CN108961510A - Standby key seals control system - Google Patents
Standby key seals control system Download PDFInfo
- Publication number
- CN108961510A CN108961510A CN201810791234.0A CN201810791234A CN108961510A CN 108961510 A CN108961510 A CN 108961510A CN 201810791234 A CN201810791234 A CN 201810791234A CN 108961510 A CN108961510 A CN 108961510A
- Authority
- CN
- China
- Prior art keywords
- image
- fingerprint
- pixel
- real time
- equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00563—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys using personal physical data of the operator, e.g. finger prints, retinal images, voicepatterns
-
- 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
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00571—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by interacting with a central unit
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Collating Specific Patterns (AREA)
- Image Input (AREA)
Abstract
The present invention relates to a kind of standby keys to seal control system, comprising: standby key sealing is arranged in the tail portion of Fingerprint Lock, is used for when opened, the key insert port of open Fingerprint Lock tail portion, and when being closed, seals the key insert port of Fingerprint Lock tail portion；Electric power detection device when being less than default power threshold for the remaining capacity in the Fingerprint Lock internal cell, issues electric power shortage signal for detecting the remaining capacity of Fingerprint Lock internal cell；State switching equipment is connect, for when receiving the electric power shortage signal, the current state of Fingerprint Lock to be switched to backup circuit breaker state from fingerprint detection state respectively with standby key sealing and the electric power detection device；The Fingerprint Lock opens standby key sealing in backup circuit breaker state in order to which user is inserted into the opening operation that standby key carries out Fingerprint Lock.Through the invention, the reliability of Fingerprint Lock is enhanced.
Description
Technical field
The present invention relates to fingerprint recognition fields more particularly to a kind of standby key to seal control system.
Background technique
Fingerprint lock sensor mainly uses optical sensor and semiconductor transducer, and optical sensor is referred mainly to using CMOS
Equal photo-sensing devices, obtain fingerprint image, are generally all made into the form of integral module on the market, and sensors with auxiliary electrode price is lower,
But volume is larger, is generally used in Fingerprint Lock, the products such as fingerprint access control.
Semiconductor transducer mainly by FingerPrint Cards company of Sweden, etc. fingerprint sensors producer monopolize, be divided into
Formula and two kinds of planar are hung, planar price is relatively high, but better performances, is mostly used for the important neck such as customs, military affairs, bank
Domain.Nowadays with the raising that people realize household safety-protection, semiconductor planar sensor is used in by more and more producers
Civil field, better user experience.It is smaller to hang co-volume, price is lower, but experiences poor, directional velocity when scraping
Deng all having an impact to effect.
Summary of the invention
In order to solve Fingerprint Lock the technical issues of fingerprint recognition midway fails because of electric power deficiency, the present invention provides one
Kind standby key seals control system, inside the electric power detection device detection Fingerprint Lock on the circuit board that Fingerprint Lock is arranged in
The remaining capacity of battery, to open spare key when the remaining capacity of the Fingerprint Lock internal cell is less than default power threshold
Spoon sealing is inserted into the opening operation that standby key carries out Fingerprint Lock in order to user, avoids fingerprint recognition midway due to electric power deficiency
Failure, meanwhile, targetedly image processing mode is introduced, user information when improving electric power abundance based on fingerprint characteristic is distinguished
The accuracy of knowledge；And it is also determined by the comparison result of left side noise amplitude and right side noise amplitude to image to be processed
Directional filtering strategy that the image to be processed is executed, corresponding with the comparison result, to improve image filtering
Specific aim and validity.
According to an aspect of the present invention, a kind of standby key sealing control system is provided, the system comprises:
Standby key sealing, is arranged in the tail portion of Fingerprint Lock, for when opened, the key of open Fingerprint Lock tail portion to be inserted
Entrance, and when being closed, seal the key insert port of Fingerprint Lock tail portion；The electricity of Fingerprint Lock is arranged in electric power detection device
It is small for the remaining capacity in the Fingerprint Lock internal cell for detecting the remaining capacity of Fingerprint Lock internal cell on the plate of road
When default power threshold, electric power shortage signal is issued；State switching equipment, is arranged on the circuit board of Fingerprint Lock, respectively with
Standby key sealing is connected with the electric power detection device, for when receiving the electric power shortage signal, by fingerprint
The current state of lock is switched to backup circuit breaker state from fingerprint detection state；The Fingerprint Lock is opened in backup circuit breaker state
Standby key sealing is inserted into the opening operation that standby key carries out Fingerprint Lock in order to user；Image zooming-out equipment is embedded in finger
In the shell of line lock, for receiving the finger print information of user's input, to obtain and export corresponding real time fingerprint image；First is pre-
Processing equipment is connect with described image extract equipment, for receiving the real time fingerprint image, in the real time fingerprint image
Noise profile situation detected, schemed with the noise in the determination real time fingerprint image in the real time fingerprint image left half
Maximum amplitude and the real time fingerprint image in noise right half figure of the real time fingerprint image maximum amplitude, and
By the noise in the real time fingerprint image left half figure of the real time fingerprint image maximum amplitude and the real time fingerprint figure
Noise as in is compared in the maximum amplitude of right half figure of the real time fingerprint image, and in the real time fingerprint image
Noise is greater than the noise in the real time fingerprint image described real-time in the maximum amplitude of left half figure of the real time fingerprint image
When the maximum amplitude of half figure of the fingerprint image right side, left side distribution signal is issued；First pre-processing device is also used in the reality
When fingerprint image in noise be less than or equal to the real time fingerprint image in the maximum amplitude of left half figure of the real time fingerprint image
In noise in the maximum amplitude of right half figure of the real time fingerprint image, issue right side distribution signal；Second pre-processing device,
It is connect with first pre-processing device, for being based on the real time fingerprint image when receiving the left side distribution signal
The maximum amplitude of left half figure determines that beam search window, the beam search window are square the left half-window of pixel window
Mouthful, the side length of the square pixel point window is directly proportional to the left maximum amplitude of half figure of the real time fingerprint image；Data are adopted
Collect equipment, is connect respectively with first pre-processing device and second pre-processing device, by the real time fingerprint image
Each pixel obtains each search pixel point of pixel to be processed as pixel to be processed；Divide pixel filter equipment,
It is connect with the data acquisition equipment, the mean value of each pixel value of each search pixel point for obtaining pixel to be processed
Using the directional filtering pixel value as the pixel to be processed, based on determining for each pixel in the real time fingerprint image
Described corresponding point of pixel filter image of real time fingerprint image is exported to filtered pixel value；Rotary processing equipment is arranged in fingerprint
On the circuit board of lock, divide pixel filter equipment to connect with described, for receive it is described divide pixel filter image, divide picture described in acquisition
The placed angle of each object in plain filtering image, and based on predetermined angle threshold value to it is described divide it is each in pixel filter image
A object carries out the correction of placed angle, so that the placed angle for dividing each of pixel filter image object and institute
The deviation for stating predetermined angle threshold value is less than predetermined angle threshold value, wherein the rotary processing equipment exports rotation processing image；Become
Adaptive step filter apparatus is connect with the rotary processing equipment, for receiving the rotation processing image, for described
Rotation processing image executes variable-step self-adaptive filtering processing, to obtain corresponding variable-step self-adaptive filtering image；Edge increases
Strong equipment is connect with the variable-step self-adaptive filter apparatus, for receiving the variable-step self-adaptive filtering image, and to institute
It states variable-step self-adaptive filtering image and executes edge enhancing processing, it is corresponding with the variable-step self-adaptive filtering image to obtain
Edge enhanced images, and export the edge enhanced images；Target sharpens equipment, connect, is used for edge enhancing equipment
The edge enhanced images are received, each object area in the edge enhanced images is obtained based on object grey scale distribution
Domain executes zone boundary Edge contrast to each subject area, by each object area in the edge enhanced images
After domain has been carried out zone boundary Edge contrast, boundary sharpening image corresponding with the edge enhanced images is exported；User knows
Other equipment, is arranged on the circuit board of Fingerprint Lock, sharpens equipment with the target and connect, for receiving the boundary sharpening figure
Picture, based on preset fingerprint upper limit gray threshold and preset fingerprint lower limit gray threshold to each pixel of the boundary sharpening image
Point carries out the identification of fingerprint pixel, and each fingerprint pixel in the boundary sharpening image is formed fingerprint subgraph, right
The fingerprint subgraph carries out signature analysis, to determine user information corresponding with the fingerprint subgraph；Instant alerts equipment,
It connect, is embedded in the shell of Fingerprint Lock with the user-identification device, for receiving the user information, and be based on the use
Family information, which determines whether to issue, allows unlocking signal.
More specifically, in standby key sealing control system: in the instant alerts equipment, as the user
When information is authorization user information, issuing allows unlocking signal.
More specifically, in standby key sealing control system: described each in second pre-processing device
Search pixel point is in the beam search window of the pixel to be processed, and the pixel to be processed is in its beam search window
The center of corresponding square pixel point window.
More specifically, in standby key sealing control system: realizing institute respectively using the SOC chip of different model
It states the first pre-processing device, second pre-processing device, the data acquisition equipment and described divides pixel filter equipment.
More specifically, in standby key sealing control system: first pre-processing device is also used to receiving
When to the right side distribution signal, beam search window, institute are determined based on the maximum amplitude of right half figure of the real time fingerprint image
State the right half window that beam search window is square pixel window, the side length and the reality of the square pixel point window
When right half figure of fingerprint image maximum amplitude it is directly proportional.
More specifically, in standby key sealing control system: in the instant alerts equipment, as the user
When information is unauthorized user information, unlocking signal is forbidden in sending.
More specifically, in standby key sealing control system: in the electric power detection device, being also used in institute
When stating the remaining capacity of Fingerprint Lock internal cell more than or equal to the default power threshold, electric power abundance signal is issued.
More specifically, in standby key sealing control system: in the state switching equipment, being also used to connecing
When receiving the electric power abundance signal, the current state of Fingerprint Lock is switched to fingerprint detection state from backup circuit breaker state.
Detailed description of the invention
Embodiment of the present invention is described below with reference to attached drawing, in which:
Fig. 1 is the shape of the Fingerprint Lock according to applied by the standby key sealing control system shown in embodiment of the present invention
Structure chart.
Specific embodiment
The embodiment of standby key sealing control system of the invention is described in detail below with reference to accompanying drawings.
Fingerprint Lock is intelligent lock, it is computer information technology, electronic technology, mechanical technique and modern five gold process
Perfection crystallization.The characteristic of fingerprint becomes the most important evidence of identification identity and is widely used in police criminal detection and judicial domain.
Finger print identifying has the characteristics that easily and fast, accurately.With universal, the development of smart home of science and technology, more
Also start to select Fingerprint Lock come more crowds.
In order to overcome above-mentioned deficiency, the present invention has built a kind of standby key sealing control system, can effectively solve the problem that phase
The technical issues of answering.
Fig. 1 is the shape of the Fingerprint Lock according to applied by the standby key sealing control system shown in embodiment of the present invention
Structure chart.
The standby key shown according to an embodiment of the present invention seals control system
Standby key sealing, is arranged in the tail portion of Fingerprint Lock, for when opened, the key of open Fingerprint Lock tail portion to be inserted
Entrance, and when being closed, seal the key insert port of Fingerprint Lock tail portion；
Electric power detection device, is arranged on the circuit board of Fingerprint Lock, for detecting the remaining capacity of Fingerprint Lock internal cell,
When being less than default power threshold for the remaining capacity in the Fingerprint Lock internal cell, electric power shortage signal is issued；
State switching equipment, is arranged on the circuit board of Fingerprint Lock, respectively with the standby key sealing and the electric power
Detection device connection, for when receiving the electric power shortage signal, by the current state of Fingerprint Lock from fingerprint detection state
It is switched to backup circuit breaker state；The Fingerprint Lock opens standby key sealing in backup circuit breaker state in order to user's insertion
The opening operation of standby key progress Fingerprint Lock；
Image zooming-out equipment, is embedded in the shell of Fingerprint Lock, for receiving the finger print information of user's input, to obtain simultaneously
Export corresponding real time fingerprint image；
First pre-processing device is connect with described image extract equipment, for receiving the real time fingerprint image, to described
Noise profile situation in real time fingerprint image is detected, with the noise in the determination real time fingerprint image described real-time
The maximum amplitude of half figure of a fingerprint image left side and the noise in the real time fingerprint image are schemed in the real time fingerprint image right half
Maximum amplitude, and by the noise in the real time fingerprint image left half figure of the real time fingerprint image maximum amplitude with
Noise in the real time fingerprint image is compared in the maximum amplitude of right half figure of the real time fingerprint image, and in the reality
When fingerprint image in noise be greater than in the real time fingerprint image in the maximum amplitude of left half figure of the real time fingerprint image
Noise issues left side distribution signal in the maximum amplitude of right half figure of the real time fingerprint image；First pre-processing device
The noise being also used in the real time fingerprint image is less than or equal to institute in the maximum amplitude of left half figure of the real time fingerprint image
The noise in real time fingerprint image is stated in the maximum amplitude of right half figure of the real time fingerprint image, issues right side distribution signal；
Second pre-processing device is connect with first pre-processing device, for receiving the left side distribution signal
When, determine that beam search window, the beam search window are positive based on the maximum amplitude of left half figure of the real time fingerprint image
The left half window of square pixels point window, the side length of the square pixel point window and left half figure of the real time fingerprint image
Maximum amplitude is directly proportional；
Data acquisition equipment is connect with first pre-processing device and second pre-processing device respectively, will be described
Each pixel of real time fingerprint image obtains each search pixel point of pixel to be processed as pixel to be processed；
Divide pixel filter equipment, is connect with the data acquisition equipment, for obtaining each search of pixel to be processed
The mean value of each pixel value of pixel is based on the real-time finger using the directional filtering pixel value as the pixel to be processed
The directional filtering pixel value of each pixel in print image exports described corresponding point of pixel filter image of real time fingerprint image；
Rotary processing equipment is arranged on the circuit board of Fingerprint Lock, divides pixel filter equipment to connect with described, for receiving
Described point of pixel filter image divides the placed angle of each object in pixel filter image described in acquisition, and is based on predetermined angle
Threshold value is to the correction for dividing each of pixel filter image object to carry out placed angle, so that described divide pixel filter
The deviation of the placed angle of each of image object and the predetermined angle threshold value is less than predetermined angle threshold value, wherein institute
State rotary processing equipment output rotation processing image；
Variable-step self-adaptive filter apparatus is connect with the rotary processing equipment, for receiving the rotation processing image,
For executing variable-step self-adaptive filtering processing to the rotation processing image, to obtain corresponding variable-step self-adaptive filtering figure
Picture；
Edge enhances equipment, connect with the variable-step self-adaptive filter apparatus, for receiving the variable-step self-adaptive
Filtering image, and enhancing processing in edge is executed to the variable-step self-adaptive filtering image, it is adaptive with the variable step to obtain
The corresponding edge enhanced images of filtering image are answered, and export the edge enhanced images；
Target sharpens equipment, connect with edge enhancing equipment, for receiving the edge enhanced images, is based on object
Intensity profile range obtains each object region in the edge enhanced images, executes zone boundary to each subject area
Edge contrast, it is defeated with after each object region in the edge enhanced images has been carried out zone boundary Edge contrast
Boundary sharpening image corresponding with the edge enhanced images out；
User-identification device is arranged on the circuit board of Fingerprint Lock, sharpens equipment with the target and connect, for receiving
Boundary sharpening image is stated, based on preset fingerprint upper limit gray threshold and preset fingerprint lower limit gray threshold to the boundary sharpening figure
Each pixel of picture carries out the identification of fingerprint pixel, and each fingerprint pixel composition in the boundary sharpening image is referred to
Line subgraph carries out signature analysis to the fingerprint subgraph, to determine user information corresponding with the fingerprint subgraph；
Instant alerts equipment connect with the user-identification device, is embedded in the shell of Fingerprint Lock, described for receiving
User information, and determine whether to issue permission unlocking signal based on the user information.
Then, continue that the specific structure of standby key sealing control system of the invention is further detailed.
In standby key sealing control system: in the instant alerts equipment, when the user information is to award
When weighing user information, issuing allows unlocking signal.
In standby key sealing control system: in second pre-processing device, each search pixel
For point in the beam search window of the pixel to be processed, the pixel to be processed is corresponding just in its beam search window
The center of square pixels point window.
In standby key sealing control system: realizing that described first is pre- respectively using the SOC chip of different model
Processing equipment, second pre-processing device, the data acquisition equipment and described divide pixel filter equipment.
In standby key sealing control system: first pre-processing device is also used to receiving the right side
When distribution signal, beam search window, the beam search are determined based on the maximum amplitude of right half figure of the real time fingerprint image
Window is square the right half window of pixel window, the side length of the square pixel point window and the real time fingerprint image
The maximum amplitude of right half figure is directly proportional.
In standby key sealing control system: in the instant alerts equipment, when the user information is non-
When authorization user information, unlocking signal is forbidden in sending.
In standby key sealing control system: in the electric power detection device, being also used in the Fingerprint Lock
When the remaining capacity of internal cell is more than or equal to the default power threshold, electric power abundance signal is issued.
In standby key sealing control system: in the state switching equipment, be also used to receive it is described
When electric power abundance signal, the current state of Fingerprint Lock is switched to fingerprint detection state from backup circuit breaker state.
In addition, System on Chip, abbreviation SOC namely system on chip.It is said from narrow sense angle, he is information system core
The integrated chip of the heart is that system core component is integrated on one chip；It is said from broadest scope, SoC is a microminiature system
System, if central processing unit (CPU) is brain, then SOC is exactly the system for including brain, heart, eyes and hand.Both at home and abroad
Academia, which is generally inclined to, is defined as SOC by microprocessor, Analog IP core, (or the piece external storage control of digital IP kernel and memory
Interface) it integrates on a single chip, he is usually customization, or the standardized product towards special-purpose.What SOC was defined
Basic content is mainly both ways: one is his composition, the second is his forming process.The composition of system level chip, which can be, is
Irrespective of size chip controls logic module, microprocessor/microcontroller CPU core module, digital signal processor DSP module, insertion
Memory module and the external interface module communicated, the analog front-end module containing ADC/DAC, power supply provides and function
Consume management module, SOC wireless for one there are also RF front-end module, user define logic (he can by FPGA or ASIC reality
It is existing) and microelectron-mechanical module, it is often more important that a SOC chip be embedded with basic software (RDOS or COS and other answer
With software) module or the user software that can be loaded into etc..
Control system is sealed using standby key of the invention, for the technology that Fingerprint Lock reliability in the prior art is poor
Problem detects the remaining capacity of Fingerprint Lock internal cell using the electric power detection device on the circuit board that Fingerprint Lock is arranged in, with
When the remaining capacity of the Fingerprint Lock internal cell is less than default power threshold, standby key sealing is opened in order to which user inserts
Enter the opening operation that standby key carries out Fingerprint Lock, fingerprint recognition midway is avoided to fail because of electric power deficiency, meanwhile, introduce needle
The accuracy that the image processing mode of property, user information when improving electric power abundance based on fingerprint characteristic are recognized；And also
By the comparison result of left side noise amplitude and right side noise amplitude to image to be processed, the image to be processed is held in determination
Directional filtering strategy capable, corresponding with the comparison result, improves the specific aim and validity of image filtering, to solve
Above-mentioned technical problem.
It is understood that although the present invention has been disclosed in the preferred embodiments as above, above-described embodiment not to
Limit the present invention.For any person skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications all are made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as
With the equivalent embodiment of variation.Therefore, anything that does not depart from the technical scheme of the invention are right according to the technical essence of the invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments still fall within the range of technical solution of the present invention protection
It is interior.
Claims (8)
1. a kind of standby key seals control system, the system comprises:
Standby key sealing, is arranged in the tail portion of Fingerprint Lock, for when opened, the key of open Fingerprint Lock tail portion to be inserted into
Mouthful, and when being closed, seal the key insert port of Fingerprint Lock tail portion；
Electric power detection device, is arranged on the circuit board of Fingerprint Lock, for detecting the remaining capacity of Fingerprint Lock internal cell, is used for
When the remaining capacity of the Fingerprint Lock internal cell is less than default power threshold, electric power shortage signal is issued；
State switching equipment, is arranged on the circuit board of Fingerprint Lock, detects respectively with standby key sealing and the electric power
Equipment connection, for when receiving the electric power shortage signal, the current state of Fingerprint Lock to be switched from fingerprint detection state
To backup circuit breaker state；It is spare in order to which user is inserted into open standby key sealing in backup circuit breaker state for the Fingerprint Lock
The opening operation of key progress Fingerprint Lock；
Image zooming-out equipment, is embedded in the shell of Fingerprint Lock, for receiving the finger print information of user's input, to obtain and export
Corresponding real time fingerprint image；
First pre-processing device is connect with described image extract equipment, for receiving the real time fingerprint image, to described real-time
Noise profile situation in fingerprint image is detected, with the noise in the determination real time fingerprint image in the real time fingerprint
The maximum amplitude and noise in the real time fingerprint image of half figure of an image left side right half figure of the real time fingerprint image most
Amplitude, and by the noise in the real time fingerprint image left half figure of the real time fingerprint image maximum amplitude with it is described
Noise in real time fingerprint image is compared in the maximum amplitude of right half figure of the real time fingerprint image, and in the real-time finger
Noise in print image is greater than the noise in the real time fingerprint image in the maximum amplitude of left half figure of the real time fingerprint image
In the maximum amplitude of right half figure of the real time fingerprint image, left side distribution signal is issued；First pre-processing device is also used
It is less than or equal to the reality in the maximum amplitude of left half figure of the real time fingerprint image in the noise in the real time fingerprint image
When fingerprint image in noise in the maximum amplitude of right half figure of the real time fingerprint image, issue right side distribution signal；
Second pre-processing device is connect with first pre-processing device, for when receiving the left side distribution signal, base
Determine that beam search window, the beam search window are square picture in the maximum amplitude of left half figure of the real time fingerprint image
Left half figure of the left half window of vegetarian refreshments window, the side length of the square pixel point window and the real time fingerprint image most substantially
It is worth directly proportional；
Data acquisition equipment is connect with first pre-processing device and second pre-processing device respectively, will be described real-time
Each pixel of fingerprint image obtains each search pixel point of pixel to be processed as pixel to be processed；
Divide pixel filter equipment, is connect with the data acquisition equipment, for obtaining each search pixel of pixel to be processed
The mean value of each pixel value of point is based on the real time fingerprint figure using the directional filtering pixel value as the pixel to be processed
The directional filtering pixel value of each pixel as in exports described corresponding point of pixel filter image of real time fingerprint image；
Rotary processing equipment is arranged on the circuit board of Fingerprint Lock, divides pixel filter equipment to connect with described, described for receiving
Divide pixel filter image, the placed angle of each object in pixel filter image is divided described in acquisition, and be based on predetermined angle threshold value
To the correction for dividing each of pixel filter image object to carry out placed angle, so that described divide pixel filter image
Each of the deviation of the placed angle of object and the predetermined angle threshold value be less than predetermined angle threshold value, wherein the rotation
Turn processing equipment output rotation processing image；
Variable-step self-adaptive filter apparatus is connect with the rotary processing equipment, for receiving the rotation processing image, is used for
Variable-step self-adaptive filtering processing is executed to the rotation processing image, to obtain corresponding variable-step self-adaptive filtering image；
Edge enhances equipment, connect with the variable-step self-adaptive filter apparatus, for receiving the variable-step self-adaptive filtering
Image, and enhancing processing in edge is executed to the variable-step self-adaptive filtering image, it is filtered with obtaining with the variable-step self-adaptive
The corresponding edge enhanced images of wave image, and export the edge enhanced images；
Target sharpens equipment, connect with edge enhancing equipment, for receiving the edge enhanced images, is based on object grey scale
Distribution obtains each object region in the edge enhanced images, executes zone boundary to each subject area and sharpens
Processing, with after each object region in the edge enhanced images has been carried out zone boundary Edge contrast, output with
The corresponding boundary sharpening image of the edge enhanced images；
User-identification device is arranged on the circuit board of Fingerprint Lock, sharpens equipment with the target and connect, for receiving the side
Boundary's sharpening image, based on preset fingerprint upper limit gray threshold and preset fingerprint lower limit gray threshold to the boundary sharpening image
Each pixel carries out the identification of fingerprint pixel, by each fingerprint pixel composition fingerprint in the boundary sharpening image
Image carries out signature analysis to the fingerprint subgraph, to determine user information corresponding with the fingerprint subgraph；
Instant alerts equipment connect with the user-identification device, is embedded in the shell of Fingerprint Lock, for receiving the user
Information, and determine whether to issue permission unlocking signal based on the user information.
2. standby key as described in claim 1 seals control system, it is characterised in that:
In the instant alerts equipment, when the user information is authorization user information, issuing allows unlocking signal.
3. standby key as claimed in claim 2 seals control system, it is characterised in that:
In second pre-processing device, beam search window of each search pixel point in the pixel to be processed
In, the pixel to be processed is in the center of the corresponding square pixel point window of its beam search window.
4. standby key as claimed in claim 3 seals control system, it is characterised in that:
First pre-processing device, second pre-processing device, the number are realized using the SOC chip of different model respectively
According to acquisition equipment and described divide pixel filter equipment.
5. standby key as claimed in claim 4 seals control system, it is characterised in that:
First pre-processing device is also used to when receiving the right side distribution signal, right based on the real time fingerprint image
The maximum amplitude of half figure determines that beam search window, the beam search window are square the right half window of pixel window,
The side length of the square pixel point window is directly proportional to the right maximum amplitude of half figure of the real time fingerprint image.
6. standby key as claimed in claim 5 seals control system, it is characterised in that:
In the instant alerts equipment, when the user information is unauthorized user information, unlocking signal is forbidden in sending.
7. standby key as claimed in claim 6 seals control system, it is characterised in that:
In the electric power detection device, it is also used to be more than or equal in the remaining capacity of the Fingerprint Lock internal cell described default
When power threshold, electric power abundance signal is issued.
8. standby key as claimed in claim 7 seals control system, it is characterised in that:
It in the state switching equipment, is also used to when receiving the electric power abundance signal, by the current state of Fingerprint Lock
Fingerprint detection state is switched to from backup circuit breaker state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810791234.0A CN108961510A (en) | 2018-07-18 | 2018-07-18 | Standby key seals control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810791234.0A CN108961510A (en) | 2018-07-18 | 2018-07-18 | Standby key seals control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108961510A true CN108961510A (en) | 2018-12-07 |
Family
ID=64495896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810791234.0A Withdrawn CN108961510A (en) | 2018-07-18 | 2018-07-18 | Standby key seals control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108961510A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109636761A (en) * | 2018-12-28 | 2019-04-16 | 张传涛 | Reliability on-scene care mechanism |
| CN109646777A (en) * | 2019-02-28 | 2019-04-19 | 李海峰 | Auxiliary instrument self-adaptive switch mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010052541A1 (en) * | 2000-02-07 | 2001-12-20 | Hyung-Ja Kang | Powerless electronic signature apparatus based on fingerprint recognition |
| CN103093530A (en) * | 2013-01-15 | 2013-05-08 | 李文摆 | Laser lock and key |
| CN104821028A (en) * | 2015-05-18 | 2015-08-05 | 广州市我家网络科技有限公司 | Information-sharable internet home guard information service system |
| CN104831998A (en) * | 2015-05-18 | 2015-08-12 | 广州市我家网络科技有限公司 | Intellectualized security and protection device for opening mechanical lock in antitheft mode |
| CN105405192A (en) * | 2015-12-08 | 2016-03-16 | 蔡和柱 | Double-circuit frame lock door controlled by mobile phone, remote control, fingerprints, password and optoelectronic switch |
-
2018
- 2018-07-18 CN CN201810791234.0A patent/CN108961510A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010052541A1 (en) * | 2000-02-07 | 2001-12-20 | Hyung-Ja Kang | Powerless electronic signature apparatus based on fingerprint recognition |
| CN103093530A (en) * | 2013-01-15 | 2013-05-08 | 李文摆 | Laser lock and key |
| CN104821028A (en) * | 2015-05-18 | 2015-08-05 | 广州市我家网络科技有限公司 | Information-sharable internet home guard information service system |
| CN104831998A (en) * | 2015-05-18 | 2015-08-12 | 广州市我家网络科技有限公司 | Intellectualized security and protection device for opening mechanical lock in antitheft mode |
| CN105405192A (en) * | 2015-12-08 | 2016-03-16 | 蔡和柱 | Double-circuit frame lock door controlled by mobile phone, remote control, fingerprints, password and optoelectronic switch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109636761A (en) * | 2018-12-28 | 2019-04-16 | 张传涛 | Reliability on-scene care mechanism |
| CN109646777A (en) * | 2019-02-28 | 2019-04-19 | 李海峰 | Auxiliary instrument self-adaptive switch mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Bi et al. | A visual search inspired computational model for ship detection in optical satellite images | |
| US8180118B2 (en) | Finger sensing device with spoof reduction features and associated methods | |
| CN105893980B (en) | A kind of attention focus evaluation method and system | |
| CN107592933A (en) | Security-biometric data capture, processing and management | |
| WO2016049655A1 (en) | Fingerprint sensors | |
| US20170364727A1 (en) | Display device | |
| CN108961510A (en) | Standby key seals control system | |
| CN108074303A (en) | A kind of scheme that can expand recognition of face number of users | |
| KR20190087339A (en) | Apparatus and method for recognizing fake finger, apparatus for sensing fingerprint | |
| CN109815780A (en) | A kind of high-precision fingerprint identification method and system based on image procossing | |
| CN106485125A (en) | A kind of fingerprint identification method and device | |
| CN103206132A (en) | Biological information recognition system for safe box | |
| CN107615301A (en) | The safety storage of fingerprint coherent element | |
| CN106845200A (en) | A kind of iris unlocking method and a device based on SAR sensors | |
| CN109388927B (en) | Lightweight joint authentication method based on fingertip impedance and RFID label physical layer signal | |
| CN105844265B (en) | A kind of fingerprint image treating method and apparatus | |
| EP3885982A2 (en) | Hand biometrics system and method using digital fingerprints | |
| CN110043129A (en) | Intelligent door lock and intelligent door lock system | |
| CN104424721A (en) | Face shield identification method combined with ATM | |
| CN107589968A (en) | Put out screen unlocks method and apparatus | |
| CN109145845B (en) | Residence authority electronic distinguishing method | |
| CN109521866A (en) | A kind of low-power consumption face identification method and system | |
| KR101862478B1 (en) | Fingerprint sensing type furniture being capable of preventing forgery for fingerprint sensor | |
| Mueller et al. | An approach to biometric identity management using low cost equipment | |
| CN101241526A (en) | Palm moving electronic device image identification authentication method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181207 |