CN108765689A - A kind of location determining method and system of bank note magnetic security line - Google Patents
A kind of location determining method and system of bank note magnetic security line Download PDFInfo
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- CN108765689A CN108765689A CN201810202411.7A CN201810202411A CN108765689A CN 108765689 A CN108765689 A CN 108765689A CN 201810202411 A CN201810202411 A CN 201810202411A CN 108765689 A CN108765689 A CN 108765689A
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- channel
- magnetic
- bank note
- security line
- magnetic security
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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
-
- 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
- G07D7/20—Testing patterns thereon
- G07D7/2008—Testing patterns thereon using pre-processing, e.g. de-blurring, averaging, normalisation or rotation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
Abstract
A kind of location determining method of bank note magnetic security line, including area to be tested is longitudinally divided for multiple channels；Each channel in multiple channel is horizontally divided into multiple sections respectively；Magnetic dot number in the magnetic picture of acquisition bank note and multiple channel in each channel in each section, judges the section for magnetic security line segment in the case where magnetic dot number exceeds default magnetic dot number threshold value；The quantity of twin-channel magnetic security line segment is counted, the wherein binary channels is each two adjacent channel in multiple channel；Determine that the binary channels with most quantity magnetic security line segments is the position of the magnetic security line.Using bank note under inclination conditions, magnetic security line is possible to fall into this feature in two adjacent channels, counts the quantity of twin-channel magnetic security line segment；When tilt of paper money, all safety lines are also fallen into one of binary channels, so as to accurately and rapidly determine the position of the magnetic security line.
Description
Technical field
The invention belongs to financial fields, it is more particularly related to a kind of location determination of bank note magnetic security line
Method and system.
Background technology
Forge or true or paper money differentiate general identification process include first to bank note into pretreatments such as line tilt corrections, then further according to
The face amount of bank note is towards the discriminating for carrying out forge or true or paper money.However, on the one hand equipment cost can be improved into line tilt correction to bank note,
The pretreatment works such as another aspect slant correction can reduce the efficiency of forge or true or paper money discriminating.If a without slant correction
Other or even a considerable amount of bank note meeting run-off the straights, at this time the anti-counterfeiting marks such as magnetic security line may not be scheduled positioned at its
In position or channel, this brings certain difficulty to positioning such as magnetic security line anti-counterfeiting mark.It, can if Wrong localization
Directly result in the case where genuine note is mistaken for counterfeit money, it is therefore desirable to a kind of technology is provided, it can be in the premise without slant correction
Under, quickly and accurately position magnetic security line.
Invention content
In order under the premise of without slant correction, quickly and accurately position magnetic security line, the invention discloses one kind
The location determining method of bank note magnetic security line, this method include：
By area to be tested it is longitudinally divided be multiple channels, multiple channel, which meets, by non-inclined to be placed in this in bank note and waits for
In the case of detection zone, the magnetic security line of the bank note is located in the channel of one of multiple channel；
Each channel in multiple channel is horizontally divided into multiple sections respectively；
In the case where detecting that bank note is placed on the area to be tested, the magnetic picture of the bank note is obtained, and respectively
The magnetic dot number of the correspondence magnetic picture part in multiple channel in each channel in each section is obtained, and in magnetic dot number
In the case of beyond default magnetic dot number threshold value, judge the section for magnetic security line segment；
The quantity of each twin-channel magnetic security line segment of statistics, the wherein binary channels are each two in multiple channel
Adjacent channel；
Determine that the binary channels with most quantity magnetic security line segments is the position of the magnetic security line.
In a wherein embodiment, which is the 5th edition 100 yuans.
In a wherein embodiment, multiple channel includes 18 channels with same widths.
In a wherein embodiment, the height of each section is 100 pixel columns in multiple section.
On the other hand, this application discloses a kind of paper money anti-fake methods, using bank note magnetic security as described above
The location determining method of line determines the position of magnetic security line；The coding characteristic of the magnetic security line is detected；According to this
The result of detection judges the true and false of bank note.
On the other hand the application discloses a kind of position determination system of bank note magnetic security line, which includes：
Channel division module, for by area to be tested it is longitudinally divided be multiple channels, multiple channel meets in bank note
In the case of by non-inclined being placed in the area to be tested, the magnetic security line of the bank note is located at one of multiple channel
In channel；
Segmentation module, for each channel in multiple channel to be horizontally divided into multiple sections respectively；
Magnetic dot number acquisition module obtains the bank note in the case where detecting that bank note is placed on the area to be tested
Magnetic picture, and the magnetic dot of the correspondence magnetic picture part in multiple channel in each channel in each section is obtained respectively
Number, and in the case where magnetic dot number exceeds default magnetic dot number threshold value, judge the section for magnetic security line segment；
Statistical module, the quantity for counting each twin-channel magnetic security line segment, the wherein binary channels are multiple
Each two adjacent channel in channel；
Position determination module, for determining that the binary channels with most quantity magnetic security line segments is the magnetic security line
Position.
In a wherein embodiment, which is the 5th edition 100 yuans.
In a wherein embodiment, the channel division module by area to be tested it is longitudinally divided be 18 have identical width
The channel of degree.
In a wherein embodiment, segmentation module is used for respectively by each channel segmentation in multiple channel at more
A height is the section of 100 pixel columns.
On the other hand, this application discloses a kind of guiding against false of paper currency system, which includes that bank note described above is magnetic
The position determination system of safety line；To the coding characteristic detection device that the coding characteristic of the magnetic security line is detected, and
The true and false judgment means of forge or true or paper money are judged according to the result of the detection.
The beneficial effects of the present invention are using bank note under inclination conditions, magnetic security line is possible to fall into two phases
This feature in adjacent channel counts the quantity of each twin-channel magnetic security line segment；Even if such tilt of paper money, all
Safety line is also fallen into one of binary channels, thus under the premise of without to bank note into line tilt correction, accurately and rapidly
The position for determining the magnetic security line provides condition for the judgement of subsequent forge or true or paper money.
Description of the drawings
With reference to the accompanying drawings and detailed description, the present invention is described in detail, wherein：
Fig. 1 is the flow chart according to a kind of location determining method of bank note magnetic security line of one embodiment of the application；
Fig. 2 is the flow chart according to a kind of paper money anti-fake method of one embodiment of the application；
Fig. 3 is the structure diagram according to a kind of position determination system of bank note magnetic security line of one embodiment of the application；
Fig. 4 is the structure diagram according to a kind of guiding against false of paper currency system of one embodiment of the application；And
Fig. 5 is the structure diagram according to the guiding against false of paper currency system of another embodiment of the application.
Specific implementation mode
It is below in conjunction with attached drawing and specifically real in order to make the purpose of the present invention, technical solution and its technique effect be more clear
Mode is applied, the present invention is described in more detail.It should be understood that specific implementation mode described in this specification is only
In order to explain the present invention, it is not intended to limit the present invention.
To before being described into technical scheme, being placed and tilted-putted feelings in non-inclined to bank note first
Condition magnetic image illustrates.It is to be appreciated that carrying out Image Acquisition, feature-extraction analysis and/or authenticity to bank note
During, bank note can be positioned in area to be tested, when bank note is placed in the area to be tested and placement location is suitable
In the case of, the image and/or feature of the bank note can be acquired completely and suitably." inclination " as referred to herein and " non-inclined "
It is for " area to be tested ", i.e., under the conditions of non-inclined, the image and/or feature of the bank note can be complete
And suitable acquisition.And under tilt condition, if not using certain technological means, the image and/or feature of the bank note
It cannot be acquired completely and suitably, or acquisition difficulty can improve.The first purpose of the application is that：When bank note is in
Under tilt condition, how the image and/or feature of the bank note are acquired completely and suitably.Hereafter respectively in connection with Fig. 1 a and Fig. 1 b couple
Collected non-inclined is placed and the magnetic picture of tilted-putted bank note is described.
Fig. 1 a show the bank note magnetic picture in the case of bank note non-inclined is placed, and the region of box label is magnetic peace
Completely.It can be seen from the figure that magnetic security line is on the same vertical line；In addition, other regions relative to bank note, magnetic
Safety line has most magnetic dot numbers.Fig. 1 b show the bank note magnetic picture in the case of tilt of paper money is placed, box label
Region is magnetic security line.It can be seen from the figure that due to tilt of paper money, magnetic security line does not hang down same
On straight line, but two parts are located in two adjacent vertical areas up and down.
Based on this, this application provides a kind of location determining methods 10 of bank note magnetic security line, as shown in Fig. 2, the party
Method 10 includes：
S100, by area to be tested it is longitudinally divided be multiple channels, multiple channel meets by non-inclined sets in bank note
In the case of entering the area to be tested, the magnetic security line of the bank note is located in the channel of one of multiple channel.
Ideally, " area to be tested " the i.e. bank note is somebody's turn to do in being extracted image or feature recognition/extraction process, it should
The region that bank note should be placed.It is somebody's turn to do " area to be tested " in one of the embodiments, and the size of bank note is completely the same；It replaces
Property, being somebody's turn to do " area to be tested " can be used for placing with various sizes of bank note, in this case, for a specific paper
Coin, should the subregion of " area to be tested " with the accommodating specific bank note.In addition, " longitudinal direction " here refers to being parallel to the bank note
The direction of magnetic security line.The longitudinally divided mode of the area to be tested meets, and no matter the bank note is face-up or positive
Downward, it is that left and right is just being set or side-inverted, as long as the bank note by non-inclined is placed on the area to be tested, the magnetic of the bank note
Property safety line is respectively positioned in the channel of one of multiple channel.It may also be noticed that a bit, although for a particular kind of paper
The position of coin, magnetic security line is fixed, but due to the mistake in extraction banknote image or bank note feature recognition/extraction
Cheng Zhong, due to not knowing positive and negative, left and right the direction of the bank note, the specific location of magnetic security line is uncertain.
Each channel in multiple channel is horizontally divided into multiple sections by S102 respectively.
Specifically, " transverse direction " here refers to perpendicular to the direction of the bank note magnetic security line.
S104 obtains the magnetic picture of the bank note in the case where detecting that bank note is placed on the area to be tested, and
The magnetic dot number of the correspondence magnetic picture part in multiple channel in each channel in each section is obtained respectively, and in magnetic
In the case that points are beyond default magnetic dot number threshold value, judge the section for magnetic security line segment.
Fig. 1 b are returned to, when bank note is inclined by placement, the magnetic security line of the bank note may be distributed on two channels
It is interior.For the channel of covering part magnetic security line, the magnetic dot number in the section occupied by magnetic security line is more；Do not pacified by magnetism
Magnetic dot number in the section completely occupied is less；For covering the channel of all magnetic security lines, all sections of the magnetic dot in the channel
Number is more；For not covering the channel of magnetic security line, all sections of the magnetic dot number in the channel is less.
Signified " magnetic dot number threshold value " is according at bank note magnetic security line and at non magnetic safety line in step S104
Magnetic dot number, the judgment value for distinguishing magnetic security line segment and non magnetic safe line segment.When magnetic dot number exceeds the magnetic dot in certain section
Number threshold value, then judge that the section belongs to magnetic security line segment, otherwise, then judge that the section belongs to non magnetic safe line segment.
S106 counts the quantity of each twin-channel magnetic security line segment, and the wherein binary channels is in multiple channel
Each two adjacent channel.
As described above, when bank note is inclined by placement, the magnetic security line of the bank note may be by two continuous channels
It covers (rule of thumb, three or more channels will not be covered the bank note tilts again), therefore, in this case,
Determine that the position that any one channel is magnetic security line is all inaccurate.Therefore, it is necessary to count each twin-channel magnetism
The quantity of safe line segment.
For example, the area to be tested is divided into N number of channel, respectively channel 1, channel 2 ... channel N-1, channel N.
Then binary channels quantity is N-1, and wherein binary channels 1 is merged by channel 1 and channel 2 and generated；Two-channel 2-4 is merged by channel 2 and channel 3
Binary channels N-1 merges generation by channel N-1 with channel N for generation ....
S108 determines that the binary channels with most quantity magnetic security line segments is the position of the magnetic security line.
The advantageous effect of the present embodiment is, using bank note under inclination conditions, magnetic security line is possible to fall into two
This feature in adjacent channel counts the quantity of each twin-channel magnetic security line segment；Even if such tilt of paper money, owns
Safety line also fall into one of binary channels, it is accurate, quickly under the premise of without to bank note into line tilt correction
Ground determines the position of the magnetic security line, and condition is provided for the judgement of subsequent forge or true or paper money.
In a wherein embodiment, which is the 5th edition 100 yuans.In other embodiments, which can
To be that there is any bank note with magnetic dot on magnetic security line and magnetic security line.
In a wherein embodiment, multiple channel includes 18 channels with same widths.In other embodiment
In, which may include the channel of arbitrary other quantity, but needs to meet and by non-inclined be placed in the area to be detected in bank note
In the case of domain, the magnetic security line of the bank note is located in the channel of one of multiple channel.
In a wherein embodiment, the height of each section is 100 pixel columns in multiple section.
On the other hand, as shown in figure 3, this application discloses a kind of paper money anti-fake method 20, this method includes：
S200 determines the position of magnetic security line using the location determining method of bank note magnetic security line as described above
It sets；
S202 is detected the coding characteristic of the magnetic security line；
S204 judges the true and false of bank note according to the result of the detection.
As shown in figure 4, on the other hand the application discloses a kind of position determination system 30 of bank note magnetic security line, it should
System includes：
Channel division module 300, for by area to be tested it is longitudinally divided be multiple channels, multiple channel meets in paper
In the case that coin by non-inclined is placed in the area to be tested, the magnetic security line of the bank note is located at wherein the one of multiple channel
In a channel.
Segmentation module 302, for each channel in multiple channel to be horizontally divided into multiple sections respectively.
Magnetic dot number acquisition module 304, should in the case where detecting that bank note is placed on the area to be tested, obtaining
The magnetic picture of bank note, and the correspondence magnetic picture part in multiple channel in each channel in each section is obtained respectively
Magnetic dot number, and in the case where magnetic dot number exceeds default magnetic dot number threshold value, judge the section for magnetic security line segment.
Statistical module 306, the quantity for counting each twin-channel magnetic security line segment, the wherein binary channels are that this is more
Each two adjacent channel in a channel.
Position determination module 308, for determining that the binary channels with most quantity magnetic security line segments is the magnetic security
The position of line.
In a wherein embodiment, which is the 5th edition 100 yuans.
In a wherein embodiment, the channel division module by area to be tested it is longitudinally divided be 18 have identical width
The channel of degree.
In a wherein embodiment, segmentation module is used for respectively by each channel segmentation in multiple channel at more
A height is the section of 100 pixel columns.
As shown in figure 5, on the other hand the application provides a kind of guiding against false of paper currency system 40, which includes as retouched above
The position determination system 400 for the bank note magnetic security line stated；The coding being detected to the coding characteristic of the magnetic security line is special
Detection device 402 is levied, and judges the true and false judgment means 404 of forge or true or paper money according to the result of the detection.
It should be noted that the not necessarily independent module of above-mentioned modules, plurality of module can be integrated into
One module；Or above-mentioned modules can be subdivided into multiple modules according to function again, these both fall within the protection of the application
Within the scope of.
It will appreciated by the skilled person that realizing all or part of flow in above-described embodiment method, being can
It is completed with instructing relevant hardware by computer program, the program being somebody's turn to do can be stored in a computer read/write memory medium
In, the program is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, the storage medium being somebody's turn to do can be magnetic disc,
CD, read-only memory (Read Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The embodiment of the present invention is described with above attached drawing, but the invention is not limited in above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.In addition, although having used some specific terms in this specification, this
A little terms merely for convenience of description, do not limit the present invention in any way.
Claims (10)
1. a kind of location determining method of bank note magnetic security line, which is characterized in that the method includes：
By area to be tested it is longitudinally divided be multiple channels, the multiple channel meets by non-inclined is placed in described wait in bank note
In the case of detection zone, the magnetic security line of the bank note is located in the channel of one of the multiple channel；
Each channel in the multiple channel is horizontally divided into multiple sections respectively；
In the case where detecting that bank note is placed on the area to be tested, the magnetic picture of the bank note is obtained, and respectively
The magnetic dot number of the correspondence magnetic picture part in the multiple channel in each channel in each section is obtained, and in magnetic dot
In the case that number is beyond default magnetic dot number threshold value, judge the section for magnetic security line segment；
The quantity of each twin-channel magnetic security line segment of statistics, wherein the binary channels is each two in the multiple channel
Adjacent channel；
Determine that the binary channels of the magnetic security line segment with most quantity is the position of the magnetic security line.
2. according to the method described in claim 1, it is characterized in that, the bank note is the 5th edition 100 yuans.
3. according to the method described in claim 1, it is characterized in that, the multiple channel includes 18 logical with same widths
Road.
4. according to the method described in claim 1, it is characterized in that, the height of each section is 100 pixel columns in the multiple section.
5. a kind of paper money anti-fake method, which is characterized in that using the bank note magnetic security as described in any one of claim 1-4
The location determining method of line determines the position of magnetic security line；The coding characteristic of the magnetic security line is detected；According to
The result of the detection judges the true and false of bank note.
6. a kind of position determination system of bank note magnetic security line, which is characterized in that the system comprises：
Channel division module, for by area to be tested it is longitudinally divided be multiple channels, the multiple channel meets in bank note quilt
In the case of being placed in non-inclined the area to be tested, the magnetic security line of the bank note is located at the multiple channel wherein
In one channel；
Segmentation module, for each channel in the multiple channel to be horizontally divided into multiple sections respectively；
Magnetic dot number acquisition module obtains the bank note in the case where detecting that bank note is placed on the area to be tested
Magnetic picture, and the magnetic of the correspondence magnetic picture part in the multiple channel in each channel in each section is obtained respectively
Points, and in the case where magnetic dot number exceeds default magnetic dot number threshold value, judge the section for magnetic security line segment；
Statistical module, the quantity for counting each twin-channel magnetic security line segment, wherein the binary channels is the multiple
Each two adjacent channel in channel；
Position determination module, for determining that the binary channels with most quantity magnetic security line segments is the position of the magnetic security line
It sets.
7. system according to claim 6, which is characterized in that the bank note is the 5th edition 100 yuans.
8. system according to claim 6, which is characterized in that the channel division module is longitudinally divided by area to be tested
For 18 channels with same widths.
9. system according to claim 6, which is characterized in that segmentation module is used for respectively will be every in the multiple channel
One channel segmentation is at the section that multiple height are 100 pixel columns.
10. a kind of guiding against false of paper currency system, which is characterized in that the system comprises the paper as described in any one of claim 6-9
The position determination system of coin magnetic security line；Dress is detected to the coding characteristic that the coding characteristic of the magnetic security line is detected
It sets, and judges the true and false judgment means of forge or true or paper money according to the result of the detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810202411.7A CN108765689B (en) | 2018-03-12 | 2018-03-12 | Method and system for determining position of paper money magnetic safety line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810202411.7A CN108765689B (en) | 2018-03-12 | 2018-03-12 | Method and system for determining position of paper money magnetic safety line |
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| Publication Number | Publication Date |
|---|---|
| CN108765689A true CN108765689A (en) | 2018-11-06 |
| CN108765689B CN108765689B (en) | 2020-09-15 |
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ID=63980318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810202411.7A Active CN108765689B (en) | 2018-03-12 | 2018-03-12 | Method and system for determining position of paper money magnetic safety line |
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| CN111341006A (en) * | 2020-02-28 | 2020-06-26 | 深圳怡化电脑股份有限公司 | Hidden magnetic stripe paper money identification method, system, server and storage medium |
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| CN108765689B (en) | 2020-09-15 |
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