CN106373254B - The localization method and device of magnetic security line - Google Patents
The localization method and device of magnetic security line Download PDFInfo
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- CN106373254B CN106373254B CN201610712727.1A CN201610712727A CN106373254B CN 106373254 B CN106373254 B CN 106373254B CN 201610712727 A CN201610712727 A CN 201610712727A CN 106373254 B CN106373254 B CN 106373254B
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
- G07D7/04—Testing magnetic properties of the materials thereof, e.g. by detection of magnetic imprint
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- General Physics & Mathematics (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
- Pinball Game Machines (AREA)
- Credit Cards Or The Like (AREA)
Abstract
The embodiment of the invention discloses the localization methods and device of a kind of magnetic security line, are applied to money-checking equipment.This method comprises: obtaining the zone boundary of background patterns magnetic regions in magnetic image；In the magnetic image other than the zone boundary, according to the quantity of magnetic dot number in magnet passage, the position of magnetic security line is determined, the magnet passage is the column in magnetic image.The embodiment of the present invention solve when cash inspecting machine aging or it is contaminated when, using the localization method of existing magnetic security line, the problem of may cause the position inaccurate of magnetic security line, realize the effect for improving the accuracy of magnetic security line positioning in bank note.
Description
Technical field
The present embodiments relate to safety line identification technology more particularly to a kind of localization methods and dress of magnetic security line
It sets.
Background technique
The safe Line feature of RMB is the important evidence of RMB authenticity verification.Only it is being properly positioned magnetic peace
Behind the position of all fronts, cash inspecting machine could the feature to magnetic security line further detected, thus improve RMB knowledge
Not rate.
For 50 yuans, in background patterns magnetic regions, crown word number magnetic regions and magnetic security line region, lead to
The magnetic dot quantity crossing magnetic ink and pre-seting is different.The localization method of existing magnetic security line, passes through currency examination device pair
The magnetic dot pre-seted on bank note is detected, such as (such as 50 yuans of Potala Palace is magnetic to background patterns magnetic regions
Region) magnetic dot number, the magnetic dot number of crown word number magnetic regions and the magnetic dot number in magnetic security line region detect respectively；Then
The position of magnetic security line is determined by comparing the magnetic dot number of all magnetic regions.
Since background patterns magnetic regions are larger, and the region magnetic dot number connects with the magnetic dot number in magnetic security line region
Closely, when cash inspecting machine aging or it is contaminated when, cash inspecting machine obtain magnetic dot number may have error, to generate magnetic security line
Position inaccurate the problem of.
Summary of the invention
The embodiment of the present invention provides the localization method and device of a kind of magnetic security line, to improve magnetic security line in bank note
The accuracy of positioning.
In a first aspect, being applied to money-checking equipment, packet the embodiment of the invention provides a kind of localization method of magnetic security line
It includes:
Obtain the zone boundary of background patterns magnetic regions in magnetic image；
In the magnetic image other than the zone boundary, according to the quantity of magnetic dot number in magnet passage, magnetic security line is determined
Position, the magnet passage be magnetic image in column.
Further, the zone boundary for obtaining background patterns magnetic regions in magnetic image includes:
Since the first passage of magnetic image, it is incremented by that direction finding magnetic dot number is more than given threshold along magnet passage serial number
One magnet passage, and be more than first magnet passage of given threshold as starting magnet passage using the magnetic dot number；
Since the most end channel of magnetic image, successively decrease the of direction finding magnetic dot number more than given threshold along magnet passage serial number
One magnet passage, and be more than first magnet passage of given threshold as termination magnet passage using the magnetic dot number；
In the starting magnet passage and each intermediate magnet passage terminated between magnet passage, according in intermediate magnet passage
Magnetic dot number, obtain magnetic image in background patterns magnetic regions zone boundary.
Further, in the starting magnet passage and each intermediate magnet passage terminated between magnet passage, in
Between magnetic dot number in magnet passage, obtain the zone boundary of background patterns magnetic regions in magnetic image, comprising:
Since originating magnet passage, adjacent the sum of the magnetic dot number of N number of magnet passage is obtained towards magnet passage direction is terminated, and remember
For nSum1, wherein N is positive integer and 2 < N < 5；
Since terminating magnet passage, adjacent the sum of the magnetic dot number of N number of magnet passage is obtained towards starting magnet passage direction, and remember
For nSum2, wherein N is positive integer and 2 < N < 5；
Compare the numerical values recited of nSum1 and nSum2；
According to comparison result, the zone boundary of background patterns magnetic regions in the magnetic image is obtained.
It is further, described that the zone boundary of background patterns magnetic regions in the magnetic image is obtained according to comparison result,
Include:
As nSum1 > nSum2, the left margin of background patterns magnetic regions in the magnetic image is positioned as starting magnet passage；
Since the starting magnet passage, it is incremented by the most phase that direction finding magnetic dot number is less than given threshold along magnet passage serial number
Adjacent magnet passage；
The most adjacent magnet passage that the magnetic dot number is less than given threshold is positioned as background patterns magnetic in the magnetic image
The right margin in property region.
It is further, described that the zone boundary of background patterns magnetic regions in the magnetic image is obtained according to comparison result,
Include:
As nSum1 < nSum2, the right margin of background patterns magnetic regions in the magnetic image is positioned to terminate magnet passage；
Since the termination magnet passage, along magnet passage serial number successively decrease direction finding magnetic dot number be less than given threshold most phase
Adjacent magnet passage；
The most adjacent magnet passage that the magnetic dot number is less than given threshold is positioned as background patterns magnetic in the magnetic image
The left margin in property region.
Further, in the magnetic image other than the zone boundary, according to the quantity of magnetic dot number in magnet passage, magnetic is determined
The position of property safety line, comprising:
In the magnetic image other than the zone boundary, the most channel of magnetic dot number in magnet passage is determined as magnetic security
The position of line.
Second aspect, the embodiment of the invention also provides a kind of positioning devices of magnetic security line, are applied to money-checking equipment,
Include:
Module is obtained, for obtaining the zone boundary of background patterns magnetic regions in magnetic image；
Locating module, in the magnetic image other than the zone boundary, according to the quantity of magnetic dot number in magnet passage, really
Determine the position of magnetic security line, the magnet passage is the column in magnetic image.
Further, the acquisition module includes:
Starting magnet passage determines submodule, for being incremented by direction along magnet passage serial number since the first passage of magnetic image
First magnet passage that magnetic dot number is more than given threshold is found, and is more than first magnet passage of given threshold by the magnetic dot number
As starting magnet passage；
It terminates magnet passage and determines submodule, for since the most end channel of magnetic image, successively decrease direction along magnet passage serial number
First magnet passage that magnetic dot number is more than given threshold is found, and is more than first magnet passage of given threshold by the magnetic dot number
As termination magnet passage；
Zone boundary acquisition submodule, in the starting magnet passage and each intermediate magnetic terminated between magnet passage
In channel, according to the magnetic dot number in intermediate magnet passage, the zone boundary of background patterns magnetic regions in magnetic image is obtained.
Further, the zone boundary acquisition submodule includes:
First acquisition unit, for obtaining adjacent N number of magnet passage towards magnet passage direction is terminated since originating magnet passage
The sum of magnetic dot number, and be denoted as nSum1, wherein N is positive integer and 2 < N < 5；
Second acquisition unit, for obtaining adjacent N number of magnet passage towards starting magnet passage direction since terminating magnet passage
The sum of magnetic dot number, and be denoted as nSum2, wherein N is positive integer and 2 < N < 5；
Comparing unit, for comparing the numerical values recited of nSum1 and nSum2；
Third acquiring unit, for obtaining the region of background patterns magnetic regions in the magnetic image according to comparison result
Boundary.
Further, the third acquiring unit includes:
First locator unit, for positioning background patterns magnetic regions in the magnetic image as nSum1 > nSum2
Left margin is starting magnet passage；
First finds subelement, for being incremented by direction finding magnetic dot along magnet passage serial number since the starting magnet passage
Number is less than the most adjacent magnet passage of given threshold；
Second locator unit, the most adjacent magnet passage for the magnetic dot number to be less than given threshold are positioned as described
The right margin of background patterns magnetic regions in magnetic image.
Further, the third acquiring unit includes:
Third locator unit, for positioning background patterns magnetic regions in the magnetic image as nSum1 < nSum2
Right margin is to terminate magnet passage；
Second finds subelement, for since the termination magnet passage, successively decreases direction finding magnetic dot along magnet passage serial number
Number is less than the most adjacent magnet passage of given threshold；
4th locator unit, the most adjacent magnet passage for the magnetic dot number to be less than given threshold are positioned as described
The left margin of background patterns magnetic regions in magnetic image.
Further, the locating module includes:
Position determination submodule, it is in the magnetic image other than the zone boundary, magnetic dot number in magnet passage is most
Channel be determined as the position of magnetic security line.
The zone boundary that the embodiment of the present invention passes through background patterns magnetic regions in acquisition magnetic image；In the zone boundary
In magnetic image in addition, according to the quantity of magnetic dot number in magnet passage, the position of magnetic security line is determined, the magnet passage is magnetic chart
As in column, solve when cash inspecting machine aging or it is contaminated when, using the localization method of existing magnetic security line, may cause
The problem of position inaccurate of magnetic security line, realizes the effect for improving the accuracy of magnetic security line positioning in bank note.
Detailed description of the invention
Fig. 1 is the flow chart of the localization method of one of embodiment of the present invention one magnetic security line；
Fig. 2 is the flow chart of the localization method of one of embodiment of the present invention two magnetic security line；
Fig. 3 is the structure chart of the positioning device of one of embodiment of the present invention three magnetic security line.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Embodiment one
Fig. 1 is the flow chart of the localization method of one of embodiment of the present invention one magnetic security line, and the present embodiment can fit
For needing to position magnetic security line, the case where to carry out RMB magnetic security Line feature, this method can be by magnetism
The positioning device of safety line executes, and wherein the device can be by software and or hardware realization, which can be integrated in money-checking and set
In standby.With reference to Fig. 1, the localization method of magnetic security line provided in this embodiment can specifically include following steps:
S110, the zone boundary for obtaining background patterns magnetic regions in magnetic image.
Specifically, the background patterns magnetic regions are printed with magnetic ink, for example, the background patterns magnetic regions can
Think 50 yuans of Potala Palace magnetic regions, etc..It can be obtained according to the magnetic dot distribution characteristics of magnetic image to be checked
The zone boundary of background patterns magnetic regions in the magnetic image of RMB, can also be different according to magnetic image different zones magnetic dot number
Magnetic image of the principle to obtain RMB to be checked in background patterns magnetic regions zone boundary, or using other modes come
Obtain the zone boundary of background patterns magnetic regions in the magnetic image of RMB to be checked.
S120, in the magnetic image other than the zone boundary, according to the quantity of magnetic dot number in magnet passage, determine magnetic peace
The position of all fronts, the magnet passage are the column in magnetic image.
Specifically, in obtaining magnetic image after the zone boundary of background patterns magnetic regions, to shield the RMB
Background patterns magnetic regions mode, determine the position of magnetic security line.I.e. in the magnetic image other than the zone boundary,
According to the quantity of magnetic dot number in magnet passage, the position of magnetic security line is determined, the magnet passage is the column in magnetic image.By institute
It states in the magnetic image other than zone boundary, has magnetic region and there was only crown word number magnetic regions and magnetic security line region, because
And optionally, in the magnetic image other than the zone boundary, according to the quantity of magnetic dot number in magnet passage, determine magnetic security
The position of line may include: to determine the most channel of magnetic dot number in magnet passage in the magnetic image other than the zone boundary
For the position of magnetic security line.It certainly, can also be according to the specific distribution of magnetic dot in the magnetic image other than the zone boundary
Feature determines the position of magnetic security line.Alternatively, using other modes.
The zone boundary that the technical solution of the present embodiment passes through background patterns magnetic regions in acquisition magnetic image；In the area
In magnetic image other than the boundary of domain, according to the quantity of magnetic dot number in magnet passage, the position of magnetic security line, the magnet passage are determined
For the column in magnetic image, solve when cash inspecting machine aging or it is contaminated when, can using the localization method of existing magnetic security line
The problem of capable of leading to the position inaccurate of magnetic security line, realizes the effect for improving the accuracy of magnetic security line positioning in bank note
Fruit.
Embodiment two
Fig. 2 is the flow chart of the localization method of one of embodiment of the present invention two magnetic security line, and the present embodiment is upper
It states and increases on the basis of embodiment one according to the magnetic dot number in intermediate magnet passage, obtain background patterns magnetic regions in magnetic image
Zone boundary optional technical solution.With reference to Fig. 2, the localization method of magnetic security line provided in this embodiment specifically be can wrap
Include following steps:
S210, since the first passage of magnetic image, along magnet passage serial number be incremented by direction finding magnetic dot number be more than setting threshold
First magnet passage of value, and be more than first magnet passage of given threshold as starting magnet passage using the magnetic dot number.
Specifically, the given threshold can be 5 or the numerical value of other very littles.Since the first passage of magnetic image,
Being incremented by first magnet passage that direction finding magnetic dot number is more than given threshold along magnet passage serial number can be used as starting magnet passage.Example
Such as, it is assumed that the given threshold is 5, if being incremented by direction finding since the first passage of magnetic image along magnet passage serial number and arriving
Magnetic dot number is more than that 5 first magnet passages are the third channel of magnetic image, then, just the third channel of the magnetic image is made
To originate magnet passage.
S220, since the most end channel of magnetic image, along magnet passage serial number successively decrease direction finding magnetic dot number be more than setting threshold
First magnet passage of value, and be more than first magnet passage of given threshold as termination magnet passage using the magnetic dot number.
Specifically, the given threshold can be 5 or the numerical value of other very littles.Since the most end channel of magnetic image,
More than first magnet passage of given threshold it can be used as termination magnet passage along the magnet passage serial number direction finding magnetic dot number that successively decreases.Example
Such as, it is assumed that the given threshold is 5, if since the most end channel (i.e. the 18th channel) of magnetic image, along magnet passage serial number
It is the 17th channel of magnetic image that the direction finding that successively decreases, which is more than 5 first magnet passages to magnetic dot number, then, just by the magnetic
17th channel of image is as termination magnet passage.
In S230, each intermediate magnet passage between the starting magnet passage and the termination magnet passage, according to intermediate magnetic
Magnetic dot number in channel obtains the zone boundary of background patterns magnetic regions in magnetic image.
Specifically, it is assumed that the starting magnet passage is the third channel of magnetic image；The magnet passage that terminates is magnetic image
17th channel, then, just in each intermediate magnet passage between the third channel and the 17th channel, according to centre
Magnetic dot number in magnet passage obtains the zone boundary of background patterns magnetic regions in magnetic image.
Optionally, in the starting magnet passage and each intermediate magnet passage terminated between magnet passage, according to centre
Magnetic dot number in magnet passage obtains the zone boundary of background patterns magnetic regions in magnetic image, comprising:
Since originating magnet passage, adjacent the sum of the magnetic dot number of N number of magnet passage is obtained towards magnet passage direction is terminated, and remember
For nSum1, wherein N is positive integer and 2 < N < 5.
Specifically, since the background patterns magnetic regions and the crown word number magnetic regions at least occupy 4 magnet passages,
Then optional 4 magnet passages of N number of magnet passage.Assuming that the starting magnet passage is the third channel of magnetic image；The termination magnetic
Channel is the 17th channel of magnetic image, then, just since the third channel, obtained towards the 17th channel direction adjacent
The sum of the magnetic dot number of 4 magnet passages, and it is denoted as nSum1.
Since terminating magnet passage, adjacent the sum of the magnetic dot number of N number of magnet passage is obtained towards starting magnet passage direction, and remember
For nSum2, wherein N is positive integer and 2 < N < 5.
Specifically, assuming that the starting magnet passage is the third channel of magnetic image；The magnet passage that terminates is magnetic image
17th channel；And N=4, then, just since the 17th channel, 4 adjacent magnetic are obtained towards third channel direction
The sum of the magnetic dot number in channel, and it is denoted as nSum2.
Compare the numerical values recited of nSum1 and nSum2.
According to comparison result, the zone boundary of background patterns magnetic regions in the magnetic image is obtained.
Specifically, obtaining background patterns magnetic in the magnetic image according to the size comparison result of nSum1 and nSum2 numerical value
The zone boundary in property region.
It is further, described that the zone boundary of background patterns magnetic regions in the magnetic image is obtained according to comparison result,
May include:
As nSum1 > nSum2, the left margin of background patterns magnetic regions in the magnetic image is positioned as starting magnet passage.
Specifically, assume that the starting magnet passage is the third channel of magnetic image, then, as nSum1 > nSum2, positioning
The left margin of background patterns magnetic regions is third channel in the magnetic image.
Since the starting magnet passage, it is incremented by the most phase that direction finding magnetic dot number is less than given threshold along magnet passage serial number
Adjacent magnet passage.
Specifically, the given threshold can be equally 5 or the numerical value of other very littles.Assuming that the starting magnet passage
It is 5 for the third channel of magnetic image and the given threshold, then, just since the third channel, along magnet passage sequence
Number most adjacent magnet passage of the incremental direction finding magnetic dot number less than 5.
The most adjacent magnet passage that the magnetic dot number is less than given threshold is positioned as background patterns magnetic in the magnetic image
The right margin in property region.
It is further, described that the zone boundary of background patterns magnetic regions in the magnetic image is obtained according to comparison result,
Can also include:
As nSum1 < nSum2, the right margin of background patterns magnetic regions in the magnetic image is positioned to terminate magnet passage.
Specifically, assume that the termination magnet passage is the 17th channel of magnetic image, then, it is fixed as nSum1 < nSum2
The right margin of background patterns magnetic regions is the 17th channel in the magnetic image of position.
Since the termination magnet passage, along magnet passage serial number successively decrease direction finding magnetic dot number be less than given threshold most phase
Adjacent magnet passage.
Specifically, the given threshold can be equally 5 or the numerical value of other very littles.Assuming that the termination magnet passage
It is 5 for the 17th channel of magnetic image and the given threshold, then, just since the 17th channel, along magnetic flux
Road serial number is successively decreased most adjacent magnet passage of the direction finding magnetic dot number less than 5.
The most adjacent magnet passage that the magnetic dot number is less than given threshold is positioned as background patterns magnetic in the magnetic image
The left margin in property region.
S240, in the magnetic image other than the zone boundary, according to the quantity of magnetic dot number in magnet passage, determine magnetic peace
The position of all fronts, the magnet passage are the column in magnetic image.
The technical solution of the present embodiment is by finding starting magnet passage and terminating magnet passage；In the starting magnet passage and institute
It states in each intermediate magnet passage terminated between magnet passage, according to the magnetic dot number in intermediate magnet passage, obtains Background in magnetic image
The zone boundary of case magnetic regions；In the magnetic image other than the zone boundary, according to the quantity of magnetic dot number in magnet passage, really
Determine the position of magnetic security line, the magnet passage is the column in magnetic image, solve when cash inspecting machine aging or it is contaminated when, utilize
The localization method of existing magnetic security line, realizes raising paper at the problem of may cause the position inaccurate of magnetic security line
The effect for the accuracy that magnetic security line positions in coin.
Embodiment three
Fig. 3 is the structure chart of the positioning device of one of embodiment of the present invention three magnetic security line, and the present embodiment can fit
For needing to position magnetic security line, the case where to carry out RMB magnetic security Line feature, which can be integrated in and test
In paper money equipment.With reference to Fig. 3, the structure of the positioning device of magnetic security line provided in this embodiment specifically be can be such that
Module 310 is obtained, for obtaining the zone boundary of background patterns magnetic regions in magnetic image；
Locating module 320, in the magnetic image other than the zone boundary, according to the number of magnetic dot number in magnet passage
Amount, determines the position of magnetic security line, and the magnet passage is the column in magnetic image.
Optionally, the acquisition module includes:
Starting magnet passage determines submodule, for being incremented by direction along magnet passage serial number since the first passage of magnetic image
First magnet passage that magnetic dot number is more than given threshold is found, and is more than first magnet passage of given threshold by the magnetic dot number
As starting magnet passage；
It terminates magnet passage and determines submodule, for since the most end channel of magnetic image, successively decrease direction along magnet passage serial number
First magnet passage that magnetic dot number is more than given threshold is found, and is more than first magnet passage of given threshold by the magnetic dot number
As termination magnet passage；
Zone boundary acquisition submodule, in the starting magnet passage and each intermediate magnetic terminated between magnet passage
In channel, according to the magnetic dot number in intermediate magnet passage, the zone boundary of background patterns magnetic regions in magnetic image is obtained.
Optionally, the zone boundary acquisition submodule includes:
First acquisition unit, for obtaining adjacent N number of magnet passage towards magnet passage direction is terminated since originating magnet passage
The sum of magnetic dot number, and be denoted as nSum1, wherein N is positive integer and 2 < N < 5；
Second acquisition unit, for obtaining adjacent N number of magnet passage towards starting magnet passage direction since terminating magnet passage
The sum of magnetic dot number, and be denoted as nSum2, wherein N is positive integer and 2 < N < 5；
Comparing unit, for comparing the numerical values recited of nSum1 and nSum2；
Third acquiring unit, for obtaining the region of background patterns magnetic regions in the magnetic image according to comparison result
Boundary.
Optionally, the third acquiring unit includes:
First locator unit, for positioning background patterns magnetic regions in the magnetic image as nSum1 > nSum2
Left margin is starting magnet passage；
First finds subelement, for being incremented by direction finding magnetic dot along magnet passage serial number since the starting magnet passage
Number is less than the most adjacent magnet passage of given threshold；
Second locator unit, the most adjacent magnet passage for the magnetic dot number to be less than given threshold are positioned as described
The right margin of background patterns magnetic regions in magnetic image.
Optionally, the third acquiring unit includes:
Third locator unit, for positioning background patterns magnetic regions in the magnetic image as nSum1 < nSum2
Right margin is to terminate magnet passage；
Second finds subelement, for since the termination magnet passage, successively decreases direction finding magnetic dot along magnet passage serial number
Number is less than the most adjacent magnet passage of given threshold；
4th locator unit, the most adjacent magnet passage for the magnetic dot number to be less than given threshold are positioned as described
The left margin of background patterns magnetic regions in magnetic image.
Optionally, the locating module includes:
Position determination submodule, it is in the magnetic image other than the zone boundary, magnetic dot number in magnet passage is most
Channel be determined as the position of magnetic security line.
The positioning device of magnetic security line provided in this embodiment, with magnetic security provided by any embodiment of the invention
The localization method of line belongs to same inventive concept, and the positioning side of magnetic security line provided by any embodiment of the invention can be performed
Method has the corresponding functional module of localization method and beneficial effect for executing magnetic security line.It is not detailed in the present embodiment to retouch
The technical detail stated, reference can be made to the localization method for the magnetic security line that any embodiment of that present invention provides.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (12)
1. a kind of localization method of magnetic security line is applied to money-checking equipment characterized by comprising
Obtain the zone boundary of background patterns magnetic regions in magnetic image；
In the magnetic image other than the zone boundary, according to the quantity of magnetic dot number in magnet passage, the position of magnetic security line is determined
It sets, the magnet passage is the column in magnetic image.
2. the method according to claim 1, wherein the area for obtaining background patterns magnetic regions in magnetic image
Domain boundary includes:
Since the first passage of magnetic image, it is incremented by first that direction finding magnetic dot number is more than given threshold along magnet passage serial number
Magnet passage, and be more than first magnet passage of given threshold as starting magnet passage using the magnetic dot number；
It is more than first of given threshold along the magnet passage serial number direction finding magnetic dot number that successively decreases since the most end channel of magnetic image
Magnet passage, and be more than first magnet passage of given threshold as termination magnet passage using the magnetic dot number；
In the starting magnet passage and each intermediate magnet passage terminated between magnet passage, according to the magnetic in intermediate magnet passage
Points obtain the zone boundary of background patterns magnetic regions in magnetic image.
3. according to the method described in claim 2, it is characterized in that, between the starting magnet passage and the termination magnet passage
Each intermediate magnet passage in, according to the magnetic dot number in intermediate magnet passage, obtain the region of background patterns magnetic regions in magnetic image
Boundary, comprising:
Since originating magnet passage, adjacent the sum of the magnetic dot number of N number of magnet passage is obtained towards magnet passage direction is terminated, and be denoted as
NSum1, wherein N is positive integer and 2 < N < 5；
Since terminating magnet passage, adjacent the sum of the magnetic dot number of N number of magnet passage is obtained towards starting magnet passage direction, and be denoted as
NSum2, wherein N is positive integer and 2 < N < 5；
Compare the numerical values recited of nSum1 and nSum2；
According to comparison result, the zone boundary of background patterns magnetic regions in the magnetic image is obtained.
4. according to the method described in claim 3, obtaining and being carried on the back in the magnetic image it is characterized in that, described according to comparison result
The zone boundary of scape pattern magnetic regions, comprising:
As nSum1 > nSum2, the left margin of background patterns magnetic regions in the magnetic image is positioned as starting magnet passage；
Since the starting magnet passage, it is incremented by direction finding magnetic dot number along magnet passage serial number and is less than the most adjacent of given threshold
Magnet passage；
The most adjacent magnet passage that the magnetic dot number is less than given threshold is positioned as background patterns magnetic area in the magnetic image
The right margin in domain.
5. according to the method described in claim 3, obtaining and being carried on the back in the magnetic image it is characterized in that, described according to comparison result
The zone boundary of scape pattern magnetic regions, comprising:
As nSum1 < nSum2, the right margin of background patterns magnetic regions in the magnetic image is positioned to terminate magnet passage；
It is most adjacent less than given threshold along the magnet passage serial number direction finding magnetic dot number that successively decreases since the termination magnet passage
Magnet passage；
The most adjacent magnet passage that the magnetic dot number is less than given threshold is positioned as background patterns magnetic area in the magnetic image
The left margin in domain.
6. the method according to claim 1, wherein in the magnetic image other than the zone boundary, according to magnetic
The quantity of magnetic dot number in channel, determines the position of magnetic security line, comprising:
In the magnetic image other than the zone boundary, the most channel of magnetic dot number in magnet passage is determined as magnetic security line
Position.
7. a kind of positioning device of magnetic security line is applied to money-checking equipment characterized by comprising
Module is obtained, for obtaining the zone boundary of background patterns magnetic regions in magnetic image；
Locating module, for according to the quantity of magnetic dot number in magnet passage, determining magnetic in the magnetic image other than the zone boundary
Property safety line position, the magnet passage be magnetic image in column.
8. device according to claim 7, which is characterized in that the acquisition module includes:
Starting magnet passage determines submodule, for being incremented by direction finding along magnet passage serial number since the first passage of magnetic image
Magnetic dot number be more than given threshold first magnet passage, and using the magnetic dot number be more than given threshold first magnet passage as
Originate magnet passage；
It terminates magnet passage and determines submodule, for since the most end channel of magnetic image, successively decrease direction finding along magnet passage serial number
Magnetic dot number be more than given threshold first magnet passage, and using the magnetic dot number be more than given threshold first magnet passage as
Terminate magnet passage；
Zone boundary acquisition submodule, in the starting magnet passage and each intermediate magnet passage terminated between magnet passage
In, according to the magnetic dot number in intermediate magnet passage, obtain the zone boundary of background patterns magnetic regions in magnetic image.
9. device according to claim 8, which is characterized in that the zone boundary acquisition submodule includes:
First acquisition unit, for obtaining the magnetic of adjacent N number of magnet passage towards termination magnet passage direction since originating magnet passage
The sum of points, and it is denoted as nSum1, wherein N is positive integer and 2 < N < 5；
Second acquisition unit, for obtaining the magnetic of adjacent N number of magnet passage towards starting magnet passage direction since terminating magnet passage
The sum of points, and it is denoted as nSum2, wherein N is positive integer and 2 < N < 5；
Comparing unit, for comparing the numerical values recited of nSum1 and nSum2；
Third acquiring unit, for obtaining the zone boundary of background patterns magnetic regions in the magnetic image according to comparison result.
10. device according to claim 9, which is characterized in that the third acquiring unit includes:
First locator unit, for positioning the left side of background patterns magnetic regions in the magnetic image as nSum1 > nSum2
Boundary is starting magnet passage；
First finds subelement, for it is small to be incremented by direction finding magnetic dot number along magnet passage serial number since the starting magnet passage
In the most adjacent magnet passage of given threshold；
Second locator unit, the most adjacent magnet passage for the magnetic dot number to be less than given threshold are positioned as the magnetic chart
The right margin of background patterns magnetic regions as in.
11. device according to claim 9, which is characterized in that the third acquiring unit includes:
Third locator unit, for positioning the right of background patterns magnetic regions in the magnetic image as nSum1 < nSum2
Boundary is to terminate magnet passage；
Second finds subelement, small along the magnet passage serial number direction finding magnetic dot number that successively decreases for since the termination magnet passage
In the most adjacent magnet passage of given threshold；
4th locator unit, the most adjacent magnet passage for the magnetic dot number to be less than given threshold are positioned as the magnetic chart
The left margin of background patterns magnetic regions as in.
12. device according to claim 7, which is characterized in that the locating module includes:
Position determination submodule, in the magnetic image other than the zone boundary, by most logical of magnetic dot number in magnet passage
Road is determined as the position of magnetic security line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN108765689B (en) * | 2018-03-12 | 2020-09-15 | 深圳怡化电脑股份有限公司 | Method and system for determining position of paper money magnetic safety line |
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| CN104778778A (en) * | 2015-03-23 | 2015-07-15 | 深圳怡化电脑股份有限公司 | Money checking method and system |
| CN105069893A (en) * | 2015-08-17 | 2015-11-18 | 深圳怡化电脑股份有限公司 | Method and apparatus for checking bank note |
| CN105427448A (en) * | 2015-10-29 | 2016-03-23 | 深圳怡化电脑股份有限公司 | Method and device of obtaining banknote security thread boundary |
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| CN104778778A (en) * | 2015-03-23 | 2015-07-15 | 深圳怡化电脑股份有限公司 | Money checking method and system |
| CN105069893A (en) * | 2015-08-17 | 2015-11-18 | 深圳怡化电脑股份有限公司 | Method and apparatus for checking bank note |
| CN105427448A (en) * | 2015-10-29 | 2016-03-23 | 深圳怡化电脑股份有限公司 | Method and device of obtaining banknote security thread boundary |
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| 纸币磁性安全线的鉴伪识别算法;白卫国;《华中科技大学硕士论文》;20130101;第3章第17页 |
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