WO2012094896A1 - Procédé et dispositif d'identification de billets de banque ou d'autres billets financiers - Google Patents

Procédé et dispositif d'identification de billets de banque ou d'autres billets financiers Download PDF

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Publication number
WO2012094896A1
WO2012094896A1 PCT/CN2011/078791 CN2011078791W WO2012094896A1 WO 2012094896 A1 WO2012094896 A1 WO 2012094896A1 CN 2011078791 W CN2011078791 W CN 2011078791W WO 2012094896 A1 WO2012094896 A1 WO 2012094896A1
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WIPO (PCT)
Prior art keywords
color
banknote
ticket
colored pattern
pattern
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PCT/CN2011/078791
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English (en)
Chinese (zh)
Inventor
陈新
李蒙
赵厚良
唐辉
成和建
鲍东山
Original Assignee
北京新岸线软件科技有限公司
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Publication of WO2012094896A1 publication Critical patent/WO2012094896A1/fr

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    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/20—Testing patterns thereon
    • G07D7/202—Testing patterns thereon using pattern matching
    • G07D7/206—Matching template patterns
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/20—Testing patterns thereon

Definitions

  • the present invention relates to the field of image processing and identification technologies, and in particular, to a banknote and ticket identification method and apparatus. Background technique
  • the detection of the fluorescent characteristics is usually under the illumination of the ultraviolet light source, and the true and false coins have different fluorescence reactions, and the fluorescent fluorescence sensor is used to detect the excited fluorescence.
  • the fluorescent fluorescence sensor is used to detect the excited fluorescence.
  • it is generally CCD, CM0S, etc., and the corresponding equipment is also widely used in various manufacturers' products.
  • the use of programmable color sensors or color sensor arrays allows for accurate quantification of colors, which allows for more accurate identification of the authenticity of banknotes.
  • the color quantized value of one sensor can be analyzed compared to the conventional method, or the color quantized values of each sensor in the sensor array can be combined and analyzed. Therefore, the purpose of large-scale detection and multi-point color analysis is achieved, because the sensor is small in size, thereby simplifying the hardware structure and improving the stability of the system.
  • a sensor is a device that can sense external information and convert it into a usable signal according to certain rules. Simply put, it is a device that converts an external signal into an electrical signal.
  • the sensor consists of a sensing component and a converter. There are many kinds of sensing units, and they are divided into physical, chemical, and biological based on the principle of sensing external information.
  • the physical class is based on physical effects such as force, heat, light, and electricity.
  • the photosensor is mainly composed of photosensitive elements, and currently has a photoresistor, a photodiode, a phototransistor, a photocoupler, a photocell, and the like.
  • the important parameters are: photocurrent. At a certain external voltage, when there is light ( ⁇ ⁇ ⁇ illuminance), the current that receives the photoresistor is called photocurrent.
  • Other parameters are response time, sensitivity, spectral response, illumination characteristics, and more.
  • the photodiode has a plexiglass lens seal and a window that can collect light and a photosurface, so the sensitivity and response time of the photodiode are much better than the photoresist.
  • the photodiode has good linearity, fast response, high sensitivity to a wide range of wavelengths of light, and low noise.
  • the color change characteristic of the color changing ink is detected.
  • two CMOS images are used for the positive side. If the mixing point is required, 8 CMOS is required to complete the above-mentioned mapping function. Then through the image processing algorithm for color extraction, anti-counterfeiting identification. For other color security points, you need to collect the corresponding image to continue processing.
  • the RMB is made of special paper (including more than 85% of high-quality cotton), and the counterfeit banknotes are usually made of bleached plain paper.
  • the bleached paper is exposed to ultraviolet light (blue light with a wavelength of 365). Fluorescence reaction occurs (violation of blue light with a wavelength of 420 - 460 nm is excited by ultraviolet light), and the renminbi has no fluorescence reaction. Therefore, by irradiating the moving banknote with an ultraviolet light source and simultaneously detecting the fluorescence of the banknote with a silicon photocell, it is possible to discriminate whether the banknote is true or false.
  • a color filter having a wavelength that matches the fluorescence reaction wavelength of the counterfeit banknote must be installed on the surface of the silicon photocell.
  • the main problem in this way is that the detection effect has a lot to do with the filtering effect of the color filter. Because there are many sources of counterfeit banknotes, different fake gangs are made based on different materials of different devices, and there is no material consistency. Therefore, the excited fluorescence will inevitably vary with the material inconsistency.
  • the conventional fluorescent sensor color filter is a fixed wavelength, and the fluorescence transmission effect of the same wavelength is inevitable, and the other fluorescence transmission effects of the wavelength change are inevitably deteriorated, which may cause the counterfeit currency to be missed.
  • the banknotes are counterfeited by the detection of fluorescent inks (such as the fluorescent characters on the front side of the fifth edition of the renminbi).
  • fluorescent inks such as the fluorescent characters on the front side of the fifth edition of the renminbi.
  • the imitation of the fluorescent ink printed graphics has a comparison with the real coins.
  • the obvious chromatic aberration produces a fluorescence reaction of different intensity wavelengths, but it needs to be detected by a fluorescent reflection sensor as in the case of detecting the material, but the transmission wavelength of the color filter on the silicon photocell needs to be consistent with the fluorescence reaction wavelength of the real banknote. Therefore, this traditional method cannot flexibly detect the precise range of wavelengths. After the filter is fixed, the range of the detected band has been determined.
  • the fluorescent effect caused by the fouling caused by the circulation of the genuine currency may cause the fluorescent effect to be deteriorated, and at this time, it is easy to cause the misidentification of the genuine currency.
  • the present invention provides a banknote and ticket identification method and apparatus, which can quickly and accurately identify the authenticity of a banknote or a ticket.
  • a banknote and ticket identification method according to an embodiment of the present invention provides a color sensor according to a layout of a banknote and a ticket layout on a predetermined portion of the transport channel; the method includes:
  • the color sensor collects color information in a range of the area where the predetermined colored pattern is on the banknote or the ticket;
  • the authenticity of the banknote or ticket is judged based on the measured color.
  • At least two color sensors are disposed at predetermined locations on the transport path, the at least two color sensors being respectively disposed on both sides of the transport channel, the at least two color sensors respectively from the banknote or ticket
  • the two sides of the collection pass the color information of the area of the banknote or the ticket on the ticket where the colored pattern is located;
  • the color of the colored pattern is measured, specifically:
  • a banknote and ticket identification device provided by an embodiment of the invention includes:
  • a color sensor which is disposed at a predetermined position on the conveying passage according to the layout of the banknote and the ticket, and is used for collecting color information in a range of the area where the predetermined colored pattern is on the banknote or the ticket;
  • the color sensor collects the color information in the region of the colored pattern, and provides the color information to the measuring module;
  • a calculating module configured to calculate a color of the colored pattern based on color information in a range of a region where the colored pattern of the color sensor is collected;
  • the judging module judges the authenticity of the banknote or the ticket according to the measured color.
  • Another banknote and ticket identification device provided by the embodiment of the invention includes:
  • At least two color sensors are disposed at predetermined positions on the conveying passage according to the banknote and the ticket layout, and the at least two color sensors are respectively disposed on both sides of the conveying passage for collecting the banknotes or the ticket Color information within the area of the colored pattern;
  • a calculating module configured to calculate a color of the colored pattern based on color information in a range of a region where the colored pattern of the color sensor is collected;
  • a judging module judging whether the banknote or the ticket is authentic according to the measured color
  • the at least two color sensors collect color information in a range of a region of the banknote or the ticket on the ticket passing through the conveying channel from the two sides of the banknote or the ticket; and the region of the colored pattern in which the enthalpy is collected Color information is sent to the calculation module for calculation to obtain a color of the collected colored pattern; the determining module compares the calculation result with a predetermined colored pattern color, and determines whether there is the same color pattern based on the comparison result. s color.
  • Another banknote and ticket identification device provided by the embodiment of the invention includes:
  • At least one set of color sensors each set comprising two color sensors, respectively disposed on the same side of the transport path, simultaneously collecting banknotes or tickets passing through the transport channel from different angles on the same side of the banknote or ticket Color information in the area of the area where the color ink pattern is on the coupon;
  • a calculating module configured to calculate a color of the color changing ink pattern based on color information in a range of a region of the color changing ink pattern collected by the color sensor;
  • a judging module judging whether the banknote or the ticket is authentic according to the measured color
  • At least two sets of color sensors are disposed on a predetermined portion of the conveying passage, and the at least two sets of color sensors are respectively disposed on both sides of the conveying passage;
  • One of each set of color sensors collects the color information from a first angle ( ⁇ 1), and another color sensor collects the color information from a second angle ( ⁇ 2); wherein the second angle ( ⁇ 2) and the first angle
  • the difference of ( ⁇ 1) is greater than a predetermined value ( ⁇ );
  • the color sensors of each group send the color information in the range of the color ink pattern collected by each group of color sensors to the color calculation module for calculation, and the calculation result is used to determine the color of the color changing ink pattern to determine the banknote or The authenticity of the ticket.
  • the banknote and ticket identification method and apparatus proposed in the embodiment use the color feature of the colored pattern on the banknote or the ticket to identify the banknote or the ticket.
  • the technical solution based on the color detection is simple. Accurate and fast, easy to implement and low cost.
  • FIG. 1 is a flow chart of a method for authenticating a banknote according to Embodiment 1 of the present invention
  • FIG. 2 is a schematic structural diagram of a banknote discriminating device provided in Embodiment 1 of the present invention.
  • FIG. 3 is a schematic view showing the setting of a color sensor according to Embodiment 2 of the present invention.
  • FIGS. 5a and 5b are respectively digital images of fluorescent inks of genuine and counterfeit coins obtained in Embodiment 2 of the present invention
  • FIG. 6 is a schematic structural diagram of still another banknote discriminating device provided in Embodiment 3 of the present invention. detailed description
  • the color of the object usually seen is actually that the surface of the object absorbs a part of the colored component of the white light (daylight) that is irradiated onto it, and the other part of the reflected color reflects the reaction of the colored light in the human eye.
  • White is composed of visible light of various frequencies, that is, white light contains various colors of light (such as red R, yellow ⁇ , green 0, blue ⁇ , B, purple P).
  • the various colors are a mixture of three primary colors (red, green, blue) in different proportions. According to the principle of the three primary colors, if the values of the three primary colors constituting the respective colors are known, the color of the object to be tested can be known.
  • a color filter when a color filter is selected, it only allows a certain primary color to pass, preventing the passage of other primary colors. For example: When the red filter is selected, only red can pass through the incident light, and both blue and green are blocked, so that the intensity of the red light can be obtained. Similarly, by selecting other filters, the blue can be separately obtained. The intensity of shade and green light. With these three values, the color of the light projected onto the color sensor can be analyzed.
  • the required filters are dynamically selected through two programmable pins.
  • a programmable ratio factor (such as 100%, 20%, or 2%) or a power-down mode can also be selected through two programmable pins.
  • the output scaling factor allows the sensor's output to adapt to different measurement ranges and improves its adaptability.
  • banknotes or tickets contain colored patterns (including color changing ink patterns, fluorescent colored patterns), the color features of these colored patterns can be used to identify banknotes or tickets, and the present invention proposes corresponding banknote and ticket identification methods.
  • the device the technical solution based on color detection, the steps are simple, accurate and fast, easy to implement and low in cost.
  • a color sensor is disposed at a predetermined portion on the transport path in accordance with the layout of the banknote layout.
  • a banknote identification method provided by this embodiment includes the following steps:
  • the color sensor collects color information in a region where the predetermined colored pattern is on the banknote;
  • the position of the colored pattern on the banknote can be predetermined, and therefore, the range of the area in which the colored pattern may appear when the banknote to be inspected passes through the conveying path can be roughly determined. As long as the color information in the area is collected, the color information of the predetermined colored pattern on the banknote can be obtained.
  • a plurality of color sensors can be used to form the color sensor array such that the area of the cluster is larger.
  • the color sensor collects the color information in the range of the area. Specifically, the color sensor obtains the values of the three primary colors of the color information, that is, R, G, and B, and provides the data to the calculation module in the form of a digital signal, which is calculated by the calculation module. Color value.
  • each color channel can be quantized into at least 10 binary digits, that is, a conversion precision of 10 bits or more is output. Taking the quantization into a 10-bit binary number as an example, each color channel can be divided into 1024 orders of magnitude, which is very advantageous for accurate measurement of color.
  • the color sensor array Since the values of 1, G, and B can be obtained, the definitions of true and false judgments can be made for each of 1 , G, and B, respectively, based on the actual detection characteristics. Especially for complex colors (eg, with multiple colors), the color sensor array is used to collect color information, which can be finely analyzed and identified by the output signal of the color sensor array.
  • the measured color can be compared with the color of the colored pattern on the genuine coin. If the same or substantially the same, the banknote to be inspected can be determined to be a genuine coin; otherwise, it is a counterfeit currency.
  • step S01 different filters can be selected by controlling the color sensor pins, and different output scale factors can be selected through the control pins to adjust the output frequency range to suit different needs.
  • the color pattern color is green
  • the G in the detected R, G, and B can be judged, and only the green filter is turned on by programming to judge according to the value of G, and it is obvious that the G value of the real coin is large.
  • the counterfeit currency differs from the real coin in that the ink is different from the real coin, so that the G value is relatively It is small, so that when the comparison is made in step S03, the authenticity of the banknote can be discriminated.
  • An embodiment of the present invention further provides a bill discriminating device.
  • the bill discriminating device 200 includes:
  • the color sensor 210 is disposed at a predetermined position on the conveying passage according to the layout of the banknote, and is used for collecting color information in a region of the banknote where the predetermined colored pattern is located;
  • the color sensor collects color information in the range of the region where the colored pattern is located, and provides the measurement module;
  • the calculating module 220 is configured to calculate a color of the colored pattern based on color information in a range of a region where the colored pattern is collected by the color sensor;
  • the determining module 230 determines the authenticity of the banknote based on the measured color.
  • the at least two color sensors constitute a color sensor array.
  • the colored pattern is a pattern formed by using a fluorescent ink, and a pattern of a certain color is displayed under illumination of a predetermined wavelength range; the bill discriminating device 200 further includes:
  • a dedicated light source 240 (not shown) is disposed on the same side of the conveying path as the color sensor for illuminating the area of the colored pattern; if the banknote is illuminated by the dedicated light source, the colored pattern is The color appears.
  • the banknote and ticket identification method and apparatus use the color feature of the colored pattern on the banknote or the ticket to identify the banknote or the ticket.
  • the technical solution based on the color detection is simple. Accurate and fast, easy to implement and low cost.
  • the steps in this embodiment are basically the same as those in the first embodiment, except that in the embodiment, two (or more) color sensors are disposed at predetermined portions on the transport path. As shown in FIG. 3, the two (or more) color sensors are respectively disposed on two sides of the banknote passage, and the two (or more) color sensors are respectively collected from two sides (front and back) of the banknote. Color information in the area of the colored pattern on the banknote of the conveying channel;
  • step S02 of the embodiment of the present invention the color of the colored pattern is measured, which is specifically:
  • the color information is sent to a color calculation module for calculation, and the calculation result is used to determine whether or not there is the same color as the colored pattern.
  • the embodiment further provides a banknote discriminating device.
  • the banknote discriminating device 400 includes: two color sensors 410A, 410B, (may also be provided with a plurality of color sensors as needed) disposed on the transport channel 450 according to the layout of the banknote layout In the upper predetermined position, the two color sensors 410A, 410B are respectively disposed on two sides of the conveying passage, and are used for collecting color information in a range of a region where the predetermined colored pattern is located on the banknote;
  • the calculating module 420 is configured to calculate color of the colored pattern based on color information in a range of a region where the colored pattern is collected by the color sensor;
  • the determining module 430 determines the authenticity of the banknote according to the measured color
  • the two color sensors 41 OA , 410B collect color information in the range of the area where the colored pattern is on the banknote passing through the conveying channel from both sides of the banknote; and transmit the color information in the range of the area where the colored pattern is collected to the measuring module 420
  • the calculation is performed to obtain the color of the collected colored pattern; the judging module 430 compares the calculation result with the colored pattern color, and determines whether there is the same color as the colored pattern based on the comparison result.
  • the colored pattern may be a pattern formed by using a fluorescent ink, and a pattern of a certain color is exhibited under irradiation of light of a predetermined wavelength range.
  • the front side is the colorless fluorescent ink digital information, as shown in Figure 5a. Therefore, a yellow sensor that is excited by ultraviolet light can be detected by a color sensor, as shown in Fig. 5b, a digital image of a fluorescent ink of a counterfeit coin. Because the banknotes are shaking left and right when the banknotes are being taken. Therefore, the position of the fluorescent ink number has a certain range, and fluorescence may not be detected by using a color sensor. Therefore, using a combination of multiple programmable color sensors into a color sensor line array to detect colorless fluorescent inks is fast and accurate.
  • the apparatus 400 further includes:
  • the special light source 440 is configured to emit light of a predetermined wavelength range, and irradiate the area of the colored pattern on the banknote; the banknote irradiated by the special light source 440 has banknotes, so that the color of the colored pattern appears.
  • the color features are quickly identified based on the value of the sensor output.
  • the positive colorless fluorescent ink signal of RMB 100 is yellow fluorescent under ultraviolet light irradiation, and the yellow fluorescent color of the counterfeit currency is not saturated enough to have a significant difference.
  • the back is a colored fluorescent signal, the same The color spectrum of the frontless colorless fluorescent signal is different in pink.
  • Software programming can be used to determine whether the output value is one of the two fluorescent signals.
  • Traditional fluorescent sensors cannot, in principle, perform simultaneous detection of two kinds of fluorescence.
  • color sensors are combined into an array to further improve color detection capabilities.
  • the colored pattern on the banknote is a pattern formed by the color changing ink, which is called a color changing ink pattern.
  • a predetermined color sensor is disposed on a predetermined portion of the transport path (a plurality of color sensors may also be disposed as needed), and the set of color sensors 610a, 610b are disposed on the same side of the transport path, that is, the banknote shown in FIG. Above the channel, the color sensors 610a, 610b simultaneously collect the color information in the range of the color changing ink pattern on the banknote passing through the conveying channel from different angles; when the system starts detecting, the banknote enters the banknote channel, and the color sensors 610a, 610b start.
  • the color information of the color changing ink pattern area on the banknote is collected, the color sensor 610a collects the color information in the range of the coloring ink pattern on the banknote from the first angle ,1, and the other color sensor 610b collects the area from the second angle ⁇ 2
  • the color information in the range wherein the difference between the second angle ⁇ 2 and the first angle ⁇ 1 is greater than a predetermined value ⁇ , and the predetermined value ⁇ is generally not to be less than 60°.
  • the steps of measuring the color of the colored pattern are as follows:
  • the color information in the range of the color ink pattern collected by each set of color sensors is sent to the color calculation module 620 for calculation, whether the color obtained by the color sensors 610a, 610b has a color difference, and the color difference is within a predetermined range to determine the color. Whether the pattern is a pattern generated by using a color changing ink.
  • a bill discriminating device 600 provided by the embodiment includes:
  • At least one set of color sensors wherein the first group includes two color sensors 610a, 610b, respectively disposed above the banknote channel, and simultaneously discoloring the banknotes passing through the transport channel from different angles on the same side of the banknote Color information within the area of the ink pattern;
  • the measuring module 620 is configured to measure color of the color changing ink pattern based on color information in a range of a region of the color changing ink pattern collected by the color sensor;
  • the determining module 630 determines the authenticity of the banknote according to the measured color
  • two sets of color sensors may be disposed at predetermined locations on the transport path, the two sets of color sensors being respectively disposed on both sides of the transport channel; as shown in FIG. 6, the first set of color sensors 610a, 610b is located above the banknote passage, and the second group of color sensors 610c, 610d are located below the banknote passage, respectively, and color signals in the range of the area where the color-changing ink pattern is collected from both sides of the banknote Interest rate
  • the color sensor 610a collects the color information in the range of the area where the color changing ink pattern is on the banknote from the first angle ,1, and the other color sensor 610b collects the color information in the range of the area from the second angle ;2; wherein the second angle ⁇ 2 and The difference of the first angle ⁇ 1 is greater than a predetermined value ⁇ , which should normally be not less than 60. .
  • the second set of color sensors 610c, 610d also operate in a manner similar to the first set of color sensors 610a, 610b, respectively concentrating color information within the area.
  • Each group of color sensors sends the color information in the range of the colored pattern collected by each group of color sensors to the color calculation module 620 for calculation, and obtains the color values of the colored patterns acquired from different angles; the determining module 630 calculates according to the color As a result, the color of the color changing ink pattern is judged, that is, whether the color obtained by the color sensors 610a, 610b has a color difference, and the color difference is within a predetermined range to determine whether the colored pattern is a pattern generated by the color changing ink, thereby determining the authenticity of the banknote. .
  • the first angle ⁇ 1 is 90.
  • the color sensor 610a collects the color information of the color changing ink pattern on the banknote from an angle perpendicular to the banknote layout, and the other color sensor 610b collects the color information in the range of the area at an oblique angle.
  • each color channel of the color sensor can output a conversion accuracy of more than 10 bits, taking 10 bits as an example, Divide each color channel into 1024 levels. Very good for accurate measurement of color.
  • the senor outputs a digital signal that can drive a standard TTL or CMOS logic input so it can be directly connected to a microprocessor or other logic. There is no need for an A/D conversion circuit, making the overall circuit of the system simpler. Different color filters can be selected by controlling the color sensor pins, and different output scale factors can be selected by the control bow to adjust the output frequency range, and the adaptability is strong. Since the price of programmable color sensors is much lower than the price of CM0S and CI S, color sensors can significantly reduce the cost of the system.
  • the banknote identification algorithm can be flexibly customized. Since the values of R, G, and B can be obtained, the definitions of true and false judgments can be made for R, G, and B respectively or according to the actual detection characteristics. Especially for the color sensor array output, it is possible to perform complex color analysis to achieve accurate identification.
  • the hardware complexity of the detection of the color features of the traditional financial instruments can be solved, and the color feature detection by the imaging schemes such as CMOS and CI S is a mature solution in the industry, and most devices also use such devices for anti-counterfeiting detection. Due to the relatively large size of such equipment, the circuit control is complicated, and it will bring a system construction. The complexity. Simple and fast detection of certain color features with programmable color sensors. In the visual system construction, it has simplified the system and achieved the corresponding detection effect.
  • the color detection system is quickly set up, especially for the purpose of rapid detection of features with color-changing effects, such as color-changing ink features, laser holographic anti-counterfeiting marks, and the like.
  • the detection range is increased and the amount of color information collected is increased, thereby improving the detection capability of the system.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)

Abstract

L'invention porte sur un procédé et un dispositif d'identification de billets de banque ou d'autres billets financiers. Le dispositif comporte un capteur de couleur à une position prédéterminée sur un canal de transport selon la disposition des billets de banque ou autres billets financiers. Le procédé comprend les étapes suivantes : le capteur de couleur acquiert des informations de couleur dans la zone d'un motif coloré prédéterminé des billets de banque ou autres billets financiers lorsque les billets de banque ou autres billets financiers à détecter passent à travers le canal de transport ; la couleur du motif coloré est mesurée et calculée sur la base des informations de couleur acquises dans la zone du motif coloré ; l'authenticité des billets de banque ou autres billets financiers est déterminée selon la couleur mesurée et calculée. Le procédé peut identifier les billets de banque ou autres billets financiers par utilisation de la caractéristique de couleur du motif coloré sur les billets de banque ou autres billets financiers ; le procédé est simple, précis et rapide ; et il est facile à réaliser et économique.
PCT/CN2011/078791 2011-01-12 2011-08-23 Procédé et dispositif d'identification de billets de banque ou d'autres billets financiers WO2012094896A1 (fr)

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CN107221068A (zh) * 2017-06-23 2017-09-29 深圳怡化电脑股份有限公司 一种票据鉴伪装置及方法

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CN102024286A (zh) * 2011-01-12 2011-04-20 北京新岸线软件科技有限公司 一种纸币、票券的鉴别方法及装置
CN102509381A (zh) * 2011-11-11 2012-06-20 南京理工速必得科技股份有限公司 一种检测人民币纸币光变油墨的方法及装置
JP6009992B2 (ja) * 2013-06-03 2016-10-19 日立オムロンターミナルソリューションズ株式会社 紙葉類識別装置および光学センサ装置
CN108074317A (zh) * 2018-02-05 2018-05-25 浙江然鹏电子有限公司 一种检验纸币颜色的点验钞机及其控制系统
CN108646651A (zh) * 2018-08-08 2018-10-12 苏州宝莲灯机器人有限公司 一种基于颜色序列识别的机器设备控制系统及其操作方法

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