CN212135475U - Laser anti-counterfeit label - Google Patents
Laser anti-counterfeit label Download PDFInfo
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- CN212135475U CN212135475U CN202020342908.1U CN202020342908U CN212135475U CN 212135475 U CN212135475 U CN 212135475U CN 202020342908 U CN202020342908 U CN 202020342908U CN 212135475 U CN212135475 U CN 212135475U
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Abstract
The utility model provides a radium-shine antifalsification label, include radium-shine layer and locate bar code layer on the radium-shine layer. The utility model discloses an antifalsification label has the irreproducibility, utilizes radium-shine material's photosensitive characteristic, can get rid of and print, color printing produce false label.
Description
Technical Field
The utility model relates to an anti-fake technical field especially relates to a radium-shine antifalsification label.
Background
In recent years, the number of counterfeit and shoddy goods is increasing, and certain interference is generated to people's life, so various anti-counterfeiting technologies are continuously appeared and rapidly developed, such as laser holography, watermarking, code technology, digital coding, one-dimensional code, two-dimensional code, RFID and the like. In order to achieve the anti-counterfeiting purpose, the anti-counterfeiting label must have the characteristics of non-copying, non-reuse and non-peeling.
The traditional one-object-one-code two-dimensional code anti-counterfeiting system is characterized in that two-dimensional code scanning software is used for scanning two-dimensional codes of anti-counterfeiting labels, the scanning software analyzes the two-dimensional code data, the two-dimensional code data is generally formed by adding anti-counterfeiting codes to a webpage link, then, the webpage is jumped to the webpage according to the webpage link address, and webpage background software calls a database according to anti-counterfeiting code parameters for verification. The commodity is not allowed to be scanned before being sold, and once the commodity is scanned, the commodity cannot be scanned any more, otherwise, whether the commodity is genuine or not cannot be judged. In addition, the existing two-dimensional code anti-counterfeiting system is easy to copy, and the anti-counterfeiting effect is greatly reduced.
Disclosure of Invention
The utility model aims at solving the above problem, provide a scheme that improves a thing sign indicating number antifalsification label antifalsification. The utility model discloses a print miniature bar code in order to improve antifalsification of antifalsification label on laser film, provide following technical scheme:
the utility model provides a radium-shine antifalsification label, include radium-shine layer with set up in bar code layer on the radium-shine layer, the bar code layer has the figure identification code.
Preferably, the laser layer is laser paper, a laser film, a laser resin layer or a laser gurley layer.
Preferably, the laser resin layer comprises a resin layer and laser particles embedded in the resin layer.
Preferably, the laser grignard layer comprises a cloth base and a resin layer arranged on the cloth base, and laser particles are embedded between the cloth base and the resin layer.
Preferably, the laser particles are polyethylene terephthalate, polyvinyl chloride, o-phenylphenol or non-setting adhesive substrates with laser characteristics on the surfaces.
Preferably, the shape of the laser particles is one or more of circular, triangular, trapezoidal, square, linear, hexagonal, rhombic or irregular.
Preferably, the graphic identification code may be a one-dimensional code or a two-dimensional code or other graphic identification code that can store information and be recognized by the terminal SDK.
Preferably, the size of the graphic identification code is (0.5cm × 0.5cm) to (1cm × 1 cm).
Preferably, laser anti-counterfeit label still includes fragile layer, laser layer sets up on fragile layer.
Preferably, the frangible layer is a frangible paper or a heavy backsize.
Preferably, the laser anti-counterfeit label further comprises a film coating layer, and the film coating layer covers the surface of the bar code layer.
The utility model also provides a radium-shine antifalsification label's manufacturing method, a serial communication port, including following step:
1) manufacturing a laser layer;
2) and arranging the bar code layer on the laser layer in a digital printing, code spraying printing, carbon ribbon printing or laser code engraving mode.
Preferably, the laser layer in step 1) is a laser resin layer, and the laser resin layer is prepared by the following steps: and uniformly mixing the resin and the laser particles, coating the mixture on a release substrate, then gelling and plasticizing, embossing and cooling, and finally removing a finished product from the release substrate to obtain the laser resin layer.
Preferably, the laser layer in step 1) is a laser gritt layer, and the manufacturing method of the laser gritt layer includes: randomly scattering laser particles on a cloth substrate, coating resin on the cloth substrate, gelatinizing and plasticizing, and finally embossing and cooling to obtain the laser Grignard layer.
The utility model also provides a pseudo-method is verified in radium-shine antifalsification label's discernment, including following step:
s1, scanning and uploading bar code layer information of the commodity;
s2, receiving and analyzing the bar code layer information to obtain an anti-counterfeiting webpage address and a commodity ID;
s3, jumping to an anti-counterfeiting page according to the anti-counterfeiting webpage address, inquiring a database according to the commodity ID parameter, and verifying the validity of the commodity ID;
s4, if the commodity ID is valid, the laser anti-counterfeiting label is rotationally scanned, whether the color change of the laser anti-counterfeiting label accords with the color change rule of the laser anti-counterfeiting label is judged, if the color change rule of the laser anti-counterfeiting label accords with the color change rule of the laser anti-counterfeiting label, the commodity is judged to be a genuine product, and if the commodity does not change color or does not accord with the color change rule of the commodity, the counterfeit detection fails; and if the commodity ID is invalid, the verification fails.
Preferably, the step S2 further includes receiving seed information corresponding to the barcode layer information, where the seed information includes texture feature information of the laser anti-counterfeit label and shape features and area features of the laser anti-counterfeit label; the step S4 further includes: and collecting a laser anti-counterfeiting label image, comparing the characteristics of the seed information and the laser anti-counterfeiting label image, and judging whether the characteristics of the laser anti-counterfeiting label image accord with the characteristics of the seed information.
Preferably, in step S4, whether the laser anti-counterfeit label changes color is determined through analysis of a VIBE algorithm, a gaussian mixture model or a deep learning model.
The utility model discloses the beneficial effect that can obtain does:
1. the utility model discloses a radium-shine antifalsification label has the reproducibility not, utilizes radium-shine material's photosensitive characteristic promptly radium-shine material to have specific colour change, can get rid of and print, the color printing produces false label.
2. The utility model discloses a radium-shine antifalsification label has the irreproducibility, consequently can be checked pseudo-by scanning many times, still can guarantee that commodity is genuine.
3. The utility model discloses a radium-shine antifalsification label sets up miniature sign indicating number on radium-shine layer, and this kind of miniature sign indicating number has increased the printing degree of difficulty, can lead to the defective rate to improve greatly because the precision is insufficient when imitating with traditional printing mode, has increased the cost of making the fake to a certain extent.
4. The utility model discloses a radium-shine antifalsification label's manufacturing method, the principle is simple, and is easy and simple to handle, but large-scale production and application.
5. The utility model discloses a pseudo-method is tested in discernment, principle step is simple, and maneuverability is strong.
Drawings
Fig. 1 is a schematic structural diagram of a laser anti-counterfeit label according to a preferred embodiment of the present invention;
fig. 2 is a schematic structural view of another laser anti-counterfeit label according to a preferred embodiment of the present invention;
fig. 3 is a schematic cross-sectional structure view of a laser layer according to a preferred embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of another laser layer according to a preferred embodiment of the present invention;
fig. 5 is a flowchart of an identification and counterfeit detection method for a laser anti-counterfeit label according to a preferred embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the preferred embodiment of the present invention provides a laser anti-counterfeit label, which comprises a laser layer 2 and a bar code layer 1 disposed on the laser layer 2, wherein the bar code layer 1 has a graphic identification code 11. The utility model discloses an antifalsification label has the reproducibility not, utilizes radium-shine material's photosensitive characteristic promptly radium-shine material to have specific colour change, can get rid of and print, the color printing produces false label. The utility model discloses an antifalsification label has the irreproducibility, consequently can be checked pseudo-by scanning many times, still can guarantee that commodity is genuine.
In this embodiment, the laser layer 2 may be a laser paper, a laser film, a laser resin layer, or a laser gurley layer. The laser paper and the laser film are of two-dimensional laser structures, have specific color change and are good in anti-counterfeiting performance. The laser resin layer or the laser Grignard layer is of a three-dimensional laser structure, the laser materials are randomly distributed on the resin or the Grignard layer, the complexity of laser patterns is higher, the laser patterns have the characteristic of being incapable of being copied, and the anti-counterfeiting effect is better.
As shown in fig. 3, in the present embodiment, the laser resin layer includes a resin layer 21 and laser particles 22 embedded in the resin layer 21.
As shown in fig. 4, in the present embodiment, the laser resin layer includes a resin layer 21 and laser particles 22 embedded in the resin layer 21. in the present embodiment, the laser gritt layer includes a cloth base 23 and the resin layer 21 disposed on the cloth base 23, and the laser particles 22 are embedded between the cloth base 23 and the resin layer 21.
The laser particles 22 may be polyethylene terephthalate, polyvinyl chloride, o-phenylphenol, or a pressure sensitive adhesive substrate with laser characteristics on the surface, but not limited thereto.
The shape of the laser particles 22 may be one or more of circular, triangular, trapezoidal, square, linear, hexagonal, rhombic, or irregular, but is not limited thereto.
In the present embodiment, the graphic identification code 11 may be a one-dimensional code or a two-dimensional code or other graphic identification codes that can store information and can be recognized by the terminal SDK, but is not limited thereto. The graphic identification code 11 in the barcode layer 1 stores information such as tag ID and company website information, which can be identified by the terminal SDK, and acquires corresponding seed information according to the graphic identification code information.
In this embodiment, the graphic identification code 11 is set to be (0.5cm × 0.5cm) to (1cm × 1cm), such a micro code increases the printing difficulty, and the defect rate is greatly increased due to insufficient precision when the conventional printing method is used for imitation, thereby increasing the cost of counterfeiting to a certain extent. The size of the graphic identification code 11 is set to be (0.5cm × 0.5cm) - (0.8cm × 0.8cm), the anti-counterfeiting performance is better, and especially, the anti-counterfeiting performance is best when the size of the graphic identification code 11 is set to be (0.5cm × 0.5 cm). When the laser layer 2 adopts laser paper or a laser film, the graphic identification code 11 in the barcode layer 1 should be set to (0.5cm × 0.5cm) - (0.8cm × 0.8cm), the anti-counterfeiting performance is enhanced by increasing the printing difficulty, and especially the anti-counterfeiting performance is optimal when the size of the graphic identification code 11 is set to (0.5cm × 0.5 cm).
In this embodiment, the laser anti-counterfeit label further includes a fragile layer 3, and the laser layer 2 is disposed on the fragile layer 3. Breakable layer 3 makes the utility model discloses an antifalsification label has can not follow the characteristics that the commodity was complete to be peeled off, can not be recycled after pasting, has further strengthened the utility model discloses an antifalsification label's antifalsification performance.
Wherein, fragile layer 3 can adopt fragile paper, and tensile strength is very low, very easily broken. At the moment, the laser layer 2 and the fragile layer 3 can be connected together in a bonding, hot melting and other modes, the bonding liquid can be selected from water glue, oil glue, non-setting adhesive, UV glue, light oil and the like, and the bonding liquid is solidified in a thermosetting or ultraviolet curing mode to form a bonding layer; wherein, chooseing for use UV glue that solidification speed is fast can improve antifalsification label preparation efficiency.
The fragile layer 3 can also adopt strong back glue, the release paper for protecting the strong back glue is taken down, and the release paper can be stuck to the commodity needing anti-counterfeiting or the key position of the package of the commodity, so that the binding with the commodity is realized. When the laser anti-counterfeiting label is taken down, the laser layer 2 is damaged due to the action of mechanical stripping force and cannot be recovered; especially, the three-dimensional random laser patterns of the laser resin layer or the laser Grignard layer can be randomly damaged and cannot be recovered due to the action of mechanical stripping force, so that the label is self-destructed and cannot be reused, and the anti-counterfeiting purpose is achieved. When necessary, the transparent strong gum can be selected, laser powder (or other doping powder) is doped in the transparent anti-counterfeiting gum, the laser powder and inherent laser particles in the laser anti-counterfeiting label (laser resin layer) form a three-dimensional random laser pattern together, the laser powder can fall off or move inevitably when the label is separated from a commodity, and the subsequent counterfeit detection failure can be caused by the change, so that the anti-counterfeiting characteristic of the laser anti-counterfeiting label is further improved.
In this embodiment, the surface of the barcode layer 1 may be further covered with a coating layer 4. The anti-counterfeiting label with the random laser particle pictures and texts is formed by the steps of coating the film layer 4 with the random laser particles and the bar code layer. The anti-counterfeit label is coated with the film on the surface and mainly used for protecting the ink on the bar code layer from falling off, protecting laser particles from falling off and preventing the label from being scraped and waterproof, so that the service life of the anti-counterfeit label is prolonged, and the attractiveness of the label is improved. Wherein the coating adopts a cold compress, hot compress or bonding mode, and the material of the coating can be polyethylene terephthalate (PET), o-phenylphenol (OPP), thermoplastic polyurethane elastomer (TPU) and the like; the film coating layer is made of the TPU film with the best effect, is an environment-friendly material and has high tension, toughness and aging resistance.
When the laser anti-counterfeiting label is used, images are shot at different angles, visible quasi-dynamic characteristic information is extracted, and after target commodities are bound, the quasi-dynamic information and the commodity information of the laser anti-counterfeiting label are uploaded simultaneously, so that the label anti-counterfeiting data cannot be tampered by merchants, label manufacturers and consumers.
The preferred embodiment of the utility model also provides a preparation method of radium-shine antifalsification label, including following step:
1) manufacturing a laser layer 2;
2) the bar code layer 1 is arranged on the laser layer in a digital printing, code spraying printing, carbon ribbon printing or laser code engraving mode.
The utility model discloses a bar code layer is located radium-shine layer through digital printing, spout the mode that yard printing, carbon ribbon printed or the sign indicating number is carved to laser to be not limited to this. The color of the ink may be black or other colors, but is not limited thereto. The utility model discloses a radium-shine antifalsification label's manufacturing method, the principle is simple, and is easy and simple to handle, but large-scale production and application.
In this embodiment, when the laser layer 2 in the laser anti-counterfeit label is laser paper or a laser film, the manufacturing method thereof is as follows: the whole laser paper or laser film is cut according to the size of the laser anti-counterfeit label, and the laser paper or laser film can be manufactured before the bar code layer is arranged or after the bar code layer is arranged, but the laser anti-counterfeit label is not limited to the manufacturing process.
In this embodiment, when the laser layer 2 in the laser anti-counterfeit label is a laser resin layer, the manufacturing method thereof is as follows: and uniformly mixing the resin and the laser particles, coating the mixture on a release substrate, then gelling and plasticizing, embossing and cooling, and finally removing a finished product from the release substrate to obtain the laser resin. The release substrate may be a PE release film, a PET release film, an OPP release film, or a composite release film (i.e., the substrate is formed by combining two or more materials), but is not limited thereto. The coating method may be brush coating, spray coating, roll coating, etc., but is not limited thereto.
In this embodiment, when the laser layer 2 in the laser anti-counterfeit label is a laser gurley layer, the manufacturing method thereof is as follows: randomly scattering laser particles on a cloth substrate, coating resin on the cloth substrate, gelatinizing and plasticizing, and finally embossing and cooling to obtain the laser Grignard. The coating method may be brush coating, spray coating, roll coating, etc., but is not limited thereto.
The resin of the laser resin layer or the laser gritt layer may be PU (polyurethane), PVC (polyvinyl chloride), polypropylene (PP), Polycarbonate (PC), NYLON (NYLON), Polyetheretherketone (PEEK), or Polyethersulfone (PES), but is not limited thereto. The gelation and plasticization are to polymerize and plasticize the laser resin or the resin in the laser gritt in a plasticizing box by using a gas, light or heat method, but not limited thereto.
The laser particles of the laser resin layer or the laser gritt layer may be laser powder, laser rays, laser sheets, laser blocks, and the like, but are not limited thereto. The material of the laser particles may be a polyethylene terephthalate (PET) substrate, or a polyethylene terephthalate (PET) substrate with laser characteristics on the surface, polyvinyl chloride (PVC), o-phenylphenol (OPP) or a self-adhesive substrate, but is not limited thereto.
The shapes of the laser particles may be the same or a combination of two or more shapes. Wherein, the shape of the laser particles can be one or two of regular or irregular shapes such as round, triangle, trapezoid, square, linear, hexagon, rhombus and the likeThe laser particles can be in any shape, the complexity of the anti-counterfeiting label is enhanced by combining various shapes, and the anti-counterfeiting effect is enhanced by combining the three-dimensional characteristics of the laser particles. The shapes of the laser particles are at least three, the more the laser particles are, the more complex the formed random laser pattern is, and the better the anti-counterfeiting performance is; when the distance is between 1 and 5cm2Within the range, the number of the laser particles is more than or equal to 45 and less than or equal to 100, the laser particles are uniformly distributed in the laser resin or the laser Grignard, the manufacturing cost is lower, and the anti-counterfeiting effect is better.
The utility model discloses laser resin layer or laser gritt layer that laser antifalsification label's manufacturing method of preferred embodiment obtained, the complexity of three-dimensional random laser pattern is high, and laser orientation on every granule is random, the dispersion position of granule also is random, and these granules form chaos form in laser resin or laser gritt random distribution, have the characteristic that can't duplicate.
As shown in fig. 5, the utility model also provides a pseudo-method is tested in discernment of radium-shine antifalsification label, include following step:
s1, scanning and uploading bar code layer information of the commodity;
s2, receiving and analyzing the bar code layer information to obtain an anti-counterfeiting webpage address and a commodity ID;
s3, jumping to an anti-counterfeiting page according to the anti-counterfeiting webpage address, inquiring a database according to the commodity ID parameter, and verifying the validity of the commodity ID;
s4, if the commodity ID is valid, the laser anti-counterfeiting label is rotationally scanned, whether the color change of the laser anti-counterfeiting label accords with the color change rule of the laser anti-counterfeiting label is judged, if the color change rule of the laser anti-counterfeiting label accords with the color change rule of the laser anti-counterfeiting label, the commodity is judged to be a genuine product, and if the commodity does not change color or does not accord with the color change rule of the commodity, the counterfeit detection fails; and if the commodity ID is invalid, the verification fails.
In this embodiment, the graphic identification code in the barcode layer is a two-dimensional code. The method comprises the steps that a laser anti-counterfeit label image is collected through a camera of a terminal, a graph identification code in a bar code layer is identified through ZBar Sdk, data stored in the bar code layer, namely bar code layer information, is obtained, the bar code layer information is uploaded to a server, the server analyzes the bar code layer information according to the bar code layer information to obtain an anti-counterfeit webpage address and a commodity ID, the terminal jumps to an anti-counterfeit webpage address according to the anti-counterfeit webpage address, a database is inquired according to the commodity ID parameter for comparison, and the validity of the commodity ID is verified. If the commodity ID is valid, the terminal rotationally scans the laser anti-counterfeit label, a plurality of laser anti-counterfeit label images at different angles are collected, the server calculates the laser anti-counterfeit label images through an image algorithm, whether the color change of the laser anti-counterfeit label accords with the color change rule of the laser anti-counterfeit label is judged, if the color change rule of the laser anti-counterfeit label accords with the color change rule, the commodity is judged to be a genuine product, and the code scanning time and the code scanning location are written into a database; if the commodity does not change color or does not accord with the color change rule, the verification fails, namely the information that the commodity is not a genuine commodity is displayed; if the commodity ID is invalid, the verification fails, that is, the commodity is not genuine. The utility model discloses a method not only can realize radium-shine antifalsification label's true and false judgement and show and verify the fake result, can also show according to the product information of bar code layer information inquiry commodity that uses this radium-shine antifalsification label, realizes the commodity effect of tracing to the source. The utility model discloses a pseudo-method is tested in discernment, principle step is simple, and maneuverability is strong.
In this embodiment, in step S4, whether the laser anti-counterfeit label will change color is determined through analysis of the VIBE algorithm, the gaussian mixture model or the deep learning model, which is not limited to this.
The principle of the VIBE algorithm is as follows: collecting a plurality of (for example, 3) laser anti-counterfeit label images, accumulating the color change area by using a video frame, and judging that the color is changed if the area exceeds a set threshold value. The VIBE algorithm is common knowledge in the art, and the detailed description of the calculation process is not repeated here.
In this embodiment, the step S2 further includes receiving seed information corresponding to the barcode layer information, where the seed information includes texture feature information of the laser anti-counterfeit label and shape features and area features of the laser anti-counterfeit label; the step S4 further includes: and collecting a laser anti-counterfeiting label image, comparing the characteristics of the seed information and the laser anti-counterfeiting label image, and judging whether the characteristics of the laser anti-counterfeiting label image accord with the characteristics of the seed information.
Wherein, when radium-shine layer adopted radium-shine resin or radium-shine gurit, it is right the utility model discloses a radium-shine antifalsification label when gathering, along with observation angle or the change of gathering the angle, corresponding dynamic change can all take place for information such as colour, luminance and the visible edge of three-dimensional radium-shine pattern at random for this radium-shine antifalsification label has complicated accurate dynamic characteristics. Therefore, the color change rule of the laser anti-counterfeiting label is analyzed and judged, the quasi-dynamic characteristics of the laser anti-counterfeiting label are analyzed and compared, and the anti-counterfeiting performance of the laser anti-counterfeiting label is further improved. When the laser layer adopts laser paper or a laser film, the laser layer does not have the quasi-dynamic characteristic, and only needs to judge whether the color change of the laser anti-counterfeiting label conforms to the color change rule or not, and the step is not needed.
The type of the server is not limited herein, and the seed information is stored and called by using a cloud server in the embodiment. And predefining seed information, wherein the seed information comprises texture characteristic information of laser patterns in the laser anti-counterfeiting label, and area characteristics and shape characteristics of the laser anti-counterfeiting label. The texture characteristic information and the color change characteristic of the laser pattern are both quasi-dynamic characteristic information of the laser anti-counterfeiting label; after the laser anti-counterfeit label is bound with the commodity, the binding relationship between the seed information of the laser anti-counterfeit label and the two-dimensional code information, the seed information of the laser anti-counterfeit label and the product information of the commodity are uploaded to a cloud server (or a block chain) for storage.
Specifically, the seed information and the laser anti-counterfeit label image are used for feature comparison, and the method comprises the following steps:
s1, preprocessing the laser anti-counterfeiting label image, and extracting the outline of the preprocessed laser anti-counterfeiting label image to obtain a candidate outline set;
s2, extracting an anti-counterfeiting area from the candidate contour set, and correcting the anti-counterfeiting area;
and S3, comparing the corrected anti-counterfeiting area with the seed information by texture features.
The laser anti-counterfeiting label image preprocessing method comprises the following steps: and converting the laser anti-counterfeiting label image into a gray image by using an MATLAB function rgb2gray (). And (3) performing contour extraction on the preprocessed laser anti-counterfeiting label image, namely performing edge detection on the gray image, and realizing by adopting an MATLAB edge detection operator, wherein the edge detection algorithm can adopt a Sobel operator, a Canny operator, a Prewitt operator, a Roberts operator, a Laplacian operator and the like.
Taking Canny operator as an example, the step of carrying out edge detection on the gray level image comprises the following steps:
step1, smoothing the image with a Gaussian filter;
step2, calculating the magnitude and direction of the gradient by using finite difference of first order partial derivatives;
step3, carrying out non-maximum suppression on the gradient amplitude;
step4 edges are detected and connected using a dual threshold algorithm.
And extracting the contour (edge) of each laser pattern in the laser anti-counterfeiting label image by using an edge detection algorithm to form a candidate contour set.
And extracting the anti-counterfeiting area from the candidate contour set according to the shape feature and the area feature of the laser anti-counterfeiting label recorded by the seed information.
And correcting the anti-counterfeiting area through affine transformation to enable the anti-counterfeiting area to be a standard rectangle.
And comparing the texture information contained in the corrected anti-counterfeiting area with the texture information in the seed information to obtain a texture characteristic comparison result.
The utility model discloses an in other embodiments, can change the colour of the radium-shine antifalsification label image of analysis multiframe to judge whether the process that accords with the colour change characteristic of this radium-shine antifalsification label is put before the process is compared to the textural feature, before obtaining the textural feature comparison result, preferentially carry out the judgement of colour change characteristic.
The method comprises the following steps of analyzing the color change of a plurality of frames of laser anti-counterfeiting label images, and judging whether the color change characteristics of the laser anti-counterfeiting label are met, wherein the method comprises the following steps:
s1, obtaining a laser anti-counterfeiting label image, and converting the laser anti-counterfeiting label image into an HSV color space;
s2, recording HSV color space of the multi-frame laser anti-counterfeiting label image, analyzing the color change of each pixel in the multi-frame laser anti-counterfeiting label image, and when the number and distribution of the pixels with the color change meet set conditions, conforming to the color change characteristics of the laser anti-counterfeiting label, otherwise, not conforming to the color change characteristics, and obtaining a color change characteristic judgment result. That is, the process is to judge whether the color change characteristics of the laser anti-counterfeit label meet the laser rules of the laser material used by the laser anti-counterfeit label.
In other embodiments of the utility model, can also convert radium-shine antifalsification label image into CMYK color space, HSL color space or HSB color space, then the colour change of every pixel in the radium-shine antifalsification label image of multiframe is analyzed again.
If the texture feature comparison can match the texture features recorded in the seed information and the color change features meet set conditions, displaying a result of passing the verification, inquiring product information of the commodity using the laser anti-counterfeiting label according to the two-dimensional code information, and displaying to realize the commodity tracing function; on the contrary, if the texture feature comparison fails to match the texture feature described in the seed information or the color change feature does not satisfy the set condition, the result that the verification fails, that is, the information that the product is not genuine is displayed to the consumer through the terminal.
The method for analyzing the color change of the multi-frame laser anti-counterfeiting label image specifically comprises the following steps: analyzing the color change of each pixel in the multi-frame laser anti-counterfeit label image, and analyzing the color change through a VIBE algorithm, a Gaussian mixture model or a deep learning model to obtain the color change rule of the laser anti-counterfeit label, namely the laser rule of the laser anti-counterfeit label.
In this embodiment, a CNN (convolutional neural network) + LSTM (long-short term memory network) deep learning model is selected to summarize the color change rule (color change characteristic) of the laser anti-counterfeit label image, when the color change characteristic meets a set condition, the color change characteristic is judged to be met, otherwise, the color change characteristic is not met, the set condition is self-defined according to an actual situation, the set condition can be a self-defined corresponding threshold value, that is, the CNN + LSTM deep learning model is used to judge the authenticity of the laser anti-counterfeit label through training, so as to obtain the laser rule of the laser anti-counterfeit label. The CNN + LSTM deep learning model is a machine learning model, and is a relational model obtained by a computer performing machine learning, teaching learning, analogy learning, case learning, or the like based on sample data. The more that sample data, the relation model that machine learning obtained is also more accurate, and the summary obtains the used radium-shine material's of radium-shine antifalsification label colour change law promptly in this example can be more accurate, and radium-shine material's change law obtains through iterative training many times, consequently the utility model discloses obtain radium-shine antifalsification label image the frame number is more (the quantity is more), obtains radium-shine antifalsification label image's colour change characteristic through the study summary more accurate. The model training using CNN + LSTM is common knowledge in the art, and the detailed description of the training process is not repeated herein.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. The utility model provides a radium-shine antifalsification label, its characterized in that, include radium-shine layer (2) and set up in bar code layer (1) on radium-shine layer (2), the bar code layer has graphic identification code (11), radium-shine layer (2) are radium-shine resin layer or radium-shine guride layer, radium-shine resin layer includes resin layer (21), resin layer (21) inlay and are equipped with radium-shine granule (22), radium-shine guride layer include cloth base (23) and set up in resin layer (21) on cloth base (23), radium-shine granule (22) have been inlayed between cloth base (23) and resin layer (21).
2. The laser anti-counterfeiting label according to claim 1, wherein the laser particles (22) are polyethylene terephthalate, polyvinyl chloride, o-phenylphenol or self-adhesive substrates with laser characteristics on the surfaces.
3. The laser anti-counterfeiting label according to claim 1, wherein the laser particles (22) have one or more of a circular shape, a triangular shape, a trapezoidal shape, a square shape, a linear shape, a hexagonal shape, a rhombic shape or an irregular shape.
4. The laser anti-counterfeiting label according to claim 1, wherein the graphic identification code (11) is a graphic identification code which can store information and can be identified by a terminal SDK.
5. The laser anti-counterfeit label of claim 1, wherein the size of the graphic identification code is (0.5cm x 0.5cm) to (1cm x 1 cm).
6. The laser anti-counterfeiting label according to claim 1, further comprising a fragile layer (3), wherein the laser layer (2) is disposed on the fragile layer (3).
7. The laser anti-counterfeiting label according to claim 1, further comprising a film-coated layer (4), wherein the film-coated layer (4) covers the surface of the barcode layer (1).
Priority Applications (1)
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| CN114219056A (en) * | 2021-12-17 | 2022-03-22 | 杭州沃朴物联科技有限公司 | False distinguishing method of line laser label |
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