CN108806060B - Reference paper money information localization system and paper money sorter - Google Patents
Reference paper money information localization system and paper money sorter Download PDFInfo
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- 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
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- 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
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- G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
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Abstract
The invention relates to a reference paper money information localization system and a paper money sorter, wherein the reference paper money information localization system comprises: a banknote sorter for acquiring the characteristic information of the banknotes put into the local circulation by the user if a mode for localizing the characteristic information of the banknotes is selected; and a server that collects banknote characteristic information acquired by the banknote sorting machine, extracts an inherent characteristic of a corresponding banknote from the collected banknote characteristic information, confirms a characteristic in which discrimination of another banknote is verified from among the inherent characteristics, and localizes the banknote characteristic information stored in advance using the characteristic in which discrimination is verified.
Description
Technical Field
The invention relates to the field of paper money processing, in particular to a reference paper money information localization system and a paper money sorter, which can interactively obtain effective reference paper money information of the remotely installed paper money sorter, thereby conveniently and rapidly executing localization operation of the paper money sorter.
Background
In a banknote handling machine, a banknote sorting machine not only simply counts the number of banknotes inserted, but also, even when a plurality of types of banknotes are mixed into a plurality of types of banknotes, can identify the country circle and denomination of the banknotes from the acquired images of the plurality of types of banknotes, determine whether the banknotes are counterfeit or altered, identify the serial number of the banknotes, perform functions such as new/old banknote classification, front/back/up/down banknote classification, and discriminate and extract worn banknotes, old banknotes, torn or contaminated or with adhesive tapes, from normal banknotes. The banknote sorting machine is installed and operated in places where a large number of securities, checks and cash are disposed, such as banks, exchange offices, post offices, retail stores, hotels, duty-free stores, convenience stores, cash carriers, and the like.
Such a banknote sorting machine is not limited to a city or a country, and is installed and operated in a wide variety of regions or countries all over the world, and when a new banknote denomination is additionally issued, when a new counterfeit banknote is found, and when a new banknote type is found, in order to maintain the optimum state of the banknote sorting machine (that is, in order to optimize the state of discriminating a locally circulating banknote with respect to the threshold values or setting values of various sensors mounted in the banknote sorting machine for banknote type discrimination, sorting discrimination, counterfeit/alteration discrimination, and counting work, etc.), various banknotes actually circulated and used in a local country or a corresponding region (for example, clean banknotes, old banknotes, slightly old banknotes, long-circulating banknotes, wrinkled banknotes, holed banknotes, partially torn banknotes, doodle banknotes, counterfeit banknotes, altered banknotes, and the like, Wet notes, thickened notes, contaminated notes, discolored notes, and the like) and perform the optimization operation.
Therefore, conventionally, in order to perform a local optimization operation of the banknote sorting machine, a banknote sorting machine manufacturing company has long stationed an operator (i.e., an engineer) to a local country, and the operator (i.e., the engineer) directly obtains the various types of banknote information (i.e., information for banknote discrimination) locally, updates the banknote sorting machine locally, or transmits update target banknote information or local currency banknotes themselves to the banknote sorting machine manufacturing company, and then transmits the update target banknote information or local currency banknotes to the local country after performing the optimization operation of the banknote sorting machine. As described above, the conventional banknote sorting machine has a problem that the optimization operation is very troublesome, and a large amount of labor, time, and cost are continuously required.
The background art of the present invention is disclosed in Korean granted patent No. 10-0812254 (No. 2008.03.04, Bank note discriminating device).
Disclosure of Invention
The invention aims to provide a reference paper money information localization system and a paper money sorter, which can easily obtain effective reference paper money information in an interactive mode with a local user remotely installed and operated by the paper money sorter, thereby being capable of conveniently, rapidly and economically executing localization operation of an interactive concept for localizing the paper money sorter.
The reference banknote information localization system of the present invention includes: a banknote sorter for acquiring the characteristic information of the banknotes put into the local circulation by the user if a mode for localizing the characteristic information of the banknotes is selected; and a server that collects banknote characteristic information acquired by the banknote sorting machine, extracts an inherent characteristic of a corresponding banknote from the collected banknote characteristic information, confirms a characteristic in which discrimination of another banknote is verified from among the inherent characteristics, and localizes the banknote characteristic information stored in advance using the characteristic in which discrimination is verified.
The paper currency sorter of the present invention comprises: a guidance interface section for outputting a message for guiding or instructing a bill insertion method to a user in order to acquire valid bill characteristic information of a bill circulating locally if a mode for localization of bill characteristic information is selected; a bill sensing unit for detecting the characteristic information of the bill inserted by the user by using one or more sensors; and a control unit for extracting valid banknote characteristic information from the detected banknote characteristic information, and storing the valid banknote characteristic information in a designated memory or transmitting the valid banknote characteristic information to a designated external device.
According to the present invention, the banknote sorting machine can easily acquire effective reference banknote information among various types of banknote information distributed locally in an interactive manner with a local user installed and operated remotely. Therefore, the paper currency distinguishing algorithm of the paper currency sorter can be enhanced according to whether the paper currency circulation area is rural area, fishing village, city, wet area or dry area and the state of the circulation paper currency with sensitive characteristics is reflected.
The server may maintain localized banknote characteristic information for banknote discrimination at all times through discrimination verification using reference banknote information of various types acquired in a region where the banknote sorting machine is installed and operated.
In addition, the localized operation of the corresponding banknote sorting machine is interactively performed in a network manner by using the localized banknote characteristic information stored in the server, so that the localized operation can be simply and rapidly performed with less manpower, time and expense.
Drawings
Fig. 1 is an exemplary diagram showing a schematic configuration of a reference banknote information localization system according to a first embodiment of the present invention.
Fig. 2 is an exemplary diagram showing a schematic configuration of a reference banknote information localization system according to a second embodiment of the present invention.
Fig. 3 is an exemplary view showing a schematic configuration of the banknote sorting machine of the first embodiment in the reference banknote information localization system according to one embodiment of the present invention.
Fig. 4 is an exemplary view showing a schematic configuration of a banknote sorting machine of the second embodiment in the reference banknote information localization system according to one embodiment of the present invention.
Fig. 5 is an exemplary view showing a schematic configuration of a banknote sorting machine of the third embodiment in the reference banknote information localization system according to one embodiment of the present invention.
Fig. 6 is a flowchart for explaining a control method of the bill sorting machine in the reference bill information localization system according to one embodiment of the present invention.
Fig. 7 is a flowchart of a control method of a server in the reference banknote information localization system according to one embodiment of the present invention.
Fig. 8a to 8c are exemplary diagrams of a screen Capture (Capture) showing an operation example screen actually driven by a guide interface (or guide program) output by the reference banknote information localization system according to an embodiment of the present invention.
Detailed Description
Embodiments of a banknote sorting machine and a reference banknote information localization system thereof and a control method thereof according to the present invention will be explained below with reference to the accompanying drawings.
In this process, the thickness of the lines and the size of the components shown in the drawings are exaggerated for clarity and convenience of the description. In addition, the terms described below are defined in consideration of functions in the present invention, and may be different depending on intentions and conventions of users and operators. Accordingly, the definition of such terms should be made based on the contents throughout the present specification. For example, it is to be noted that the term "paper money" is not limited to only bank notes, but is used in the meaning of paper sheets including checks, money orders, securities, certificates, merchandizes, coupons, tickets, and the like.
Referring to fig. 1 illustrating a schematic configuration of a reference banknote information localization system according to a first embodiment of the present invention, the reference banknote information localization system includes a banknote sorter 100 and a server 300.
The banknote sorting machine 100 performs the functions of the banknote sorting machine described in the background of the invention, and performs the function of acquiring (or collecting) reference banknote information that is both the object of a localized job (i.e., a job that localizes the discrimination standard of the banknote sorting machine in cooperation with the local circulation of banknotes so as to cover all the characteristics of the various types of actual banknotes that are circulating locally) and banknote information required for the localized job, i.e., reference banknote information required for banknote discrimination. In addition, the banknote sorting machine 100 provides a function (hereinafter referred to as a "director (or) interface function" in the present embodiment) that enables reference banknote information (i.e., information necessary for banknote discrimination) to be easily acquired (or collected) in an interactive manner, so that a general user who is not a professional operator (i.e., an a/S technician) can perform localized work. The guidance interface function is a function for guiding a job (or action) to be executed to acquire valid reference banknote information for a general user.
The banknote sorting machine 100 may access the server 300 by wired or wireless communication. To this end, the banknote sorter 100 includes a wired or wireless communication module (not shown in the drawings). However, when the banknote sorting machine 100 does not include a wired or wireless communication module (not shown), as shown in fig. 2, the banknote sorting machine may be connected to the server 300 by wired or wireless communication via the information processing device 200 (for example, a device having communication and data processing functions such as a smart terminal, a portable computer (a notebook computer, a Stick PC, etc.), a mobile phone, etc.), and the banknote sorting machine 100 may further include an I/O interface (not shown) for connection of the information processing device 200 (for example, a USB port, an HDMI port, a Serial port, a parallell port, an infrared module, an NFC module, a bluetooth module, etc.). In this case, the wireless communication method may include a short-range wireless communication method including WiFi or a long-range wireless communication method including mobile communication (e.g., 3G, 4G, LTE, 5G, etc.).
The bill sorting machine 100 is provided with each unique ID (or unique authentication information such as a MAC address or an equipment serial number that is distinguished from other bill sorting machines). In the ID, information that can distinguish an installation place or region or country may be contained.
The banknote sorter 100 acquires reference banknote information necessary for the localization operation, and transmits the reference banknote information to the server 300. At this time, the banknote sorting machine 100 directly transmits the reference banknote information to the server 300 through a built-in wired or wireless communication module (not shown), or transmits the reference banknote information to the server 300 through the information processing device 200, compresses the reference banknote information for transmission efficiency and transmits it, or encrypts and transmits it for security.
The server 300 collects reference banknote information transmitted from the banknote sorter 100 or the information processing apparatus 200. At this time, the collected reference banknote information may be collected by category differentiation. It is assumed that the reference banknote information can be distinguished and collected by region, country, installation place, period, sorter ID, banknote type, and denomination. The server 300 extracts banknote characteristic information (i.e., diverse sensor data obtained from a plurality of types of sensors built in the banknote sorting machine) unique to each currency of a corresponding region or country from the collected reference banknote information. The sensor data (characteristic information of the bill) is data sensed by various sensors mounted on the bill sorter 100 for detecting characteristic information of the bill, such as an optical sensor (a CMOS Image sensor, a CCD Image sensor, a cis (contact Image sensor), an infrared sensor, and an ultraviolet sensor), a magnetic sensor (MG), and a thickness sensor.
In this case, the method for extracting the characteristic information is not limited to the method for extracting the characteristic information in extracting the banknote characteristic information (i.e., the sensor data) specific to each denomination, and for example, a web characteristic extraction method, a four-direction component characteristic extraction method, a histogram characteristic extraction method, an eight-direction chain code characteristic extraction method, a slope characteristic extraction method using sobel operators, an svm (support Vector machine), a neural network algorithm, machine learning, or the like may be used in order to extract the characteristic information (i.e., the sensor data) specific to each denomination.
The server 300 checks (verifies) whether the extracted banknote characteristic information unique to each denomination has discriminative power for banknote characteristic information of other denominations of the corresponding region or country, and additionally checks (verifies) whether the banknote characteristic information of each denomination of the world also has discriminative power for banknote characteristic information of other regions or countries of the world.
The discrimination test (verification) will be described in more detail below.
Discrimination was verified as the first filtering performed in the banknote sorter. In the banknote sorting machine, first, from image information acquired for inserted banknotes, an skew angle of the inserted banknotes (that is, an angle at which the banknotes are not correctly input and are twisted) is measured, whether or not the skew angle is within a valid range is verified, and when the skew angle exceeds the valid range, the banknote sorting machine is guided to perform reinsertion. Second, whether the inserted banknotes are overlapped (double) is verified by a thickness sensor such as an acoustic wave sensor or a displacement sensor (when the sensing data exceeds a threshold value), and when the banknotes are overlapped, the banknotes are guided to be inserted again. Thirdly, whether or not the banknotes inserted are banknotes of the same denomination on the same side is confirmed by any one of the following methods, and if the banknotes are not banknotes of the same denomination on the same side, the banknote insertion is guided so as to be newly inserted. For example, as a method of confirming whether or not banknotes of the same denomination are on the same side, there are frequency similarity analysis (high-frequency band and low-frequency band), similarity analysis of similarity maps, image similarity analysis (comparison of visible light and IR data according to wavelength), and other characteristic similarity analysis (size, color, brightness, etc.).
Then, after the filtering by the bill sorter 100, the server 300 verifies the discrimination for the second time. In the server 300, the validity of the acquisition data (banknote characteristic information) transmitted from the banknote sorting machine 100 is first re-verified (for example, a thousand denomination, a denomination/B, and the like). Next, using algorithms such as pca (principal Component analysis), SVM, NNP (Nearest Neighbor Point), etc., the currencies of the respective countries are identified. For example, in the PCA method, i) a threshold value for the classification (identification) of the country circle is appropriately adjusted, and a reference for the inter-currency misrecognition rate or the intra-currency identification rate is set, ii) the entire image area of the currency, whose validity is verified, is divided into predetermined areas, and the areas are sequentially calculated to separate the differential elements, and iii) the separated differential elements are updated. For example, in the NNP method, the "ii)" method is resized (Resize), patterned, and matched with each country circle pattern data, the denomination of the corresponding country is identified, and the denomination of the country thus completed is matched with the originally stored country circle DB, and re-verification is performed (final determination is performed by using the dimensionality and similarity measurement method of the SVM).
As a processing method for improving the accuracy of the method, calculation may be performed by a parallel processing method using a plurality of processors or a distributed processing method using a cloud (clustering) method, and in the case of a non-distributed processing (for example, a single processor) method, only a region including a distinctive element may be specified based on the original data in consideration of the calculation efficiency (in order to greatly reduce the number of calculations), and the distinctive element may be separated in the specified region.
The discrimination test (verification) of the banknote characteristic information unique to each denomination may be repeated at least several times. The bill characteristic information for which the discrimination test (verification) is completed is determined as the bill characteristic information inherent to the corresponding denomination.
The server 300 reflects the characteristic information (i.e., sensor data) inherent to the specified corresponding currency, and localizes the program and data for banknote discrimination in the banknote sorter of the corresponding region or country. Furthermore, the server 300 localizes the localized banknote discriminating program (i.e., the program for banknote discrimination) and data in various ways. For example, when the banknote sorting machine is in a connected state, the information processing device is connected to the server to automatically or manually perform localization, and when the banknote sorting machine is not in the connected state, the information processing device that can be connected to the network is connected to the server to receive the banknote discriminating program and data for performing localization, and is connected to the I/O port provided in the banknote sorting machine to perform localization. That is, the bill is transmitted to the bill sorting machine of the corresponding region or country, and the corresponding bill sorting machine is localized. After the localization operation is completed, other paper currency sorting machines installed in corresponding regions or countries can be quickly localized correspondingly, and the operation can be carried out in an optimized state.
In this case, the banknote sorting machine 100 may check whether networking is possible or not by itself, and when the networking with an external device is disabled, the banknote characteristics information may be stored in an internal or external memory such as an SD card or a USB card for each denomination and face, or when networking with a PC or a mobile device is enabled, the banknote characteristics information may be stored in the PC or the mobile device for each denomination and face by a dedicated program installed in advance in the PC or the mobile device, and the stored information may be transmitted to the server 300 in a subsequent networking environment, or may be transmitted to the server via a general mobile communication network (for example, WiFi, 3G, 4G, 5G, LTE, or the like), or when an external network is enabled, the banknote sorting machine 100 may acquire the information and then directly transmit the information to the server 300. In the case of performing a localization operation by a small-sized computer device (e.g., a rack PC) in an environment where networking is impossible, the small-sized computer device can be quickly localized for the first time or partially by matching with a banknote discriminating program and data originally stored in the banknote sorting machine 100 based on the acquired banknote characteristic information in a state where the small-sized computer device is connected to the banknote sorting machine 100, and then transferred to the server 300 in a networked environment of the small-sized computer device, and the server 300 can perform the matching process with all national currencies in the server, thereby performing the localization process on the server. Thus, the localized operation of the banknote sorting machine 100 is completed by the localized banknote classification program and the localized banknote data.
Fig. 2 is an exemplary diagram showing a schematic configuration of a reference banknote information localization system according to a second embodiment of the present invention. Referring to fig. 2, the reference banknote information localization system includes a banknote sorter 100, an information processing apparatus 200, and a server 300. That is, when compared to the example of fig. 1, the embodiment of fig. 2 further includes an information processing apparatus 200.
The information processing apparatus 200 (e.g., a smart terminal, a portable computer (a notebook computer, a stick pc, etc.), a mobile terminal, a personal portable terminal, etc.) can access the server 300 by wired or wireless communication through a communication module (not shown) built in the apparatus itself. The information processing device 200 can be connected to an I/O interface (not shown) of the banknote sorting machine 100 through a built-in I/O interface (not shown) (for example, a USB port, an HDMI port, a Serial port, a parallell port, an infrared module, an NFC module, a bluetooth module, etc.) in a wired or wireless communication manner. The information processing device 200 can transmit the reference banknote information acquired by the banknote sorter 100 to the server 300 via the communication module. The information processing device 200 may also localize the banknote classification program (i.e., the program for banknote classification) and the data directly by using the data processing function, reflecting the local characteristic information (i.e., the sensor data) specific to each denomination instead of the function of the server 300, and localize the local banknote sorter by using the localized banknote classification program and the localized data. Of course, the banknote discriminating program and data localized by the information processing device 200 may be transmitted to the server 300, and localized by comparing with the unique characteristic information of the denomination stored in the server, or localized by a banknote sorting machine in another region or country.
However, in order to perform the localized operation of the banknote sorter 100 as described above, as much valid reference banknote information as possible should be acquired. For this reason, it is preferable that a professional operator (i.e., an a/S operator) goes directly to the site, but as already pointed out in the background art, the manner by the professional operator is cumbersome and uneconomical. Therefore, in the present embodiment, it is made possible to acquire as much as possible of the valid reference banknote information interactively even by the ordinary user, and for this reason, the banknote sorting machine 100 may additionally include a configuration (for example, a guidance interface section 120) that provides a function (hereinafter, referred to as a guidance interface function in the present embodiment) of making it possible to easily acquire (or collect) the reference banknote information interactively even by the ordinary user, as shown in fig. 3 to 5.
Fig. 3 is an exemplary view showing a schematic configuration of the banknote sorting machine of the first embodiment in the reference banknote information localization system according to one embodiment of the present invention. Referring to fig. 3, the banknote sorting machine 100 includes a control unit 110, a guide interface unit 120, a banknote insertion unit 130, a banknote sensing unit 140, an operation unit 150, and a message output unit 160.
The control section 110 executes the banknote discriminating function in the first mode (i.e., the banknote discriminating mode) as in the normal banknote sorting machine. Further, in the present embodiment, the control section 110 executes a function for acquiring reference banknote information (i.e., information necessary for banknote discrimination) in the second mode (i.e., the reference banknote information acquisition mode). In this case, the second mode may use a different name, and may also be referred to as a reference banknote information localization mode, for example.
The function for acquiring the reference banknote information includes: a function of detecting characteristic information (i.e., sensor data) of each currency bill; a function of guiding (or instructing) a job (or action) to be executed by a user in order to acquire valid reference banknote information; a function of verifying whether the reference banknote information is properly acquired according to the guidance, and guiding to acquire again when an error occurs; a function of filtering the characteristic information of each currency bill detected (for example, a function of filtering effective characteristic information by frequency analysis, similarity graph, and image analysis); a function of storing or transmitting the characteristic information of each currency bill to a designated device (for example, a server, an internal memory, an information processing device, etc.); and a function of communicating with a designated device (for example, a server, an internal memory, an information processing device, etc.) for transmitting the characteristic information of each denomination of paper money.
The guidance interface section 120 outputs a message for guiding (or instructing) a job (or action) to be executed by the user in order to acquire valid reference banknote information, via the message output section 160. The type of the message output by the message output unit 160 may be in the form of characters, video, voice, or a combination thereof.
In the present embodiment, the case where the guide interface section 120 is built in the banknote sorting machine 100 is described, but a guide (or instruction) message may be output or control may be performed so that the banknote sorting machine 100 itself operates in the second mode (banknote information acquisition mode) by a separate device (for example, a guide program installed in a PC, an internet page, an Application (APP) of an intelligent terminal, or the like).
The guidance (or instruction) message output through the guidance interface section 120 is output under the control of the control section 110 by default in accordance with a preset program, but when real-time communication with the information processing apparatus 200 or the server 300 is possible, a message or the like corresponding to various situations (or errors) occurring during acquisition of the reference banknote information may be output under the control of the information processing apparatus 200 or the server 300.
The banknote deposit unit 130 receives input of banknotes for acquiring reference banknote information. After the operation for acquiring the reference banknote information is started, the banknotes are input into the banknote input unit 130 individually or a large number of banknotes are transferred into the banknote sorting machine 100 one by one at a high speed (100 to 2000 banknotes per minute).
The bill sensing unit 140 is configured by one or more sensors (e.g., an ultrasonic sensor, an ultraviolet sensor, a magnetic sensor, a contact image sensor, etc.), and is disposed on an internal transfer path of the bill sorter 100 to detect characteristic information of bills transferred one by one. Wherein the contact type image sensor includes a multi-wavelength light emitting source having a single or dual structure.
The operation unit 150 receives an operation command or instruction input from a user for menu selection or mode selection (for example, a banknote discriminating mode, a reference banknote information acquisition mode, or the like) of the banknote sorting machine via an input device. For example, the input means includes physical keys (e.g., buttons, switches, etc.) and software keys (e.g., touch, motion, etc.).
The message output unit 160 outputs a message to be output to guide the user in the form of characters, images, or moving images in the guidance interface unit 120. For example, the output message includes the denomination of money to be inserted, the insertion direction (e.g., horizontal and vertical), the insertion surface (e.g., front and back), the insertion position (e.g., middle, left end or right end, and close contact), the number of times of repeated insertion (e.g., 5 times), and the like. The message output unit 160 may be linked to the image output to output a message for guiding (or instructing) a job (or action) to be executed by the user in a form of voice or sound of a corresponding country language.
However, in order to acquire the reference banknote information, it is also possible to continuously insert banknotes of several tens to several hundreds at least once, and even if the guidance interface section 120 (or the guidance program) outputs the guidance message in detail, the general user may not insert the banknotes correctly or cannot insert the banknotes according to the guidance (or the instruction). Therefore, it is necessary to confirm whether or not the ordinary user has correctly inserted the banknotes in accordance with the guidance (or instruction).
Therefore, in the present embodiment, in order to make it possible to confirm, for each execution step, whether or not the general user has correctly inserted the banknotes in accordance with the guidance (or instruction) output by the guidance interface section 120 (or guidance program), the banknote sorting machine 100 may further include, as shown in fig. 4, a banknote imaging section 170, the banknote imaging section 170 making it possible to confirm the denomination, the insertion direction (for example, horizontal and vertical), the insertion surface (for example, front and back), the insertion position (for example, middle, left end or right end, and close), the number of times of insertion (for example, 5 times), and the like of the inserted banknotes.
Fig. 4 is an exemplary view showing a schematic configuration of a banknote sorting machine according to a second embodiment in the reference banknote information localization system according to one embodiment of the present invention, and the embodiment shown in fig. 4 further includes a banknote imaging section 170, compared to the embodiment shown in fig. 3.
The bill photographing section 170 includes a photographing device such as a line scanner (not shown) or an image sensor (not shown) as a device capable of photographing the entire section of the bill insertion section 130, that is, from the left end to the right end of the inlet into which the bills are inserted. The bill photographing section 170 photographs the bills to be inserted as color or monochrome images. When the bill photographing section 170 is driven, the control section 110 may control the bill input speed or the bill transfer speed, and when the mode is switched to the mode for localizing the bill characteristic information, the bill transfer speed is operated at a low speed, and the sensing time of various sensors is increased, thereby enabling precise sensing, and thus, the effective information determination rate of the bills can be further improved. More specifically, when the mode is switched, the banknote is processed by changing the banknote processing speed of the banknote sorter 100 to a low speed (for example, the processing speed is 1200NPM (note Per minute) in the normal mode, and the transport speed is reduced to 1/10, that is, 120NPM (2 sheets Per second) in the mode for localizing the banknote characteristic information), so that the various sensors of the banknote sensing unit 140 can acquire accurate sensing data (that is, high-resolution data) 10 times higher, and the validity determination (processing) time of the reference banknote information is secured 10 times, and thus the reliability of the acquired valid reference banknote information is improved.
The control unit 110 may selectively drive the banknote imaging unit 170 only in the second mode (i.e., the reference banknote information acquisition mode). The control unit 110 may convert (Converting) the bill characteristic information detected by the bill sensing unit 140 with reference to the image captured by the bill capturing unit 170. For example, the detected banknote property information may be converted from left to right, back to front, up and down, or automatically converted to property information of other banknotes that can complement the detected reference banknote information. However, when banknotes (for example, torn banknotes, partially folded banknotes, banknotes of different denominations, etc.) whose banknote characteristics cannot be corrected by the simple conversion as described above are inserted, the control unit 110 may output a guidance (or instruction) message to remove or change the corresponding banknotes (banknotes whose valid banknote characteristics cannot be detected) through the guidance interface unit 120. The control unit 110 may discharge the corresponding banknote (banknote for which the valid banknote characteristic cannot be detected) by a discharge unit (not shown) of the banknote sorting machine 100.
Fig. 5 is an exemplary view showing a schematic configuration of a banknote sorting machine of a third embodiment in the reference banknote information localization system according to one embodiment of the present invention, and the embodiment shown in fig. 5 further includes a storage section 180 in comparison with the embodiment shown in fig. 4.
The storage unit 180 stores the banknote characteristic information (i.e., sensor data) detected by the banknote sensing unit 140 to obtain the reference banknote information and the banknote image captured by the banknote imaging unit 170 in association with each other. In this case, the storage unit 180 may compress or encrypt the data to be stored and store the data. The storage unit 180 includes an internal memory and an external memory. The external memory may include a dedicated memory such as an SD memory or a USB memory, or a memory of an external device (for example, a smart terminal, a portable computer (a notebook computer, a stick PC, etc.), a mobile terminal, a personal portable terminal, etc.) that is connected to an I/O port of the banknote sorting machine 100 and directly functions as an interface. As for the information (i.e., the banknote characteristic information and the banknote image) stored in the storage unit 180, if the banknote sorting machine is networked, it is transmitted to the information processing device 200 or the server 300 as necessary according to a method of confirming the transmission history or the like.
The control unit 110 may store the information (i.e., the banknote characteristic information and the banknote image) in the storage unit 180, or may encrypt the information using unique information such as a serial number, a manufacturing number, and a MAC address of the banknote sorting machine, may encrypt the information using an arbitrary encryption algorithm, or may compress the information into an encrypted state before transmitting the information to the information processing device 200 or the server 300.
Fig. 6 is a flowchart for explaining a control method of the bill sorting machine in the reference bill information localization system according to one embodiment of the present invention.
As shown in fig. 6, the banknote sorting machine 100 (which is substantially a control unit of the banknote sorting machine) detects whether or not a mode for acquiring reference banknote information (i.e., a reference banknote information acquisition mode) is selected (S101).
As described above, if the reference banknote information acquisition mode is selected, the banknote sorter 100 outputs a guidance (instruction) message through the guidance interface (S102). The guidance interface (or guidance program) outputs a guidance (or instruction) message in the form of a combined text, image, voice, video, or the like, so that even an ordinary user can easily acquire (or collect) the reference banknote information. In the present embodiment, the tutorial interface (or tutorial program) may also be referred to as a user interface (or UI program).
The bill sorting machine 100 detects whether or not bills are inserted into the bill insertion section 130 based on the output of the guidance (or instruction) message (S103). Usually, the banknotes are inserted continuously, but may be inserted individually.
The banknote sorter 100 acquires reference banknote information (S104). The reference banknote information may include, as banknote characteristic information, sensing information detected by the banknote sensing unit 140 and information (for example, a banknote image) for confirming whether or not the user has correctly inserted the banknote in accordance with a guidance (or instruction) message output through a guidance interface (or guidance program).
The bill sorter 100 filters the acquired bill characteristic information (S105). That is, the banknote sorting machine 100 performs filtering as the first discrimination verification (which has already been described above and thus detailed description is omitted), and extracts only valid banknote characteristic information. For example, when banknotes that do not correspond to a guidance (or instruction) message output through a guidance interface (or a guidance program) are inserted, or banknotes for which the banknote characteristic information cannot be used (for example, torn banknotes, partially folded banknotes, banknotes of different denominations, etc.) are inserted, the banknote characteristic information detected from such banknotes is excluded, and only valid banknote characteristic information is extracted. In this case, the filtering of the bill characteristic information (first discrimination verification) checks the degree of skew to confirm whether or not the bill is overlapped as described in the above example, and confirms whether or not the bill is of the same face or the same denomination by any of the frequency similarity analysis, the similarity map analysis, the image similarity analysis method, and the other characteristic similarity analyses.
The banknote sorting machine 100 encrypts the filtered valid banknote characteristic information using unique information such as a serial number, a manufacturing number, and a MAC address of the banknote sorting machine, or encrypts the information using an arbitrary encryption algorithm (S106).
The banknote sorting machine 100 stores the encrypted valid banknote characteristic information in the storage unit 180 or transmits the encrypted valid banknote characteristic information to an external device (e.g., an external memory, the information processing device 200, the server 300, etc.) (S107).
Fig. 7 is a flowchart for explaining a control method of a server in the reference banknote information localization system according to one embodiment of the present invention.
Referring to fig. 7, the server 300 collects reference banknote information transmitted from the banknote sorter 100 (S201). In this case, the number of the banknote sorter 100 may be at least 1 depending on the region or country where the banknote sorter is installed. Accordingly, the server 300 can discriminate and collect the collected reference bill information by category (e.g., by region, by country, by currency, etc.). As described above, the reference banknote information may include, as the banknote property information, sensing information detected by the banknote sensing unit 140 and information (for example, a banknote image) for confirming whether or not the user has correctly inserted the banknote in accordance with a guidance (or instruction) message output through the guidance interface (or guidance program).
The server 300 extracts banknote characteristic information unique to each currency of a corresponding region or country from the collected reference banknote information (S202). In this case, in order to extract the banknote characteristic information unique to each denomination, for example, a web characteristic extraction method, a four-directional component characteristic extraction method, a histogram characteristic extraction method, an eight-directional chain code characteristic extraction method, a gradient characteristic extraction method using sobel operators, an svm (support Vector machine), a neural network algorithm, a machine learning program, or the like may be used.
The server 300 checks (verifies) whether the extracted banknote characteristic information unique to each denomination has discriminative power for banknote characteristic information of other denominations of the corresponding region or country, and additionally checks (verifies) whether the extracted banknote characteristic information unique to each denomination of money of other regions or countries of the world has discriminative power (S203). Here, the discrimination verification in the server is described in detail in the above embodiment, and thus in the present embodiment, the description is omitted for convenience. The discrimination test (verification) of the banknote characteristic information unique to each denomination may be repeatedly performed at least 1 time or more.
The server 300 determines the banknote characteristic information on which the discrimination verification (authentication) is completed as the banknote characteristic information inherent to the corresponding currency (S204).
At this time, the server 300 reflects the unique bill characteristic information of the identified corresponding denomination, localizes the discriminating program and data of the bill sorting machine of the corresponding region or country, and transmits the localized bill discriminating program and data to the bill sorting machine of the corresponding region or country for localization, thereby performing the localization operation of the corresponding bill sorting machine 100 (S205). At this time, in order to localize the banknote sorting machine 100, first, information of the server 300 itself is localized, and then, a localization job of the banknote sorting machine 100 is executed.
Now, a screen shot of a driving example of the guidance interface section (or the guidance program) will be described in more detail. Fig. 8a to 8c are exemplary diagrams of screen Capture (Capture) and display of a guide interface (or guide program) screen output by the reference banknote information localization system according to one embodiment of the present invention.
The guidance interface (or guidance program) is intended by default for a general user who is not a professional operator (i.e., a/S operator) so as to have a function of easily acquiring (or collecting) the reference banknote information, but it is not necessary to limit the object to the general user. Therefore, the guidance interface (or the guidance program) includes an expert mode and a normal person mode, and in the expert mode, as shown in fig. 8a to 8c, the operation unit 150 including various option keys and selection keys for acquiring the reference banknote information is displayed, and in the normal person mode, only simple keys for confirming the user's recognition, such as a confirmation key and a cancel key, are displayed among the keys included in the operation unit 150. However, the guide (or instruction) message displayed in the message output part 160 is displayed in a different manner according to whether the guide interface (or guide program) is the expert mode or the general human mode.
The message output unit 160 is configured to divide the display area, and display information such as guidance (or instruction) messages and results in different divided areas, or display them in a pop-up manner. In addition, if the user inputs a command to take measures in accordance with the instruction of the guidance, the message displayed originally disappears automatically, and as a result, the guidance configuration is embodied in such a manner that the user clicks or touches the confirmation button. If a guidance (or instruction) message related to a bill insertion method and/or acquisition image (front/back) information of inserted bills are displayed in the first divided region 161, bill characteristic information for analyzing the inserted bills is displayed in the second and third divided regions 162 and 164, and there is an event occurring in a localized job, an analysis result, and a job to be performed requiring confirmation by a user, the guidance (or instruction) message or information is displayed by using another pop-up message 163.
For reference, fig. 8a is a screen shot example of a state in which the server 300 and the bill sorting machine 100 are networked for localization of reference bill information, fig. 8b is a screen shot example of a screen shot in which the server 300 and the bill sorting machine 100 are successfully connected to the network, and thus the result is displayed through the pop-up message 163, and fig. 8c is a screen shot example of a screen shot in which the retrieval (collection) of reference bill information is successfully completed, and thus the result is displayed through the pop-up message 163. After acquiring (collecting) the characteristic information of the banknotes inserted by the user in accordance with the guidance message or the instruction, the unique banknote characteristic information (i.e., sensor data obtained from various sensors) is displayed in the second and third divided regions 162 and 164. At this time, the banknote characteristic information is displayed numerically in the second divided area 162, and displayed in a graph form in the third divided area 164, so that the user can visually confirm the banknote characteristic information. On the other hand, the first division area 161 displays a banknote insertion method related guidance (instruction) message in an image or video before insertion of banknotes, but displays an acquisition image (front/back) of inserted banknotes after acquisition of banknote characteristic information, and in particular displays information on the cause of the acquisition of banknote characteristic information when the acquisition is unsuccessful. If abnormal paper money is put in, or the paper money is not put in smoothly, or the paper money sorter makes mistakes, or the paper money is not put in according to the indication method, the user is made to recognize the situation, so that the paper money characteristic information can be successfully obtained when the paper money is put in later.
As shown in fig. 1 or 2, when the banknote sorting machine 100 is directly or indirectly connected to the server 300 via a network, the localized banknote discriminating program and data transmission are received from the server 300 and localized, and the localized operation of the banknote sorting machine 100 can be executed. Additionally, the server 300 connected to the bill sorting machine 100 through the network may transmit a Push message to the bill sorting machine 100 when there is a localization event, inform that there is localization, and localize the bill discriminating program and data according to preset setting information, automatically or by receiving a user's confirmation (OK). When the banknote sorting machine 100 cannot be connected to the server 300, the banknote classification program and data may be stored in a separate dedicated memory (e.g., SD memory, USB memory, etc.) or in a memory of an external device (e.g., smart terminal, portable computer (e.g., notebook computer, stick PC, etc.), mobile terminal, personal portable terminal, etc.) and localized.
As described above, the present embodiment makes it possible to interactively acquire valid reference banknote information for a remotely installed banknote sorting machine, thereby enabling the localization work of the banknote sorting machine to be performed easily and quickly with less labor, time, and cost.
While the present invention has been described with reference to the embodiments shown in the drawings, the embodiments are merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent other embodiments can be made. Therefore, the technical scope of the present invention should be determined according to the patent claims.
Claims (15)
1. A reference banknote information localization system comprising:
a banknote sorting machine which acquires the characteristic information of the banknotes put into the machine by the user and circulating locally if a mode for localizing the characteristic information of the banknotes is selected; and
and a server that collects banknote characteristic information acquired by the banknote sorting machine, extracts an inherent characteristic of a corresponding banknote in the collected banknote characteristic information, confirms a characteristic of which discrimination is verified for banknotes of different denominations in a corresponding region or country and banknotes of different denominations in another region or country in the world, and localizes the banknote characteristic information stored in advance using the characteristic of which discrimination is verified.
2. The reference banknote information localization system of claim 1,
the server localizes the bill sorter or the information processing device using a bill discriminating program and data reflecting the characteristic that the discrimination is verified.
3. The reference banknote information localization system of claim 1,
the server extracts intrinsic characteristic information of each currency of a corresponding region or country from the separated and collected banknote characteristic information by extracting any one of a net characteristic extraction method, a four-direction component characteristic extraction method, a histogram characteristic extraction method, an eight-direction chain code characteristic extraction method, a gradient characteristic extraction method using a sobel operator, an SVM, a neural network algorithm, or machine learning.
4. The reference banknote information localization system of claim 1,
the server verifies whether the extracted characteristic information inherent to each currency has discriminative power for characteristic information of other currencies of the corresponding region or country, and additionally verifies whether the characteristic information inherent to each currency of other regions or countries of the world has discriminative power.
5. The reference banknote information localization system of claim 1,
the bill sorting machine performs at least one of a function of detecting characteristic information of each currency bill with respect to bills circulating locally, a function of guiding or instructing a job to be executed by a user through an instruction interface section, a function of extracting effective characteristic information among the characteristic information of each currency bill, a function of storing or transmitting the effective characteristic information to a specified device, and a function of networking with the specified device in order to transmit the effective characteristic information.
6. The reference banknote information localization system of claim 5, wherein,
the guidance interface section outputs a message for guiding or instructing a user to perform a job or action in a form of a combination of at least one of text, image, voice, and video to the message output section of the banknote sorting machine in order to acquire valid banknote characteristic information, and divides the display area to display the message in each divided area or to display the message in a pop-up manner, wherein the message includes at least one of the denomination, the throw-in direction, the throw-in face, the throw-in position, and the throw-in frequency of the banknote to be thrown in.
7. The reference banknote information localization system of claim 1,
the bill sorting machine measures the skew angle of the inserted bills, verifies whether the bills are within a valid range, and when the bills are outside the valid range, guides the bills to be inserted again, or verifies whether the inserted bills are in an overlapped state, and when the bills are in the overlapped state, guides the bills to be inserted again, or confirms whether the inserted bills are bills of the same denomination on the same side by using any one of frequency similarity analysis, similarity analysis of a similarity graph, image similarity analysis, and similarity analysis of size, color, or brightness characteristic, and when the bills are not of the same denomination on the same side, guides the bills to be inserted again.
8. The reference banknote information localization system of claim 1,
when a banknote for which valid banknote characteristic information cannot be obtained is inserted, the banknote sorter outputs a guidance or instruction message for removing or replacing the corresponding banknote through the guidance interface section, and discharges the corresponding banknote through the discharge section.
9. The reference banknote information localization system of claim 1,
and after the server rechecks the validity of the collected paper currency characteristic information, identifying the paper currency type of the corresponding region or country by using a predetermined currency identification algorithm, matching the identified currency type with the originally stored currency type DB and rechecking.
10. A banknote sorter for use with the reference banknote information localisation system of any one of claims 1 to 9, comprising:
a guidance interface section for outputting a message to a user to guide or instruct a job or action to be executed by the user in order to obtain valid banknote characteristic information of a banknote that is locally circulated, if a mode for localizing banknote characteristic information is selected;
a bill sensing unit for detecting the characteristic information of the bill inserted by the user by using one or more sensors; and
a control part for extracting effective paper money characteristic information in the detected paper money characteristic information, storing the effective paper money characteristic information in a designated memory or transmitting the effective paper money characteristic information to a designated external device,
wherein, when a banknote for which valid banknote characteristic information cannot be obtained is inserted, the control unit outputs a guidance or instruction message for removing or replacing the corresponding banknote through the guidance interface unit, and discharges the corresponding banknote through the discharge unit.
11. The banknote sorter according to claim 10 further comprising:
a message output unit that outputs a message, which is guided or instructed by the guidance interface unit, in a form of at least one of a combined text, an image, a voice, and a video, divides a display area, and displays the message in each of the divided areas or in a pop-up manner;
the guidance interface section outputs a message for guiding or indicating at least one of the denomination, the depositing direction, the depositing face, the depositing position, and the depositing number of banknotes to be deposited by the user.
12. The banknote sorter according to claim 10,
the method includes measuring an skew angle of banknotes inserted, verifying whether the banknotes are within a valid range, and when the skew angle exceeds the valid range, guiding the banknotes to be inserted again, or verifying whether the banknotes inserted are in an overlapped state, and when the banknotes inserted are in an overlapped state, guiding the banknotes to be inserted again, or confirming whether the banknotes inserted are banknotes of the same denomination on the same side by using any one of frequency similarity analysis, similarity analysis of a similarity map, image similarity analysis, and similarity analysis of size, color, or brightness characteristics, and when the banknotes are not of the same denomination on the same side, guiding the banknotes to be inserted again.
13. The banknote sorter according to claim 10,
the control section performs at least one of a function of detecting characteristic information of each currency bill with respect to bills circulating locally, a function of guiding or instructing a job to be executed by a user through a guidance interface section, a function of extracting effective characteristic information among the characteristic information of each currency bill, a function of storing or transmitting the effective characteristic information to a specified device, and a function of communicating with a specified external device in order to transmit the effective characteristic information.
14. The banknote sorter according to claim 10,
the guidance interface section enables output of guidance or instruction messages or output of messages corresponding to error situations occurring in the process of acquiring the banknote characteristic information, through a program built in an external device.
15. The banknote sorter according to claim 10 further comprising:
and a banknote imaging unit for confirming at least one of the denomination, the insertion direction, the insertion surface, the insertion position, and the number of times of insertion of the inserted banknotes.
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