CN105989349B - The log-on data production method and electronic device of fingerprint - Google Patents
The log-on data production method and electronic device of fingerprint Download PDFInfo
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- CN105989349B CN105989349B CN201510097901.1A CN201510097901A CN105989349B CN 105989349 B CN105989349 B CN 105989349B CN 201510097901 A CN201510097901 A CN 201510097901A CN 105989349 B CN105989349 B CN 105989349B
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Abstract
A kind of fingerprint register data creating method, comprising: extract one first input data, wherein above-mentioned first input data is divided into multiple first blocks, and each above-mentioned first block has an index value；One second input data is extracted, wherein above-mentioned second input data is divided into multiple second blocks, and each above-mentioned second block has above-mentioned index value；Above-mentioned first input data and above-mentioned second input data are compared and combined to generate a combined result, to in above-mentioned first input data and above-mentioned second input data, the above-mentioned index value of mutual duplicate above-mentioned first block and above-mentioned second block carries out an accumulating operation；And a prompt information is generated according to said combination result.
Description
Technical field
Description of the invention is mainly related to the technology that the log-on data of fingerprint generates, and believes particularly with regard to by prompt
Breath, indicates the log-on data generation technology of the fingerprint of the moving direction of the finger of user.
Background technique
In recent years, it is easier to be usurped or lost and safety with the progress of bio-identification science and technology and due to password and card
Property is low, therefore fingerprint identification technology is also increasingly paid attention to.Fingerprint recognition has the hand of uniqueness, invariance and user
Refer to the multiplicity that can all carry out fingerprint recognition, and fingermark image is obtained and is easy.Therefore security performance and convenience are all substantially mentioned
It rises, more efficient can also be become for financial security or data confidentiality.
Fingerprint identification technology traditionally can be divided into swipe formula or push type two ways.For the fingerprint induction of small area
Finger print data needed for device would generally register progress fingerprint recognition in a manner of pressing.Since pressing area is too small, user is normal
It often needs to press the foundation that could many times complete log-on data.In addition, user's finger needed for carrying out registered fingerprint identification
When the operation of line data, often habitually it is placed on fingerprint sensing device with finger a part.Therefore, it also results in and is built
The range that vertical log-on data is covered is inadequate, thus the failure rate of fingerprint recognition is caused to improve.
Therefore, when user is in the log-on data for establishing fingerprint recognition, a method more efficiently how is provided
The direction for prompting user's finger mobile will be the project for being worth research.
Summary of the invention
The problem of in view of above-mentioned prior art, the present invention provides the finger that user is indicated by prompt information is mobile
The log-on data generation technology of the fingerprint in direction.
An embodiment according to the present invention provides a kind of log-on data production method of fingerprint.The log-on data of this fingerprint
The step of production method includes: one first input data of extraction, wherein above-mentioned first input data is divided into multiple first blocks,
And each above-mentioned first block has an index value；One second input data is extracted, wherein above-mentioned second input data is divided into
Multiple second blocks, and each above-mentioned second block has above-mentioned index value；Compare and combine above-mentioned first input data and upper
The second input data is stated to generate a combined result, in above-mentioned first input data and above-mentioned second input data, phase mutual respect
The above-mentioned index value of multiple above-mentioned first block and above-mentioned second block weight carries out an accumulating operation；And according to said combination knot
Fruit generates a prompt information.
An embodiment according to the present invention provides a kind of electronic device.This electronic device includes a fingerprint sensor, one
Processing unit.Fingerprint sensor is to extract one first input data, wherein above-mentioned first input data is divided into multiple first
Block, and each above-mentioned first block has an index value, and extracts one second input data, wherein above-mentioned second input number
According to being divided into multiple second blocks, and each above-mentioned second block has above-mentioned index value.Processing unit is to compare and combine
Above-mentioned first input data and above-mentioned second input data generate one according to said combination result and mention to generate a combined result
Show information.In addition, above-mentioned processing unit is to above-mentioned first input data and above-mentioned second input number when generating said combination result
In, the above-mentioned index value of mutual duplicate above-mentioned first block and above-mentioned second block carries out an accumulating operation.
About other additional features and advantages of the invention, those skilled in the art are not departing from spirit of the invention
In range, when can according to disclosed in this case implementation method execution contact procedure user's device, system, Yi Jifang
Method is done a little changing and retouching and is obtained.
Detailed description of the invention
Fig. 1 is the block diagram for showing electronic device 100 described in embodiment according to the present invention.
Fig. 2 is the schematic diagram of the accumulating operation according to one embodiment of the invention.
Fig. 3 is the flow chart 300 of the log-on data production method of the fingerprint according to one embodiment of the invention.
Wherein, the reference numerals are as follows:
100 fingerprint comparison devices
110 fingerprint sensors
120 processing units
130 storage units
300 flow charts
Specific embodiment
What this section was described is preferred embodiment of the present invention, it is therefore intended that illustrate spirit of the invention rather than to
It limits the scope of protection of the present invention, protection scope of the present invention is subject to view the attached claims institute defender.
Fig. 1 is the block diagram for showing electronic device 100 described in embodiment according to the present invention.One implements according to the present invention
Example, electronic device 100 can refer to the electronic device with fingerprint identification function, such as: it is a mobile phone, a smart phone, one flat
The electronic devices such as plate computer or a notebook computer.As shown in Figure 1, including fingerprint sensor 110, one in electronic device 100
Processing unit 120 and a storage unit 130.Block diagram in Fig. 1 illustrates the embodiment of the present invention only for facilitating, but
The present invention is not limited thereto.
According to an embodiment of the invention, fingerprint sensor 110 refers to the sensor of a small area.That is, fingerprint sensing
Area of the sensing area much smaller than sensing finger possessed by device 110.Therefore, when user will establish the registration number of fingerprint recognition
According to when, fingerprint sensor 110 needs to carry out the movement of multiple finger print data extraction, could generate a more complete log-on data with
Fingerprint recognition is carried out for user.An embodiment according to the present invention, storage unit 130 is to store log-on data.
An embodiment according to the present invention, when user wants the required log-on data of registered fingerprint identification, user's meeting
The finger for being intended to registration is placed on the fingerprint sensor 110 of electronic device 100, and fingerprint sensor 110 will scan user's
Fingerprint, to extract one first input data.In addition, the first input data can be divided into same area by processing unit 120
Multiple first blocks, wherein area it is identical refer to include identical quantity pixel (pixel), and can all have in every one first block
There is an initial index value (or initial weight value), for example, initial index value can be 1.
After having extracted the first input data, user can place a finger on the fingerprint sensor 110 of electronic device 100 again
On, fingerprint sensor 110 will scan the fingerprint of user again, to extract one second input data, and 120 meeting of processing unit
Second input data is divided into multiple second blocks of the same area, and can all be had in every one second block one initial
Index value (or initial weight value), for example, 1.It is noted that the number and second for the first block that the first input data is included
The number for the second block that input data is included is equal, and the first block and the second input data of the first input data
The second block possessed by initial index value be all identical, for example, being 1.In addition, the area of each input data is visual
For the sensing area of fingerprint sensor 110.
An embodiment according to the present invention, after obtaining the first input data and the second input data, processing unit 120 will
The first input data and the second input data are compared to generate a combined result.An embodiment according to the present invention, processing unit 120
First input data and the second input data can be combined, that is, processing unit 120 can determine in the first input data,
Block identical with the second input data.In other words, the first block for the first input data of some is identical to one
Second block of the second input data of part.Processing unit 120 can will because repeatedly inputting identical first block and second
The index value of block adds up.Therefore, in combined result, not with duplicate first block of any second block, progression
Index value can be maintained 1, and duplicate first block of any second block, and progression index value is 2, and not with any firstth area
Duplicate second block of block, progression index value can be maintained 1.That is, will have in mutual duplicate block higher
Progression index value.
An embodiment according to the present invention, after obtaining combined result, the gross area that processing unit 120 judges combined result is
It is no to be greater than a critical value.If the gross area of combined result is greater than critical value, processing unit 120 can stop the data that take the fingerprint.
That is, i.e. expression log-on data (i.e. combined result) is covered when the gross area of combined result is greater than a critical value
Range is enough.Therefore, processing unit 120 will prompt user not need the input for carrying out finger print data again.According to this
An embodiment is invented, critical value is a multiple value of the sensing area of fingerprint sensor 110, for example, the multiple value can be big for one
In or equal to 2 integer.
If the gross area of combined result is not greater than critical value, processing unit 120 will generate a prompt according to combined result
Information, to inform user when carrying out finger print data input (for example, a third input data) next time, also that is, by hand
Finger is placed on fingerprint sensor 110, the direction moved needed for finger and placement location.
For example, Fig. 2 is the schematic diagram of the accumulating operation according to one embodiment of the invention.As shown in Fig. 2, first
The initial index value of the block of input data I1, the second input data I2 and third input data I3 is all 1 (not to be combined also
Before).When block duplicating input the case where, processing unit 120 can the index value to block carry out an accumulating operation, wherein
Progression index value is that 2 i.e. to indicate that the block has been repeatedly input secondary in Fig. 2, and progression index value is 3 indicates that the block has weighed
Multiple input is three times.
After obtaining combined result, processing unit 120 will generate a prompt information according to combined result, to extract
When next input data, the direction to be moved of its finger of user is informed.An embodiment according to the present invention, prompt information
It can indicate that the direction of block of the user by its finger into combined result with lower progression index value is mobile.Due to have compared with
The block of high progression index value indicates that the finger of user is relatively high corresponding to the input frequency in the region of the block, that is, makes
The region of its finger is placed on fingerprint sensor 110 by user's habit, therefore fingerprint sensor 110 extracts the region
Number can be relatively more frequent.Therefore, prompt information can indicate that its finger is had lower progression index by user into combined result
The direction of the block of value is mobile, that is, user is prompted to be placed into fingerprint sensing for the relatively low region of frequency is inputted in its finger
On device 110, to increase the integrality of range and log-on data that fingerprint register data are covered.
When to extract next input data, user can place a finger on the fingerprint sensor of electronic device 100 again
On 110, and according to its mobile finger of prompt information.Then, fingerprint sensor 110 will scan the fingerprint of user again, with
A third input data is extracted, and third input data can be divided into the identical multiple third blocks of size by processing unit 120,
And can all have an initial index value in each third block, for example, 1.After obtaining third input data, 120 meeting of processing unit
Combined result and third input data are compared to generate another combined result.
Another embodiment according to the present invention, processing unit 120 is according to a combination number to determine whether stopping input fingerprint
Data.For example, after processing unit 120 carried out 10 combinations, processing unit 120 just judge log-on data (also that is,
The combined result of last time) range that is covered is enough, and then indicates that user inputs finger print data without continuing.
An embodiment according to the present invention, prompt information can by a display unit of electronic device 100 (figure is not shown) come
Display.An embodiment according to the present invention, the schematic diagram that prompt information can be shown in display unit, can by this schematic diagram
Inform that the frequency of those blocks of user input is relatively high, the frequency of those blocks input is relatively low.Therefore, user can incite somebody to action
The direction of finger toward the relatively low block of input frequency is mobile.An embodiment according to the present invention, schematic diagram can for a block diagram,
One fingerprint profile figure or other kinds of display diagram.An embodiment according to the present invention, input frequency is relatively high in schematic diagram
Region can show that the relatively low region of input frequency can then be shown with than shallower color with deep color.Change sentence
It talks about, the present invention can use the depth of color to prompt the moving direction of user's finger.The progression corresponding to the block
When index value is bigger, color is deeper, anti-, progression index value is cured hour, and color is more shallow.Therefore, user can be according to showing
The depth of color in intention, so that it may judge that this is mobile toward which direction by finger and finger is placed on fingerprint sensor 110
Position and input area.
Another embodiment according to the present invention, the textBox that prompt information can be shown on the display unit.Processing unit
120 can be by the content suggested by textBox, the direction directly moved required for prompt user's finger.Prompt information can be
The arrow diagramming shown on display unit, to prompt the direction moved needed for user's finger.
An embodiment according to the present invention, prompt information (can be schemed not show by a sound generation unit of electronic device 100
Show) generate a voice messaging.The voice messaging that processing unit 120 can be played by sound generation unit, to prompt to use
The direction moved required for person's finger.
An embodiment according to the present invention, prompt information can include one or more of user and need mobile directional information.It lifts
For example: by taking Fig. 2 as an example, since the upper right corner and the lower left corner are all to belong to the relatively low region of input frequency, processing unit
120 will simultaneously or sequentially prompt user toward the mobile finger of upper right and lower-left.
Fig. 3 is the flow chart 300 of the log-on data production method of the fingerprint according to one embodiment of the invention, this fingerprint
Log-on data production method be suitable for electronic device 100.As shown in figure 3, firstly, passing through electronic device 100 in step S310
One first input data is extracted, wherein the first input data is divided into multiple first blocks, and each above-mentioned first block tool
There is an initial index value.In step S320, one second input data is extracted by electronic device 100, wherein the second input data
Multiple second blocks are divided into, and every one second block has above-mentioned initial index value.In step S330, pass through electronic device
100 compare and the first input data and the second input data combine, to generate a combined result, wherein electronic device
100 can be by the first input data and the second input data, and the index value of mutual duplicate first block and the second block is cumulative
Get up.Judge whether the gross area of combined result is greater than one by electronic device 100 after obtaining combined result in step S340
Critical value.If the gross area of combined result is greater than a critical value, step S350 is carried out.In step S350, pass through electronic device 100
A prompt information is generated, the data that take the fingerprint are stopped with instruction.If the gross area of combined result is not greater than a critical value, walked
Rapid S360.In step S360, a prompt information is generated according to combined result by electronic device 100, to prompt user's finger
Placement direction and position.In step S370, electronic device 100 extracts a third input data, wherein third input data
Multiple third blocks are divided into, and each third block has an initial index value.In step S380,120 meeting of processing unit
It compares and combined result and third input data combines, to generate another combined result.After generating combined result, just
Step S340 can be returned to, judges whether the gross area of combined result is greater than a critical value by electronic device 100.
Another embodiment according to the present invention, processing unit 120 can judge whether to stop taking the fingerprint according to a combination number
Data.
The method that embodiment according to the present invention is proposed makes when user is in the log-on data for establishing fingerprint recognition
User can move the direction of block of its finger into combined result with lower progression index value according to the instruction of prompt information
Dynamic (also that is, the finger of user inputs the relatively low region of frequency), to increase the range that log-on data is covered, and registration
The integrality of data.In addition, the method that embodiment according to the present invention is proposed, user efficiently can establish fingerprint
The log-on data of identification, and avoid inputting excessive duplicate finger print data.
The step of method disclosed in specification of the invention and algorithm, directly can directly be answered by executing a processor
With in the combination of hardware and software module or both.One software module (including execute instruction and related data) and other numbers
It seem random access memory (RAM), flash memory (flash memory), read-only according to that can be stored in data storage
Memory (ROM), the regulating type read-only memory that can erase (EPROM), electronics can erase can plan read-only memory (EEPROM),
Buffer, hard disk, Portable hard-disk, compact disc read-only memory (CD-ROM), DVD or this field practise technology in it is any other
The storage media format of readable in computer.One storage media may be coupled to an installations, for example, seem computer/processing
Device (for convenience of description, indicates in this specification with processor), and above-mentioned processor can be by come to read information (seem journey
Sequence code), and write information to storage media.One storage media can integrate a processor.One special application integrated circuit
It (ASIC) include processor and storage media.One user equipment then includes a special application integrated circuit.In other words, processor
With storage media in a manner of the user equipment that is not directly connected, it is contained in user equipment.In addition, in some embodiments, appointing
What is suitble to the product of computer program to include the storage media that can be read, wherein the storage media that can be read includes and one or more institutes
The relevant procedure code of disclosure embodiment.In some embodiments, the product of computer program may include encapsulating material.
" embodiment " that is previously mentioned in this specification or " embodiment " indicate the specific spy related with embodiment
Sign, structure or characteristic are to include in an at least embodiment according to the present invention, it is not intended that they are present in each implementation
In example.Therefore, in the present specification different places occur " in one embodiment " or " in embodiment " phrase not necessarily
Indicate identical embodiment of the invention.
The above paragraph is described using a variety of levels.Obvious, the teaching of this paper may be implemented in a variety of ways, and in example
Disclosed any certain architectures or function are only a representative situation.According to the teaching of this paper, anyone skilled in the art
It should be understood that each level disclosed herein can independent implementation or two or more levels can merge implementation.
Although the present invention has been described by way of example and in terms of the preferred embodiments, however, it is not to limit the invention, any this field skill
Art personnel, without departing from the spirit and scope of the present invention, when can make some changes and embellishment, therefore protection model of the invention
It encloses subject to view the attached claims institute defender.
Claims (16)
1. a kind of fingerprint register data creating method, comprising:
One first input data is extracted, wherein above-mentioned first input data is divided into multiple first blocks, and each above-mentioned first
Block has an index value；
One second input data is extracted, wherein above-mentioned second input data is divided into multiple second blocks, and each above-mentioned second
Block has an index value；
Above-mentioned first input data and above-mentioned second input data are compared and combine, to generate a combined result；
To in above-mentioned first input data and above-mentioned second input data, mutual duplicate above-mentioned first block and above-mentioned secondth area
The index value of block carries out an accumulating operation；And
Judge whether a gross area of said combination result has been greater than a critical value, to generate a prompt information；
When the above-mentioned gross area of said combination result is not yet greater than above-mentioned critical value, above-mentioned prompt information indicate a user by its
The direction of block of the finger into above-mentioned combined result with lower progression index value is mobile.
2. fingerprint register data creating method as described in claim 1, further includes:
When the above-mentioned gross area of said combination result is not yet greater than above-mentioned critical value, one third input data of extraction, wherein above-mentioned
Third input data is divided into multiple third blocks, and each above-mentioned third block has an index value.
3. fingerprint register data creating method as claimed in claim 2, further includes:
Said combination result and above-mentioned third input data are compared and combine, to generate another combined result.
4. fingerprint register data creating method as described in claim 1, further includes:
Judge whether a gross area of said combination result has been greater than a critical value；And
When the above-mentioned gross area of said combination result has been greater than above-mentioned critical value, above-mentioned prompt information prompt a user be not necessarily to after
Continuous input finger print data.
5. fingerprint register data creating method as described in claim 1, further includes:
According to a combination number to determine whether stopping input finger print data.
6. fingerprint register data creating method as described in claim 1, wherein above-mentioned prompt information is produced by a display unit
It is raw, and above-mentioned prompt information includes one or more directional informations.
7. fingerprint register data creating method as described in claim 1, wherein above-mentioned prompt information generates list by a sound
Member generates.
8. fingerprint register data creating method as described in claim 1, wherein above-mentioned prompt information using the depth of color come
Prompt the moving direction of user's finger.
9. a kind of electronic device, comprising:
One fingerprint sensor, to extract one first input data, wherein above-mentioned first input data is divided into multiple firstth areas
Block, and each above-mentioned first block has an index value, and extracts one second input data, wherein above-mentioned second input data
Multiple second blocks are divided into, and each above-mentioned second block has above-mentioned index value；And
One processing unit, to compare and combine above-mentioned first input data and above-mentioned second input data to generate a combination
As a result, and according to said combination result generate a prompt information, wherein generate said combination result when, above-mentioned processing unit is to upper
It states in the first input data and above-mentioned second input data, the above-mentioned index of mutual duplicate above-mentioned first block and the second block
Value carries out an accumulating operation,
Wherein above-mentioned processing unit judges whether a gross area of said combination result has been greater than a critical value, wherein when above-mentioned group
The above-mentioned gross area for closing result is not yet greater than above-mentioned critical value, and above-mentioned prompt information indicates a user by its finger toward above-mentioned group
The direction for closing the block in result with lower progression index value is mobile.
10. electronic device as claimed in claim 9, wherein the above-mentioned gross area when said combination result is not yet greater than above-mentioned face
Dividing value extracts a third input data, wherein above-mentioned third input data is divided into multiple third blocks, and each above-mentioned third
Block has an index value.
11. electronic device as claimed in claim 10, wherein above-mentioned processing unit compares and combines said combination result and upper
Third input data is stated to generate another combined result.
12. electronic device as claimed in claim 9, wherein above-mentioned processing unit judges that the gross area of said combination result is
It is no to be greater than a critical value, wherein when the above-mentioned gross area of said combination result has been greater than above-mentioned critical value, above-mentioned prompt information
Prompt a user without continuing to input.
13. electronic device as claimed in claim 9, wherein above-mentioned processing unit is according to a combination number to determine whether stopping
Input finger print data.
14. electronic device as claimed in claim 9, further includes:
One display unit, to generate above-mentioned prompt information, and above-mentioned prompt information includes one or more directional informations.
15. electronic device as claimed in claim 9, further includes:
One sound generation unit, to generate above-mentioned prompt information.
16. electronic device as claimed in claim 9, wherein above-mentioned prompt information prompts a user using the depth of color
The moving direction of finger.
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| US14/791,174 US9400914B2 (en) | 2014-10-24 | 2015-07-02 | Method and electronic device for generating fingerprint enrollment data |
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| US201462068035P | 2014-10-24 | 2014-10-24 | |
| US62/068,035 | 2014-10-24 |
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| CN106547674A (en) * | 2016-10-28 | 2017-03-29 | 努比亚技术有限公司 | A kind of fingerprint input method, device and terminal |
| US10713463B2 (en) | 2017-10-16 | 2020-07-14 | Egis Technology Inc. | Display method of user interface and electronic apparatus thereof |
| CN109669651B (en) * | 2017-10-16 | 2021-02-02 | 神盾股份有限公司 | Display method of user interface and electronic device |
| CN109690563B (en) * | 2018-12-04 | 2023-05-30 | 深圳市汇顶科技股份有限公司 | Fingerprint registration method, terminal and computer-readable storage medium |
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| CN1924889A (en) * | 2005-08-30 | 2007-03-07 | 知网生物识别科技股份有限公司 | Apparatus and method of fingerprint register |
| CN101030246A (en) * | 2007-04-09 | 2007-09-05 | 黄东运 | Method for discriminating fingerprint |
| CN103065134A (en) * | 2013-01-22 | 2013-04-24 | 江苏超创信息软件发展股份有限公司 | Fingerprint identification device and method with prompt information |
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| JP5206218B2 (en) * | 2008-08-20 | 2013-06-12 | 富士通株式会社 | Fingerprint image acquisition device, fingerprint authentication device, fingerprint image acquisition method, and fingerprint authentication method |
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| CN1924889A (en) * | 2005-08-30 | 2007-03-07 | 知网生物识别科技股份有限公司 | Apparatus and method of fingerprint register |
| CN101030246A (en) * | 2007-04-09 | 2007-09-05 | 黄东运 | Method for discriminating fingerprint |
| CN103065134A (en) * | 2013-01-22 | 2013-04-24 | 江苏超创信息软件发展股份有限公司 | Fingerprint identification device and method with prompt information |
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