WO2021193380A1 - Coin counting system, coin counting program, and coin accommodating device - Google Patents

Coin counting system, coin counting program, and coin accommodating device Download PDF

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Publication number
WO2021193380A1
WO2021193380A1 PCT/JP2021/011219 JP2021011219W WO2021193380A1 WO 2021193380 A1 WO2021193380 A1 WO 2021193380A1 JP 2021011219 W JP2021011219 W JP 2021011219W WO 2021193380 A1 WO2021193380 A1 WO 2021193380A1
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WO
WIPO (PCT)
Prior art keywords
coin
counting
coin storage
image
coins
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PCT/JP2021/011219
Other languages
French (fr)
Japanese (ja)
Inventor
近藤　真史
藤野　啓次郎
史伯 本合
宣原　彰浩
Original Assignee
株式会社日本コンラックス
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 株式会社日本コンラックス filed Critical 株式会社日本コンラックス
Priority to CN202180024832.5A priority Critical patent/CN115398498A/en
Priority to JP2022510055A priority patent/JPWO2021193380A1/ja
Publication of WO2021193380A1 publication Critical patent/WO2021193380A1/en

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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
    • G07D11/00—Devices accepting coins; Devices accepting, dispensing, sorting or counting valuable papers
    • G07D11/10—Mechanical details
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D9/00—Counting coins; Handling of coins not provided for in the other groups of this subclass

Definitions

  • the present invention relates to a coin counting system and a coin counting program that count the number of coins stored in a coin storage cassette of a coin payout device, and a coin storage device that is a target of this coin counting system.
  • the coin payout device is a device for paying out coins, and is often used by being connected to or mounted on a POS cash register, a vending machine, a money changer, a payment machine, a ticket vending machine, a service device, or the like.
  • Patent Document 1 discloses an example of such a coin payout device.
  • the coin storage portion of the coin payout device is configured as a coin storage cassette that can be removed from the main body of the coin payout device for convenience of replenishment and collection of coins.
  • This coin storage cassette has a plurality of coin tubes for stacking and storing coins for each denomination.
  • the operation of such a coin payout device is usually performed by the following procedure.
  • coins are manually set in the coin storage cassette, and the number of coins set is recorded in a management system such as a POS cash register to which a coin payout device is connected.
  • the management system receives the withdrawal of coins from the coin storage cassette and updates the information on the number of coins recorded in the management system at any time.
  • the number of coins stored in the coin storage cassette is manually counted, and the manually counted number of coins matches the information on the number of coins recorded in the management system. Confirm that, and finish the tightening process.
  • Patent Document 2 discloses that the number of laminated plates of plate-shaped members such as cards and coins is counted by using a one-dimensional image sensor.
  • the coin counting system of the present invention is a coin counting system that counts the number of coins stored in the coin storage unit for loading and storing coins, and the coin storage unit is viewed from the front. It has a camera that acquires a coin storage unit image that is a captured image, and a counting processing unit that counts the number of coins stored in the coin storage unit based on the coin storage unit image.
  • the counting processing unit counts the number of coins from the number of striped stripes of the coin stack in the coin storage unit.
  • the coin storage unit may be a coin storage cassette having a coin tube
  • the coin storage unit image may be a cassette image obtained by taking an image of the coin storage cassette from the front.
  • the counting processing unit sets a reference line extending in the stacking direction of the coin stack, calculates a differential value of the brightness of the coin storage unit image along the reference line, and is based on the differential value of the brightness. It may count the number of coins. Further, the coin counting system may further include a counting result storage unit that stores the coin storage unit image.
  • the coin counting program of the present invention is a coin counting program that counts the number of coins stored in the coin storage unit for loading and storing coins, and is an image of the coin storage unit taken from the front.
  • the information processing apparatus is made to execute a coin storage unit image acquisition step for acquiring a part image and a counting processing step for counting the number of coins stored in the coin storage unit based on the coin storage unit image.
  • the counting processing step counts the number of coins from the number of striped stripes of the coin stack in the coin storage unit.
  • the coin storage unit may be a coin storage cassette having a coin tube
  • the coin storage unit image may be a cassette image obtained by taking an image of the coin storage cassette from the front.
  • a reference line extending in the stacking direction of the coin stack is set, a differential value of the brightness of the coin storage portion image is calculated along the reference line, and the differential value of the brightness is used. It may count the number of coins.
  • the coin counting program may further cause an information processing device to execute a counting result storage step of storing the coin storage unit image in the counting result storage unit.
  • the coin storage device of the present invention includes a coin storage device main body, a coin storage cassette, an openable cover, and a camera, and the coin storage cassette is detachably attached to the front side of the coin storage device main body.
  • the openable cover is provided on the front side of the coin storage device main body, and takes a closed state covering the coin storage cassette and an open state retracted from the coin storage cassette.
  • the camera is arranged on the openable cover so that the coin storage cassette can be photographed and an image of the coin storage cassette can be acquired when the openable cover is open.
  • the camera may be arranged so as to be located below the extended surface of the floor surface of the coin storage cassette when the openable cover is open.
  • the present embodiment an embodiment of the present invention (hereinafter, referred to as “the present embodiment”) will be described with reference to the drawings.
  • FIG. 1 is a block diagram showing the configuration of the coin counting system 10 of the present embodiment.
  • the coin counting system 10 of the present embodiment counts the number of coins C stacked in the coin storage cassette 30 having a plurality of coin tubes 33 arranged in parallel.
  • the coin counting system 10 acquires an image of the coin storage cassette 30 by photographing the coin storage cassette 30 with the camera 14 in a state where the coin C in the coin storage cassette 30 can be observed, and based on the image. Automatically count the number of coins.
  • the coin counting system 10 includes a control unit 11, a display 12, an operation unit 13, a camera 14, a counting processing unit 15, a cassette information storage unit 16, and a counting result storage unit 17.
  • the control unit 11 controls the coin counting system 10.
  • the display 12 and the operation unit 13 function as a user interface of the coin counting system 10.
  • the camera 14 takes a picture of the coin storage cassette 30 and acquires an image of the coin storage cassette 30.
  • the camera 14 is a device having a function of saving and outputting a captured image as image data.
  • the counting processing unit 15 automatically counts the number of coins based on the image of the coin storage cassette 30.
  • the cassette information storage unit 16 stores information such as the configuration of the coin storage cassette 30 used in the processing by the counting processing unit 15.
  • the counting result storage unit 17 stores the counting result counted by the coin counting system 10 and the image of the coin storage cassette 30.
  • FIG. 2A and 2B are perspective views of the coin payout device 20.
  • FIG. 2A shows a state in which the coin storage cassette 30 is attached to the coin payout device main body 21
  • FIG. 2B shows a state in which the coin storage cassette 30 is removed from the coin payout device main body 21.
  • the illustrated coin payout device 20 is an example of the coin payout device 20 targeted by the coin counting system 10 of the present embodiment. As shown in FIG. 2B, the coin payout device 20 has a coin storage cassette 30 that can be attached to and detached from the coin payout device main body 21. The coin payout device 20 has a coin payout outlet on the lower surface of the coin payout device main body 21.
  • the illustrated coin payout device 20 only pays out coins, but the coin counting system and the coin counting program of the present invention are not limited to this, and the coin payout device is not limited to this, and accepts coins. And payouts.
  • FIG. 3A, 3B and 3C are perspective views of the coin storage cassette 30.
  • FIG. 3A shows a state in which the coin tube cover 32 is attached
  • FIG. 3B shows a state in which the coin tube cover 32 is removed
  • FIG. 3C shows a state in which the payout slide 34 is pulled out.
  • the illustrated coin storage cassette 30 is an example of the coin storage cassette 30 targeted by the coin counting system 10 of the present embodiment.
  • the coin storage cassette 30 has a plurality of coin tubes 33 arranged in parallel.
  • the coin tube 33 stacks and stores coins C for each denomination.
  • the illustrated coin storage cassette 30 includes coin tubes 33 and 33A for storing 100 yen coins, coin tubes 33 and 33B for storing 5 yen coins, coin tubes 33 and 33C for storing 1 yen coins, and 500 yen.
  • Six coin tubes 33, 33F, a coin tube 33, 33C for storing coins, a coin tube 33, 33D for storing 50 yen coins, and a coin tube 33, 33E for storing 10 yen coins, are arranged in order from the left. It is arranged in parallel.
  • the coin storage cassette 30 has a coin tube cover 32 that can be attached to and detached from the coin storage cassette main body 31.
  • the coin C is replenished to the coin storage cassette 30 and the coin C is collected from the coin storage cassette 30 by removing the coin tube cover 32 from the coin storage cassette main body 31.
  • the coin tube cover 32 is made of a transparent member so that the coins C stored in the coin tubes 33 can be observed when the coin tube cover 32 is attached to the coin storage cassette body 31. ..
  • the surface on which the coin C stored in each coin tube 33 can be observed is the front surface of the coin storage cassette 30.
  • the coin storage cassette 30 has a payout slide 34 at the bottom thereof, which can be pulled out from the coin storage cassette main body 31.
  • the payout slide 34 is a member for paying out coins C from the coin storage cassette 30.
  • the payout slide 34 has a plurality of coin storage holes corresponding to each coin tube 33.
  • the plurality of coin storage holes 34a of the payout slide 34 accommodate one of the lowest layers of coins C stored in the corresponding coin tubes 33, respectively. Then, when paying out coins, the payout slide 34 is pulled out from the coin storage cassette 30, and the coin C stored in the coin storage hole 34a is dropped from the coin storage hole 34a. At this time, for the coin C of the denomination that is not the target of payout, the coin C is prevented from falling from the coin storage hole 34a by closing the lower part of the corresponding coin storage hole 34a with a plate-shaped member or the like. It will be. As a result, the coin C can be paid out only from the arbitrary coin tube 33.
  • the coin counting system 10 of the present embodiment does not count the number of coins from the height of the laminated body of coins C, but the number of striped stripes of the laminated body of coins C laminated on the coin tube 33. The number of coins is counted from.
  • FIG. 4 is a diagram showing an example of an image of the coin storage cassette 30 acquired by the coin counting system 10 of the present embodiment.
  • the coin C portion is relatively bright and the portion between the coin C and the coin C is relatively dark. ing. That is, the laminated body of coins C in each coin tube 33 has a striped pattern in which relatively dark strip-shaped regions extending in the horizontal direction and relatively bright strip-shaped regions are alternately overlapped in the vertical direction. There is. In the coin counting system 10 of the present embodiment, the number of coins is counted by counting the number of stripes of this striped pattern.
  • FIG. 5 is a diagram illustrating a method of counting the number of coins based on the image of the coin storage cassette 30 in the coin counting system 10 of the present embodiment.
  • the differential value of the brightness of the image of the coin storage cassette 30 is calculated from the lower end to the upper end of the coin tube 33 along the reference line L.
  • the differential value of the brightness is calculated as the value of the amount of change in the value of the brightness at each dot of the image of the coin storage cassette 30 (that is, the difference value of the brightness).
  • the differential value of this brightness has a peak p in the boundary region between the relatively dark band-shaped region and the relatively bright band-shaped region, that is, in the intermediate region between the boundary portion between the coins C and the central portion of the coin C. It becomes.
  • the number of peaks p of the differential value of the brightness corresponds to the number of coins in the laminated body of coins C.
  • the coin counting system 10 of the present embodiment counts the number of coins by counting the number of peaks p exceeding a predetermined threshold value Pth set in advance in the differential value of the brightness along the reference line L. There is.
  • the coin counting system 10 of the present embodiment performs an averaging process in calculating the differential value of the luminance. Specifically, the coin counting system 10 of the present embodiment uses the average value of the brightness of a plurality of dots (for example, the average value of the brightness of two adjacent dots) as the value of the brightness to be differentiated. There is. Further, in the coin counting system 10 of the present embodiment, a plurality of reference lines L extending in the stacking direction of the laminated body of coins C in the coin tube 33 are set (for example, three reference lines are set), and each of them is set. After adding the differential value of the luminance calculated along the reference line L, the number of peak ps of the differential value of the luminance is counted.
  • FIG. 6 is a diagram illustrating a correction process in counting the peak of the luminance differential value.
  • the coin counting system 10 of the present embodiment Fourier transforms the luminance value along the reference line in advance to obtain the predicted value D of the period (number of dots) of the peak p of the luminance differential value. Get it.
  • the coin counting system 10 of the present embodiment is constant from the position of the next peak p calculated from the predicted value D of the period of the peak p every time the peak p of the differential value of the luminance is counted along the reference line L.
  • the peak p in the range W (for example, ⁇ 20% of the predicted value of the cycle) is set as 1 count, and even if a plurality of peaks p exist in the range W, the peak p is not counted.
  • the threshold value Pth is set at the position of the next peak p calculated from the predicted value of the period of the peak p. Even if there is no peak p exceeding the threshold value p, if there is a peak p exceeding the threshold value Pth after that, the number of peak ps is counted assuming that the peak p exists.
  • FIG. 7 is a flow chart showing a flow of coin counting processing in the coin counting system 10 of the present embodiment.
  • the coin counting system 10 receives an input to the operation unit 13 and photographs the coin storage cassette 30 from the front with the camera 14 to acquire a cassette image which is an image of the coin storage cassette 30 taken from the front. (S1).
  • the coin counting system 10 preprocesses the acquired cassette image (S2).
  • the coin counting system 10 performs grayscale conversion of the image, detection of the contour of the outer shape of the coin storage cassette 30, trapezoidal correction of the outer shape of the coin storage cassette 30, and resizing to a predetermined size.
  • the image of only the coin storage cassette 30 observed from the front is cut out.
  • the image of only the coin storage cassette 30 cut out here is corrected by trapezoidal correction to be an observation of the coin storage cassette 30 from the front.
  • the image of only the coin storage cassette 30 cut out becomes constant in the number of dots in the vertical and horizontal directions of the outer shape of the coin storage cassette 30 by resizing, and the subsequent processing becomes easy.
  • a process of stretching the image in the coin stacking direction may be performed. By this process, the accuracy of counting the number of coins can be improved.
  • the coin counting system 10 may perform a distortion correction process of the lens of the camera in addition to the above process.
  • the coin storage cassette 30 When the coin storage cassette 30 is photographed from the front with the camera 14, as shown in FIG. 8, the coins in the upper part of the coin storage cassette 30 have an upper bow shape, the coins in the center part have a rectangular shape, and the coins in the lower part have a rectangular shape. Becomes a lower bow.
  • the camera lens distortion correction process all coins are corrected so that they have a rectangular shape. By this process, the accuracy of measuring the number of coins can be further improved.
  • a process of removing the feature of the coin storage cassette from the cassette image may be performed by using the image of the empty coin storage cassette 30 in which the coin is not stored.
  • the image of the empty coin storage cassette 30 is stored in the cassette information storage unit 16 in advance.
  • the coin counting system 10 sets a reference line L for calculating the above-mentioned differential value of the luminance for each coin tube 33 in the preprocessed image (S3).
  • the reference line L is set based on the coordinate range of the coin tube 33.
  • the coordinate range of the coin tube 33 is calculated from the reference coordinates which are the coordinates of the reference portion (for example, a payout slide or a specially provided marker).
  • the reference coordinates are obtained by analyzing the preprocessed image.
  • the acquisition of the reference coordinates and the calculation of the coordinate range of the coin tube 33 are performed using the information of the configuration of the coin storage cassette 30 stored in the cassette information storage unit 16 (for example, the position of each coin tube).
  • the coin counting system 10 counts the number of coins for each coin tube 33 based on the differential value of the brightness along the set reference line L (S4). More specifically, the coin counting system 10 calculates the differential value of the brightness of each coin tube 33 from the lower end to the upper end of the coin tube 33 along the set reference line L. By counting the peak p, the number of coins C is counted. In counting the number of coins, the above-mentioned averaging process and correction process are also performed.
  • the coin counting system 10 uses image recognition such as template matching to recognize the coins when there is a doubt as to whether or not the coins exist in the count of the peak p of the differential value of the brightness.
  • image recognition such as template matching
  • a process for determining in detail whether or not it exists may be performed.
  • the image data for comparison required for image recognition is stored in the cassette information storage unit 16 in advance. By this process, the accuracy of counting the number of coins can be further improved.
  • the coin counting system 10 outputs and displays the counting result on the display 12, and stores the counting result in the counting result storage unit 17 together with the cassette image (S5).
  • the coin counting system 10 is assumed to have a communication unit 18 that communicates with an external system 90 such as a POS system of a POS cash register, and the counting result of the number of coins is reported via the communication unit 18. It may be transmitted to the external system 90. As a result, the tightening process and the replenishment of coins in the coin payout device can be performed more accurately and at high speed.
  • an external system 90 such as a POS system of a POS cash register
  • the coin counting system 10 of this embodiment is composed of a smartphone and an application installed on the smartphone.
  • the camera 14 is built into the smartphone.
  • the display 12 and the operation unit 13 of the coin counting system 10 of the present embodiment are integrally configured as the touch panel displays 12 and 13.
  • 10A to 10D are views showing the display of the touch panel displays 12 and 13 of the coin counting system 10 of the present embodiment.
  • FIG. 10A is a menu screen 41.
  • This menu screen 41 is the screen that is first displayed when the coin counting system 10 is started.
  • the shooting & counting button unit 411 and the counting result confirmation button unit 412 are displayed as menu items.
  • the shooting & counting button section 411 is selected on the menu screen 41.
  • the counting result confirmation button unit 412 is an item selected when confirming the counting result acquired in the past coin counting and stored in the counting result storage unit 17 and the image of the coin storage cassette 30.
  • the 10B and 10C are shooting & counting screens 42.
  • the shooting & counting screen 42 is a screen displayed when the shooting & counting button unit 411 is selected on the menu screen 41.
  • the shooting & counting screen 42 includes a camera image display unit 421 that displays the image of the camera 14, a shooting button unit 422 for instructing the coin counting system 10 to shoot the coin storage cassette 30, and when returning to the menu screen 41. It has a back button unit 423 to be selected.
  • the camera image display unit 421 displays a guide frame 421a having the same shape as the outer shape of the coin storage cassette 30.
  • the image of the coin storage cassette 30 is acquired, as shown in FIG. 10C, the coin storage cassette 30 in the image of the camera 14 is aligned with the guide frame 421a and the shooting button portion 422 is selected to select the coin storage cassette 30. Is taken from the front.
  • the coin counting system 10 When the coin counting system 10 is instructed to shoot the coin storage cassette 30 on the shooting & counting screen 42, the coin counting system 10 acquires a cassette image which is an image of the coin storage cassette 30 taken from the front. Next, the coin counting system 10 automatically counts the number of coins C based on the cassette image by the above-mentioned processing. Further, the coin counting system 10 stores the counting result of the number of coins in the counting result storage unit 17 together with the acquired cassette image. The counting result and the cassette image stored in the counting result storage unit 17 can be confirmed by selecting the counting result confirmation button unit 412 on the menu screen 41.
  • FIG. 10D is a counting result screen 43.
  • the counting result screen 43 is a screen displayed after the shooting & counting screen 42 is instructed to shoot the coin storage cassette 30 and the counting processing unit 15 measures the number of coins.
  • the counting result screen 43 includes a counting result display unit 431, a cassette image display unit 432, and a return button unit 433 selected when returning to the menu screen 41.
  • the counting result display unit 431 displays the number of sheets for each denomination and the total amount.
  • the cassette image display unit 432 displays the acquired cassette image.
  • the coin counting system 10 of the present embodiment is a coin counting system that counts the number of coins stored in the coin storage cassette 30 having the coin tube 33, and the coin storage cassette 30 is photographed from the front. It has a camera 14 for acquiring a cassette image which is an image, and a counting processing unit 15 for counting the number of coins C stored in the coin storage cassette 30 based on the cassette image. As a result, the number of coins in the coin storage cassette 30 can be counted accurately and at high speed at the start of operation and the tightening process of the coin payout device 20.
  • the coin counting system 10 of the present embodiment counts the number of coins from the number of striped stripes of the laminated body of coins laminated on the coin tube 33. This makes it possible to count the number of coins in the coin storage cassette 30 more accurately.
  • the coin counting system 10 of the present embodiment has a counting result storage unit 17 for storing the counting result and the cassette image.
  • the coin counting system 10 of the present invention may store only the cassette image in the counting result storage unit 17. In this case, it is preferable that the coin counting system 10 is configured to be able to count the number of coins based on the cassette image stored in the counting result storage unit 17.
  • the coin counting program of the present embodiment is a coin counting program that causes an information processing device to execute a process of measuring the number of coins stored in the coin storage cassette 30 of the coin payout device 20.
  • the method of counting the number of coins in the coin counting program of the present embodiment is basically the same as the method of counting the number of coins in the coin counting system 10 described above, and is as follows.
  • this coin counting program causes the information processing device to execute a step of acquiring a cassette image which is an image of the coin storage cassette 30 taken from the front (S1).
  • this coin counting program causes the information processing device to execute a step of preprocessing the acquired cassette image (S2).
  • the coin counting program performs grayscale conversion of the image, contour detection of the outer shape of the coin storage cassette 30, trapezoidal correction of the outer shape of the coin storage cassette 30, and resizing to a predetermined size.
  • the information processing apparatus is made to execute the step of cutting out the image of only the coin storage cassette 30 observed from the front.
  • this coin counting program may cause the information processing device to perform a distortion correction process of the lens of the camera in addition to the above process. Further, in the preprocessing of this image, the information processing device may be made to perform a process of removing the feature of the coin storage cassette from the cassette image by using the image of the empty coin storage cassette 30 in which the coin is not stored.
  • this coin counting program causes the information processing device to execute a step of setting a reference line L for calculating the above-mentioned differential value of brightness for each coin tube 33 in the preprocessed image (S3).
  • the reference line L is set based on the coordinate range of the coin tube 33.
  • the coordinate range of the coin tube 33 is calculated from the reference coordinates which are the coordinates of the reference portion (for example, a payout slide or a specially provided marker).
  • the reference coordinates are obtained by analyzing the preprocessed image.
  • the acquisition of the reference coordinates and the calculation of the coordinate range of the coin tube 33 are performed using the information on the configuration of the coin storage cassette 30 given in advance.
  • this coin counting program counts the number of coins for each coin tube 33 based on the differential value of the brightness along the set reference line L (S4). More specifically, this coin counting program calculates the differential value of the brightness of each coin tube 33 from the lower end to the upper end of the coin tube 33 along the set reference line L. By counting the peak p, the information processing apparatus is made to execute the step of measuring the number of coins C. In measuring the number of coins, the above-mentioned averaging process and correction process are also performed.
  • this coin counting program uses image recognition such as template matching to generate coins when there is a doubt as to whether or not coins exist in the count of the peak p of the differential value of luminance.
  • the information processing apparatus may be made to perform a process of determining in detail whether or not it exists.
  • this coin counting program outputs the counting result (S5). Further, at this time, the information processing apparatus may further perform a step of storing the counting result in the counting result storage unit 17 together with the cassette image.
  • the coin counting program of the present embodiment is a coin counting program that counts the number of coins stored in the coin storage cassette 30 having the coin tube 33, and is an image of the coin storage cassette 30 taken from the front.
  • the information processing apparatus is made to execute a cassette image acquisition step of acquiring a certain cassette image and a counting processing step of counting the number of coins stored in the coin storage cassette 30 based on the cassette image.
  • the number of coins in the coin storage cassette 30 can be counted accurately and at high speed at the start of operation and the tightening process of the coin payout device 20.
  • the coin counting program of the present embodiment counts the number of coins from the number of striped stripes of the laminated body of coins laminated on the coin tube 33. This makes it possible to count the number of coins in the coin storage cassette 30 more accurately.
  • the coin counting program of the present embodiment causes the information processing apparatus to execute a counting result storage step of storing the counting result and the cassette image in the counting result storage unit 17.
  • a suspicion such as a miscalculation occurs in the tightening process of the coin payout device 20
  • the number of coins C set in the coin storage cassette 30 can be reconfirmed.
  • the coin counting program of the present invention may store only the cassette image in the counting result storage unit 17. In this case, it is preferable that the coin counting program is configured to be able to count the number of coins based on the cassette image stored in the counting result storage unit 17.
  • FIG. 11 is a diagram showing an example of marks 36 and 37 arranged in such a coin storage cassette 30 and its peripheral area.
  • the identification mark 36 is arranged on the front side of the coin storage cassette 30, and the cutout mark 37 is arranged in the peripheral area of the coin storage cassette 30.
  • the identification mark 36 is a mark for identifying the presence / absence and type of the coin storage cassette 30.
  • the coin counting system 10 detects the identification mark 36 arranged on the front side of the coin storage cassette 30 by template matching or the like from the preview image when acquiring the cassette image. At this time, the coin counting system 10 identifies the presence / absence of the coin storage cassette 30 from the presence / absence of the detection of the identification mark 36, and identifies the type of the coin storage cassette 30 from the detection coordinates of the detected identification mark 36.
  • the coin counting system 10 can perform the preprocessing (S2) of the cassette image described above according to the type of the coin storage cassette 30 identified in this way. Further, the coin counting system 10 can determine the denomination of the coins stored in each coin tube 33 from the types of the coin storage cassettes 30 identified in this way.
  • the coin counting system 10 may detect the identification mark 36 not from the preview image when acquiring the cassette image but from the cassette image. Further, the coin counting system 10 may identify the type of the coin storage cassette 30 not from the detection coordinates of the identification mark 36 but from the shape of the identification mark 36. Further, the identification mark 36 may identify only the type of the coin storage cassette 30.
  • the cutout mark 37 is a mark for cutting out the area of the coin storage cassette 30 from the cassette image.
  • four cutout marks 37 are provided in the outer regions of the four corners of the coin storage cassette 30 in the coin payout device main body 21, respectively.
  • the coin counting system 10 detects a cutout mark 37 from the cassette image in the above-mentioned preprocessing (S2) of the cassette image, and uses the detected coordinates of the detected cutout mark 37 as a reference to obtain the outer shape of the coin storage cassette 30. Cut out the contour. Further, the coin counting system 10 can perform keystone correction based on the detection coordinates of the cutout mark 37.
  • the cutout mark 37 may be provided on the coin storage cassette 30 instead of the coin payout device main body 21. Further, the number and arrangement of the cutout marks 37 are not limited to those shown in FIG. For example, three cutout marks 37 may be provided in the peripheral areas of three of the four corners of the coin storage cassette 30. Further, five or more cutout marks 37 may be provided. Further, the cutout marks 37 may be provided not at the four corners of the coin storage cassette 30 but at the peripheral regions on the four sides.
  • FIG. 12 is a diagram illustrating another example of a method of counting the number of coins based on the image of the coin storage cassette 30.
  • the number of coins is counted by counting the point d at which the brightness takes the minimum value along the set reference line L for each coin tube 33.
  • the point d at which the brightness takes a minimum value corresponds to the cut portion between the coins.
  • the coin counting system 10 detects the lower end position e1 and the upper end position e2 of the coin stored in the coin tube 33, and sets a point at which the brightness takes the minimum value from the lower end position e1 to the upper end position e2. Count one by one. For example, the lower end position e1 is detected as the rising edge of the luminance, and the upper end position e2 is detected as the falling edge of the luminance.
  • the count of the point d at which the brightness takes the minimum value is performed based on the differential value of the brightness along the reference line L. Specifically, the point c at which the differential value of the luminance switches from negative to positive is counted as the point d at which the luminance takes a minimum value.
  • the coin counting system 10 performs the same correction processing as the method of counting the number of coins of the present embodiment described above in counting the point d.
  • the coin counting system 10 obtains a predicted value of the period (number of dots) of the point d at which the brightness takes the minimum value by Fourier transforming the value of the brightness along the reference line in advance. .. Then, every time the coin counting system 10 counts the point d, it is within a certain range from the position of the next point d calculated from the predicted value of the cycle of the point d (for example, ⁇ 20% of the predicted value of the cycle).
  • the point d in the above is set to 1 count, and even if a plurality of points d exist within the range, a plurality of points d are not counted.
  • the coin counting system 10 counts the point d, even if the point d does not exist at the position of the next point d calculated from the predicted value of the cycle of the point d, the point d is set after that point d. If it exists, the number of points d is counted assuming that the point d exists.
  • FIG. 13A and 13B are perspective views showing a coin payout device 50 of another example.
  • the coin payout device 50 has an open / close cover 52
  • FIG. 13A shows a state in which the open / close cover 52 is closed
  • FIG. 13B shows a state in which the open / close cover 52 is open. ..
  • the coin payout device 50 includes a coin payout device main body 51, a coin storage cassette 30, an openable cover 52, and a camera 14. Further, the coin payout device 50 has a coin payout outlet (not shown) on the lower surface of the coin payout device main body 51.
  • the coin payout device 50 may connect the camera 14 to an external device (not shown) constituting the coin counting system 10, and the coin payout device 50 itself is the coin counting system 10. It may have all or a part.
  • the coin storage cassette 30 is detachably attached to the front side of the coin payout device main body 51.
  • the configuration of the coin storage cassette 30 is the same as the configuration of the coin storage cassette 30 described above. Further, in the example shown in FIG. 13B, the above-mentioned identification mark 36 is arranged on the front side of the coin storage cassette 30, and the above-mentioned cutout mark 37 is arranged in the peripheral area of the coin storage cassette 30.
  • the coin storage cassette 30 is attached to the coin payout device main body 51 in a state of being tilted so as to fall toward the back side. With this configuration, the coins stacked in the coin tube 33 can be aligned.
  • the opening / closing cover 52 is provided on the front side of the coin payout device main body 51, and takes a closed state covering the coin storage cassette 30 and an open state retracted from the coin storage cassette 30.
  • the opening / closing cover 52 is pivotally attached to the coin payout device main body 21, and the pivot portion 52a is located at the lower end portion on the front side of the coin payout device main body 51. , It is located at the lower end of the openable cover 52.
  • the camera 14 is arranged on the openable cover 52 so that the coin storage cassette 30 can be photographed and the image of the coin storage cassette 30 can be acquired when the openable cover 52 is open.
  • the camera 14 is arranged near the upper end portion of the inside of the openable cover 52 (that is, the side facing the coin payout device main body 51).
  • the camera 14 is arranged in a drawer portion 53 provided near the upper end portion of the openable cover 52.
  • the drawer portion 53 is a member arranged so as to be able to be pulled out from the upper end portion of the openable / closable cover 52.
  • the camera 14 can be arranged at a position farther from the coin storage cassette 30 than the upper end portion of the openable cover 52.
  • the coin storage cassette 30 when the openable cover 52 is open, the coin storage cassette 30 is tilted so as to fall toward the back side, and the camera 14 is on the floor surface of the coin storage cassette 30. It is located below the extended surface. This is to prevent the camera 14 from photographing the upper surface of the coins stacked on the coin storage cassette 30. With such a configuration, the accuracy of detecting the upper end position e2 of the coin stored in the coin tube 33 described above becomes good.
  • the coin payout device 50 having the above configuration, since the positional relationship between the coin storage cassette 30 and the camera 14 is fixed, it is possible to stably acquire a cassette image suitable for counting the number of coins. It becomes. In other words, since the coin counting system 10 having the coin payout device 50 has a fixed positional relationship between the coin storage cassette 30 and the camera 14, it is possible to stably acquire a cassette image suitable for counting the number of coins. It will be possible.
  • the coin payout device 50 described above can also be configured as a coin storage device having no mechanism for paying out coins.
  • the configuration of this coin storage device is the same as that of the coin payout device 50, except that it does not have a mechanism for paying out coins. That is, as for the configuration of the coin storage device, the above description of the configuration of the coin payout device 50 applies as it is.
  • the "coin payout device 50" and the “coin payout device main body 51” shall be read as “coin storage device 50" and "coin storage device main body 51", respectively.
  • the coin payout device 50 is not only a coin payout device but also a coin storage device.
  • the coin counting system and the coin counting program of the present invention are not limited to the above-described embodiment.
  • the coin counting system and the coin counting program of the present invention can be implemented in various other forms, and various omissions, replacements, changes, and additions can be made without departing from the gist of the invention. ..
  • the coin counting system and the coin counting program of the above-described embodiment count the number of coins stored in the coin storage cassette having a plurality of coin tubes 33, and the coin counting system and the coin counting program of the present invention are used.
  • the counting program is not limited to this, and may be one that counts the number of coins stored in the coin storage cassette having one coin tube.
  • the coin counting system and the coin counting program of the above-described embodiment count the number of coins stored in the coin storage cassette having the coin tube 33, and the coin counting system and the coin counting program of the present invention are used. Is not limited to this, and may count the number of coins stored in the coin storage unit 30 for loading and storing coins. Examples of such a coin storage unit 30 include the coin cases shown in FIGS. 14 and 15. In this case, the number of coins stored in the coin storage unit 30 is counted based on the coin storage unit image which is an image of the coin storage unit 30 taken from the front.

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Abstract

[Problem] To provide a coin counting system which accurately counts the number of coins accommodated in a stack. [Solution] A coin counting system 10 for counting the number of coins C accommodated in a coin accommodating unit 30 in which the coins are stacked and accommodated includes a camera 14 for acquiring a coin accommodating unit image, which is an image in which the coin accommodating unit 30 has been imaged from the front, and a count processing unit 15 for counting the number of coins C accommodated in the coin accommodating unit 30, on the basis of the coin accommodating unit image, wherein the count processing unit 15 counts the number of coins from the number of stripes in a striped pattern of the stack of coins C in the coin accommodating unit 30.

Description

硬貨計数システム、硬貨計数プログラム及び硬貨収納装置Coin counting system, coin counting program and coin storage device
　本発明は、硬貨払出装置の硬貨収納カセットなどに収納された硬貨の枚数を計数する硬貨計数システム及び硬貨計数プログラム、並びに、この硬貨計数システムの対象となる硬貨収納装置に関する。 The present invention relates to a coin counting system and a coin counting program that count the number of coins stored in a coin storage cassette of a coin payout device, and a coin storage device that is a target of this coin counting system.
　硬貨払出装置は、硬貨を払い出す装置であって、多くの場合、ＰＯＳレジ、自動販売機、両替機、精算機、券売機、サービス機器等に接続又は搭載されて利用されている。 The coin payout device is a device for paying out coins, and is often used by being connected to or mounted on a POS cash register, a vending machine, a money changer, a payment machine, a ticket vending machine, a service device, or the like.
　特許文献１は、このような硬貨払出装置の一例を開示する。特許文献１の硬貨払出装置では、硬貨払出装置の硬貨収納部分が、硬貨の補充及び回収の便宜のために、硬貨払出装置本体から取り外し可能な硬貨収納カセットとして構成されている。この硬貨収納カセットは、硬貨を金種毎に積層して収納する複数のコインチューブを有するものである。 Patent Document 1 discloses an example of such a coin payout device. In the coin payout device of Patent Document 1, the coin storage portion of the coin payout device is configured as a coin storage cassette that can be removed from the main body of the coin payout device for convenience of replenishment and collection of coins. This coin storage cassette has a plurality of coin tubes for stacking and storing coins for each denomination.
　このような硬貨払出装置の運用は、通常、次の手順により行われている。まず、運用の開始時において、硬貨収納カセットに手動で硬貨をセットし、そのセットした硬貨の枚数を硬貨払出装置が接続されているＰＯＳレジ等の管理システムに記録する。その後の運用中において、管理システムは、硬貨収納カセットからの硬貨の払い出しを受けて、管理システムに記録された硬貨の枚数の情報を随時更新する。そして、締め処理時において、硬貨収納カセットに収納されている硬貨の枚数を手動で計数し、その手動で計数された硬貨の枚数が、管理システムに記録されている硬貨の枚数の情報と一致するか確認し、締め処理を終了する。 The operation of such a coin payout device is usually performed by the following procedure. First, at the start of operation, coins are manually set in the coin storage cassette, and the number of coins set is recorded in a management system such as a POS cash register to which a coin payout device is connected. During the subsequent operation, the management system receives the withdrawal of coins from the coin storage cassette and updates the information on the number of coins recorded in the management system at any time. Then, at the time of the tightening process, the number of coins stored in the coin storage cassette is manually counted, and the manually counted number of coins matches the information on the number of coins recorded in the management system. Confirm that, and finish the tightening process.
　特許文献２は、カード及び硬貨等の板状部材の積層物の積層枚数を、一次元イメージセンサを用いて、計数することが開示されている。 Patent Document 2 discloses that the number of laminated plates of plate-shaped members such as cards and coins is counted by using a one-dimensional image sensor.
特開２０１９－１９１９３８号公報JP-A-2019-191938 特開平６－５２３７８号公報Japanese Unexamined Patent Publication No. 6-52378
　従来の硬貨払出装置の運用においては、運用の開始時及び締め処理時における硬貨収納カセット内の硬貨枚数の計数を手動で行っている。しかし、手動による計数では、計数の誤りが相当程度の頻度で発生するという問題が存在する。 In the operation of the conventional coin payout device, the number of coins in the coin storage cassette is manually counted at the start of operation and at the time of tightening. However, manual counting has a problem that counting errors occur at a considerable frequency.
　本発明は、上記の点に鑑み、積層収納された硬貨の枚数を正確に計数する硬貨計数システム及び硬貨計数プログラムを提供することを課題とする。 In view of the above points, it is an object of the present invention to provide a coin counting system and a coin counting program that accurately count the number of coins stored in layers.
　上記課題を解決するため、本発明の硬貨計数システムは、硬貨を積載して収納する硬貨収納部に収納されている硬貨の枚数を計数する硬貨計数システムであって、前記硬貨収納部を正面から撮影した画像である硬貨収納部画像を取得するカメラと、前記硬貨収納部に収納されている硬貨の枚数を、前記硬貨収納部画像に基づいて、計数する計数処理部と、を有し、前記計数処理部は、前記硬貨収納部内の硬貨の積層体の縞模様の縞の数から硬貨枚数を計数するものである。前記硬貨計数システムは、前記硬貨収納部が、コインチューブを有する硬貨収納カセットであり、前記硬貨収納部画像が、前記硬貨収納カセットを正面から撮影した画像であるカセット画像であってもよい。 In order to solve the above problems, the coin counting system of the present invention is a coin counting system that counts the number of coins stored in the coin storage unit for loading and storing coins, and the coin storage unit is viewed from the front. It has a camera that acquires a coin storage unit image that is a captured image, and a counting processing unit that counts the number of coins stored in the coin storage unit based on the coin storage unit image. The counting processing unit counts the number of coins from the number of striped stripes of the coin stack in the coin storage unit. In the coin counting system, the coin storage unit may be a coin storage cassette having a coin tube, and the coin storage unit image may be a cassette image obtained by taking an image of the coin storage cassette from the front.
　前記計数処理部は、前記硬貨の積層体の積層方向に延びる基準線を設定し、前記基準線に沿って前記硬貨収納部画像の輝度の微分値を算出し、前記輝度の微分値に基づいて硬貨枚数を計数するものであってもよい。さらに、前記硬貨計数システムは、さらに、前記硬貨収納部画像を記憶する計数結果記憶部を有するものであってもよい。 The counting processing unit sets a reference line extending in the stacking direction of the coin stack, calculates a differential value of the brightness of the coin storage unit image along the reference line, and is based on the differential value of the brightness. It may count the number of coins. Further, the coin counting system may further include a counting result storage unit that stores the coin storage unit image.
　本発明の硬貨計数プログラムは、硬貨を積載して収納する硬貨収納部に収納されている硬貨の枚数を計数する硬貨計数プログラムであって、前記硬貨収納部を正面から撮影した画像である硬貨収納部画像を取得する硬貨収納部画像取得ステップと、前記硬貨収納部に収納されている硬貨の枚数を、前記硬貨収納部画像に基づいて、計数する計数処理ステップと、を情報処理装置に実行させるものであり、前記計数処理ステップは、前記硬貨収納部内の硬貨の積層体の縞模様の縞の数から硬貨枚数を計数するものである。前記硬貨計数プログラムは、前記硬貨収納部が、コインチューブを有する硬貨収納カセットであり、前記硬貨収納部画像が、前記硬貨収納カセットを正面から撮影した画像であるカセット画像であってもよい。 The coin counting program of the present invention is a coin counting program that counts the number of coins stored in the coin storage unit for loading and storing coins, and is an image of the coin storage unit taken from the front. The information processing apparatus is made to execute a coin storage unit image acquisition step for acquiring a part image and a counting processing step for counting the number of coins stored in the coin storage unit based on the coin storage unit image. The counting processing step counts the number of coins from the number of striped stripes of the coin stack in the coin storage unit. In the coin counting program, the coin storage unit may be a coin storage cassette having a coin tube, and the coin storage unit image may be a cassette image obtained by taking an image of the coin storage cassette from the front.
　前記計数処理ステップは、前記硬貨の積層体の積層方向に延びる基準線を設定し、前記基準線に沿って前記硬貨収納部画像の輝度の微分値を算出し、前記輝度の微分値に基づいて硬貨枚数を計数するものであってもよい。前記硬貨計数プログラムは、さらに、前記硬貨収納部画像を計数結果記憶部に記憶する計数結果記憶ステップを情報処理装置に実行させるものであってもよい。 In the counting processing step, a reference line extending in the stacking direction of the coin stack is set, a differential value of the brightness of the coin storage portion image is calculated along the reference line, and the differential value of the brightness is used. It may count the number of coins. The coin counting program may further cause an information processing device to execute a counting result storage step of storing the coin storage unit image in the counting result storage unit.
　本発明の硬貨収納装置は、硬貨収納装置本体と、硬貨収納カセットと、開閉式カバーと、カメラと、を有し、前記硬貨収納カセットは、前記硬貨収納装置本体の正面側に着脱自在に装着され、前記開閉式カバーは、前記硬貨収納装置本体の正面側に設けられ、前記硬貨収納カセットを覆っている閉じた状態と、前記硬貨収納カセットから退避している開いた状態と、をとり、前記カメラは、前記開閉式カバーに、前記開閉式カバーが開いた状態のときに、前記硬貨収納カセットを撮影し、前記硬貨収納カセットの画像を取得することができるように配置される。前記カメラは、前記開閉式カバーが開いた状態のとき、前記硬貨収納カセットの床面を延長した面よりも下側に位置するように配置されてもよい。 The coin storage device of the present invention includes a coin storage device main body, a coin storage cassette, an openable cover, and a camera, and the coin storage cassette is detachably attached to the front side of the coin storage device main body. The openable cover is provided on the front side of the coin storage device main body, and takes a closed state covering the coin storage cassette and an open state retracted from the coin storage cassette. The camera is arranged on the openable cover so that the coin storage cassette can be photographed and an image of the coin storage cassette can be acquired when the openable cover is open. The camera may be arranged so as to be located below the extended surface of the floor surface of the coin storage cassette when the openable cover is open.
　本発明によれば、積層収納された硬貨の枚数を正確に計数する硬貨計数システム及び硬貨計数プログラムを提供することができる。 According to the present invention, it is possible to provide a coin counting system and a coin counting program that accurately count the number of coins stored in a stack.
本実施形態の硬貨計数システムの構成を示すブロック図である。It is a block diagram which shows the structure of the coin counting system of this embodiment. 硬貨払出装置の斜視図であり、硬貨収納カセットが取り付けられている状態を示すものである。It is a perspective view of a coin payout device, and shows the state in which a coin storage cassette is attached. 硬貨払出装置の斜視図であり、硬貨収納カセットが取り外されている状態を示すものである。It is a perspective view of the coin payout device, and shows the state which the coin storage cassette is removed. 硬貨収納カセットの斜視図であり、コインチューブカバーが取り付けられている状態を示すものである。It is a perspective view of a coin storage cassette, and shows a state in which a coin tube cover is attached. 硬貨収納カセットの斜視図であり、コインチューブカバーが取り外されている状態を示すものである。It is a perspective view of a coin storage cassette, and shows a state in which a coin tube cover is removed. 硬貨収納カセットの斜視図であり、ペイアウトスライドを引き出した状態を示すものである。It is a perspective view of a coin storage cassette, and shows a state in which a payout slide is pulled out. 本実施形態の硬貨計数システムによって取得された硬貨収納カセットの画像の一例を示す図である。It is a figure which shows an example of the image of the coin storage cassette acquired by the coin counting system of this embodiment. 本実施形態の硬貨計数システムにおける硬貨収納カセットの画像に基づく硬貨枚数の計数の方法を説明する図である。It is a figure explaining the method of counting the number of coins based on the image of the coin storage cassette in the coin counting system of this embodiment. 輝度微分値のピークのカウントにおける補正処理を説明する図である。It is a figure explaining the correction process in the count of the peak of the luminance differential value. 本実施形態の硬貨計数システムにおける硬貨計数の処理の流れを示すフロー図である。It is a flow chart which shows the flow of the process of coin counting in the coin counting system of this embodiment. 硬貨収納カセットの画像におけるカメラのレンズによる歪みを示す図である。It is a figure which shows the distortion by the lens of a camera in the image of a coin storage cassette. 外部システムと通信する通信部を有する硬貨計数システムの構成を示すブロック図である。It is a block diagram which shows the structure of the coin counting system which has the communication part which communicates with an external system. 本実施形態の硬貨計数システムのディスプレイの表示を示す図であり、メニュー画面を示すものである。It is a figure which shows the display of the coin counting system of this embodiment, and shows the menu screen. 本実施形態の硬貨計数システムのディスプレイの表示を示す図であり、撮影＆計測画面を示すものである。It is a figure which shows the display of the coin counting system of this embodiment, and shows the shooting & measurement screen. 本実施形態の硬貨計数システムのディスプレイの表示を示す図であり、撮影＆計測画面を示すものである。It is a figure which shows the display of the coin counting system of this embodiment, and shows the shooting & measurement screen. 本実施形態の硬貨計数システムのディスプレイの表示を示す図であり、計測結果画面を示すものである。It is a figure which shows the display of the coin counting system of this embodiment, and shows the measurement result screen. 硬貨収納カセット及びその周辺領域に配置されるマークの一例を示す図である。It is a figure which shows an example of the mark arranged in a coin storage cassette and its peripheral area. 硬貨収納カセットの画像に基づく硬貨枚数の計数の方法の別の例を説明する図である。It is a figure explaining another example of the method of counting the number of coins based on the image of a coin storage cassette. 別の例の硬貨払出装置を示す斜視図であり、開閉式カバーが閉じた状態を示すものである。It is a perspective view which shows the coin payout device of another example, and shows the state which the openable cover is closed. 別の例の硬貨払出装置を示す斜視図であり、開閉式カバーが開いた状態を示すものである。It is a perspective view which shows the coin payout device of another example, and shows the state which the openable cover is open. 硬貨を積層して収納する硬貨収納部の一例を示す斜視図である。It is a perspective view which shows an example of the coin storage part which stacks and stores coins. 硬貨を積層して収納する硬貨収納部の一例を示す斜視図である。It is a perspective view which shows an example of the coin storage part which stacks and stores coins.
　以下、図面を参照して、本発明の一実施形態（以下、「本実施形態」という。）について説明する。 Hereinafter, an embodiment of the present invention (hereinafter, referred to as “the present embodiment”) will be described with reference to the drawings.
　図１は、本実施形態の硬貨計数システム１０の構成を示すブロック図である。 FIG. 1 is a block diagram showing the configuration of the coin counting system 10 of the present embodiment.
　本実施形態の硬貨計数システム１０は、並列配置された複数のコインチューブ３３を有する硬貨収納カセット３０内に積層されている硬貨Ｃの枚数を計数するものである。この硬貨計数システム１０は、硬貨収納カセット３０を、硬貨収納カセット３０内の硬貨Ｃが観察できる状態で、カメラ１４で撮影することによって、硬貨収納カセット３０の画像を取得し、その画像に基づいて硬貨枚数を自動的に計数する。 The coin counting system 10 of the present embodiment counts the number of coins C stacked in the coin storage cassette 30 having a plurality of coin tubes 33 arranged in parallel. The coin counting system 10 acquires an image of the coin storage cassette 30 by photographing the coin storage cassette 30 with the camera 14 in a state where the coin C in the coin storage cassette 30 can be observed, and based on the image. Automatically count the number of coins.
　硬貨計数システム１０は、制御部１１と、ディスプレイ１２と、操作部１３と、カメラ１４と、計数処理部１５と、カセット情報記憶部１６と、計数結果記憶部１７と、を有する。制御部１１は、硬貨計数システム１０を制御する。ディスプレイ１２及び操作部１３は、硬貨計数システム１０のユーザーインターフェースとして機能する。カメラ１４は、硬貨収納カセット３０を撮影し、硬貨収納カセット３０の画像を取得する。カメラ１４は、撮影したイメージを画像データとして保存、出力する機能を備えた機器である。計数処理部１５は、硬貨収納カセット３０の画像に基づいて、硬貨枚数を自動的に計数する。カセット情報記憶部１６は、計数処理部１５での処理において用いられる硬貨収納カセット３０の構成などの情報を記憶する。計数結果記憶部１７は、硬貨計数システム１０によって計数された計数結果及び硬貨収納カセット３０の画像を記憶する。 The coin counting system 10 includes a control unit 11, a display 12, an operation unit 13, a camera 14, a counting processing unit 15, a cassette information storage unit 16, and a counting result storage unit 17. The control unit 11 controls the coin counting system 10. The display 12 and the operation unit 13 function as a user interface of the coin counting system 10. The camera 14 takes a picture of the coin storage cassette 30 and acquires an image of the coin storage cassette 30. The camera 14 is a device having a function of saving and outputting a captured image as image data. The counting processing unit 15 automatically counts the number of coins based on the image of the coin storage cassette 30. The cassette information storage unit 16 stores information such as the configuration of the coin storage cassette 30 used in the processing by the counting processing unit 15. The counting result storage unit 17 stores the counting result counted by the coin counting system 10 and the image of the coin storage cassette 30.
　まずは、硬貨計数システム１０における硬貨計数の対象となる硬貨払出装置２０の硬貨収納カセット３０について説明する。 First, the coin storage cassette 30 of the coin payout device 20 that is the target of coin counting in the coin counting system 10 will be described.
　図２Ａ及び図２Ｂは、硬貨払出装置２０の斜視図である。図２Ａは、硬貨払出装置本体２１に硬貨収納カセット３０が取り付けられている状態を示し、図２Ｂは、硬貨払出装置本体２１から硬貨収納カセット３０が取り外されている状態を示す。 2A and 2B are perspective views of the coin payout device 20. FIG. 2A shows a state in which the coin storage cassette 30 is attached to the coin payout device main body 21, and FIG. 2B shows a state in which the coin storage cassette 30 is removed from the coin payout device main body 21.
　図示された硬貨払出装置２０は、本実施形態の硬貨計数システム１０が対象とする硬貨払出装置２０の一例である。図２Ｂに示すように、この硬貨払出装置２０は、硬貨払出装置本体２１から着脱可能な硬貨収納カセット３０を有している。この硬貨払出装置２０は、硬貨払出装置本体２１の下面に硬貨払出口を有している。 The illustrated coin payout device 20 is an example of the coin payout device 20 targeted by the coin counting system 10 of the present embodiment. As shown in FIG. 2B, the coin payout device 20 has a coin storage cassette 30 that can be attached to and detached from the coin payout device main body 21. The coin payout device 20 has a coin payout outlet on the lower surface of the coin payout device main body 21.
　なお、図示された硬貨払出装置２０は、硬貨の払出しのみを行うものであるが、本発明の硬貨計数システム及び硬貨計数プログラムの対象となる硬貨払出装置は、これに限定されず、硬貨の受け入れ及び払出しを行うものであってもよい。 The illustrated coin payout device 20 only pays out coins, but the coin counting system and the coin counting program of the present invention are not limited to this, and the coin payout device is not limited to this, and accepts coins. And payouts.
　図３Ａ、図３Ｂ及び図３Ｃは、硬貨収納カセット３０の斜視図である。図３Ａは、コインチューブカバー３２が取り付けられている状態を示し、図３Ｂは、コインチューブカバー３２が取り外されている状態を示し、図３Ｃは、ペイアウトスライド３４を引き出した状態を示す。 3A, 3B and 3C are perspective views of the coin storage cassette 30. FIG. 3A shows a state in which the coin tube cover 32 is attached, FIG. 3B shows a state in which the coin tube cover 32 is removed, and FIG. 3C shows a state in which the payout slide 34 is pulled out.
　図示された硬貨収納カセット３０は、本実施形態の硬貨計数システム１０が対象とする硬貨収納カセット３０の一例である。この硬貨収納カセット３０は、並列配置された複数のコインチューブ３３を有している。コインチューブ３３は、硬貨Ｃを金種毎に積層して収納する。図示された硬貨収納カセット３０は、１００円硬貨を収納するコインチューブ３３、３３Ａと、５円硬貨を収納するコインチューブ３３、３３Ｂと、１円硬貨を収納するコインチューブ３３、３３Ｃと、５００円硬貨を収納するコインチューブ３３、３３Ｃと、５０円硬貨を収納するコインチューブ３３、３３Ｄと、１０円硬貨を収納するコインチューブ３３、３３Ｅと、の６つのコインチューブ３３、３３Ｆが、左から順に並列配置されたものとなっている。 The illustrated coin storage cassette 30 is an example of the coin storage cassette 30 targeted by the coin counting system 10 of the present embodiment. The coin storage cassette 30 has a plurality of coin tubes 33 arranged in parallel. The coin tube 33 stacks and stores coins C for each denomination. The illustrated coin storage cassette 30 includes coin tubes 33 and 33A for storing 100 yen coins, coin tubes 33 and 33B for storing 5 yen coins, coin tubes 33 and 33C for storing 1 yen coins, and 500 yen. Six coin tubes 33, 33F, a coin tube 33, 33C for storing coins, a coin tube 33, 33D for storing 50 yen coins, and a coin tube 33, 33E for storing 10 yen coins, are arranged in order from the left. It is arranged in parallel.
　図３Ｂに示すように、この硬貨収納カセット３０は、硬貨収納カセット本体３１から着脱可能なコインチューブカバー３２を有している。硬貨収納カセット３０への硬貨Ｃの補充及び硬貨収納カセット３０からの硬貨Ｃの回収は、硬貨収納カセット本体３１からコインチューブカバー３２を取り外して行われる。このコインチューブカバー３２は、コインチューブカバー３２が硬貨収納カセット本体３１に取り付けられた状態において、それぞれのコインチューブ３３に収納されている硬貨Ｃが観察できるように、透明な部材により構成されている。本明細書では、それぞれのコインチューブ３３に収納されている硬貨Ｃが観察できる面を硬貨収納カセット３０の正面とする。 As shown in FIG. 3B, the coin storage cassette 30 has a coin tube cover 32 that can be attached to and detached from the coin storage cassette main body 31. The coin C is replenished to the coin storage cassette 30 and the coin C is collected from the coin storage cassette 30 by removing the coin tube cover 32 from the coin storage cassette main body 31. The coin tube cover 32 is made of a transparent member so that the coins C stored in the coin tubes 33 can be observed when the coin tube cover 32 is attached to the coin storage cassette body 31. .. In the present specification, the surface on which the coin C stored in each coin tube 33 can be observed is the front surface of the coin storage cassette 30.
　図３Ｃに示すように、この硬貨収納カセット３０は、その最下部に、硬貨収納カセット本体３１から引き出し可能なペイアウトスライド３４を有している。ペイアウトスライド３４は、硬貨収納カセット３０から硬貨Ｃを払い出すための部材である。ペイアウトスライド３４は、それぞれのコインチューブ３３に対応する複数の硬貨収容孔を有している。 As shown in FIG. 3C, the coin storage cassette 30 has a payout slide 34 at the bottom thereof, which can be pulled out from the coin storage cassette main body 31. The payout slide 34 is a member for paying out coins C from the coin storage cassette 30. The payout slide 34 has a plurality of coin storage holes corresponding to each coin tube 33.
 ペイアウトスライド３４の複数の硬貨収容孔３４ａは、それぞれ対応するコインチューブ３３に収納された硬貨Ｃのうちの最下層の１枚を収容する。そして、硬貨を払い出すときは、ペイアウトスライド３４を硬貨収納カセット３０から引き出して、硬貨収容孔３４ａに収容されている硬貨Ｃを硬貨収容孔３４ａから落下させる。このとき、払い出しの対象となっていない金種の硬貨Ｃについては、対応する硬貨収容孔３４ａの下方を板状部材などで閉鎖することによって、硬貨収容孔３４ａからの硬貨Ｃの落下を阻止することになる。これにより、任意のコインチューブ３３のみからの硬貨Ｃの払い出しが可能となっている。 The plurality of coin storage holes 34a of the payout slide 34 accommodate one of the lowest layers of coins C stored in the corresponding coin tubes 33, respectively. Then, when paying out coins, the payout slide 34 is pulled out from the coin storage cassette 30, and the coin C stored in the coin storage hole 34a is dropped from the coin storage hole 34a. At this time, for the coin C of the denomination that is not the target of payout, the coin C is prevented from falling from the coin storage hole 34a by closing the lower part of the corresponding coin storage hole 34a with a plate-shaped member or the like. It will be. As a result, the coin C can be paid out only from the arbitrary coin tube 33.
　次に、本実施形態の硬貨計数システム１０における硬貨枚数の計数の方法について説明する。 Next, a method of counting the number of coins in the coin counting system 10 of the present embodiment will be described.
　硬貨枚数を計数する方法として、コインチューブ３３に積層されている硬貨Ｃの積層体の高さから硬貨枚数を算出することが考えられる。しかし、本発明の発明者の研究の結果、硬貨Ｃの厚みのバラツキの存在により、コインチューブ３３に積層されている硬貨Ｃの枚数が多くなると計数の誤りが発生する虞があることが見出された。そのため、本実施形態の硬貨計数システム１０は、硬貨Ｃの積層体の高さから硬貨枚数を計数するのではなく、コインチューブ３３に積層されている硬貨Ｃの積層体の縞模様の縞の数から硬貨枚数を計数するものとなっている。 As a method of counting the number of coins, it is conceivable to calculate the number of coins from the height of the laminated body of coins C laminated on the coin tube 33. However, as a result of the research of the inventor of the present invention, it has been found that due to the existence of the variation in the thickness of the coin C, there is a possibility that a counting error may occur when the number of coins C stacked on the coin tube 33 increases. Was done. Therefore, the coin counting system 10 of the present embodiment does not count the number of coins from the height of the laminated body of coins C, but the number of striped stripes of the laminated body of coins C laminated on the coin tube 33. The number of coins is counted from.
　図４は、本実施形態の硬貨計数システム１０によって取得された硬貨収納カセット３０の画像の一例を示す図である。 FIG. 4 is a diagram showing an example of an image of the coin storage cassette 30 acquired by the coin counting system 10 of the present embodiment.
　硬貨収納カセット３０の画像において、それぞれのコインチューブ３３に積層されている硬貨Ｃの積層体は、硬貨Ｃ部分が相対的に明るく、硬貨Ｃと硬貨Ｃとの間の部分が相対的に暗くなっている。つまり、それぞれのコインチューブ３３内の硬貨Ｃの積層体は、水平方向に延びる相対的に暗い帯状領域と相対的に明るい帯状領域とが垂直方向に交互に重なった縞模様を有するものとなっている。本実施形態の硬貨計数システム１０では、この縞模様の縞の数を数えることにより硬貨枚数を計数する。 In the image of the coin storage cassette 30, in the laminated body of coins C laminated on each coin tube 33, the coin C portion is relatively bright and the portion between the coin C and the coin C is relatively dark. ing. That is, the laminated body of coins C in each coin tube 33 has a striped pattern in which relatively dark strip-shaped regions extending in the horizontal direction and relatively bright strip-shaped regions are alternately overlapped in the vertical direction. There is. In the coin counting system 10 of the present embodiment, the number of coins is counted by counting the number of stripes of this striped pattern.
　図５は、本実施形態の硬貨計数システム１０における硬貨収納カセット３０の画像に基づく硬貨枚数の計数の方法を説明する図である。 FIG. 5 is a diagram illustrating a method of counting the number of coins based on the image of the coin storage cassette 30 in the coin counting system 10 of the present embodiment.
　硬貨収納カセット３０の画像に基づく硬貨枚数の計数においては、硬貨収納カセット３０の画像をグレースケールに変換した上で、図５の上図に示すように、コインチューブ３３内の硬貨Ｃの積層方向に延びる基準線Ｌを設定する。次に、図５の下図に示すように、その基準線Ｌに沿って、コインチューブ３３の下端部から上端部に亘り、硬貨収納カセット３０の画像の輝度の微分値を算出する。輝度の微分値は、硬貨収納カセット３０の画像の各ドットにおける輝度の値の変化量の値（つまり、輝度の差分値）として算出する。 In counting the number of coins based on the image of the coin storage cassette 30, after converting the image of the coin storage cassette 30 to grayscale, as shown in the upper figure of FIG. 5, the stacking direction of coins C in the coin tube 33 The reference line L extending to is set. Next, as shown in the lower figure of FIG. 5, the differential value of the brightness of the image of the coin storage cassette 30 is calculated from the lower end to the upper end of the coin tube 33 along the reference line L. The differential value of the brightness is calculated as the value of the amount of change in the value of the brightness at each dot of the image of the coin storage cassette 30 (that is, the difference value of the brightness).
　この輝度の微分値は、相対的に暗い帯状領域と相対的に明るい帯状領域との境界領域、つまり、硬貨Ｃ同士の境界部分と硬貨Ｃの中心部分との中間領域において、ピークｐを有するものとなる。この輝度の微分値のピークｐの数は、硬貨Ｃの積層体における硬貨枚数に対応する。本実施形態の硬貨計数システム１０は、基準線Ｌに沿った輝度の微分値において、あらかじめ設定された所定の閾値Ｐｔｈを超えるピークｐの数をカウントすることにより硬貨枚数を計数するものとなっている。 The differential value of this brightness has a peak p in the boundary region between the relatively dark band-shaped region and the relatively bright band-shaped region, that is, in the intermediate region between the boundary portion between the coins C and the central portion of the coin C. It becomes. The number of peaks p of the differential value of the brightness corresponds to the number of coins in the laminated body of coins C. The coin counting system 10 of the present embodiment counts the number of coins by counting the number of peaks p exceeding a predetermined threshold value Pth set in advance in the differential value of the brightness along the reference line L. There is.
　また、本実施形態の硬貨計数システム１０は、輝度の微分値の算出において、平均化処理を行っている。具体的には、本実施形態の硬貨計数システム１０は、微分の対象となる輝度の値として、複数のドットの輝度の平均値（例えば、隣接する２つのドットの輝度の平均値）を用いている。また、本実施形態の硬貨計数システム１０は、コインチューブ３３内の硬貨Ｃの積層体の積層方向に延びる基準線Ｌを複数設定して（例えば、３つの基準線を設定して）、それぞれの基準線Ｌに沿って算出された輝度の微分値を加算した上で、輝度の微分値のピークｐの数をカウントするものとなっている。 Further, the coin counting system 10 of the present embodiment performs an averaging process in calculating the differential value of the luminance. Specifically, the coin counting system 10 of the present embodiment uses the average value of the brightness of a plurality of dots (for example, the average value of the brightness of two adjacent dots) as the value of the brightness to be differentiated. There is. Further, in the coin counting system 10 of the present embodiment, a plurality of reference lines L extending in the stacking direction of the laminated body of coins C in the coin tube 33 are set (for example, three reference lines are set), and each of them is set. After adding the differential value of the luminance calculated along the reference line L, the number of peak ps of the differential value of the luminance is counted.
　また、本実施形態の硬貨計数システム１０は、輝度の微分値のピークｐを数える際に、補正処理を行っている。図６は、この輝度微分値のピークのカウントにおける補正処理を説明する図である。 Further, the coin counting system 10 of the present embodiment performs correction processing when counting the peak p of the differential value of the luminance. FIG. 6 is a diagram illustrating a correction process in counting the peak of the luminance differential value.
　具体的には、本実施形態の硬貨計数システム１０は、予め、基準線に沿った輝度の値をフーリエ変換することによって、輝度の微分値のピークｐの周期（ドット数）の予測値Ｄを取得しておく。 Specifically, the coin counting system 10 of the present embodiment Fourier transforms the luminance value along the reference line in advance to obtain the predicted value D of the period (number of dots) of the peak p of the luminance differential value. Get it.
　そして、本実施形態の硬貨計数システム１０は、基準線Ｌに沿って輝度の微分値のピークｐを数える毎に、ピークｐの周期の予測値Ｄから算出される次のピークｐの位置から一定の範囲内Ｗ（例えば、周期の予測値の±２０％）にあるピークｐを１カウントとし、その範囲内Ｗに複数のピークｐが存在していても複数カウントしないものとなっている。 Then, the coin counting system 10 of the present embodiment is constant from the position of the next peak p calculated from the predicted value D of the period of the peak p every time the peak p of the differential value of the luminance is counted along the reference line L. The peak p in the range W (for example, ± 20% of the predicted value of the cycle) is set as 1 count, and even if a plurality of peaks p exist in the range W, the peak p is not counted.
　また、本実施形態の硬貨計数システム１０は、基準線Ｌに沿って輝度の微分値のピークｐを数える毎に、ピークｐの周期の予測値から算出される次のピークｐの位置に閾値Ｐｔｈを超えるピークｐが存在しなかった場合にも、その先で閾値Ｐｔｈを超えるピークｐが存在する場合には、ピークｐが存在するものとしてピークｐの数をカウントするものとなっている。 Further, in the coin counting system 10 of the present embodiment, every time the peak p of the differential value of the brightness is counted along the reference line L, the threshold value Pth is set at the position of the next peak p calculated from the predicted value of the period of the peak p. Even if there is no peak p exceeding the threshold value p, if there is a peak p exceeding the threshold value Pth after that, the number of peak ps is counted assuming that the peak p exists.
　図７は、本実施形態の硬貨計数システム１０における硬貨計数の処理の流れを示すフロー図である。 FIG. 7 is a flow chart showing a flow of coin counting processing in the coin counting system 10 of the present embodiment.
　最初に、硬貨計数システム１０は、操作部１３への入力を受けて、カメラ１４で硬貨収納カセット３０を正面から撮影することにより、硬貨収納カセット３０を正面から撮影した画像であるカセット画像を取得する（Ｓ１）。 First, the coin counting system 10 receives an input to the operation unit 13 and photographs the coin storage cassette 30 from the front with the camera 14 to acquire a cassette image which is an image of the coin storage cassette 30 taken from the front. (S1).
　次に、硬貨計数システム１０は、取得したカセット画像の前処理を行う（Ｓ２）。この画像の前処理において、硬貨計数システム１０は、画像のグレースケール変換と、硬貨収納カセット３０の外形の輪郭検出と、硬貨収納カセット３０の外形の輪郭の台形補正と、所定のサイズへのリサイズと、を順次行うことにより、正面から観察した硬貨収納カセット３０のみの画像を切り出す。ここで切り出された硬貨収納カセット３０のみの画像は、台形補正により、硬貨収納カセット３０を真正面から観察したものに補正される。また、切り出された硬貨収納カセット３０のみの画像は、リサイズにより、硬貨収納カセット３０の外形の縦横のドット数が一定となり、その後の処理が容易となる。また、画像のリサイズにおいては、画像を硬貨の積層方向に引き延ばす処理を行ってもよい。この処理によって、硬貨枚数のカウントの精度を向上させることができる。 Next, the coin counting system 10 preprocesses the acquired cassette image (S2). In the preprocessing of this image, the coin counting system 10 performs grayscale conversion of the image, detection of the contour of the outer shape of the coin storage cassette 30, trapezoidal correction of the outer shape of the coin storage cassette 30, and resizing to a predetermined size. By sequentially performing and, the image of only the coin storage cassette 30 observed from the front is cut out. The image of only the coin storage cassette 30 cut out here is corrected by trapezoidal correction to be an observation of the coin storage cassette 30 from the front. Further, the image of only the coin storage cassette 30 cut out becomes constant in the number of dots in the vertical and horizontal directions of the outer shape of the coin storage cassette 30 by resizing, and the subsequent processing becomes easy. Further, in resizing the image, a process of stretching the image in the coin stacking direction may be performed. By this process, the accuracy of counting the number of coins can be improved.
　また、この画像の前処理において、硬貨計数システム１０は、上述の処理に加えて、カメラのレンズの歪みの補正処理を行ってもよい。カメラ１４で硬貨収納カセット３０を正面から撮影したとき、図８に示すように、硬貨収納カセット３０の上方部の硬貨は上弓なりの形状となり、中央部の硬貨は長方形形状となり、下方部の硬貨は下弓なりとなる。カメラのレンズの歪みの補正処理では、すべての硬貨が長方形形状になるように補正を行う。この処理によって、硬貨枚数の計測の精度をより向上させることができる。 Further, in the preprocessing of this image, the coin counting system 10 may perform a distortion correction process of the lens of the camera in addition to the above process. When the coin storage cassette 30 is photographed from the front with the camera 14, as shown in FIG. 8, the coins in the upper part of the coin storage cassette 30 have an upper bow shape, the coins in the center part have a rectangular shape, and the coins in the lower part have a rectangular shape. Becomes a lower bow. In the camera lens distortion correction process, all coins are corrected so that they have a rectangular shape. By this process, the accuracy of measuring the number of coins can be further improved.
　また、この画像の前処理において、硬貨が収納されていない空の硬貨収納カセット３０の画像を用いて、カセット画像から硬貨収納カセットの特徴を取り除く処理を行ってもよい。この場合、空の硬貨収納カセット３０の画像を、予め、カセット情報記憶部１６に記憶させておくことになる。 Further, in the preprocessing of this image, a process of removing the feature of the coin storage cassette from the cassette image may be performed by using the image of the empty coin storage cassette 30 in which the coin is not stored. In this case, the image of the empty coin storage cassette 30 is stored in the cassette information storage unit 16 in advance.
　次に、硬貨計数システム１０は、前処理された画像において、コインチューブ３３毎に前述の輝度の微分値の算出のための基準線Ｌを設定する（Ｓ３）。この基準線Ｌを設定は、コインチューブ３３の座標範囲に基づいて行われる。コインチューブ３３の座標範囲は、基準となる部分（例えば、ペイアウトスライド又は特別に設けられたマーカー）の座標である基準座標から算出される。この基準座標は、前処理された画像の解析によって取得される。この基準座標の取得及びコインチューブ３３の座標範囲の算出は、カセット情報記憶部１６に記憶された硬貨収納カセット３０の構成の情報（例えば、それぞれのコインチューブの位置）を用いて行われる。 Next, the coin counting system 10 sets a reference line L for calculating the above-mentioned differential value of the luminance for each coin tube 33 in the preprocessed image (S3). The reference line L is set based on the coordinate range of the coin tube 33. The coordinate range of the coin tube 33 is calculated from the reference coordinates which are the coordinates of the reference portion (for example, a payout slide or a specially provided marker). The reference coordinates are obtained by analyzing the preprocessed image. The acquisition of the reference coordinates and the calculation of the coordinate range of the coin tube 33 are performed using the information of the configuration of the coin storage cassette 30 stored in the cassette information storage unit 16 (for example, the position of each coin tube).
　次に、硬貨計数システム１０は、それぞれのコインチューブ３３について、設定された基準線Ｌに沿った輝度の微分値に基づいて、硬貨枚数をカウントする（Ｓ４）。より具体的には、硬貨計数システム１０は、それぞれのコインチューブ３３について、設定された基準線Ｌに沿って、コインチューブ３３の下端部から上端部に亘り、輝度の微分値を算出し、そのピークｐを数えることで、硬貨Ｃの枚数をカウントする。この硬貨枚数のカウントにおいては、前述の平均化処理及び補正処理も行われる。 Next, the coin counting system 10 counts the number of coins for each coin tube 33 based on the differential value of the brightness along the set reference line L (S4). More specifically, the coin counting system 10 calculates the differential value of the brightness of each coin tube 33 from the lower end to the upper end of the coin tube 33 along the set reference line L. By counting the peak p, the number of coins C is counted. In counting the number of coins, the above-mentioned averaging process and correction process are also performed.
　また、硬貨枚数の計測において、硬貨計数システム１０は、輝度の微分値のピークｐのカウントにおいて、硬貨が存在するか否かの疑義が生じたときに、テンプレートマッチングなどの画像認識によって、硬貨が存在するか否かを詳細に判別する処理を行ってもよい。この場合、画像認識で必要となる比較用の画像データは、予めカセット情報記憶部１６に記憶しておくことになる。この処理によって、硬貨枚数の計数の精度をより向上させることができる。 Further, in the measurement of the number of coins, the coin counting system 10 uses image recognition such as template matching to recognize the coins when there is a doubt as to whether or not the coins exist in the count of the peak p of the differential value of the brightness. A process for determining in detail whether or not it exists may be performed. In this case, the image data for comparison required for image recognition is stored in the cassette information storage unit 16 in advance. By this process, the accuracy of counting the number of coins can be further improved.
　最後に、硬貨計数システム１０は、ディスプレイ１２に計数結果を出力して表示するとともに、その計数結果を、カセット画像とともに、計数結果記憶部１７に記憶する（Ｓ５）。 Finally, the coin counting system 10 outputs and displays the counting result on the display 12, and stores the counting result in the counting result storage unit 17 together with the cassette image (S5).
　また、硬貨計数システム１０を、図９に示すように、ＰＯＳレジのＰＯＳシステムなどの外部システム９０と通信する通信部１８を有するものとし、硬貨枚数の計数結果を、通信部１８を介して、外部システム９０に送信するようにしてもよい。これにより、硬貨払出装置における締め処理及び硬貨の補充をより正確且つ高速に行うことができるようになる。 Further, as shown in FIG. 9, the coin counting system 10 is assumed to have a communication unit 18 that communicates with an external system 90 such as a POS system of a POS cash register, and the counting result of the number of coins is reported via the communication unit 18. It may be transmitted to the external system 90. As a result, the tightening process and the replenishment of coins in the coin payout device can be performed more accurately and at high speed.
　次に、本実施形態の硬貨計数システム１０の操作について説明する。 Next, the operation of the coin counting system 10 of the present embodiment will be described.
　本実施形態の硬貨計数システム１０は、スマートフォンと、スマートフォンにインストールされたアプリと、によって構成されている。カメラ１４は、スマートフォンに組み込まれている。また、本実施形態の硬貨計数システム１０のディスプレイ１２と操作部１３とは、タッチパネルディスプレイ１２、１３として、一体的に構成されている。 The coin counting system 10 of this embodiment is composed of a smartphone and an application installed on the smartphone. The camera 14 is built into the smartphone. Further, the display 12 and the operation unit 13 of the coin counting system 10 of the present embodiment are integrally configured as the touch panel displays 12 and 13.
　図１０Ａから図１０Ｄは、本実施形態の硬貨計数システム１０のタッチパネルディスプレイ１２、１３の表示を示す図である。 10A to 10D are views showing the display of the touch panel displays 12 and 13 of the coin counting system 10 of the present embodiment.
　図１０Ａは、メニュー画面４１である。このメニュー画面４１は、硬貨計数システム１０を起動したとき、最初に表示される画面である。図示された例では、メニュー項目として、撮影＆計数ボタン部４１１と計数結果確認ボタン部４１２とが表示されている。硬貨収納カセット３０に収納されている硬貨Ｃの枚数を計数するとき、メニュー画面４１において撮影＆計数ボタン部４１１を選択する。計数結果確認ボタン部４１２については、過去の硬貨計数において取得され、計数結果記憶部１７に記憶されている計数結果及び硬貨収納カセット３０の画像を確認するときに選択される項目である。 FIG. 10A is a menu screen 41. This menu screen 41 is the screen that is first displayed when the coin counting system 10 is started. In the illustrated example, the shooting & counting button unit 411 and the counting result confirmation button unit 412 are displayed as menu items. When counting the number of coins C stored in the coin storage cassette 30, the shooting & counting button section 411 is selected on the menu screen 41. The counting result confirmation button unit 412 is an item selected when confirming the counting result acquired in the past coin counting and stored in the counting result storage unit 17 and the image of the coin storage cassette 30.
　図１０Ｂ及び図１０Ｃは、撮影＆計数画面４２である。この撮影＆計数画面４２は、メニュー画面４１において撮影＆計数ボタン部４１１が選択されると表示される画面である。撮影＆計数画面４２は、カメラ１４の映像を表示するカメラ映像表示部４２１と、硬貨計数システム１０に硬貨収納カセット３０の撮影を指示するための撮影ボタン部４２２と、メニュー画面４１に戻るときに選択される戻るボタン部４２３と、を有する。 10B and 10C are shooting & counting screens 42. The shooting & counting screen 42 is a screen displayed when the shooting & counting button unit 411 is selected on the menu screen 41. The shooting & counting screen 42 includes a camera image display unit 421 that displays the image of the camera 14, a shooting button unit 422 for instructing the coin counting system 10 to shoot the coin storage cassette 30, and when returning to the menu screen 41. It has a back button unit 423 to be selected.
　カメラ映像表示部４２１は、硬貨収納カセット３０の外形と同じ形状のガイド枠４２１ａが表示されている。硬貨収納カセット３０の画像を取得するとき、図１０Ｃに示すように、カメラ１４の映像における硬貨収納カセット３０をガイド枠４２１ａに合わせた上で撮影ボタン部４２２を選択することにより、硬貨収納カセット３０を正面から撮影する。このようにガイド枠４２１ａを用いた撮影によって硬貨収納カセット３０の画像を取得することによって、前述の画像の前処理（Ｓ２）において、硬貨収納カセットの外形の位置の認識がしやすくなる。 The camera image display unit 421 displays a guide frame 421a having the same shape as the outer shape of the coin storage cassette 30. When the image of the coin storage cassette 30 is acquired, as shown in FIG. 10C, the coin storage cassette 30 in the image of the camera 14 is aligned with the guide frame 421a and the shooting button portion 422 is selected to select the coin storage cassette 30. Is taken from the front. By acquiring the image of the coin storage cassette 30 by taking a picture using the guide frame 421a in this way, it becomes easy to recognize the position of the outer shape of the coin storage cassette in the preprocessing (S2) of the above-mentioned image.
　硬貨計数システム１０は、撮影＆計数画面４２において硬貨収納カセット３０の撮影が指示されると、硬貨収納カセット３０を正面から撮影した画像であるカセット画像を取得する。次に、硬貨計数システム１０は、前述の処理により、カセット画像に基づいて、硬貨Ｃの枚数を自動的に計数する。また、硬貨計数システム１０は、硬貨枚数の計数結果を、取得されたカセット画像とともに、計数結果記憶部１７に記憶する。この計数結果記憶部１７に記憶された計数結果及びカセット画像は、メニュー画面４１において計数結果確認ボタン部４１２を選択することによって、確認することができるようになっている。 When the coin counting system 10 is instructed to shoot the coin storage cassette 30 on the shooting & counting screen 42, the coin counting system 10 acquires a cassette image which is an image of the coin storage cassette 30 taken from the front. Next, the coin counting system 10 automatically counts the number of coins C based on the cassette image by the above-mentioned processing. Further, the coin counting system 10 stores the counting result of the number of coins in the counting result storage unit 17 together with the acquired cassette image. The counting result and the cassette image stored in the counting result storage unit 17 can be confirmed by selecting the counting result confirmation button unit 412 on the menu screen 41.
　図１０Ｄは、計数結果画面４３である。この計数結果画面４３は、撮影＆計数画面４２において硬貨収納カセット３０の撮影が指示され、計数処理部１５において硬貨枚数が計測された後に表示される画面である。計数結果画面４３は、計数結果表示部４３１と、カセット画像表示部４３２と、メニュー画面４１に戻るときに選択される戻るボタン部４３３と、を有する。計数結果表示部４３１は、金種ごとの枚数と、合計金額と、を表示する。カセット画像表示部４３２は、取得されたカセット画像を表示する。 FIG. 10D is a counting result screen 43. The counting result screen 43 is a screen displayed after the shooting & counting screen 42 is instructed to shoot the coin storage cassette 30 and the counting processing unit 15 measures the number of coins. The counting result screen 43 includes a counting result display unit 431, a cassette image display unit 432, and a return button unit 433 selected when returning to the menu screen 41. The counting result display unit 431 displays the number of sheets for each denomination and the total amount. The cassette image display unit 432 displays the acquired cassette image.
　上述のとおり、本実施形態の硬貨計数システム１０は、コインチューブ３３を有する硬貨収納カセット３０に収納されている硬貨の枚数を計数する硬貨計数システムであって、硬貨収納カセット３０を正面から撮影した画像であるカセット画像を取得するカメラ１４と、硬貨収納カセット３０に収納されている硬貨Ｃの枚数を、カセット画像に基づいて、計数する計数処理部１５と、を有するものである。これにより、硬貨払出装置２０の運用の開始時及び締め処理時において、硬貨収納カセット３０内の硬貨の枚数の計数を正確且つ高速に行うことができる。 As described above, the coin counting system 10 of the present embodiment is a coin counting system that counts the number of coins stored in the coin storage cassette 30 having the coin tube 33, and the coin storage cassette 30 is photographed from the front. It has a camera 14 for acquiring a cassette image which is an image, and a counting processing unit 15 for counting the number of coins C stored in the coin storage cassette 30 based on the cassette image. As a result, the number of coins in the coin storage cassette 30 can be counted accurately and at high speed at the start of operation and the tightening process of the coin payout device 20.
　また、本実施形態の硬貨計数システム１０は、コインチューブ３３に積層されている硬貨の積層体の縞模様の縞の数から硬貨枚数を計数するものである。これにより、硬貨収納カセット３０内の硬貨枚数をより正確に計数することが可能である。 Further, the coin counting system 10 of the present embodiment counts the number of coins from the number of striped stripes of the laminated body of coins laminated on the coin tube 33. This makes it possible to count the number of coins in the coin storage cassette 30 more accurately.
　また、本実施形態の硬貨計数システム１０は、計数結果及びカセット画像を記憶する計数結果記憶部１７を有する。これにより、硬貨払出装置２０の締め処理において違算などの疑義が生じたときに、硬貨収納カセット３０にセットした硬貨Ｃの枚数を再確認することができるものとなっている。なお、本発明の硬貨計数システム１０は、カセット画像のみを計数結果記憶部１７に記憶するものであってもよい。この場合、硬貨計数システム１０は、計数結果記憶部１７に記憶されているカセット画像に基づく硬貨枚数の計数ができるように構成されていることが好ましい。 Further, the coin counting system 10 of the present embodiment has a counting result storage unit 17 for storing the counting result and the cassette image. As a result, when a suspicion such as a miscalculation occurs in the tightening process of the coin payout device 20, the number of coins C set in the coin storage cassette 30 can be reconfirmed. The coin counting system 10 of the present invention may store only the cassette image in the counting result storage unit 17. In this case, it is preferable that the coin counting system 10 is configured to be able to count the number of coins based on the cassette image stored in the counting result storage unit 17.
　次に、本実施形態の硬貨計数プログラム（又は、硬貨計数プログラムを格納した記憶媒体）について説明する。 Next, the coin counting program (or the storage medium in which the coin counting program is stored) of the present embodiment will be described.
　本実施形態の硬貨計数プログラムは、硬貨払出装置２０の硬貨収納カセット３０に収納されている硬貨の枚数を計測する処理を情報処理装置に実行させる硬貨計数プログラムである。 The coin counting program of the present embodiment is a coin counting program that causes an information processing device to execute a process of measuring the number of coins stored in the coin storage cassette 30 of the coin payout device 20.
　本実施形態の硬貨計数プログラムにおける硬貨枚数の計数の方法は、前述の硬貨計数システム１０における硬貨枚数の計数の方法と、基本的に同じであって、次のとおりである。 The method of counting the number of coins in the coin counting program of the present embodiment is basically the same as the method of counting the number of coins in the coin counting system 10 described above, and is as follows.
　最初に、この硬貨計数プログラムは、硬貨収納カセット３０を正面から撮影した画像であるカセット画像を取得するステップを情報処理装置に実行させる（Ｓ１）。 First, this coin counting program causes the information processing device to execute a step of acquiring a cassette image which is an image of the coin storage cassette 30 taken from the front (S1).
　次に、この硬貨計数プログラムは、取得したカセット画像の前処理を行うステップを情報処理装置に実行させる（Ｓ２）。この画像の前処理において、この硬貨計数プログラムは、画像のグレースケール変換と、硬貨収納カセット３０の外形の輪郭検出と、硬貨収納カセット３０の外形の輪郭の台形補正と、所定のサイズへのリサイズと、を順次行うことにより、正面から観察した硬貨収納カセット３０のみの画像切り出すステップを情報処理装置に実行させる。 Next, this coin counting program causes the information processing device to execute a step of preprocessing the acquired cassette image (S2). In the preprocessing of this image, the coin counting program performs grayscale conversion of the image, contour detection of the outer shape of the coin storage cassette 30, trapezoidal correction of the outer shape of the coin storage cassette 30, and resizing to a predetermined size. By sequentially performing the above, the information processing apparatus is made to execute the step of cutting out the image of only the coin storage cassette 30 observed from the front.
　また、この画像の前処理において、この硬貨計数プログラムは、上述の処理に加えて、カメラのレンズの歪みの補正処理を情報処理装置に行わせてもよい。また、この画像の前処理において、硬貨が収納されていない空の硬貨収納カセット３０の画像を用いて、カセット画像から硬貨収納カセットの特徴を取り除く処理を情報処理装置に行わせてもよい。 Further, in the preprocessing of this image, this coin counting program may cause the information processing device to perform a distortion correction process of the lens of the camera in addition to the above process. Further, in the preprocessing of this image, the information processing device may be made to perform a process of removing the feature of the coin storage cassette from the cassette image by using the image of the empty coin storage cassette 30 in which the coin is not stored.
　次に、この硬貨計数プログラムは、前処理された画像において、コインチューブ３３毎に前述の輝度の微分値の算出のための基準線Ｌを設定するステップを情報処理装置に実行させる（Ｓ３）。この基準線Ｌを設定は、コインチューブ３３の座標範囲に基づいて行われる。コインチューブ３３の座標範囲は、基準となる部分（例えば、ペイアウトスライド又は特別に設けられたマーカー）の座標である基準座標から算出する。この基準座標は、前処理された画像の解析によって取得される。この基準座標の取得及びコインチューブ３３の座標範囲の算出は、あらかじめ与えられている硬貨収納カセット３０の構成の情報を用いて行われる。 Next, this coin counting program causes the information processing device to execute a step of setting a reference line L for calculating the above-mentioned differential value of brightness for each coin tube 33 in the preprocessed image (S3). The reference line L is set based on the coordinate range of the coin tube 33. The coordinate range of the coin tube 33 is calculated from the reference coordinates which are the coordinates of the reference portion (for example, a payout slide or a specially provided marker). The reference coordinates are obtained by analyzing the preprocessed image. The acquisition of the reference coordinates and the calculation of the coordinate range of the coin tube 33 are performed using the information on the configuration of the coin storage cassette 30 given in advance.
　次に、この硬貨計数プログラムは、それぞれのコインチューブ３３について、設定された基準線Ｌに沿った輝度の微分値に基づいて、硬貨枚数をカウントする（Ｓ４）。より具体的には、この硬貨計数プログラムは、それぞれのコインチューブ３３について、設定された基準線Ｌに沿って、コインチューブ３３の下端部から上端部に亘り、輝度の微分値を算出し、そのピークｐを数えることで、硬貨Ｃの枚数を計測するステップを情報処理装置に実行させる。この硬貨枚数の計測においては、前述の平均化処理及び補正処理も行われる。 Next, this coin counting program counts the number of coins for each coin tube 33 based on the differential value of the brightness along the set reference line L (S4). More specifically, this coin counting program calculates the differential value of the brightness of each coin tube 33 from the lower end to the upper end of the coin tube 33 along the set reference line L. By counting the peak p, the information processing apparatus is made to execute the step of measuring the number of coins C. In measuring the number of coins, the above-mentioned averaging process and correction process are also performed.
　また、硬貨枚数の計測において、この硬貨計数プログラムは、輝度の微分値のピークｐのカウントにおいて、硬貨が存在するか否かの疑義が生じたときに、テンプレートマッチングなどの画像認識によって、硬貨が存在するか否かを詳細に判別する処理を情報処理装置に行わせてもよい。 In addition, in measuring the number of coins, this coin counting program uses image recognition such as template matching to generate coins when there is a doubt as to whether or not coins exist in the count of the peak p of the differential value of luminance. The information processing apparatus may be made to perform a process of determining in detail whether or not it exists.
　最後に、この硬貨計数プログラムは、計数結果を出力する（Ｓ５）。また、このとき、さらに、計数結果を、カセット画像とともに、計数結果記憶部１７に記憶するステップを情報処理装置に実行させてもよい。 Finally, this coin counting program outputs the counting result (S5). Further, at this time, the information processing apparatus may further perform a step of storing the counting result in the counting result storage unit 17 together with the cassette image.
　上述のとおり、本実施形態の硬貨計数プログラムは、コインチューブ３３有する硬貨収納カセット３０に収納されている硬貨の枚数を計数する硬貨計数プログラムであって、硬貨収納カセット３０を正面から撮影した画像であるカセット画像を取得するカセット画像取得ステップと、硬貨収納カセット３０に収納されている硬貨の枚数を、カセット画像に基づいて、計数する計数処理ステップと、を情報処理装置に実行させるものである。これにより、硬貨払出装置２０の運用の開始時及び締め処理時において、硬貨収納カセット３０内の硬貨枚数の計数を正確且つ高速に行うことができる。 As described above, the coin counting program of the present embodiment is a coin counting program that counts the number of coins stored in the coin storage cassette 30 having the coin tube 33, and is an image of the coin storage cassette 30 taken from the front. The information processing apparatus is made to execute a cassette image acquisition step of acquiring a certain cassette image and a counting processing step of counting the number of coins stored in the coin storage cassette 30 based on the cassette image. As a result, the number of coins in the coin storage cassette 30 can be counted accurately and at high speed at the start of operation and the tightening process of the coin payout device 20.
　また、本実施形態の硬貨計数プログラムは、コインチューブ３３に積層されている硬貨の積層体の縞模様の縞の数から硬貨枚数を計数するものである。これにより、硬貨収納カセット３０内の硬貨枚数をより正確に計数することが可能である。 Further, the coin counting program of the present embodiment counts the number of coins from the number of striped stripes of the laminated body of coins laminated on the coin tube 33. This makes it possible to count the number of coins in the coin storage cassette 30 more accurately.
　また、本実施形態の硬貨計数プログラムは、計数結果及びカセット画像を計数結果記憶部１７に記憶する計数結果記憶ステップを情報処理装置に実行させるものである。これにより、硬貨払出装置２０の締め処理において違算などの疑義が生じたときに、硬貨収納カセット３０にセットした硬貨Ｃの枚数を再確認することができるものとなっている。なお、本発明の硬貨計数プログラムは、カセット画像のみを計数結果記憶部１７に記憶するものであってもよい。この場合、硬貨計数プログラムは、計数結果記憶部１７に記憶されているカセット画像に基づく硬貨枚数の計数ができるように構成されていることが好ましい。 Further, the coin counting program of the present embodiment causes the information processing apparatus to execute a counting result storage step of storing the counting result and the cassette image in the counting result storage unit 17. As a result, when a suspicion such as a miscalculation occurs in the tightening process of the coin payout device 20, the number of coins C set in the coin storage cassette 30 can be reconfirmed. The coin counting program of the present invention may store only the cassette image in the counting result storage unit 17. In this case, it is preferable that the coin counting program is configured to be able to count the number of coins based on the cassette image stored in the counting result storage unit 17.
　次に、硬貨収納カセット３０及びその周辺領域にマーク３６、３７を配置する例について説明する。 Next, an example in which the marks 36 and 37 are arranged in the coin storage cassette 30 and its peripheral area will be described.
　図１１は、このような硬貨収納カセット３０及びその周辺領域に配置されるマーク３６、３７の一例を示す図である。 FIG. 11 is a diagram showing an example of marks 36 and 37 arranged in such a coin storage cassette 30 and its peripheral area.
　図１１に示す例では、硬貨収納カセット３０の正面側に、識別マーク３６が配置されており、硬貨収納カセット３０の周辺領域に、切り出しマーク３７が配置されている。 In the example shown in FIG. 11, the identification mark 36 is arranged on the front side of the coin storage cassette 30, and the cutout mark 37 is arranged in the peripheral area of the coin storage cassette 30.
　識別マーク３６は、硬貨収納カセット３０の有無及び種類を識別するためのマークである。硬貨計数システム１０は、カセット画像を取得する際のプレビュー画像から、テンプレートマッチングなどにより、硬貨収納カセット３０の正面側に配置された識別マーク３６を検出する。このとき、硬貨計数システム１０は、識別マーク３６の検出の有無から硬貨収納カセット３０の有無を識別し、検出された識別マーク３６の検出座標から硬貨収納カセット３０の種類を識別する。 The identification mark 36 is a mark for identifying the presence / absence and type of the coin storage cassette 30. The coin counting system 10 detects the identification mark 36 arranged on the front side of the coin storage cassette 30 by template matching or the like from the preview image when acquiring the cassette image. At this time, the coin counting system 10 identifies the presence / absence of the coin storage cassette 30 from the presence / absence of the detection of the identification mark 36, and identifies the type of the coin storage cassette 30 from the detection coordinates of the detected identification mark 36.
　硬貨計数システム１０は、このようにして識別された硬貨収納カセット３０の種類に応じて、前述のカセット画像の前処理（Ｓ２）を行うことができる。また、硬貨計数システム１０は、このようにして識別された硬貨収納カセット３０の種類から、各コインチューブ３３に収納されている硬貨の金種を判断することができる。 The coin counting system 10 can perform the preprocessing (S2) of the cassette image described above according to the type of the coin storage cassette 30 identified in this way. Further, the coin counting system 10 can determine the denomination of the coins stored in each coin tube 33 from the types of the coin storage cassettes 30 identified in this way.
　なお、硬貨計数システム１０は、識別マーク３６の検出を、カセット画像を取得する際のプレビュー画像からではなく、カセット画像から行うものであってもよい。また、硬貨計数システム１０は、硬貨収納カセット３０の種類を、識別マーク３６の検出座標からではなく、識別マーク３６の形状から識別するものであってもよい。また、識別マーク３６は、硬貨収納カセット３０の種類のみを識別するものであってもよい。 The coin counting system 10 may detect the identification mark 36 not from the preview image when acquiring the cassette image but from the cassette image. Further, the coin counting system 10 may identify the type of the coin storage cassette 30 not from the detection coordinates of the identification mark 36 but from the shape of the identification mark 36. Further, the identification mark 36 may identify only the type of the coin storage cassette 30.
　切り出しマーク３７は、カセット画像から硬貨収納カセット３０の領域を切り出すためのマークである。図示された例では、４つの切り出しマーク３７が、それぞれ、硬貨払出装置本体２１における硬貨収納カセット３０の四隅の外側の領域に設けられている。 The cutout mark 37 is a mark for cutting out the area of the coin storage cassette 30 from the cassette image. In the illustrated example, four cutout marks 37 are provided in the outer regions of the four corners of the coin storage cassette 30 in the coin payout device main body 21, respectively.
　硬貨計数システム１０は、前述のカセット画像の前処理（Ｓ２）において、カセット画像から切り出しマーク３７を検出し、その検出された切り出しマーク３７の検出座標を基準にして、硬貨収納カセット３０の外形の輪郭の切り出しを行う。また、硬貨計数システム１０は、切り出しマーク３７の検出座標を基準として台形補正を行うことができる。 The coin counting system 10 detects a cutout mark 37 from the cassette image in the above-mentioned preprocessing (S2) of the cassette image, and uses the detected coordinates of the detected cutout mark 37 as a reference to obtain the outer shape of the coin storage cassette 30. Cut out the contour. Further, the coin counting system 10 can perform keystone correction based on the detection coordinates of the cutout mark 37.
　なお、切り出しマーク３７は、硬貨払出装置本体２１ではなく、硬貨収納カセット３０に設けられていてもよい。また、切り出しマーク３７の数及びその配置は、図１１に示すものに限定されない。例えば、３つの切り出しマーク３７が硬貨収納カセット３０の四隅のうち３つの隅の周辺領域に設けられていてもよい。また、５つ以上の切り出しマーク３７が設けられていてもよい。また、切り出しマーク３７は、硬貨収納カセット３０の４隅ではなく四辺の周辺領域に設けられていてもよい。 The cutout mark 37 may be provided on the coin storage cassette 30 instead of the coin payout device main body 21. Further, the number and arrangement of the cutout marks 37 are not limited to those shown in FIG. For example, three cutout marks 37 may be provided in the peripheral areas of three of the four corners of the coin storage cassette 30. Further, five or more cutout marks 37 may be provided. Further, the cutout marks 37 may be provided not at the four corners of the coin storage cassette 30 but at the peripheral regions on the four sides.
　次に、硬貨収納カセット３０の画像に基づく硬貨枚数の計数の方法の別の例について説明する。 Next, another example of a method of counting the number of coins based on the image of the coin storage cassette 30 will be described.
　図１２は、硬貨収納カセット３０の画像に基づく硬貨枚数の計数の方法の別の例を説明する図である。 FIG. 12 is a diagram illustrating another example of a method of counting the number of coins based on the image of the coin storage cassette 30.
　この硬貨枚数の計数方法では、それぞれのコインチューブ３３について、設定された基準線Ｌに沿って、輝度が極小値をとるポイントｄをカウントすることによって、硬貨枚数をカウントする。この輝度が極小値をとるポイントｄは、硬貨と硬貨との間の切れ目部分に対応する。 In this method of counting the number of coins, the number of coins is counted by counting the point d at which the brightness takes the minimum value along the set reference line L for each coin tube 33. The point d at which the brightness takes a minimum value corresponds to the cut portion between the coins.
　硬貨計数システム１０は、コインチューブ３３に収納されている硬貨の下端位置ｅ１と上端位置ｅ２とを検出し、その下端位置ｅ１からスタートして上端位置ｅ２まで、輝度が極小値をとるポイントを１つずつカウントする。例えば、下端位置ｅ１は、輝度の立ち上がりとして検出され、上端位置ｅ２は、輝度の立ち下がりとして検出される。 The coin counting system 10 detects the lower end position e1 and the upper end position e2 of the coin stored in the coin tube 33, and sets a point at which the brightness takes the minimum value from the lower end position e1 to the upper end position e2. Count one by one. For example, the lower end position e1 is detected as the rising edge of the luminance, and the upper end position e2 is detected as the falling edge of the luminance.
　輝度が極小値をとるポイントｄのカウントは、基準線Ｌに沿った輝度の微分値に基づいて行われる。具体的には、輝度の微分値が負から正に切り替わるポイントｃを、輝度が極小値をとるポイントｄとしてカウントする。 The count of the point d at which the brightness takes the minimum value is performed based on the differential value of the brightness along the reference line L. Specifically, the point c at which the differential value of the luminance switches from negative to positive is counted as the point d at which the luminance takes a minimum value.
　硬貨計数システム１０は、このポイントｄのカウントにおいて、前述の本実施形態の硬貨枚数の計数の方法と同様の補正処理を行う。 The coin counting system 10 performs the same correction processing as the method of counting the number of coins of the present embodiment described above in counting the point d.
　具体的には、硬貨計数システム１０は、予め、基準線に沿った輝度の値をフーリエ変換することによって、輝度が極小値をとるポイントｄの周期（ドット数）の予測値を取得しておく。そして、硬貨計数システム１０は、ポイントｄをカウントする毎に、ポイントｄの周期の予測値から算出される次のポイントｄの位置から一定の範囲内（例えば、周期の予測値の±２０％）にあるポイントｄを１カウントとし、その範囲内に複数のポイントｄが存在していても複数カウントしないものとなっている。 Specifically, the coin counting system 10 obtains a predicted value of the period (number of dots) of the point d at which the brightness takes the minimum value by Fourier transforming the value of the brightness along the reference line in advance. .. Then, every time the coin counting system 10 counts the point d, it is within a certain range from the position of the next point d calculated from the predicted value of the cycle of the point d (for example, ± 20% of the predicted value of the cycle). The point d in the above is set to 1 count, and even if a plurality of points d exist within the range, a plurality of points d are not counted.
　また、硬貨計数システム１０は、ポイントｄを数える毎に、ポイントｄの周期の予測値から算出される次のポイントｄの位置にポイントｄが存在しなかった場合にも、その先でポイントｄが存在する場合には、ポイントｄが存在するものとしてポイントｄの数をカウントするものとなっている。 Further, every time the coin counting system 10 counts the point d, even if the point d does not exist at the position of the next point d calculated from the predicted value of the cycle of the point d, the point d is set after that point d. If it exists, the number of points d is counted assuming that the point d exists.
　次に、本実施形態の硬貨計数システム１０における硬貨計数の対象となる硬貨払出装置の別の例について説明する。 Next, another example of the coin payout device to be the target of coin counting in the coin counting system 10 of the present embodiment will be described.
　図１３Ａ及び図１３Ｂは、別の例の硬貨払出装置５０を示す斜視図である。この硬貨払出装置５０は、開閉式カバー５２を有し、図１３Ａは、開閉式カバー５２が閉じた状態を示すものであり、図１３Ｂは、開閉式カバー５２が開いた状態を示すものである。 13A and 13B are perspective views showing a coin payout device 50 of another example. The coin payout device 50 has an open / close cover 52, FIG. 13A shows a state in which the open / close cover 52 is closed, and FIG. 13B shows a state in which the open / close cover 52 is open. ..
　この硬貨払出装置５０は、硬貨払出装置本体５１と、硬貨収納カセット３０と、開閉式カバー５２と、カメラ１４と、を有している。また、硬貨払出装置５０は、硬貨払出装置本体５１の下面に硬貨払出口（図示を省略）を有している。 The coin payout device 50 includes a coin payout device main body 51, a coin storage cassette 30, an openable cover 52, and a camera 14. Further, the coin payout device 50 has a coin payout outlet (not shown) on the lower surface of the coin payout device main body 51.
　なお、硬貨払出装置５０は、そのカメラ１４を外部の硬貨計数システム１０を構成する装置（図示を省略）に接続するものであってもよいし、硬貨払出装置５０自体が、硬貨計数システム１０の全部又は一部を有するものであってもよい。 The coin payout device 50 may connect the camera 14 to an external device (not shown) constituting the coin counting system 10, and the coin payout device 50 itself is the coin counting system 10. It may have all or a part.
　硬貨収納カセット３０は、硬貨払出装置本体５１の正面側に着脱自在に装着される。この硬貨収納カセット３０の構成は、前述の硬貨収納カセット３０の構成と同じである。また、図１３Ｂに示す例では、硬貨収納カセット３０の正面側に、前述の識別マーク３６が配置されており、硬貨収納カセット３０の周辺領域に、前述の切り出しマーク３７が配置されている。 The coin storage cassette 30 is detachably attached to the front side of the coin payout device main body 51. The configuration of the coin storage cassette 30 is the same as the configuration of the coin storage cassette 30 described above. Further, in the example shown in FIG. 13B, the above-mentioned identification mark 36 is arranged on the front side of the coin storage cassette 30, and the above-mentioned cutout mark 37 is arranged in the peripheral area of the coin storage cassette 30.
　また、図１３Ｂに示す例では、硬貨収納カセット３０は、背面側に倒れるように傾いた状態で硬貨払出装置本体５１に装着されている。この構成により、コインチューブ３３内に積層されている硬貨を整列させることができる。 Further, in the example shown in FIG. 13B, the coin storage cassette 30 is attached to the coin payout device main body 51 in a state of being tilted so as to fall toward the back side. With this configuration, the coins stacked in the coin tube 33 can be aligned.
　開閉式カバー５２は、硬貨払出装置本体５１の正面側に設けられ、硬貨収納カセット３０を覆っている閉じた状態と、硬貨収納カセット３０から退避している開いた状態と、をとる。 The opening / closing cover 52 is provided on the front side of the coin payout device main body 51, and takes a closed state covering the coin storage cassette 30 and an open state retracted from the coin storage cassette 30.
　図１３Ａ及び図１３Ｂに示す例では、開閉式カバー５２は、硬貨払出装置本体２１に枢着されており、その枢着部５２ａは、硬貨払出装置本体５１の正面側の下端部に位置するとともに、開閉式カバー５２の下端部に位置している。 In the example shown in FIGS. 13A and 13B, the opening / closing cover 52 is pivotally attached to the coin payout device main body 21, and the pivot portion 52a is located at the lower end portion on the front side of the coin payout device main body 51. , It is located at the lower end of the openable cover 52.
　カメラ１４は、開閉式カバー５２に、開閉式カバー５２が開いた状態のときに、硬貨収納カセット３０を撮影し、硬貨収納カセット３０の画像を取得することができるように配置される。図１３Ｂに示す例では、カメラ１４は、開閉式カバー５２の内側（つまり、硬貨払出装置本体５１と対向する側）の上端部付近に配置されている。 The camera 14 is arranged on the openable cover 52 so that the coin storage cassette 30 can be photographed and the image of the coin storage cassette 30 can be acquired when the openable cover 52 is open. In the example shown in FIG. 13B, the camera 14 is arranged near the upper end portion of the inside of the openable cover 52 (that is, the side facing the coin payout device main body 51).
　また、図１３Ｂに示す例では、カメラ１４は、開閉式カバー５２の上端部付近に設けられた引き出し部５３に配置されている。この引き出し部５３は、開閉式カバー５２の上端部から引き出し可能に配置された部材である。カメラ１４を引き出し部５３に配置することにより、カメラ１４を開閉式カバー５２の上端部よりも硬貨収納カセット３０から離れた位置に配置することが可能となる。 Further, in the example shown in FIG. 13B, the camera 14 is arranged in a drawer portion 53 provided near the upper end portion of the openable cover 52. The drawer portion 53 is a member arranged so as to be able to be pulled out from the upper end portion of the openable / closable cover 52. By arranging the camera 14 in the drawer portion 53, the camera 14 can be arranged at a position farther from the coin storage cassette 30 than the upper end portion of the openable cover 52.
　また、図１３Ｂに示す例では、開閉式カバー５２が開いた状態のとき、硬貨収納カセット３０が背面側に倒れるように傾いた状態となっており、カメラ１４が、硬貨収納カセット３０の床面を延長した面よりも下側に位置するようになっている。これは、カメラ１４が硬貨収納カセット３０に積層されている硬貨の上面を撮影しないようにするためである。このような構成では、前述のコインチューブ３３に収納されている硬貨の上端位置ｅ２の検出の精度が良好なものとなる。 Further, in the example shown in FIG. 13B, when the openable cover 52 is open, the coin storage cassette 30 is tilted so as to fall toward the back side, and the camera 14 is on the floor surface of the coin storage cassette 30. It is located below the extended surface. This is to prevent the camera 14 from photographing the upper surface of the coins stacked on the coin storage cassette 30. With such a configuration, the accuracy of detecting the upper end position e2 of the coin stored in the coin tube 33 described above becomes good.
　以上の構成を有する硬貨払出装置５０においては、硬貨収納カセット３０とカメラ１４との位置関係が固定されることになるので、硬貨枚数の計数に適したカセット画像を安定的に取得することが可能となる。換言すると、硬貨払出装置５０を有する硬貨計数システム１０は、硬貨収納カセット３０とカメラ１４との位置関係が固定されているので、硬貨枚数の計数に適したカセット画像を安定的に取得することが可能となる。 In the coin payout device 50 having the above configuration, since the positional relationship between the coin storage cassette 30 and the camera 14 is fixed, it is possible to stably acquire a cassette image suitable for counting the number of coins. It becomes. In other words, since the coin counting system 10 having the coin payout device 50 has a fixed positional relationship between the coin storage cassette 30 and the camera 14, it is possible to stably acquire a cassette image suitable for counting the number of coins. It will be possible.
　上述の硬貨払出装置５０は、硬貨を払い出すための機構を有しない硬貨収納装置として構成することも可能である。この硬貨収納装置の構成は、硬貨を払い出すための機構を有しない点を除き、硬貨払出装置５０と同じである。つまり、硬貨収納装置の構成については、上述の硬貨払出装置５０の構成についての説明がそのまま当てはまる。但し、この場合、「硬貨払出装置５０」及び「硬貨払出装置本体５１」を、それぞれ、「硬貨収納装置５０」及び「硬貨収納装置本体５１」と読み替えるものとする。なお、硬貨払出装置５０は、硬貨払出装置であるとともに、硬貨収納装置でもある。 The coin payout device 50 described above can also be configured as a coin storage device having no mechanism for paying out coins. The configuration of this coin storage device is the same as that of the coin payout device 50, except that it does not have a mechanism for paying out coins. That is, as for the configuration of the coin storage device, the above description of the configuration of the coin payout device 50 applies as it is. However, in this case, the "coin payout device 50" and the "coin payout device main body 51" shall be read as "coin storage device 50" and "coin storage device main body 51", respectively. The coin payout device 50 is not only a coin payout device but also a coin storage device.
　以上、本発明の一実施形態について説明したが、本発明の硬貨計数システム及び硬貨計数プログラムは上述の実施形態に限定されるものではない。本発明の硬貨計数システム及び硬貨計数プログラムは、その他の様々な形態で実施されることが可能であり、発明の要旨を逸脱しない範囲で、種々の省略、置き換え、変更、追加を行うことができる。 Although one embodiment of the present invention has been described above, the coin counting system and the coin counting program of the present invention are not limited to the above-described embodiment. The coin counting system and the coin counting program of the present invention can be implemented in various other forms, and various omissions, replacements, changes, and additions can be made without departing from the gist of the invention. ..
　例えば、上述の実施形態の硬貨計数システム及び硬貨計数プログラムは、複数のコインチューブ３３を有する硬貨収納カセットに収納されている硬貨の枚数を計数するものであるが、本発明の硬貨計数システム及び硬貨計数プログラムは、これに限定されず、１つのコインチューブを有する硬貨収納カセットに収納されている硬貨の枚数を計数するものであってもよい。 For example, the coin counting system and the coin counting program of the above-described embodiment count the number of coins stored in the coin storage cassette having a plurality of coin tubes 33, and the coin counting system and the coin counting program of the present invention are used. The counting program is not limited to this, and may be one that counts the number of coins stored in the coin storage cassette having one coin tube.
　また、上述の実施形態の硬貨計数システム及び硬貨計数プログラムは、コインチューブ３３を有する硬貨収納カセットに収納されている硬貨の枚数を計数するものであるが、本発明の硬貨計数システム及び硬貨計数プログラムは、これに限定されず、硬貨を積載して収納する硬貨収納部３０に収納されている硬貨の枚数を計数するものであってもよい。このような硬貨収納部３０として、例えば、図１４及び図１５に示すコインケースが挙げられる。この場合、硬貨収納部３０を正面から撮影した画像である硬貨収納部画像に基づいて、硬貨収納部３０に収納されている硬貨の枚数を計数することになる。 Further, the coin counting system and the coin counting program of the above-described embodiment count the number of coins stored in the coin storage cassette having the coin tube 33, and the coin counting system and the coin counting program of the present invention are used. Is not limited to this, and may count the number of coins stored in the coin storage unit 30 for loading and storing coins. Examples of such a coin storage unit 30 include the coin cases shown in FIGS. 14 and 15. In this case, the number of coins stored in the coin storage unit 30 is counted based on the coin storage unit image which is an image of the coin storage unit 30 taken from the front.
１０　硬貨計数システム
　１１　制御部
　１２　ディスプレイ
　１３　操作部
　１４　カメラ
　１５　計数処理部
　１６　カセット情報記憶部
　１７　計数結果記憶部
　１８　通信部
２０　硬貨払出装置
　２１　硬貨払出装置本体
３０　硬貨収納カセット、硬貨収納部
　３１　硬貨収納カセット本体
　３２　コインチューブカバー
　３３　コインチューブ
　３４　ペイアウトスライド
　　３４ａ　硬貨収容孔
　３６　識別マーク
　３７　切り出しマーク
４１　メニュー画面
　４１１　撮影＆計数ボタン部
　４１２　計数結果確認ボタン部
４２　撮影＆計数画面
　４２１　カメラ映像表示部
　　４２１ａ　ガイド枠
　４２２　撮影ボタン部
　４２３　戻るボタン部
４３　計数結果画面
　４３１　計数結果表示部
　４３２　カセット画像表示部
　４３３　戻るボタン部
５０　硬貨払出装置、硬貨収納装置
　５１　硬貨払出装置本体、硬貨収納装置本体
　５２　開閉式カバー
　　５２ａ　枢着部
　５３　引き出し部
９０　外部システム
Ｌ　基準線 10 Coin counting system 11 Control unit 12 Display 13 Operation unit 14 Camera 15 Counting processing unit 16 Cassette information storage unit 17 Counting result storage unit 18 Communication unit 20 Coin payout device 21 Coin payout device body 30 Coin storage cassette, coin storage 31 Coins Storage cassette body 32 Coin tube cover 33 Coin tube 34 Payout slide 34a Coin storage hole 36 Identification mark 37 Cutout mark 41 Menu screen 411 Shooting & counting button part 412 Counting result confirmation button part 42 Shooting & counting screen 421 Camera image display part 421a Guide Frame 422 Shooting button part 423 Back button part 43 Counting result screen 431 Counting result display part 432 Cassette image display part 433 Back button part 50 Coin payout device, coin storage device 51 Coin payout device body, coin storage device body 52 Openable cover 52a Coin 53 Drawer 90 External System L Reference Line

Claims (10)

  1. 　硬貨を積載して収納する硬貨収納部に収納されている硬貨の枚数を計数する硬貨計数システムであって、
    　前記硬貨収納部を正面から撮影した画像である硬貨収納部画像を取得するカメラと、
    　前記硬貨収納部に収納されている硬貨の枚数を、前記硬貨収納部画像に基づいて、計数する計数処理部と、を有し、
    　前記計数処理部は、前記硬貨収納部内の硬貨の積層体の縞模様の縞の数から硬貨枚数を計数するものである
    　硬貨計数システム。     A coin counting system that counts the number of coins stored in the coin storage unit that loads and stores coins.
    A camera that acquires an image of the coin storage unit, which is an image of the coin storage unit taken from the front, and
    It has a counting processing unit that counts the number of coins stored in the coin storage unit based on the image of the coin storage unit.
    The counting processing unit is a coin counting system that counts the number of coins from the number of striped stripes of a laminated body of coins in the coin storage unit.
  2. 　請求項１に記載の硬貨計数システムであって、
    　前記硬貨収納部は、コインチューブを有する硬貨収納カセットであり、
    　前記硬貨収納部画像は、前記硬貨収納カセットを正面から撮影した画像であるカセット画像である
    　硬貨計数システム。     The coin counting system according to claim 1.
    The coin storage unit is a coin storage cassette having a coin tube.
    The coin storage unit image is a cassette image of the coin storage cassette taken from the front, which is a coin counting system.
  3. 　請求項１又は２に記載の硬貨計数システムであって、
    　前記計数処理部は、前記硬貨の積層体の積層方向に延びる基準線を設定し、前記基準線に沿って前記硬貨収納部画像の輝度の微分値を算出し、前記輝度の微分値に基づいて硬貨枚数を計数するものである硬貨計数システム。     The coin counting system according to claim 1 or 2.
    The counting processing unit sets a reference line extending in the stacking direction of the coin stack, calculates a differential value of the brightness of the coin storage unit image along the reference line, and is based on the differential value of the brightness. A coin counting system that counts the number of coins.
  4. 　請求項１から３のいずれか１つに記載の硬貨計数システムであって、
    　さらに、前記硬貨収納部画像を記憶する計数結果記憶部を有する硬貨計数システム。     The coin counting system according to any one of claims 1 to 3.
    Further, a coin counting system having a counting result storage unit that stores the coin storage unit image.
  5. 　硬貨を積載して収納する硬貨収納部に収納されている硬貨の枚数を計数する硬貨計数プログラムであって、
    　前記硬貨収納部を正面から撮影した画像である硬貨収納部画像を取得する硬貨収納部画像取得ステップと、
    　前記硬貨収納部に収納されている硬貨の枚数を、前記硬貨収納部画像に基づいて、計数する計数処理ステップと、を情報処理装置に実行させるものであり、
    　前記計数処理ステップは、前記硬貨収納部内の硬貨の積層体の縞模様の縞の数から硬貨枚数を計数するものである
    　硬貨計数プログラム。     A coin counting program that counts the number of coins stored in the coin storage unit that loads and stores coins.
    A coin storage unit image acquisition step for acquiring a coin storage unit image which is an image of the coin storage unit taken from the front, and
    The information processing device is made to execute a counting process step of counting the number of coins stored in the coin storage unit based on the image of the coin storage unit.
    The counting processing step is a coin counting program for counting the number of coins from the number of striped stripes of a laminated body of coins in the coin storage unit.
  6. 　請求項５に記載の硬貨計数プログラムであって、
    　前記硬貨収納部は、コインチューブを有する硬貨収納カセットであり、
    　前記硬貨収納部画像は、前記硬貨収納カセットを正面から撮影した画像であるカセット画像である
    　硬貨計数プログラム。     The coin counting program according to claim 5.
    The coin storage unit is a coin storage cassette having a coin tube.
    The coin storage unit image is a coin counting program which is a cassette image which is an image of the coin storage cassette taken from the front.
  7. 　請求項５又は６に記載の硬貨計数プログラムであって、
    　前記計数処理ステップは、前記硬貨の積層体の積層方向に延びる基準線を設定し、前記基準線に沿って前記硬貨収納部画像の輝度の微分値を算出し、前記輝度の微分値に基づいて硬貨枚数を計数するものである硬貨計数プログラム。     The coin counting program according to claim 5 or 6.
    In the counting processing step, a reference line extending in the stacking direction of the coin stack is set, a differential value of the brightness of the coin storage portion image is calculated along the reference line, and the differential value of the brightness is used. A coin counting program that counts the number of coins.
  8. 　請求項５から７のいずれか１つに記載の硬貨計数プログラムであって、
    　さらに、前記硬貨収納部画像を計数結果記憶部に記憶する計数結果記憶ステップを情報処理装置に実行させるものである硬貨計数プログラム。     The coin counting program according to any one of claims 5 to 7.
    Further, a coin counting program for causing an information processing apparatus to execute a counting result storage step of storing the coin storage unit image in the counting result storage unit.
  9. 　硬貨収納装置本体と、硬貨収納カセットと、開閉式カバーと、カメラと、を有し、
    　前記硬貨収納カセットは、前記硬貨収納装置本体の正面側に着脱自在に装着され、
    　前記開閉式カバーは、前記硬貨収納装置本体の正面側に設けられ、前記硬貨収納カセットを覆っている閉じた状態と、前記硬貨収納カセットから退避している開いた状態と、をとり、
    　前記カメラは、前記開閉式カバーに、前記開閉式カバーが開いた状態のときに、前記硬貨収納カセットを撮影し、前記硬貨収納カセットの画像を取得することができるように配置される
    　硬貨収納装置。     It has a coin storage device body, a coin storage cassette, an openable cover, and a camera.
    The coin storage cassette is detachably attached to the front side of the coin storage device main body.
    The openable cover is provided on the front side of the coin storage device main body, and takes a closed state of covering the coin storage cassette and an open state of retracting from the coin storage cassette.
    The camera is arranged on the openable cover so that the coin storage cassette can be photographed and an image of the coin storage cassette can be acquired when the openable cover is open. ..
  10. 　請求項９に記載の硬貨収納装置であって、
    　前記カメラは、前記開閉式カバーが開いた状態のとき、前記硬貨収納カセットの床面を延長した面よりも下側に位置するように配置される硬貨収納装置。     The coin storage device according to claim 9.
    The camera is a coin storage device arranged so as to be located below the extended surface of the floor surface of the coin storage cassette when the openable cover is open.
PCT/JP2021/011219 2020-03-24 2021-03-18 Coin counting system, coin counting program, and coin accommodating device WO2021193380A1 (en)

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