CN107085882A - A kind of method and device for determining counterfeit money - Google Patents
A kind of method and device for determining counterfeit money Download PDFInfo
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- CN107085882A CN107085882A CN201710408540.7A CN201710408540A CN107085882A CN 107085882 A CN107085882 A CN 107085882A CN 201710408540 A CN201710408540 A CN 201710408540A CN 107085882 A CN107085882 A CN 107085882A
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000006243 chemical reaction Methods 0.000 claims abstract description 37
- 230000003287 optical effect Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 241001270131 Agaricus moelleri Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
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Classifications
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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
- G07D7/20—Testing patterns thereon
- G07D7/2016—Testing patterns thereon using feature extraction, e.g. segmentation, edge detection or Hough-transformation
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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
- G07D7/06—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 using wave or particle radiation
- G07D7/12—Visible light, infrared or ultraviolet radiation
- G07D7/128—Viewing devices
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- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
Abstract
The embodiment of the invention discloses a kind of method and device for determining counterfeit money.This method includes：Obtain the position of the crown word number of banknote to be measured；Binary conversion treatment is carried out to the single character；According to the value after the value and the binary conversion treatment of genuine notes after the single character binaryzation processing, whether be genuine notes, so as to realize the judgement true and false to banknote to be measured if determining the banknote to be measured.
Description
Technical field
The present embodiments relate to the technical field of paper currency detection, more particularly to a kind of method and device for determining counterfeit money.
Background technology
At present, in the market does not temporarily splice counterfeit money specifically designed for a quarter, and a such as candlestick chart left side is false, the candlestick chart right side
Side is that a genuine class splices counterfeit money.Now with being really true to life of doing of counterfeit money so that cause bank note be difficult in daily life by
The problem of subscriber checking.
The content of the invention
The purpose of the embodiment of the present invention is to propose a kind of method and device for determining counterfeit money, it is intended to which how solution recognizes vacation
The problem of paper money.
For up to this purpose, the embodiment of the present invention uses following technical scheme：
In a first aspect, a kind of method for determining counterfeit money, methods described includes：
The position of the crown word number of banknote to be measured is obtained, the position of the crown word number includes the position of single character；
Binary conversion treatment is carried out to the single character；
According to the value after the value and the binary conversion treatment of genuine notes after the single character binaryzation processing, the banknote to be measured is determined
Whether it is genuine notes.
Alternatively, the position of the crown word number for obtaining banknote to be measured, the position of the crown word number includes single character
Position, including：
The position of the prefix sign character of the banknote to be measured is determined by visible ray；
The position of the single character is obtained according to preset coordinate conversion regime；
Wherein, the preset coordinate conversion regime is：The Y-coordinate of the position of the single character is visible ray Y-coordinate/1.5
Position；The character duration of the position of the single character is visible ray character duration/2；The character of the position of the single character
Highly it is visible ray character height/1.5.
Alternatively, the value after the binary conversion treatment of the value and genuine notes according to after the single character binaryzation processing,
Whether determine the banknote to be measured is genuine notes, including：
Binaryzation is carried out to rear 6 characters of the single character using multiple self-adaption binaryzation method；
Optimal binaryzation region is obtained according to minimal distance principle, the optimal binaryzation region is carried out from 0 to 40 gray scale intervals
Adaptively ask for；
Value and visible ray character match after will be described after 6 character binaryzation processing；
If the value and visible ray character match after described after 6 character binaryzation processing are unsuccessful, it is determined that the banknote to be measured
For counterfeit money.
Alternatively, methods described also includes：
If value and the success of visible ray character match after described after 6 character binaryzation processing, use rear 6 characters two
The threshold value of value carries out binaryzation to preceding 4 characters；
Value after preceding 4 character binaryzations processing is matched with visible optical character using nearest neighbor algorithm；
If the value and visible ray character match after preceding 4 character binaryzations processing are unsuccessful, it is determined that the banknote to be measured
For counterfeit money.
Alternatively, methods described also includes：
If value and the success of visible ray character match after preceding 4 character binaryzations processing, to the state of the bank note to be measured
1 position carries out binaryzation in the printed words of the emblem back side 100；
Whether there are 1 printed words beside the national emblem for judging the bank note to be measured, it is genuine notes there are 1 printed words, be counterfeit money without 1 character.
A kind of second aspect, device of determination counterfeit money, described device includes：
Acquisition module, the position of the crown word number for obtaining banknote to be measured, the position of the crown word number includes the position of single character
Put；
Binarization block, for carrying out binary conversion treatment to the single character；
First determining module, after according to the value and the binary conversion treatment of genuine notes after the single character binaryzation processing
Whether value, it is genuine notes to determine the banknote to be measured.
Alternatively, the acquisition module, specifically for：
The position of the prefix sign character of the banknote to be measured is determined by visible ray；
The position of the single character is obtained according to preset coordinate conversion regime；
Wherein, the preset coordinate conversion regime is：The Y-coordinate of the position of the single character is visible ray Y-coordinate/1.5
Position；The character duration of the position of the single character is visible ray character duration/2；The character of the position of the single character
Highly it is visible ray character height/1.5.
Alternatively, first determining module, specifically for：
Binaryzation is carried out to rear 6 characters of the single character using multiple self-adaption binaryzation method；
Optimal binaryzation region is obtained according to minimal distance principle, the optimal binaryzation region is carried out from 0 to 40 gray scale intervals
Adaptively ask for；
Value and visible ray character match after will be described after 6 character binaryzation processing；
If the value and visible ray character match after described after 6 character binaryzation processing are unsuccessful, it is determined that the banknote to be measured
For counterfeit money.
Alternatively, described device also includes：Second determining module, specifically for：
If value and the success of visible ray character match after described after 6 character binaryzation processing, use rear 6 characters two
The threshold value of value carries out binaryzation to preceding 4 characters；
Value after preceding 4 character binaryzations processing is matched with visible optical character using nearest neighbor algorithm；
If the value and visible ray character match after preceding 4 character binaryzations processing are unsuccessful, it is determined that the banknote to be measured
For counterfeit money.
Alternatively, described device also includes：3rd determining module, specifically for：
If value and the success of visible ray character match after preceding 4 character binaryzations processing, to the state of the bank note to be measured
1 position carries out binaryzation in the printed words of the emblem back side 100；
Whether there are 1 printed words beside the national emblem for judging the bank note to be measured, it is genuine notes there are 1 printed words, be counterfeit money without 1 character.
The embodiment of the present invention provides a kind of method and device for determining counterfeit money, obtains the position of the crown word number of banknote to be measured；
Binary conversion treatment is carried out to the single character；At the value and the binaryzation of genuine notes after the single character binaryzation processing
Value after reason, whether be genuine notes, so as to realize the judgement true and false to banknote to be measured if determining the banknote to be measured.
Brief description of the drawings
Fig. 1 is a kind of schematic flow sheet of method for determining counterfeit money provided in an embodiment of the present invention；
Fig. 2 is the schematic flow sheet of another method for determining counterfeit money provided in an embodiment of the present invention；
Fig. 3 is the schematic flow sheet of another method for determining counterfeit money provided in an embodiment of the present invention；
Fig. 4 is a kind of high-level schematic functional block diagram of device for determining counterfeit money provided in an embodiment of the present invention.
Embodiment
The embodiment of the present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this
The specific embodiment of place description is used only for explaining the embodiment of the present invention, rather than the restriction to the embodiment of the present invention.In addition also
It should be noted that for the ease of description, the part related to the embodiment of the present invention rather than entire infrastructure are illustrate only in accompanying drawing.
With reference to Fig. 1, Fig. 1 is a kind of schematic flow sheet of method for determining counterfeit money provided in an embodiment of the present invention.
As shown in figure 1, the method for determining counterfeit money includes：
Step 101, the position of the crown word number of banknote to be measured is obtained, the position of the crown word number includes the position of single character；
Alternatively, the position of the crown word number for obtaining banknote to be measured, the position of the crown word number includes the position of single character,
Including：
The position of the prefix sign character of the banknote to be measured is determined by visible ray；
The position of the single character is obtained according to preset coordinate conversion regime；
Wherein, the preset coordinate conversion regime is：The Y-coordinate of the position of the single character is visible ray Y-coordinate/1.5
Position；The character duration of the position of the single character is visible ray character duration/2；The character of the position of the single character
Highly it is visible ray character height/1.5.
Specifically, because visible ray needs identification prefix sign character to be recorded for Transaction Information, it is seen that the crown word number position of light
Confidence breath is from green light transmission because resolution ratio is different, it is necessary to carry out position conversion.
Visible ray resolution ratio is 200*150DPI, and green reflection resolution ratio is 100*100DPI.
Because the visible ray region genuine notes or counterfeit money are all high-visible, gone out using visible region location Calculation
The position of crown word number.In the picture using the upper right corner of image as the origin of coordinates, transverse direction is X-direction, and longitudinal direction is Y-direction.It is green
Light transmission region X-coordinate is the position of visible ray X-coordinate/2；Green light transmission region Y-coordinate is the position of visible ray Y-coordinate/1.5
Put；Green light transmission area characters width is visible ray character duration/2；Green light transmission area characters are highly high for visible optical character
Degree/1.5.
Step 102, binary conversion treatment is carried out to the single character；
Step 103, according to the value after the value and the binary conversion treatment of genuine notes after the single character binaryzation processing, it is determined that described
Whether banknote to be measured is genuine notes.
Alternatively, the value after the binary conversion treatment of the value and genuine notes according to after the single character binaryzation processing,
Whether determine the banknote to be measured is genuine notes, including：
Binaryzation is carried out to rear 6 characters of the single character using multiple self-adaption binaryzation method；
Optimal binaryzation region is obtained according to minimal distance principle, the optimal binaryzation region is carried out from 0 to 40 gray scale intervals
Adaptively ask for；
Value and visible ray character match after will be described after 6 character binaryzation processing；
If the value and visible ray character match after described after 6 character binaryzation processing are unsuccessful, it is determined that the banknote to be measured
For counterfeit money.
Specifically, because character in visible images has identified result, can using the character information of visible ray as
Priori, judge under green light transmission image character whether with it is consistent under visible ray.As character is A, green light transmission under visible ray
Only need to judge whether the character is A under image, be not that A is exception if true as normal.
Character recognition needs the feature for character to be classified in the case of without priori under visible ray, prefix
Sign character A-Z, 0-9,36 characters are, it is necessary to which to 36 classes of character point, which is closest for current character and 36 characters, then knows altogether
Wei not the character.
The embodiment of the present invention provides a kind of method for determining counterfeit money, obtains the position of the crown word number of banknote to be measured；To described
Single character carries out binary conversion treatment；After the value and the binary conversion treatment of genuine notes after the single character binaryzation processing
Value, whether be genuine notes, so as to realize the judgement true and false to banknote to be measured if determining the banknote to be measured.
With reference to Fig. 2, Fig. 2 is the schematic flow sheet of another method for determining counterfeit money provided in an embodiment of the present invention.
As shown in Fig. 2 the method for determining counterfeit money includes：
Step 201, the position of the crown word number of banknote to be measured is obtained, the position of the crown word number includes the position of single character；
Step 202, binary conversion treatment is carried out to the single character；
Step 203, binaryzation is carried out to rear 6 characters of the single character using multiple self-adaption binaryzation method；
Step 204, optimal binaryzation region is obtained according to minimal distance principle, the optimal binaryzation region is from 0 to 40 gray scales
Adaptively asked in interval；
Step 205, value and visible ray character match after will be described after 6 character binaryzation processing；
Step 206, if value and visible ray character match after described after 6 character binaryzation processing are unsuccessful, it is determined that described
Banknote to be measured is counterfeit money；
Step 207, if the value after described after 6 character binaryzation processing is successful with visible ray character match, described rear 6 are used
The threshold value of individual character binaryzation carries out binaryzation to preceding 4 characters；
Step 208, the value after preceding 4 character binaryzations processing is used into nearest neighbor algorithm progress with visible optical character
Match somebody with somebody；
Step 209, if value and visible ray character match after preceding 4 character binaryzations processing are unsuccessful, it is determined that described
Banknote to be measured is counterfeit money.
With reference to Fig. 3, Fig. 3 is the schematic flow sheet of another method for determining counterfeit money provided in an embodiment of the present invention.
As shown in figure 3, the method for determining counterfeit money includes：
Step 301, the position of the crown word number of banknote to be measured is obtained, the position of the crown word number includes the position of single character；
Step 302, binary conversion treatment is carried out to the single character；
Step 303, binaryzation is carried out to rear 6 characters of the single character using multiple self-adaption binaryzation method；
Step 304, optimal binaryzation region is obtained according to minimal distance principle, the optimal binaryzation region is from 0 to 40 gray scales
Adaptively asked in interval；
Step 305, value and visible ray character match after will be described after 6 character binaryzation processing；
Step 306, if value and visible ray character match after described after 6 character binaryzation processing are unsuccessful, it is determined that described
Banknote to be measured is counterfeit money；
Step 307, if the value after described after 6 character binaryzation processing is successful with visible ray character match, described rear 6 are used
The threshold value of individual character binaryzation carries out binaryzation to preceding 4 characters；
Step 308, the value after preceding 4 character binaryzations processing is used into nearest neighbor algorithm progress with visible optical character
Match somebody with somebody；
Step 309, if value and visible ray character match after preceding 4 character binaryzations processing are unsuccessful, it is determined that described
Banknote to be measured is counterfeit money；
Step 310, if value and visible ray character match after preceding 4 character binaryzations processing are successful, to described to be measured
1 position carries out binaryzation in the printed words of the national emblem back side 100 of bank note；
Step 311, whether there are 1 printed words beside the national emblem for judging the bank note to be measured, it is genuine notes there are 1 printed words, be false without 1 character
Paper money.
With reference to Fig. 4, Fig. 4 is a kind of high-level schematic functional block diagram of device for determining counterfeit money provided in an embodiment of the present invention.
As shown in figure 4, described device includes：
Acquisition module 401, the position of the crown word number for obtaining banknote to be measured, the position of the crown word number includes single character
Position；
Binarization block 402, for carrying out binary conversion treatment to the single character；
First determining module 403, after according to the value and the binary conversion treatment of genuine notes after the single character binaryzation processing
Value, whether determine the banknote to be measured is genuine notes.
Alternatively, the acquisition module 401, specifically for：
The position of the prefix sign character of the banknote to be measured is determined by visible ray；
The position of the single character is obtained according to preset coordinate conversion regime；
Wherein, the preset coordinate conversion regime is：The Y-coordinate of the position of the single character is visible ray Y-coordinate/1.5
Position；The character duration of the position of the single character is visible ray character duration/2；The character of the position of the single character
Highly it is visible ray character height/1.5.
Alternatively, first determining module 403, specifically for：
Binaryzation is carried out to rear 6 characters of the single character using multiple self-adaption binaryzation method；
Optimal binaryzation region is obtained according to minimal distance principle, the optimal binaryzation region is carried out from 0 to 40 gray scale intervals
Adaptively ask for；
Value and visible ray character match after will be described after 6 character binaryzation processing；
If the value and visible ray character match after described after 6 character binaryzation processing are unsuccessful, it is determined that the banknote to be measured
For counterfeit money.
Alternatively, described device also includes：Second determining module, specifically for：
If value and the success of visible ray character match after described after 6 character binaryzation processing, use rear 6 characters two
The threshold value of value carries out binaryzation to preceding 4 characters；
Value after preceding 4 character binaryzations processing is matched with visible optical character using nearest neighbor algorithm；
If the value and visible ray character match after preceding 4 character binaryzations processing are unsuccessful, it is determined that the banknote to be measured
For counterfeit money.
Alternatively, described device also includes：3rd determining module, specifically for：
If value and the success of visible ray character match after preceding 4 character binaryzations processing, to the state of the bank note to be measured
1 position carries out binaryzation in the printed words of the emblem back side 100；
Whether there are 1 printed words beside the national emblem for judging the bank note to be measured, it is genuine notes there are 1 printed words, be counterfeit money without 1 character.
The embodiment of the present invention provides a kind of device for determining counterfeit money, obtains the position of the crown word number of banknote to be measured；To described
Single character carries out binary conversion treatment；After the value and the binary conversion treatment of genuine notes after the single character binaryzation processing
Value, whether be genuine notes, so as to realize the judgement true and false to banknote to be measured if determining the banknote to be measured.
The technical principle of the embodiment of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain this
The principle of inventive embodiments, and the limitation to protection domain of the embodiment of the present invention can not be construed in any way.Based on herein
Explanation, those skilled in the art, which would not require any inventive effort, can associate the other specific of the embodiment of the present invention
Embodiment, these modes are fallen within the protection domain of the embodiment of the present invention.
Claims (10)
1. a kind of method for determining counterfeit money, it is characterised in that methods described includes：
The position of the crown word number of banknote to be measured is obtained, the position of the crown word number includes the position of single character；
Binary conversion treatment is carried out to the single character；
According to the value after the value and the binary conversion treatment of genuine notes after the single character binaryzation processing, the banknote to be measured is determined
Whether it is genuine notes.
2. it is according to the method described in claim 1, it is characterised in that the position of the crown word number for obtaining banknote to be measured, described
The position of crown word number includes the position of single character, including：
The position of the prefix sign character of the banknote to be measured is determined by visible ray；
The position of the single character is obtained according to preset coordinate conversion regime；
Wherein, the preset coordinate conversion regime is：The X-coordinate of the position of the single character is the position of visible ray X-coordinate/2
Put；The Y-coordinate of the position of the single character is the position of visible ray Y-coordinate/1.5；The character of the position of the single character
Width is visible ray character duration/2；The character height of the position of the single character is visible ray character height/1.5.
3. according to the method described in claim 1, it is characterised in that the value according to after the single character binaryzation processing
Whether with the value after the binary conversion treatment of genuine notes, it is genuine notes to determine the banknote to be measured, including：
Binaryzation is carried out to rear 6 characters of the single character using multiple self-adaption binaryzation method；
Optimal binaryzation region is obtained according to minimal distance principle, the optimal binaryzation region is carried out from 0 to 40 gray scale intervals
Adaptively ask for；
Value and visible ray character match after will be described after 6 character binaryzation processing；
If the value and visible ray character match after described after 6 character binaryzation processing are unsuccessful, it is determined that the banknote to be measured
For counterfeit money.
4. the method according to claims 1 to 3 any one, it is characterised in that methods described also includes：
If value and the success of visible ray character match after described after 6 character binaryzation processing, use rear 6 characters two
The threshold value of value carries out binaryzation to preceding 4 characters；
Value after preceding 4 character binaryzations processing is matched with visible optical character using nearest neighbor algorithm；
If the value and visible ray character match after preceding 4 character binaryzations processing are unsuccessful, it is determined that the banknote to be measured
For counterfeit money.
5. method according to claim 4, it is characterised in that methods described also includes：
If value and the success of visible ray character match after preceding 4 character binaryzations processing, to the state of the bank note to be measured
1 position carries out binaryzation in the printed words of the emblem back side 100；
Whether there are 1 printed words beside the national emblem for judging the bank note to be measured, it is genuine notes there are 1 printed words, be counterfeit money without 1 character.
6. a kind of device for determining counterfeit money, it is characterised in that described device includes：
Acquisition module, the position of the crown word number for obtaining banknote to be measured, the position of the crown word number includes the position of single character
Put；
Binarization block, for carrying out binary conversion treatment to the single character；
First determining module, after according to the value and the binary conversion treatment of genuine notes after the single character binaryzation processing
Whether value, it is genuine notes to determine the banknote to be measured.
7. device according to claim 6, it is characterised in that the acquisition module, specifically for：
The position of the prefix sign character of the banknote to be measured is determined by visible ray；
The position of the single character is obtained according to preset coordinate conversion regime；
Wherein, the preset coordinate conversion regime is：The X-coordinate of the position of the single character is the position of visible ray X-coordinate/2
Put；The Y-coordinate of the position of the single character is the position of visible ray Y-coordinate/1.5；The character of the position of the single character
Width is visible ray character duration/2；The character height of the position of the single character is visible ray character height/1.5.
8. device according to claim 6, it is characterised in that first determining module, specifically for：
Binaryzation is carried out to rear 6 characters of the single character using multiple self-adaption binaryzation method；
Optimal binaryzation region is obtained according to minimal distance principle, the optimal binaryzation region is carried out from 0 to 40 gray scale intervals
Adaptively ask for；
Value and visible ray character match after will be described after 6 character binaryzation processing；
If the value and visible ray character match after described after 6 character binaryzation processing are unsuccessful, it is determined that the banknote to be measured
For counterfeit money.
9. the device according to claim 6 to 8 any one, it is characterised in that described device also includes：Second determines mould
Block, specifically for：
If value and the success of visible ray character match after described after 6 character binaryzation processing, use rear 6 characters two
The threshold value of value carries out binaryzation to preceding 4 characters；
Value after preceding 4 character binaryzations processing is matched with visible optical character using nearest neighbor algorithm；
If the value and visible ray character match after preceding 4 character binaryzations processing are unsuccessful, it is determined that the banknote to be measured
For counterfeit money.
10. device according to claim 9, it is characterised in that described device also includes：3rd determining module is specific to use
In：
If value and the success of visible ray character match after preceding 4 character binaryzations processing, to the state of the bank note to be measured
1 position carries out binaryzation in the printed words of the emblem back side 100；
Whether there are 1 printed words beside the national emblem for judging the bank note to be measured, it is genuine notes there are 1 printed words, be counterfeit money without 1 character.
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| CN104318238A (en) * | 2014-11-10 | 2015-01-28 | 广州御银科技股份有限公司 | Method for extracting crown word numbers from scanned banknote images in banknote detection module |
| CN105184957A (en) * | 2015-09-28 | 2015-12-23 | 深圳怡化电脑股份有限公司 | Paper currency discrimination method and system |
| CN105374105A (en) * | 2015-10-16 | 2016-03-02 | 浙江依特诺科技股份有限公司 | Method used by mobile terminal for identifying authenticity of banknote |
| CN105335741A (en) * | 2015-10-28 | 2016-02-17 | 深圳怡化电脑股份有限公司 | Smudged serial number classification method and system |
| CN105957238A (en) * | 2016-05-20 | 2016-09-21 | 聚龙股份有限公司 | Banknote management method and system |
| CN205670338U (en) * | 2016-06-17 | 2016-11-02 | 光荣电子工业（苏州）有限公司 | There is the cleaning-sorting machine of the splicing pseudo-function of coin inspection |
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Application publication date: 20170822 |