CN102324132B - Bank-note detecting method by identifying ultraviolet-light image and system - Google Patents
Bank-note detecting method by identifying ultraviolet-light image and system Download PDFInfo
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- CN102324132B CN102324132B CN201110136875.0A CN201110136875A CN102324132B CN 102324132 B CN102324132 B CN 102324132B CN 201110136875 A CN201110136875 A CN 201110136875A CN 102324132 B CN102324132 B CN 102324132B
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Abstract
The invention relates to a bank-note detecting method by identifying an ultraviolet-light image and a system. The currency-detecting method comprises the following steps of: pre-validating a bank note through ultraviolet-light source irradiation to obtain the scanning image of the bank note under ultraviolet light; setting a threshold value for the light-spot gray-scale value of the scanning image by an image-characteristic extracting unit according to the anti-counterfeiting characteristic of a bank-note ultraviolet-fluorescence effect; obtaining the image pixels of the scanning image larger than the threshold value; obtaining the image pixels in the image of a template bank note with the light-spot gray-scale value larger than the threshold value under the ultraviolet light according to the anti-counterfeiting characteristic of the bank-note ultraviolet-fluorescence effect; carrying out similarity-measurement computation for the obtained image pixels larger than the threshold value of the scanning image of the bank note to be detected and the obtained image pixels larger than the threshold value of the scanning image of the template bank note; and judging the truth or the falsehood of the bank note to be detected according to a computing result and a preset similarity threshold value. Through the bank-note detecting method and system by identifying the ultraviolet-light image disclosed by the invention, the inspecting level of a bank-note detecting module of automatic depositing and withdrawing equipment for ultraviolet anti-counterfeiting characteristics can be effectively improved, and the inspection for randomly-buried red and blue fibers in the bank note can be realized.
Description
Technical field
The present invention relates to a kind of currency examine method and system, relate in particular to and a kind of banknote image is carried out to the currency examine method and system that scan image is identified after UV-irradiation.
Background technology
In prior art, anti-counterfeiting characteristic on bank note has the fluorescence reaction that need to utilize under ultraviolet source irradiation, at present conventional recognition technology is as the number of patent application method and apparatus described in patent that is 200420084129.7, adopt ultraviolet source irradiation bank note, utilize the fluorescence intensity of simple sensor sensing reflection to carry out identification, this method can only obtain false distinguishing testing result qualitatively, and precision is not high.In current authentication detection technology, ultraviolet anti-fake feature is confined to having or not the detection of fluorescence reaction, false distinguishing efficiency is low, has many counterfeit money with fluorescence reaction on present society.
In addition, because Chang Suiji in existing currency adds red blue fiber, increase false proof reliability.Red blue fiber also has similar fluorescence reaction under the irradiation of ultraviolet light, but due to the feature of its full width face stochastic distribution, does not still have good method to detect in prior art.
Summary of the invention
The technical matters that the present invention solves is: build a kind of currency examine method and system that ultraviolet light image is identified, overcome in prior art the not high technical matters of ultraviolet false distinguishing testing result precision.
Technical scheme of the present invention is: a kind of currency examine method that ultraviolet light image is identified is provided, comprises the steps:
Irradiate bank note: with ultraviolet source irradiation pre-authentication bank note;
Obtain scan image: scan described bank note, obtain the scan image of described bank note under ultraviolet light;
Extract characteristics of image: according to the anti-counterfeiting characteristic of bank note Ultraluminescence effect, the bright spot gray-scale value of described scan image is set to a threshold value, described scan image is obtained to the image pixel that is greater than described threshold value;
Authenticity verification: according to the anti-counterfeiting characteristic of bank note Ultraluminescence effect, obtain the image pixel that the bright spot gray-scale value of masterplate bank note in ultraviolet light hypograph is greater than described threshold value, the image pixel that the bank note scan image to be detected obtaining is greater than to described threshold value and the described masterplate bank note scan image obtaining obtain the image pixel that is greater than described threshold value and carry out similarity measure calculating, according to the true and false of result of calculation and predefined similarity threshold decision bank note to be detected.
Further technical scheme of the present invention is: the extraction of described image pixel value is preserved with matrix form.
Further technical scheme of the present invention is: in authenticity verification step, the similarity measure of image pixel is calculated with related function, described related function is:
Wherein,
for the ultraviolet light image pixel of bank note to be detected,
for masterplate bank note ultraviolet light image pixel, the line number of m image pixel, the columns that n is image pixel.
Further technical scheme of the present invention is: in extracting image characteristic step, also comprise according to the anti-counterfeiting characteristic of the red blue fiber of bank note, extract the image pixel of the red blue fiber of bank note under ultraviolet light, in authenticity verification step, also comprise the true and false that judges bank note to be detected that has or not of by the red blue fiber of the bank note image pixel under ultraviolet light.
Technical scheme of the present invention is: build a kind of currency detecting system that ultraviolet light image is identified, comprise the illumination unit carrying out banknote image irradiation, the scanning element of scanning paper currency image, extract the image characteristics extraction unit of characteristics of image, carry out the authentication unit of forge or true or paper money checking, ultraviolet source irradiation pre-authentication bank note for described illumination unit, described scanning element scans described bank note, obtain the scan image of described bank note under ultraviolet light, described image characteristics extraction unit is according to the anti-counterfeiting characteristic of bank note Ultraluminescence effect, the bright spot gray-scale value of described scan image is set to a threshold value, described scan image is obtained to the image pixel that is greater than described threshold value, described authentication unit is according to the anti-counterfeiting characteristic of bank note Ultraluminescence effect, obtain the image pixel that the bright spot gray-scale value of masterplate bank note in ultraviolet light hypograph is greater than described threshold value, the image pixel that the bank note scan image to be detected obtaining is greater than to described threshold value and the described masterplate bank note scan image obtaining obtain the image pixel that is greater than described threshold value and carry out similarity measure calculating, according to the true and false of result of calculation and predefined similarity threshold decision bank note to be detected.
Further technical scheme of the present invention is: described image characteristics extraction unit comprises the first memory module, and described the first memory module is preserved the described image pixel extracting with matrix form.
Further technical scheme of the present invention is: described authentication unit comprises extraction masterplate bank note image characteristics extraction module, described image characteristics extraction module, according to the anti-counterfeiting characteristic of bank note Ultraluminescence effect, is obtained the image pixel that the bright spot gray-scale value of masterplate bank note in ultraviolet light hypograph is greater than described threshold value.
Further technical scheme of the present invention is: described authentication unit comprises the second memory module, and described the second memory module preserves with matrix form the image pixel that the bright spot gray-scale value of masterplate bank note in ultraviolet light hypograph is greater than described threshold value.
Further technical scheme of the present invention is: described currency detecting system also comprises the image pixel red blue fiber extraction unit of the red blue fiber of extraction bank note under ultraviolet light.
Further technical scheme of the present invention is: described currency detecting system also comprises the red blue fiber authentication module that has or not the true and false that judges bank note to be detected of the image pixel under ultraviolet light by the red blue fiber of bank note.
Technique effect of the present invention is: build a kind of currency examine method and system that ultraviolet light image is identified, with ultraviolet source irradiation pre-authentication bank note, obtain the scan image of described bank note under ultraviolet light, described image characteristics extraction unit is according to the anti-counterfeiting characteristic of bank note Ultraluminescence effect, the bright spot gray-scale value of described scan image is set to a threshold value, described scan image is obtained to the image pixel that is greater than described threshold value, according to the anti-counterfeiting characteristic of bank note Ultraluminescence effect, obtain the image pixel that the bright spot gray-scale value of masterplate bank note in ultraviolet light hypograph is greater than described threshold value, the image pixel that the bank note scan image to be detected obtaining is greater than to described threshold value and the described masterplate bank note scan image obtaining obtain the image pixel that is greater than described threshold value and carry out similarity measure calculating, according to the true and false of result of calculation and predefined similarity threshold decision bank note to be detected.A kind of currency examine method and system that ultraviolet light image is identified of the present invention, can effectively improve the insolation level to ultraviolet anti-fake feature of automatic depositing-withdrawing equipment currency checking module, and can realize the check of the red blue fiber to imbedding at random in bank note.
Accompanying drawing explanation
Fig. 1 is process flow diagram of the present invention.
Fig. 2 is block diagram of the present invention.
Fig. 3 is structural drawing of the present invention.
Embodiment
Below in conjunction with specific embodiment, technical solution of the present invention is further illustrated.
As shown in Figure 1, the specific embodiment of the present invention is: a kind of currency examine method that ultraviolet light image is identified is provided, comprises the steps:
Step 100: irradiate bank note, that is, and with ultraviolet source irradiation pre-authentication bank note.Wherein, with UV-irradiation pre-authentication bank note, obtain the image of bank note under ultraviolet source irradiation.In the false proof region of bank note, have one to have Ultraluminescence effect, therefore, for the ultraviolet light image of this view picture bank note, the region with Ultraluminescence effect will become very bright.
Step 200: scan image, that is, scan described bank note, obtain the scan image of described bank note under ultraviolet light.
Step 300: extract characteristics of image, that is, according to the anti-counterfeiting characteristic of bank note Ultraluminescence effect, the bright spot gray-scale value of described scan image is set to a threshold value, described scan image is obtained to the image pixel that is greater than described threshold value.In specific embodiment, the extraction of described image pixel value is preserved with matrix form.In false proof region due to bank note, there is one to there is Ultraluminescence effect, therefore for the ultraviolet light image of this view picture bank note, the region with Ultraluminescence effect will become very bright, therefore set a threshold value, extract these compared with bright area, just can obtain interested bank note ultraviolet image, can be called " the burst of ultraviolel image of bank note " here.Because red blue fiber is stochastic distribution in bank note, it is also brighter that red blue fiber scans the image obtaining under the irradiation of ultraviolet light, so be mainly to detect it to have or not in anti-counterfeiting detection.
Step 400: authenticity verification,, according to the anti-counterfeiting characteristic of bank note Ultraluminescence effect, obtain the image pixel that the bright spot gray-scale value of masterplate bank note in ultraviolet light hypograph is greater than described threshold value, the image pixel that the bank note scan image to be detected obtaining is greater than to described threshold value and the described masterplate bank note scan image obtaining obtain the image pixel that is greater than described threshold value and carry out similarity measure calculating, according to the true and false of result of calculation and predefined similarity threshold decision bank note to be detected.In specific embodiment, the similarity measure of image pixel is calculated with related function, described related function is:
Wherein,
for the ultraviolet light image pixel of bank note to be detected,
for masterplate bank note ultraviolet light image pixel, R(i, j) be similarity measure, the line number of m image pixel, the columns that n is image pixel.
According to the similarity measure of result of calculation, similarity measure is set and is greater than a threshold values and is genuine notes, being less than or equal to a threshold values is counterfeit money.
A kind of currency examine method that ultraviolet light image is identified of the present invention, with ultraviolet source irradiation pre-authentication bank note, obtain the scan image of described bank note under ultraviolet light, described image characteristics extraction unit is according to the anti-counterfeiting characteristic of bank note Ultraluminescence effect, the bright spot gray-scale value of described scan image is set to a threshold value, described scan image is obtained to the image pixel that is greater than described threshold value, according to the anti-counterfeiting characteristic of bank note Ultraluminescence effect, obtain the image pixel that the bright spot gray-scale value of masterplate bank note in ultraviolet light hypograph is greater than described threshold value, the image pixel that the bank note scan image to be detected obtaining is greater than to described threshold value and the described masterplate bank note scan image obtaining obtain the image pixel that is greater than described threshold value and carry out similarity measure calculating, according to the true and false of result of calculation and predefined similarity threshold decision bank note to be detected.A kind of currency examine method and system that ultraviolet light image is identified of the present invention, can effectively improve the insolation level to ultraviolet anti-fake feature of automatic depositing-withdrawing equipment currency checking module, and can realize the check of the red blue fiber to imbedding at random in bank note.
As shown in Figure 2, technical scheme of the present invention is: build a kind of currency detecting system that ultraviolet light image is identified, comprise the illumination unit 1 carrying out banknote image irradiation, the scanning element 2 of scanning paper currency image, extract the image characteristics extraction unit 3 of characteristics of image, carry out the authentication unit 4 of forge or true or paper money checking, described illumination unit 1 is with ultraviolet source irradiation pre-authentication bank note, , the described bank note of described scanning element 2 scanning, obtain the scan image of described bank note under ultraviolet light, described image characteristics extraction unit 3 is according to the anti-counterfeiting characteristic of bank note Ultraluminescence effect, the bright spot gray-scale value of described scan image is set to a threshold value, described scan image is obtained to the image pixel that is greater than described threshold value, described authentication unit 4 is according to the anti-counterfeiting characteristic of bank note Ultraluminescence effect, obtain the image pixel that the bright spot gray-scale value of masterplate bank note in ultraviolet light hypograph is greater than described threshold value, the image pixel that described authentication unit 4 is greater than described threshold value by the bank note scan image to be detected obtaining and the described masterplate bank note scan image obtaining obtain the image pixel that is greater than described threshold value and carry out similarity measure calculating, described authentication unit 4 is according to the true and false of result of calculation and predefined similarity threshold decision bank note to be detected.
As shown in Figure 3, specific embodiment of the invention process is: described currency detecting system comprises money transmitting channel 5, illumination unit 1, trigger sensor 6, scanning element 2, image characteristics extraction unit 3, authentication unit 4, host computer 7, gear unit 4.When having currency to enter by money transmitting channel 5, trigger sensor 6 senses currency, illumination unit 1 is with UV-irradiation bank note, due in the false proof region of bank note, there is one to there is Ultraluminescence effect, therefore for the ultraviolet light image of this view picture bank note, the region with Ultraluminescence effect will become very bright.Then the currency in 2 pairs of money transmitting channels 5 of scanning element scans under UV-irradiation, obtains the scan image that the ultraviolet source of currency excites.Described image characteristics extraction unit 3 is according to the anti-counterfeiting characteristic of bank note Ultraluminescence effect, bright spot gray-scale value in ultraviolet light image is set to a threshold value, according to the image of scanning element scanning, extract the image pixel that is greater than described threshold value, described authentication unit 4 is according to the anti-counterfeiting characteristic of bank note ultraviolet light image, obtain the image pixel that bright spot gray-scale value in masterplate bank note ultraviolet light image is greater than described threshold value, described authentication unit 4 is according to the anti-counterfeiting characteristic of bank note Ultraluminescence effect, obtain the image pixel that the bright spot gray-scale value of masterplate bank note in ultraviolet light hypograph is greater than described threshold value, the image pixel that described authentication unit 4 is greater than described threshold value by the bank note scan image to be detected obtaining and the described masterplate bank note scan image obtaining obtain the image pixel that is greater than described threshold value and carry out similarity measure calculating, described authentication unit 4 is according to the true and false of result of calculation and predefined similarity threshold decision bank note to be detected.In specific embodiment, described image characteristics extraction unit 3 comprises the first memory module 31, and described the first memory module 31 is preserved the described image pixel extracting with matrix form.Described authentication unit 4 comprises the image characteristics extraction module 41 of extracting masterplate bank note characteristics of image, described image characteristics extraction module 41 is extracted masterplate bank note image characteristics extraction module, described image characteristics extraction module, according to the anti-counterfeiting characteristic of bank note Ultraluminescence effect, is obtained the image pixel that the bright spot gray-scale value of masterplate bank note in ultraviolet light hypograph is greater than described threshold value.Described authentication unit 4 comprises the second memory module 42, and described the second memory module 42 preserves with matrix form the image pixel that the bright spot gray-scale value of masterplate bank note in ultraviolet light hypograph is greater than described threshold value.Described currency detecting system also comprises the image pixel red blue fiber extraction unit 32 of the red blue fiber of extraction bank note under ultraviolet light, and described currency detecting system also comprises the red blue fiber authentication module 43 that has or not the true and false that judges bank note to be detected of the image pixel under ultraviolet light by the red blue fiber of bank note.
In specific embodiment, the similarity measure of two width image image pixels is calculated with related function, described related function is:
Wherein,
for the ultraviolet light image pixel of bank note to be detected,
for masterplate bank note ultraviolet light image pixel, R(i, j) be two width image image pixel similarity measures, the line number of m image pixel, the columns that n is image pixel.
According to the similarity measure of result of calculation, similarity measure is set and is greater than a threshold values and is genuine notes, being less than or equal to a threshold values is counterfeit money.
Technique effect of the present invention is: build a kind of currency examine method and system that ultraviolet light image is identified, with ultraviolet source irradiation pre-authentication bank note, obtain the scan image of described bank note under ultraviolet light, described image characteristics extraction unit is according to the anti-counterfeiting characteristic of bank note Ultraluminescence effect, the bright spot gray-scale value of described scan image is set to a threshold value, described scan image is obtained to the image pixel that is greater than described threshold value, according to the anti-counterfeiting characteristic of bank note Ultraluminescence effect, obtain the image pixel that the bright spot gray-scale value of masterplate bank note in ultraviolet light hypograph is greater than described threshold value, the image pixel that the bank note scan image to be detected obtaining is greater than to described threshold value and the described masterplate bank note scan image obtaining obtain the image pixel that is greater than described threshold value and carry out similarity measure calculating, according to the true and false of result of calculation and predefined similarity threshold decision bank note to be detected.A kind of currency examine method and system that ultraviolet light image is identified of the present invention, can effectively improve the insolation level to ultraviolet anti-fake feature of automatic depositing-withdrawing equipment currency checking module, and can realize the check of the red blue fiber to imbedding at random in bank note.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (2)
1. a currency examine method of ultraviolet light image being identified, comprises the steps:
Irradiate bank note: with ultraviolet source irradiation pre-authentication bank note;
Obtain scan image: scan described bank note, obtain the scan image of described bank note under ultraviolet light;
Extract characteristics of image: according to the anti-counterfeiting characteristic of bank note Ultraluminescence effect, the bright spot gray-scale value of described scan image is set to a threshold value, described scan image is obtained to the image pixel that is greater than described threshold value;
Authenticity verification: according to the anti-counterfeiting characteristic of bank note Ultraluminescence effect, obtain the image pixel that the bright spot gray-scale value of masterplate bank note in ultraviolet light hypograph is greater than described threshold value, the image pixel that the bank note scan image to be detected obtaining is greater than to described threshold value and the described masterplate bank note scan image obtaining obtain the image pixel that is greater than described threshold value and carry out similarity measure calculating, according to the true and false of result of calculation and predefined similarity threshold decision bank note to be detected;
Described extraction image characteristic step also comprises according to the anti-counterfeiting characteristic of the red blue fiber of bank note, extracts the image pixel of the red blue fiber of bank note under ultraviolet light;
Described authenticity verification step also comprises the true and false that judges bank note to be detected that has or not of by the red blue fiber of the bank note image pixel under ultraviolet light;
The extraction of described image pixel value is preserved with matrix form;
In described authenticity verification step, the similarity measure of image pixel is calculated with related function, described related function is:
Wherein, the ultraviolet light image pixel that S (m, n) is bank note to be detected, T (m, n) is masterplate bank note ultraviolet light image pixel, R(i, j) and be similarity measure, the line number of m image pixel, the columns that n is image pixel.
2. the currency detecting system that ultraviolet light image is identified, it is characterized in that, comprise the illumination unit carrying out banknote image irradiation, the scanning element of scanning paper currency image, extract the image characteristics extraction unit of characteristics of image, carry out the authentication unit of forge or true or paper money checking, ultraviolet source irradiation pre-authentication bank note for described illumination unit, described scanning element scans described bank note, obtain the scan image of described bank note under ultraviolet light, described image characteristics extraction unit is according to the anti-counterfeiting characteristic of bank note Ultraluminescence effect, the bright spot gray-scale value of described scan image is set to a threshold value, described scan image is obtained to the image pixel that is greater than described threshold value, described authentication unit is according to the anti-counterfeiting characteristic of bank note Ultraluminescence effect, obtain the image pixel that the bright spot gray-scale value of masterplate bank note in ultraviolet light hypograph is greater than described threshold value, the image pixel that the bank note scan image to be detected obtaining is greater than to described threshold value and the described masterplate bank note scan image obtaining obtain the image pixel that is greater than described threshold value and carry out similarity measure calculating, according to the true and false of result of calculation and predefined similarity threshold decision bank note to be detected, currency detecting system also comprises the image pixel red blue fiber extraction unit of the red blue fiber of extraction bank note under ultraviolet light, described currency detecting system also comprises the red blue fiber authentication module that has or not the true and false that judges bank note to be detected of the image pixel under ultraviolet light by the red blue fiber of bank note, described image characteristics extraction unit comprises the first memory module, and described the first memory module is preserved the described image pixel extracting with matrix form, described authentication unit comprises extraction masterplate bank note image characteristics extraction module, described image characteristics extraction module, according to the anti-counterfeiting characteristic of bank note Ultraluminescence effect, is obtained the image pixel that the bright spot gray-scale value of masterplate bank note in ultraviolet light hypograph is greater than described threshold value, described authentication unit comprises the second memory module, and described the second memory module preserves with matrix form the image pixel that the bright spot gray-scale value of masterplate bank note in ultraviolet light hypograph is greater than described threshold value.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106485829A (en) * | 2016-10-20 | 2017-03-08 | 上海古鳌电子科技股份有限公司 | A kind of bank slip recognition device and method based on ultraviolet excitation special element feature |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6026194B2 (en) * | 2012-09-21 | 2016-11-16 | 株式会社東芝 | Paper sheet re-inspection device, paper sheet inspection system, and paper sheet inspection method |
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| CN113656621A (en) * | 2021-07-23 | 2021-11-16 | 武汉祺锦信息技术有限公司 | Anti-counterfeiting tracing processing system based on block chain photo |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1604125A (en) * | 2004-11-11 | 2005-04-06 | 上海交通大学 | Target image automatic identification and rapid tracking method |
| CN1619296A (en) * | 2003-11-21 | 2005-05-25 | 中国印钞造币总公司 | Device and method used for detecting flake material fluorescent image printing quality |
| CN1811831A (en) * | 2005-12-29 | 2006-08-02 | 兆日科技（深圳）有限公司 | Fiber image antifake method |
| CN101882338A (en) * | 2009-05-08 | 2010-11-10 | 中国印钞造币总公司 | Method and device for detection of banknote paper watermark |
| CN101923741A (en) * | 2010-08-11 | 2010-12-22 | 西安理工大学 | Paper currency number identification method based on currency detector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101276472B (en) * | 2008-04-08 | 2010-12-08 | 华南师范大学 | Method and system for preprocessing sequence chart |
-
2011
- 2011-05-25 CN CN201110136875.0A patent/CN102324132B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1619296A (en) * | 2003-11-21 | 2005-05-25 | 中国印钞造币总公司 | Device and method used for detecting flake material fluorescent image printing quality |
| CN1604125A (en) * | 2004-11-11 | 2005-04-06 | 上海交通大学 | Target image automatic identification and rapid tracking method |
| CN1811831A (en) * | 2005-12-29 | 2006-08-02 | 兆日科技（深圳）有限公司 | Fiber image antifake method |
| CN101882338A (en) * | 2009-05-08 | 2010-11-10 | 中国印钞造币总公司 | Method and device for detection of banknote paper watermark |
| CN101923741A (en) * | 2010-08-11 | 2010-12-22 | 西安理工大学 | Paper currency number identification method based on currency detector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106485829A (en) * | 2016-10-20 | 2017-03-08 | 上海古鳌电子科技股份有限公司 | A kind of bank slip recognition device and method based on ultraviolet excitation special element feature |
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|---|---|
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