CN109389737B - Currency detection method and system - Google Patents
Currency detection method and system Download PDFInfo
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- CN109389737B CN109389737B CN201811110475.0A CN201811110475A CN109389737B CN 109389737 B CN109389737 B CN 109389737B CN 201811110475 A CN201811110475 A CN 201811110475A CN 109389737 B CN109389737 B CN 109389737B
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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
- G07D7/2008—Testing patterns thereon using pre-processing, e.g. de-blurring, averaging, normalisation or rotation
Abstract
The invention provides a currency detecting method and a system thereof, wherein the currency detecting method comprises the following steps: step S1: carrying out initialization; step S2: putting in the paper money; step S3: judging whether the main control module detects the arrival of the paper money; when the main control module detects that the paper money arrives, executing step S4; when the main control module does not detect the arrival of the paper money, judging whether the main control module detects a fault; when the main control module detects a fault, correcting the fault, and returning to the step S2; when the main control module does not detect the fault, returning to the step S2; step S4: the image sensor starts to collect the image data of the paper money; step S5: the main control module judges whether the currency detecting system has a fault or not; when there is a failure, step S6 is executed; when there is no failure, step S7 is executed; step S6: correction is performed, followed by returning to step S2; step S7: the image of the bill is authenticated and the process returns to step S2. The invention has the beneficial effects that: the use efficiency of the user is increased, and the performance parameters of the currency detecting equipment are improved.
Description
Technical Field
The invention relates to the technical field of paper money detection, in particular to a money detecting method and a system thereof.
Background
The detection of the authenticity of the paper money is an important problem in the development of national economy. The development of the currency detection technology of the paper currency has very important significance for ensuring the stability of the social and economic order.
The current banknote validation measures include two major categories:
one is for the currency examination of the artificial paper money, the first measure does not need to use a special identification instrument, and people can identify the truth of the money by the watermarks, safety lines, optically variable ink denomination numbers, engraved intaglio printing, and yin-yang complementary opposite printing patterns aiming at the paper money by hands and eyes, but the identification result is different from person to person, and the method is not easy to popularize when aiming at a large number of paper money.
The other type is a mechanical anti-counterfeiting measure, the paper money checking equipment implements anti-counterfeiting on colorless fluorescent ink printed patterns, colorless fluorescent fibers, colored fluorescent ink printed patterns, magnetic numbers and the like of paper money through identification instruments such as a fluorescence detector, a magnetic detector, an infrared penetration detector and a laser detector, however, fault detection is not carried out on the paper money checking equipment, once transaction failure is caused due to faults of the paper money checking equipment in the transaction process, the use efficiency of a user is reduced, the equipment cannot be used subsequently due to the fact that the faults cannot be processed in time, and performance parameters of the paper money checking equipment are reduced.
Disclosure of Invention
In order to solve the above problems in the prior art, a banknote checking method and a banknote checking system are provided, which aim to perform fault detection on banknote checking equipment through a main control module, so that faults corresponding to the banknote checking equipment are processed in time, and therefore the use efficiency of a user is increased and the performance parameters of the banknote checking equipment are improved.
The specific technical scheme is as follows:
a currency detecting method is applied to a currency detecting system, wherein the currency detecting system is provided with a main control module and a plurality of image sensors, the main control module is in communication connection with the image sensors, and the currency detecting method comprises the following steps:
step S1: initializing a currency detecting system;
step S2: putting paper money into a money detecting system;
step S3: judging whether the main control module detects the arrival of the paper money;
when the main control module detects that the paper money arrives, executing step S4;
when the main control module does not detect the arrival of the paper money, judging whether the main control module detects a fault;
when the main control module detects a fault, the main control module analyzes the fault to obtain fault information, corrects the fault information, and returns to the step S2;
when the main control module does not detect the fault, returning to the step S2;
step S4: the image sensor starts to collect the image data of the paper money;
step S5: the main control module judges whether the currency detecting system has a fault according to the image data;
when the banknote checking system has a fault, executing step S6;
when the banknote checking system is not in fault, executing step S7;
step S6: analyzing the fault to obtain fault information, correcting the fault information, and then returning to the step S2;
step S7: the image of the bill is authenticated and then returns to step S2.
Preferably, the currency detecting method comprises the steps that a currency detecting system provides a light source, a main control module comprises an analog-digital conversion chip, and the light source is connected with the main control module;
step S1 includes the following steps:
step S11: initializing hardware configuration parameters;
step S12: initializing image counterfeit identification parameters and marking parameters of a currency detection system;
the hardware configuration parameters comprise light source parameters of a light source, configuration parameters of an analog-to-digital conversion chip and black-and-white image correction parameters of each image sensor for initialization.
Preferably, the currency detection method is characterized in that the image authentication parameters comprise UV data and infrared reflection data;
the marking parameters include a crown word number.
Preferably, the banknote checking method includes that the main control module includes a processing chip, and step S3 specifically includes: whether the main control module detects the arrival of the paper money is judged through the processing chip.
Preferably, the banknote identifying method, wherein the image sensor in step S4 is a contact image sensor.
Preferably, in the banknote checking method, the fault information in step S3 is the corresponding hardware configuration parameter.
Preferably, the banknote checking method includes that the banknote checking system provides a display, the main control module establishes a communication connection with the display, and step S7 specifically includes the following steps:
step S71: verifying the image data of the paper money in the step S4 according to the image authentication parameters and the marking parameters to obtain verification information;
step S72: the verification information is sent to the display, which displays the verification information, returning to step S2.
Preferably, the banknote checking method includes, in step S71, the following steps:
judging whether the image data of the paper money passes the verification;
when the image data of the paper money passes the verification, verification information passing the verification is obtained;
when the image data of the paper money is not verified, verification information which is not verified is obtained.
Preferably, the banknote checking method includes, in step S72, the following steps:
the display judges whether the check information is the check information passing the check;
when the verification information is the verification information passing the verification, the display displays the verification information and returns to the step S2;
when the verification information is the verification information that fails the verification, the display displays the verification information and prompts the user that the banknote is a counterfeit banknote, and then the process returns to step S2.
The system also comprises a currency examination system, wherein any currency examination method is adopted.
The technical scheme has the following advantages or beneficial effects: the main control module is used for detecting faults of the currency detecting equipment, so that faults corresponding to the currency detecting equipment are processed in time, the use efficiency of a user is increased, and the performance parameters of the currency detecting equipment are improved.
Drawings
Embodiments of the present invention will now be described more fully hereinafter with reference to the accompanying drawings. The drawings are, however, to be regarded as illustrative and explanatory only and are not restrictive of the scope of the invention.
FIG. 1 is a flow chart of a method of validating currency in accordance with an embodiment of the present invention;
FIG. 2 is a flowchart of step S1 of the banknote verification method according to the embodiment of the invention;
FIG. 3 is a flowchart of step S7 of the banknote validation method according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of an embodiment of a banknote detecting system according to the present invention.
Reference numerals: 1. the device comprises a main control module 11, a processing chip 12, an analog-to-digital conversion chip 13, a storage chip 2, a display 3, an image sensor 4 and a light source.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
The invention comprises a currency detection method, which is applied to a currency detection system, wherein the currency detection system is provided with a main control module 1 and a plurality of image sensors 3, the main control module 1 and the image sensors 3 are communicated, and the currency detection method comprises the following steps:
step S1: initializing a currency detecting system;
step S2: putting paper money into a money detecting system;
step S3: judging whether the main control module 1 detects the arrival of the paper money;
when the main control module 1 detects the arrival of the paper money, executing step S4;
when the main control module 1 does not detect the arrival of the paper money, judging whether the main control module 1 detects a fault;
when the main control module 1 detects a fault, the main control module 1 analyzes the fault to obtain fault information, corrects the fault information, and returns to the step S2;
when the main control module 1 does not detect the fault, returning to the step S2;
step S4: the image sensor 3 starts to collect the image data of the paper money;
step S5: the main control module 1 judges whether a fault exists in the currency detecting system according to the image data;
when the banknote checking system has a fault, executing step S6;
when the banknote checking system is not in fault, executing step S7;
step S6: analyzing the fault to obtain fault information, correcting the fault information, and then returning to the step S2;
step S7: the image of the bill is authenticated and then returns to step S2.
Of these, the number of image sensors 3 is two.
According to the embodiment, the main control module 1 is used for carrying out fault detection on the money detecting equipment, so that faults corresponding to the money detecting equipment are processed in time, the use efficiency of a user is increased, and the performance parameters of the money detecting equipment are improved.
Further, in the above embodiment, the banknote checking system provides the light source 4, the main control module 1 includes the analog-to-digital conversion chip 12, and the light source 4 is connected to the main control module 1;
step S1 includes the following steps:
step S11: initializing hardware configuration parameters;
step S12: initializing image counterfeit identification parameters and marking parameters of a currency detection system;
the hardware configuration parameters include parameters of the light source 4, configuration parameters of the analog-to-digital conversion chip 12, and black-and-white image correction parameters of each image sensor 3.
Further, as a preferred embodiment, the currency detecting system comprises an operation interface, and a user can perform self-setting on a required image counterfeit identification parameter and a marking parameter through the operation interface, for example, when the RMB needs to be detected, the image counterfeit identification parameter and the marking parameter are set as the counterfeit identification standard of the RMB; for example, if dollars are to be detected, the image authentication parameter and the marking parameter are set to the authentication standard of dollars. And the main control module 1 in the currency detecting system comprises a storage chip 13, and the image counterfeit identification parameters and the counterfeit identification standards of the marking parameters of different paper money can be stored in the storage chip 13, so that the required counterfeit identification standards can be called conveniently from the storage chip 13 at any time.
Further, in the above embodiments, the image authentication parameters and the authentication criteria of the marking parameters of different banknotes may be stored in other storage media, such as a magnetic disk, an optical disk, a usb disk, a network cloud disk, and the like.
Further, in the above embodiment, the image authentication parameters include UV data and infrared reflection data; the marking parameters include a crown word number.
Further, in the above embodiment, the main control module 1 includes the processing chip 11, and the step S3 specifically includes: whether the main control module 1 detects the arrival of the paper money is judged through the processing chip 11.
Further, as a preferred embodiment, whether the image sensor 3 collects the image data of the paper money or not can be used, when the image sensor 3 collects the image data of the paper money, the image sensor 3 sends the image data of the paper money to the processing chip 11, and the processing chip 11 receives the image data of the paper money and judges that the paper money arrives; when the image sensor 3 does not collect the image data of the paper money, the processing chip 11 determines that no paper money arrives if the image data of the paper money is not received within a predetermined time, wherein the predetermined time is a tiny time threshold, and the time threshold can be the time when a piece of paper money passes through the system.
Further, as a preferred embodiment, whether the image sensor 3 collects the image data of the paper money or not can be used, when the image sensor 3 collects the image data of the paper money, the image sensor 3 sends the image data of the paper money to the processing chip 11, and the processing chip 11 receives the image data of the paper money and judges that the paper money arrives; when the image sensor 3 does not collect the image data of the paper money, the image sensor 3 sends the image data of the empty paper money to the processing chip 11, and the processing chip 11 judges that no paper money arrives when receiving the image data of the empty paper money.
It should be noted that, the method for determining whether the main control module 1 detects the arrival of the banknote is not limited to the above two methods, and other methods may also be used to perform the detection, for example, an instrument specially used for detecting the arrival of the banknote, such as a displacement sensor, is arranged on the banknote checking system.
Further, in the above embodiment, the Image Sensor 3 in step S4 is a Contact Image Sensor 3 (CIS), and the Contact Image Sensor 3 is disposed on the banknote checking device, so that the entire banknote checking device has the advantages of small volume, light weight, low production cost, and the like.
Further, in the above embodiment, the failure information in step S3 is the corresponding hardware configuration parameter.
For example: when the fault information includes the fault of the light source 4, the main control module 1 adjusts the light source 4 parameter of the light source 4 to an initial state;
for example: when the fault information includes the fault of the analog-digital conversion chip 12, the main control module 1 adjusts the configuration parameters of the analog-digital conversion chip 12 to the initial state;
for example: when the fault information includes the image sensor 3, the main control module 1 may adjust the black-and-white image correction parameter of the corresponding image sensor 3 to the initial state.
Further, in the above embodiment, the banknote checking system provides the display 2, the main control module 1 establishes a communication connection with the display 2, and the step S7 specifically includes the following steps:
step S71: verifying the image data of the paper money in the step S4 according to the image authentication parameters and the marking parameters to obtain verification information;
step S72: the verification information is sent to the display 2, and the display 2 displays the verification information, returning to step S2.
Further, in the above embodiment, step S71 specifically includes the following steps:
judging whether the image data of the paper money passes the verification;
when the image data of the paper money passes the verification, verification information passing the verification is obtained;
when the image data of the paper money is not verified, verification information which is not verified is obtained.
Further, in the above embodiment, step S72 specifically includes the following steps:
the display 2 judges whether the check information is the check information passing the check;
when the verification information is the verification information passing the verification, the display 2 displays the verification information and returns to step S2;
when the verification information is the verification information that fails the verification, the display 2 displays the verification information and prompts the user that the banknote is a counterfeit banknote, and then returns to step S2.
Further, as a preferred embodiment, the verification information of each detected banknote can be stored in the memory chip 13, so that the required verification information of the banknote can be called from the memory chip 13 at any time.
Further, in the above embodiments, the verification information of the banknotes may be stored in other storage media, such as a magnetic disk, an optical disk, a U-disk, a network cloud disk, and the like.
Further, as a preferred embodiment, when the verification information is the verification information which is not verified, the display 2 may prompt the user that the banknote is a counterfeit banknote through an audio signal, a tactile signal or a visual signal.
The system also comprises a currency examination system, wherein any currency examination method is adopted.
Further, as a preferred embodiment, the banknote checking system includes a main control module 1, a display 2, an image sensor 3 and a light source 4, where the main control module 1 establishes communication connection with the display 2, the image sensor 3 and the light source 4 through a USB interface, a CAN bus interface or a serial port.
The main control module 1 is used for detecting faults of the image sensor 3, the light source 4 and the arranged analog-to-digital conversion chip 12; image data for processing a banknote; the paper money discriminator is used for discriminating paper money according to the image data of the paper money.
The display 2 is used for displaying the counterfeit identification result of the paper money, namely displaying the verification information of the paper money.
The image sensor 3 is used for collecting image data of paper money and sending the image data of the paper money to the main control module 1.
The light source 4 is used to provide light sources such as infrared light to the bill.
The main control module 1 comprises an analog-to-digital conversion chip 12, a processing chip 11 and a storage chip 13, wherein the analog-to-digital conversion chip 12 and the storage chip 13 are both connected with the processing chip 11.
The analog-to-digital conversion chip 12 is used for converting the image data of the paper money acquired by the image sensor 3 into digital information and transmitting the digital information to the processing chip 11;
the processing chip 11 receives the digital information, judges whether the main control module 1 detects the arrival sum of the paper money according to the digital information, and also judges whether the image data of the paper money passes the verification according to the digital information in combination with the image counterfeit identification parameter and the marking parameter;
the memory chip 13 is used for storing the above mentioned data, such as image authentication parameters, marking parameters, etc.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (9)
1. A currency detection method is applied to a currency detection system, and is characterized in that the currency detection system is provided with a main control module and a plurality of image sensors, the main control module is in communication connection with the image sensors, the currency detection system is provided with a light source, the main control module comprises an analog-to-digital conversion chip, and the light source is connected with the main control module;
the currency detection method comprises the following steps:
step S1: initializing the currency detecting system;
step S2: putting paper money into a money detecting system;
step S3: judging whether the main control module detects the arrival of the paper money;
when the main control module detects that the paper money arrives, executing step S4;
when the main control module does not detect the arrival of the paper money, judging whether the main control module detects a fault;
when the main control module detects a fault, the main control module analyzes the fault to obtain fault information, corrects the fault information, and returns to the step S2;
when the main control module does not detect the fault, returning to the step S2;
the fault information is corresponding hardware configuration parameters, and the hardware configuration parameters comprise light source parameters of the light source, configuration parameters of the analog-to-digital conversion chip and black-and-white image correction parameters of each image sensor;
step S4: the image sensor starts to collect the image data of the paper money;
step S5: the main control module judges whether the currency detecting system has a fault according to the image data;
when the currency detecting system has a fault, executing the step S6;
when the currency detecting system is not in fault, executing the step S7;
step S6: analyzing the fault to obtain the fault information, correcting the fault information, and then returning to the step S2;
step S7: the image of the bill is authenticated and then returns to step S2.
2. In a banknote verification method as claimed in claim 1, said step S1 includes the steps of:
step S11: initializing a hardware configuration parameter;
step S12: initializing an image counterfeit identification parameter and a numbering parameter of the currency detecting system.
3. A banknote verification method as claimed in claim 2, wherein said image authentication parameters include a UV data and an infrared reflectance data;
the marking parameter comprises a prefix number.
4. A banknote detecting method as claimed in claim 1, wherein said main control module includes a processing chip, and said step S3 specifically includes: and judging whether the main control module detects the arrival of the paper money or not through the processing chip.
5. In a banknote verification method as claimed in claim 1, wherein said image sensor in said step S4 is a contact image sensor.
6. A banknote identifying method as claimed in claim 2, wherein said banknote identifying system provides a display, said main control module establishes a communication connection with said display, and said step S7 specifically includes the following steps:
step S71: verifying the image data of the paper money in the step S4 according to the image authentication parameter and the marking parameter to obtain verification information;
step S72: and sending the verification information to the display, displaying the verification information by the display, and returning to the step S2.
7. A banknote verification method according to claim 6, wherein said step S71 specifically includes the steps of:
judging whether the image data of the paper money passes verification;
when the image data of the paper money passes the verification, the verification information passing the verification is obtained;
and when the image data of the paper money does not pass the verification, obtaining the verification information which does not pass the verification.
8. A banknote verification method according to claim 7, wherein said step S72 specifically includes the steps of:
the display judges whether the check information is the check information passing the check;
when the verification information is the verification information passing the verification, the display displays the verification information and returns to the step S2;
when the verification information is the verification information that has not passed the verification, the display displays the verification information and prompts the user that the banknote is a counterfeit banknote, and then the process returns to step S2.
9. A banknote verification system, characterized in that the banknote verification method according to any one of claims 1 to 8 is adopted.
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