CN105069895B - The method and banknote tester of a kind of paper currency detection - Google Patents

The method and banknote tester of a kind of paper currency detection Download PDF

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Publication number
CN105069895B
CN105069895B CN201510456567.4A CN201510456567A CN105069895B CN 105069895 B CN105069895 B CN 105069895B CN 201510456567 A CN201510456567 A CN 201510456567A CN 105069895 B CN105069895 B CN 105069895B
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bank note
area
overlapping
thickness
determined
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CN105069895A (en
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越荣中
黄勃
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Shenzhen Yihua Computer Co Ltd
Shenzhen Yihua Time Technology Co Ltd
Shenzhen Yihua Financial Intelligent Research Institute
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Shenzhen Yihua Computer Co Ltd
Shenzhen Yihua Time Technology Co Ltd
Shenzhen Yihua Financial Intelligent Research Institute
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Abstract

The embodiment of the invention discloses the method and banknote tester for disclosing a kind of paper currency detection, whether occurs the information of slant correction failure when detecting paper money recognition by the main control unit of identification module；If so, Thickness sensitivity then is carried out to the bank note；If it is not, then normally identified to the bank note by the identification module, crosses paper money process occur bank note it is overlapping when, the correct counting of bank note and, the overlapping number of accurate judgement, can be ensured by the thickness of non-background data in calculated thickness ranges of sensors.

Description

The method and banknote tester of a kind of paper currency detection
Technical field
The present embodiments relate to the method and banknote tester of the technical field of ATM, more particularly to a kind of paper currency detection.
Background technology
In the identification module of existing automatic teller machine, because bank note is often inclined, it is necessary first to which bank note is carried out The processing of slant correction, the identification of thickness characteristics is then included in the follow-up anti-counterfeiting characteristic of progress.But if there is the overlapping of bank note Such as the situation that two bank note overlaps, although bank note overlapping cases are less during crosses paper money, two re-open, three re-open all Occasionally occur, frequently can lead to the failure of slant correction.And in the identification module of existing automatic teller machine, the master control of identification module If part detects the situation of " slant correction failure occurred ", to accelerate the disposed of in its entirety speed of identification module, can control Identification module, which no longer carries out follow-up anti-counterfeiting characteristic, includes the identification of thickness characteristics.By substantial amounts of experiment test find, when crosses paper money, When abnormality occurs in note distribution, two can be caused to re-open or three re-open situation appearance, and during the counting of the main control part of identification module then Two banknotes to overlap can be counted as a banknote, caused because two re-open and occur causing to count malfunctioning.
The content of the invention
The purpose of the embodiment of the present invention is the method and banknote tester for proposing a kind of paper currency detection, it is intended to which how solution subtracts The problem of few overlapping bank note miscount.
To use following technical scheme up to this purpose, the embodiment of the present invention：
A kind of method of paper currency detection, methods described include：
Whether the information of slant correction failure is occurred when detecting paper money recognition by the main control unit of identification module；
If so, Thickness sensitivity then is carried out to the bank note；
If it is not, then the bank note is normally identified by the identification module.
Preferably, it is described to bank note progress Thickness sensitivity, including：
Determine the overlay information of the bank note, the overlay information includes background data, underlapped bank note data, overlapping Two bank note datas, overlapping three bank note datas and overlapping four bank note datas；
The area of the bank note is obtained according to the overlay information；
Determine the number of the bank note according to the area of the bank note, the number of the bank note is the area for every The multiple value of the area of bank note.
Preferably, the overlay information for determining the bank note, including：
If the thickness amplitude of the bank note is less than 0.015mm, it is determined that the thickness data of the bank note is background data；
If the thickness amplitude of the bank note is more than 0.075mm and is less than 0.13125mm, it is determined that the thickness number of the bank note According to for underlapped bank note data；
If the thickness amplitude of the bank note is more than 0.13125mm and is less than 0.2625mm, it is determined that the thickness of the bank note Data are two overlapping bank note datas；
If the thickness amplitude of the bank note is more than 0.2625mm and is less than 0.375mm, it is determined that the thickness number of the bank note According to for three overlapping bank note datas；
If the thickness amplitude of the bank note is more than 0.375mm and is less than 0.46875mm, it is determined that the thickness number of the bank note According to for four overlapping bank note datas.
Preferably, the area that the bank note is obtained according to the overlay information, including：
The area for calculating the bank note is X1+2*X2+3*X3+4*X4, and the X1 is the area of underlapped bank note, X2 is Area, the X3 of two overlapping bank note are the area that area, the X4 of three overlapping bank note are four overlapping bank note.
Preferably, the area according to the bank note determines the number of the bank note, including：
If the area<=60mm2, it is determined that the quantity of the bank note is 0；
If the area 60mm2<Area<=118mm2, it is determined that the quantity of the bank note is 1；
If the area 118mm2<Area<=236mm2, it is determined that the quantity of the bank note is 2；
If the area is 236mm2<Area<=337mm2, it is determined that the quantity of the bank note is 3；
If the area is 337mm2<Area<=422mm2, it is determined that the quantity of the bank note is 4.
A kind of banknote tester, described device include：
First detection module, whether there is slant correction during for detecting paper money recognition by the main control unit of identification module The information of failure；
Second detection module, for if so, then carrying out Thickness sensitivity to the bank note；
Identification module, for if it is not, then normally being identified to the bank note by the identification module.
Preferably, second detection module, including：
First determining unit, for determining the overlay information of the bank note, the overlay information includes background data, not weighed Folded bank note data, overlapping two bank note datas, overlapping three bank note datas and overlapping four bank note datas；
Acquiring unit, for obtaining the area of the bank note according to the overlay information；
Second determining unit, for determining the number of the bank note, the number of the bank note according to the area of the bank note The area of multiple value for to(for) the area of each banknote.
Preferably, first determining unit, including：
Background cell, if the thickness amplitude for the bank note is less than 0.015mm, it is determined that the thickness data of the bank note For background data；
Underlapped unit, if the thickness amplitude for the bank note is more than 0.075mm and is less than 0.13125mm, it is determined that The thickness data of the bank note is underlapped bank note data；
First overlapped elements, if the thickness amplitude for the bank note is more than 0.13125mm and is less than 0.2625mm, really The thickness data of the fixed bank note is two overlapping bank note datas；
Second overlapped elements, if the thickness amplitude for the bank note is more than 0.2625mm and is less than 0.375mm, it is determined that The thickness data of the bank note is three overlapping bank note datas；
Triple-overlapped unit, if the thickness amplitude for the bank note is more than 0.375mm and is less than 0.46875mm, really The thickness data of the fixed bank note is four overlapping bank note datas.
Preferably, the acquiring unit, is used for：
The area for calculating the bank note is X1+2*X2+3*X3+4*X4, and the X1 is the area of underlapped bank note, X2 is Area, the X3 of two overlapping bank note are the area that area, the X4 of three overlapping bank note are four overlapping bank note.
Preferably, second determining unit, including：
First processing units, if for the area<=60mm2, it is determined that the quantity of the bank note is 0；
Second processing units, if for the area 60mm2<Area<=118mm2, it is determined that the quantity of the bank note is 1；
3rd processing units, if for the area 118mm2<Area<=236mm2, it is determined that the quantity of the bank note is 2；
4th processing units, if being 236mm for the area2<Area<=337mm2, it is determined that the quantity of the bank note For 3；
5th processing units, if being 337mm for the area2<Area<=422mm2, it is determined that the quantity of the bank note For 4.
Whether the embodiment of the present invention there is slant correction failure when detecting paper money recognition by the main control unit of identification module Information；If so, Thickness sensitivity then is carried out to the bank note；If it is not, then the bank note is carried out just by the identification module General knowledge is other, crosses paper money process occur bank note it is overlapping when, by the thickness of non-background data in calculated thickness ranges of sensors and, The overlapping number of accurate judgement, the correct counting of bank note can be ensured.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the method first embodiment of paper currency detection of the embodiment of the present invention；
Fig. 2 is the high-level schematic functional block diagram of banknote tester of the embodiment of the present invention；
Fig. 3 is the high-level schematic functional block diagram of the second detection module of the embodiment of the present invention 202；
Fig. 4 is the high-level schematic functional block diagram of the first determining unit of the embodiment of the present invention 301；
Fig. 5 is the high-level schematic functional block diagram of the second determining unit of the embodiment of the present invention 303.
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 describing, the part related to the embodiment of the present invention rather than entire infrastructure are illustrate only in accompanying drawing.
Embodiment one
With reference to figure 1, Fig. 1 is the schematic flow sheet of the method first embodiment of paper currency detection of the embodiment of the present invention.
In embodiment one, the method for the paper currency detection includes：
Step 101, whether occurs the letter of slant correction failure when detecting paper money recognition by the main control unit of identification module Breath；
Specifically, if the main control part of identification module detects that slant correction fails, without other anti-counterfeiting characteristics Identification, the identification of thickness characteristics is only carried out, if the main control part of identification module is not detected by slant correction failure, controlled The identification process of the normal bank note of identification module progress processed includes the identification of all features.
Step 102, if so, then carrying out Thickness sensitivity to the bank note；
Preferably, it is described to bank note progress Thickness sensitivity, including：
Determine the overlay information of the bank note, the overlay information includes background data, underlapped bank note data, overlapping Two bank note datas, overlapping three bank note datas and overlapping four bank note datas；
Preferably, the overlay information for determining the bank note, including：
If the thickness amplitude of the bank note is less than 0.015mm, it is determined that the thickness data of the bank note is background data；
If the thickness amplitude of the bank note is more than 0.075mm and is less than 0.13125mm, it is determined that the thickness number of the bank note According to for underlapped bank note data；
If the thickness amplitude of the bank note is more than 0.13125mm and is less than 0.2625mm, it is determined that the thickness of the bank note Data are two overlapping bank note datas；
If the thickness amplitude of the bank note is more than 0.2625mm and is less than 0.375mm, it is determined that the thickness number of the bank note According to for three overlapping bank note datas；
If the thickness amplitude of the bank note is more than 0.375mm and is less than 0.46875mm, it is determined that the thickness number of the bank note According to for four overlapping bank note datas.
The area of the bank note is obtained according to the overlay information；
Preferably, the area that the bank note is obtained according to the overlay information, including：
The area for calculating the bank note is X1+2*X2+3*X3+4*X4, and the X1 is the area of underlapped bank note, X2 is Area, the X3 of two overlapping bank note are the area that area, the X4 of three overlapping bank note are four overlapping bank note.
Determine the number of the bank note according to the area of the bank note, the number of the bank note is the area for every The multiple value of the area of bank note.
Preferably, the area according to the bank note determines the number of the bank note, including：
If the area<=60mm2, it is determined that the quantity of the bank note is 0；
If the area 60mm2<Area<=118mm2, it is determined that the quantity of the bank note is 1；
If the area 118mm2<Area<=236mm2, it is determined that the quantity of the bank note is 2；
If the area is 236mm2<Area<=337mm2, it is determined that the quantity of the bank note is 3；
If the area is 337mm2<Area<=422mm2, it is determined that the quantity of the bank note is 4.
Step 103, if it is not, then normally being identified to the bank note by the identification module.
Specifically, all data in statistical thickness ranges of sensors, wherein, thickness amplitude is the back of the body less than 0.015mm Scape data,
Thickness amplitude is more than 0.075mm and is underlapped bank note data less than 0.13125mm,
Thickness amplitude is more than 0.13125mm and is two overlapping bank note datas less than 0.2625mm,
Thickness amplitude is more than 0.2625mm and is three overlapping bank note datas less than 0.375mm,
Thickness amplitude is more than 0.375mm and is four overlapping bank note datas less than 0.46875mm,
The region area of the above-mentioned data of counting statistics respectively.
Wherein, what thickness amplitude was less than 0.015mm is X0 for background data region area；
Thickness amplitude is more than 0.075mm and for underlapped bank note data region area is X1 less than 0.13125mm；
Thickness amplitude is more than 0.13125mm and less than 0.2625mm X2；
Thickness amplitude is more than 0.2625mm and for three overlapping bank note data region areas is X3 less than 0.375mm；
Thickness amplitude is more than 0.375mm and for four overlapping bank note data region areas is X4 less than 0.46875mm.
Area=X1+2*X2+3*X3+4*X4；
If area<=60mm2, then judge bank note quantity for 0；
If 60mm2<Area<=118mm2, then judge bank note quantity for 1；
If 118mm2<Area<=236mm2, then judge bank note quantity for 2；I.e. two pieces of paper coin overlaps one piece, is double The situation opened；
If 236mm2<Area<=337mm2, then judge bank note quantity for 3；I.e. two pieces of paper coin overlaps one piece, is triple The situation opened；
If 337mm2<Area<=422mm2, then judge bank note quantity for 4；I.e. two pieces of paper coin overlaps one piece, is quadruple The situation opened.
And the bank note quantity that will determine that sends the main control part of identification module to.
The bank note overlapping more than four cannot be introduced into crosses paper money process, and this is that the mechanical structure of identification module limits.
Other three in the case of re-open, if three bank note relative offsets are more, it is possible to three non-overlapping paper Coin data area, only overlapping two bank note data regions.
Similarly, four in the case of re-open, if four bank note relative offsets are more, it is possible to four non-overlapping paper Coin data area, only overlapping three bank note data regions, or even only overlapping two bank note data regions.
Similarly, two in the case of re-open, if two pieces of paper coin relative offset is more, it is possible to two non-overlapping paper Coin data area, two pieces of paper coin is entirely separated, without lap.
Whether the embodiment of the present invention there is slant correction failure when detecting paper money recognition by the main control unit of identification module Information；If so, Thickness sensitivity then is carried out to the bank note；If it is not, then the bank note is carried out just by the identification module General knowledge is other, crosses paper money process occur bank note it is overlapping when, by the thickness of non-background data in calculated thickness ranges of sensors and, The overlapping number of accurate judgement, the correct counting of bank note can be ensured.
Embodiment two
With reference to figure 2, Fig. 2 is the high-level schematic functional block diagram of banknote tester of the embodiment of the present invention.
In embodiment two, the banknote tester includes：
First detection module 201, whether tilt during for detecting paper money recognition by the main control unit of identification module Correct the information of failure；
Specifically, if the main control part of identification module detects that slant correction fails, without other anti-counterfeiting characteristics Identification, the identification of thickness characteristics is only carried out, if the main control part of identification module is not detected by slant correction failure, controlled The identification process of the normal bank note of identification module progress processed includes the identification of all features.
Second detection module 202, for if so, then carrying out Thickness sensitivity to the bank note；
Preferably, with reference to figure 3, Fig. 3 is the high-level schematic functional block diagram of the second detection module of the embodiment of the present invention 202.It is described Second detection module 202, including：
First determining unit 301, for determining the overlay information of the bank note, the overlay information include background data, Underlapped bank note data, overlapping two bank note datas, overlapping three bank note datas and overlapping four bank note datas；
Preferably, with reference to figure 4, Fig. 4 is the high-level schematic functional block diagram of the first determining unit of the embodiment of the present invention 301.It is described First determining unit 301, including：
Background cell 401, if the thickness amplitude for the bank note is less than 0.015mm, it is determined that the thickness of the bank note Data are background data；
Underlapped unit 402, if the thickness amplitude for the bank note is more than 0.075mm and is less than 0.13125mm, really The thickness data of the fixed bank note is underlapped bank note data；
First overlapped elements 403, if the thickness amplitude for the bank note is more than 0.13125mm and is less than 0.2625mm, The thickness data for then determining the bank note is two overlapping bank note datas；
Second overlapped elements 404, if the thickness amplitude for the bank note is more than 0.2625mm and is less than 0.375mm, The thickness data for determining the bank note is three overlapping bank note datas；
Triple-overlapped unit 405, if the thickness amplitude for the bank note is more than 0.375mm and is less than 0.46875mm, The thickness data for determining the bank note is four overlapping bank note datas.
Acquiring unit 302, for obtaining the area of the bank note according to the overlay information；
Preferably, the acquiring unit 302, is used for：
The area for calculating the bank note is X1+2*X2+3*X3+4*X4, and the X1 is the area of underlapped bank note, X2 is Area, the X3 of two overlapping bank note are the area that area, the X4 of three overlapping bank note are four overlapping bank note.
Second determining unit 303, for determining the number of the bank note, of the bank note according to the area of the bank note Multiple value of the number for the area for the area of each banknote.
Preferably, with reference to figure 5, Fig. 5 is the high-level schematic functional block diagram of the second determining unit of the embodiment of the present invention 303.It is described Second determining unit 303, including：
First processing units 501, if for the area<=60mm2, it is determined that the quantity of the bank note is 0；
Second processing units 502, if for the area 60mm2<Area<=118mm2, it is determined that the quantity of the bank note For 1；
3rd processing units 503, if for the area 118mm2<Area<=236mm2, it is determined that the number of the bank note Measure as 2；
4th processing units 504, if being 236mm for the area2<Area<=337mm2, it is determined that the bank note Quantity is 3；
5th processing units 505, if being 337mm for the area2<Area<=422mm2, it is determined that the bank note Quantity is 4.
Identification module 203, for if it is not, then normally being identified to the bank note by the identification module.
Specifically, all data in statistical thickness ranges of sensors, wherein, thickness amplitude is the back of the body less than 0.015mm Scape data,
Thickness amplitude is more than 0.075mm and is underlapped bank note data less than 0.13125mm,
Thickness amplitude is more than 0.13125mm and is two overlapping bank note datas less than 0.2625mm,
Thickness amplitude is more than 0.2625mm and is three overlapping bank note datas less than 0.375mm,
Thickness amplitude is more than 0.375mm and is four overlapping bank note datas less than 0.46875mm,
The region area of the above-mentioned data of counting statistics respectively.
Wherein, what thickness amplitude was less than 0.015mm is X0 for background data region area；
Thickness amplitude is more than 0.075mm and for underlapped bank note data region area is X1 less than 0.13125mm；
Thickness amplitude is more than 0.13125mm and less than 0.2625mm X2；
Thickness amplitude is more than 0.2625mm and for three overlapping bank note data region areas is X3 less than 0.375mm；
Thickness amplitude is more than 0.375mm and for four overlapping bank note data region areas is X4 less than 0.46875mm.
Area=X1+2*X2+3*X3+4*X4；
If area<=60mm2, then judge bank note quantity for 0；
If 60mm2<Area<=118mm2, then judge bank note quantity for 1；
If 118mm2<Area<=236mm2, then judge bank note quantity for 2；I.e. two pieces of paper coin overlaps one piece, is double The situation opened；
If 236mm2<Area<=337mm2, then judge bank note quantity for 3；I.e. two pieces of paper coin overlaps one piece, is triple The situation opened；
If 337mm2<Area<=422mm2, then judge bank note quantity for 4；I.e. two pieces of paper coin overlaps one piece, is quadruple The situation opened.
And the bank note quantity that will determine that sends the main control part of identification module to.
The bank note overlapping more than four cannot be introduced into crosses paper money process, and this is that the mechanical structure of identification module limits.
Other three in the case of re-open, if three bank note relative offsets are more, it is possible to three non-overlapping paper Coin data area, only overlapping two bank note data regions.
Similarly, four in the case of re-open, if four bank note relative offsets are more, it is possible to four non-overlapping paper Coin data area, only overlapping three bank note data regions, or even only overlapping two bank note data regions.
Similarly, two in the case of re-open, if two pieces of paper coin relative offset is more, it is possible to two non-overlapping paper Coin data area, two pieces of paper coin is entirely separated, without lap.
Whether the embodiment of the present invention there is slant correction failure when detecting paper money recognition by the main control unit of identification module Information；If so, Thickness sensitivity then is carried out to the bank note；If it is not, then the bank note is carried out just by the identification module General knowledge is other, crosses paper money process occur bank note it is overlapping when, by the thickness of non-background data in calculated thickness ranges of sensors and, The overlapping number of accurate judgement, the correct counting of bank note can be ensured.
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 (6)

  1. A kind of 1. method of paper currency detection, it is characterised in that methods described includes：
    Whether the information of slant correction failure is occurred when detecting paper money recognition by the main control unit of identification module；
    If so, Thickness sensitivity then is carried out to the bank note；
    If it is not, then the bank note is normally identified by the identification module；
    Wherein, it is described to bank note progress Thickness sensitivity, including：
    The overlay information of the bank note is determined, the overlay information includes background data, underlapped bank note data, overlapping two Open bank note data, overlapping three bank note datas and overlapping four bank note datas；
    The area of the bank note is obtained according to the overlay information；
    Determine the number of the bank note according to the area of the bank note, the number of the bank note is the area for each banknote Area multiple value；
    Wherein, the area that the bank note is obtained according to the overlay information, including：
    The area for calculating the bank note is X1+2*X2+3*X3+4*X4, and the X1 is the area of underlapped bank note, X2 is overlapping Area, the X3 of two bank note be that area, the X4 of three overlapping bank note are the area of four overlapping bank note.
  2. 2. according to the method for claim 1, it is characterised in that the overlay information for determining the bank note, including：
    If the thickness amplitude of the bank note is less than 0.015mm, it is determined that the thickness data of the bank note is background data；
    If the thickness amplitude of the bank note is more than 0.075mm and is less than 0.13125mm, it is determined that the thickness data of the bank note is Underlapped bank note data；
    If the thickness amplitude of the bank note is more than 0.13125mm and is less than 0.2625mm, it is determined that the thickness data of the bank note For two overlapping bank note datas；
    If the thickness amplitude of the bank note is more than 0.2625mm and is less than 0.375mm, it is determined that the thickness data of the bank note is Three overlapping bank note datas；
    If the thickness amplitude of the bank note is more than 0.375mm and is less than 0.46875mm, it is determined that the thickness data of the bank note is Four overlapping bank note datas.
  3. 3. according to the method for claim 1, it is characterised in that the area according to the bank note determines the bank note Number, including：
    If the area<=60mm2, it is determined that the quantity of the bank note is 0；
    If the area 60mm2<Area<=118mm2, it is determined that the quantity of the bank note is 1；
    If the area 118mm2<Area<=236mm2, it is determined that the quantity of the bank note is 2；
    If the area is 236mm2<Area<=337mm2, it is determined that the quantity of the bank note is 3；
    If the area is 337mm2<Area<=422mm2, it is determined that the quantity of the bank note is 4.
  4. 4. a kind of banknote tester, it is characterised in that described device includes：
    First detection module, whether there is slant correction failure during for detecting paper money recognition by the main control unit of identification module Information；
    Second detection module, for if so, then carrying out Thickness sensitivity to the bank note；
    Identification module, for if it is not, then normally being identified to the bank note by the identification module；
    Wherein, second detection module, including：
    First determining unit, for determining the overlay information of the bank note, the overlay information includes background data, underlapped Bank note data, overlapping two bank note datas, overlapping three bank note datas and overlapping four bank note datas；
    Acquiring unit, for obtaining the area of the bank note according to the overlay information；
    Second determining unit, for determining the number of the bank note according to the area of the bank note, the number of the bank note is institute State multiple value of the area for the area of each banknote；
    Wherein, the acquiring unit, is used for：
    The area for calculating the bank note is X1+2*X2+3*X3+4*X4, and the X1 is the area of underlapped bank note, X2 is overlapping Area, the X3 of two bank note be that area, the X4 of three overlapping bank note are the area of four overlapping bank note.
  5. 5. device according to claim 4, it is characterised in that first determining unit, including：
    Background cell, if the thickness amplitude for the bank note is less than 0.015mm, it is determined that the thickness data of the bank note is the back of the body Scape data；
    Underlapped unit, if the thickness amplitude for the bank note is more than 0.075mm and is less than 0.13125mm, it is determined that described The thickness data of bank note is underlapped bank note data；
    First overlapped elements, if the thickness amplitude for the bank note is more than 0.13125mm and is less than 0.2625mm, it is determined that institute The thickness data for stating bank note is two overlapping bank note datas；
    Second overlapped elements, if the thickness amplitude for the bank note is more than 0.2625mm and is less than 0.375mm, it is determined that described The thickness data of bank note is three overlapping bank note datas；
    Triple-overlapped unit, if the thickness amplitude for the bank note is more than 0.375mm and is less than 0.46875mm, it is determined that institute The thickness data for stating bank note is four overlapping bank note datas.
  6. 6. device according to claim 4, it is characterised in that second determining unit, including：
    First processing units, if for the area<=60mm2, it is determined that the quantity of the bank note is 0；
    Second processing units, if for the area 60mm2<Area<=118mm2, it is determined that the quantity of the bank note is 1；
    3rd processing units, if for the area 118mm2<Area<=236mm2, it is determined that the quantity of the bank note is 2；
    4th processing units, if being 236mm for the area2<Area<=337mm2, it is determined that the quantity of the bank note is 3；
    5th processing units, if being 337mm for the area2<Area<=422mm2, it is determined that the quantity of the bank note is 4.
CN201510456567.4A 2015-07-29 2015-07-29 The method and banknote tester of a kind of paper currency detection Expired - Fee Related CN105069895B (en)

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