerprint-entry device of claim 9, further comprising:
A module is shown showing a sliding entry region that overlaps the fingerprint detection region and has an area that is greater than an area of the fingerprint detection region.
17. 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 of claims 1-8.
18. 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 of claims 1-8.
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