WO2019218624A1 - 一种微细扩散印迹的防伪识别方法 - Google Patents

一种微细扩散印迹的防伪识别方法 Download PDF

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Publication number
WO2019218624A1
WO2019218624A1 PCT/CN2018/116145 CN2018116145W WO2019218624A1 WO 2019218624 A1 WO2019218624 A1 WO 2019218624A1 CN 2018116145 W CN2018116145 W CN 2018116145W WO 2019218624 A1 WO2019218624 A1 WO 2019218624A1
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Prior art keywords
diffusion
mark
code
counterfeiting
imprint
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PCT/CN2018/116145
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English (en)
French (fr)
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季长平
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励元科技(上海)有限公司
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Publication of WO2019218624A1 publication Critical patent/WO2019218624A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/018—Certifying business or products
    • G06Q30/0185—Product, service or business identity fraud
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/80—Recognising image objects characterised by unique random patterns

Definitions

  • the invention relates to an anti-counterfeiting method, in particular to an anti-counterfeiting identification method for a micro-diffusion imprint.
  • Anti-counterfeiting technology is a technical means for identifying authenticity and preventing forgery, alteration, and cloning behavior.
  • anti-counterfeiting technologies such as embossed pattern anti-counterfeiting technology, miniature anti-counterfeiting technology, paper anti-counterfeiting, watermarking paper, anti-counterfeiting additives, laser anti-counterfeiting, bar code anti-counterfeiting technology, and code anti-counterfeiting mark and telephone identification system.
  • embossed pattern anti-counterfeiting technology such as embossed pattern anti-counterfeiting technology, miniature anti-counterfeiting technology, paper anti-counterfeiting, watermarking paper, anti-counterfeiting additives, laser anti-counterfeiting, bar code anti-counterfeiting technology, and code anti-counterfeiting mark and telephone identification system.
  • embossed pattern anti-counterfeiting technology such as embossed pattern anti-counterfeiting technology
  • Barcodes are only used to carry product information. A single barcode can not effectively distinguish the authenticity, can only say the management of incoming and outgoing shipments, product tracking, anti-smuggling management.
  • the security code is generally printed on the security label with the masked password code.
  • the widely used two-dimensional code itself is not anti-counterfeiting, and it is necessary to have a mobile APP application end and an enterprise commodity information database to achieve the anti-counterfeiting effect.
  • the principle is to assign a unique two-dimensional code to each product, and use non-replicable material printing technology to ensure that the two-dimensional code can not be copied. Consumers can query the QR code by downloading the mobile phone APP when purchasing the goods, and check the goods. Information, manufacturing companies and other information can be identified.
  • the diffusion imprint of the printed code or printed graphic is a randomly curved micro-curve with randomness, uniqueness and non-reproducibility. Therefore, the diffusion pattern (commonly known as burr) or the concave diffusion pattern (commonly known as the gap) which is convex on the edge of the ink such as the code/text is used for the anti-counterfeiting identification, as shown in the diffusion print 1 in FIG. 1, the process is simple, and the anti-counterfeiting data is difficult. The advantages of fraud.
  • the random diffusion imprint formed by printing has the following disadvantages when it is actually used for anti-counterfeiting: 1.
  • the characteristics of the diffusion imprint may not be clear enough and lack of personalization; 2.
  • the coding/text diffusion pattern itself is prone to deformation, fading, and finally greatly increased.
  • the difficulty of recognition; 3, the judgment of the similarity of the diffusion imprint is more complicated, it is difficult to ensure a high degree of recognition; 4, rely heavily on the online identification processing of the network, greatly increasing the input cost of the server and the workload of daily maintenance.
  • the technical problem to be solved by the present invention is to provide an anti-counterfeiting identification method for a micro-diffusion imprint, which can effectively prevent theft-proof anti-counterfeiting data from being used for fraud, and does not need to transmit pictures, greatly improves transmission efficiency, saves data flow, and is convenient. Realize offline authentication and authenticity.
  • the technical solution adopted by the present invention to solve the above technical problem is to provide an anti-counterfeiting identification method for a micro-diffusion imprint, comprising the following steps: S1) selecting a printing area of a coded mark or a graphic mark on a substrate; S2) Forming a coded mark or a graphic mark having a random diffusion mark; S3) acquiring the number and position information of the random diffusion print and generating a security feature code in advance; S4) identifying the number and position information of the random diffusion print on the substrate And comparing with the pre-generated security feature code to determine the authenticity.
  • the information is uploaded to the server and compared with the pre-generated security feature code on the server to determine the authenticity; or the anti-counterfeiting feature code sent from the server is directly received at the client for comparison and authenticity.
  • the anti-counterfeiting identification method of the micro-diffusion imprint described above wherein the anti-counterfeit feature code generated in the step S3) is directly printed on the substrate, and the step S4) identifies the number of random diffusion prints on the substrate by the client software. And the position information, and the authenticity is judged by comparing with the security feature code printed on the substrate.
  • step S2 pre-prints a diffusing agent coating in the printing area, and then ink-jet printing on the diffusing agent coating to form a coded mark having a random diffusion mark or Graphic identification.
  • the step S2 when the diffusion mark of the coded mark or the graphic mark is highly diffused to 0.015 mm ⁇ h ⁇ 0.03 mm, the code mark or figure is printed into the printing area.
  • the marking spray coating agent performs a predetermined type on the diffusion mark on the code mark or the graphic mark; when the diffusion mark of the code mark or the graphic mark is highly diffused to 0.03 mm ⁇ h ⁇ 0.3 mm, the code is printed into the printing area.
  • the logo or graphic identifier sprays the moisture wicking agent to shape the diffusion blot on the coded logo or graphic logo.
  • the quick-drying agent in the step S2 is glyceryl stearate or glyceryl oleate
  • the coating agent is an alkyd resin, a phenol resin or an acrylic resin.
  • the spray quality of the quick-drying agent is 3 to 5 times that of the diffusing agent coating.
  • step S2 further comprises coating a metal protective film and a fixer film on the printing area with a diffusion mark on the fixed code mark or the graphic mark, and adopting a metal protective film
  • the light of the copying machine is dispersed or deflected.
  • step S3 selects at least one end coordinate of the random diffusion imprint as position information and puts it into the anti-counterfeiting feature code, and simultaneously takes a magnified photograph of the selected random diffusion imprint and stores the local part.
  • the diffusion imprint feature photograph is used as the anti-counterfeiting feature filing information;
  • step S4) further comprises: taking a coded logo or a graphic logo on the substrate by using a mobile phone, and acquiring a physical live photo of the random diffusion imprint specified in the position information, and pre-storing Photographs of local diffusion blots were further checked for further alignment.
  • step S3 acquires the number of all random diffusion imprints in a local region and the coordinates of the end thereof, and according to the size of the locally selected region and the position of the locally selected region
  • the information, the number of all random diffusion prints of the locally selected region, and each piece of random diffusion print position information generate a security feature code.
  • step S3) further comprises sequentially connecting all the random diffusion prints to form a polygon, and the step S4) identifying the number of random diffusion prints in the local area on the substrate, If it is recognized that the number of random diffusion prints is the same as the number of the strips recorded in the security feature code, the ends of the identified random diffusion prints are sequentially connected to form a polygon, and compared with the polygon formed in step S3). If the two are similar, the judgment is true.
  • the coding identifier is a serial number, a one-dimensional barcode, a two-dimensional code, a production date, a product batch number, an anti-counterfeit digital, a promotional integral code, a redemption code, an anti-counterfeiting code or a product. Trace source.
  • the step S3) encrypts the number of pieces of the random diffusion imprint acquired by the key pair and the position information, and then generates the anti-counterfeit feature code in advance.
  • the present invention has the following beneficial effects: the anti-counterfeiting identification method for the micro-diffusion imprint provided by the present invention identifies the random diffusion imprint on the substrate by acquiring the number and position information of the random diffusion imprint and generating the anti-counterfeit feature code in advance. The number of pieces and the position information are compared with the pre-generated anti-counterfeiting feature code to determine the authenticity, effectively preventing the stolen anti-counterfeiting data from being used for fraud, and without transmitting pictures, greatly improving the transmission efficiency, saving data traffic, and conveniently Realize offline authentication.
  • FIG. 1 is a schematic diagram of a two-dimensional code structure of a print-based fine diffusion print used in the present invention
  • FIG. 2 is a schematic diagram of the anti-counterfeiting identification process of the present invention.
  • FIG. 1 is a schematic diagram of a two-dimensional code structure of a print-based fine diffusion print used in the present invention
  • FIG. 2 is a schematic view of the anti-counterfeiting recognition process of the present invention.
  • the two-dimensional code has a plurality of diffusion prints 1
  • the anti-counterfeit identification method of the micro-diffusion print provided by the present invention includes the following steps. :
  • the anti-counterfeiting identification method for the micro-diffusion imprint provided by the present invention is stored on the server, and the step S4) identifies the number and position of the random diffusion imprint on the substrate by the client software.
  • the information is uploaded to the server and compared with the pre-generated anti-counterfeit feature code on the server to determine the authenticity; or the anti-counterfeiting feature code sent from the server is directly received at the client for comparison and authenticity, and the anti-counterfeiting feature code is used instead of the picture transmission. Improve transfer efficiency and save data traffic.
  • the anti-counterfeiting identification method of the micro-diffusion mark provided by the present invention is directly printed on the substrate, and the step S4) identifies the number of random diffusion prints on the substrate by the client software. And the location information, and the anti-counterfeiting feature code printed on the substrate is compared to determine the authenticity, and the network can be omitted, and the local offline authenticity can be realized.
  • the anti-counterfeiting identification method of the micro-diffusion imprint provided by the invention generally forms a fine diffusion imprint (ie, the diffusion imprint 1) formed at the time of printing to substantially ensure a random and clear feature.
  • the step S2 pre-prints a diffusing agent coating in the printing area, and then uses inkjet printing on the diffusing agent coating to form a coded mark or graphic mark with a random diffusion mark, and of course, can also be used for letterpress printing.
  • Other ink printing methods such as gravure printing, screen printing or xerography.
  • a slow-drying ink is preferred, and when the diffusion mark height h of the coded mark or the graphic mark reaches [0.015, 0.03) mm, the coating agent is sprayed by the code mark or graphic mark in the printing area.
  • the coating agent is an alkyd resin, Phenolic resin or acrylic resin.
  • the resin added by the invention can be effectively combined with the pigment in the ink to adjust the oil absorption value of different pigments to ensure that the ink has a suitable viscosity, and the resin also functions to quickly coat the pigment particles, so that By simply dispersing the pigment, finer particles can be achieved, resulting in a better personalized diffusion print.
  • the spraying quality of the quick-drying agent is 3 to 5 times of the quality of the diffusion agent coating, thereby realizing the full coating of the diffusion agent and the pigment by the quick-drying agent, improving the drying speed, ensuring the rapid drying of the diffusion blot, and not easily deforming, greatly Reduce the difficulty of subsequent recognition processing.
  • the step S2) further comprises coating a metal protective film and a fixer film on the printing area with a diffusion mark on the fixed code mark or the graphic mark, and using a metal protective film to make the copying machine Light dispersion or deflection; for example, the choice of aluminum oxide film as a metal protective film, which can better prevent copying and scanning fraud, especially suitable for local offline identification.
  • the step S3) encrypts the number and location information of the random diffusion imprint obtained by the key pair, and then generates the anti-counterfeiting feature code in advance.
  • the step S3) select at least one end coordinate of the random diffusion imprint as the position information, and simultaneously take a magnified photograph of the selected random diffusion imprint and store the local part.
  • the diffusion imprint feature photograph is used as the anti-counterfeiting feature filing information.
  • a macro enlargement photographing method with an object distance of less than 390 mm, and the photographing magnification is 8 to 80 times so as to be able to see the diffusion from 0.01 mm to 0.3 mm from the photograph taken. Imprint and its end position.
  • the anti-counterfeit identification After recording the number of diffusion blots, position information, and local diffusion print feature photos, the anti-counterfeit identification first compares the coded or graphic identifiers. If the inconsistency is directly feedback, the identification conclusion is a counterfeit product; if the coded logo or graphic identifier is compared Consistently, the number and position information of the diffusion blots are continuously compared. If the inconsistent feedback identification result is a counterfeit product, the final comparison is made with whether the features of the at least one diffusion imprint corresponding to the coded identifier or the graphic identifier match. Verify.
  • the coded identifier used in the present invention may be a serial number, a one-dimensional barcode, a two-dimensional code, a production date, a product batch number, an anti-counterfeit digital, a promotional integral code, a redemption code, an anti-counterfeiting code, or a product source code.
  • the step S3 may select the number and position information of the diffusion marks in the local area for recording and storage; for example, selecting the two-dimensional code mark area or the middle cutout as the partial selection The area is fixed, and the size and position information of the locally selected area are added to the security feature code.
  • Step S3) acquiring the number of all random diffusion marks in a certain local area and the coordinates of the end thereof, and sequentially connecting the lines to form a polygon, and the step S4) identifying the number of random diffusion marks in the local area on the substrate, If it is recognized that the number of random diffusion prints is the same as the number of the strips recorded in the security feature code, the ends of the identified random diffusion prints are sequentially connected to form a polygon, and compared with the polygon formed in step S3). If the two are similar, the judgment is true. Simple alignment is used instead of one-by-one coordinate comparison, which can be sent to the customer for visual comparison.
  • the anti-counterfeiting identification method of the micro-diffusion imprint provided by the invention, the coded logo or the graphic identifier together with the anti-counterfeiting feature filing information thereon are uniformly stored, respectively identified, the process is simple, and the implementation is easy to implement; the number and position information of the random diffusion imprint are used and The anti-counterfeiting feature code is generated in advance, which greatly simplifies the complexity of the subsequent recognition processing and improves the identification precision. Since the fine diffusion marks based on printing are randomly generated and have greater randomness, the difficulty of forgery is greatly increased, thereby effectively preventing theft-proof anti-counterfeiting data from being used for fraud.

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Abstract

一种微细扩散印迹的防伪识别方法，包括如下步骤：在承印物上选定编码标识或图文标识的印刷区（S1）；在所述印刷区形成具有随机扩散印迹的编码标识或图文标识（S2）；获取随机扩散印迹的条数及位置信息并预先生成防伪特征码（S3）；识别承印物上随机扩散印迹的条数及位置信息，并与预先生成的防伪特征码进行比较判别真伪（S4）。通过获取编码标识或图文标识的随机扩散印迹的条数及位置信息生成防伪特征码，有效防止被盗后的防伪数据用于造假，且不需传输图片，大大提高传送效率，节省数据流量，并可方便地实现离线鉴别真伪。

Description

一种微细扩散印迹的防伪识别方法 技术领域
本发明涉及一种防伪方法，尤其涉及一种微细扩散印迹的防伪识别方法。
 背景技术
防伪技术是一种用于识别真伪并防止伪造、变造，克隆行为的技术手段。现有的防伪技术种类很多，比如浮雕版纹防伪技术，微缩防伪技术，纸张防伪，水印纸，防伪添加剂，镭射防伪，条形码防伪技术以及电码防伪标识及电话识别系统。但是普遍存在使用成本高，且存在易于伪造复制的风险。
条形码只是用来承载产品信息的。单单一个条形码是不能有效辨别真伪的，只能说对进出货管理、产品追踪、防窜货管理。制作防伪码一般都是将防伪码以被掩盖的暗码方法印刷在防伪标签上。
此外，目前广泛使用的二维码本身并不能防伪，需要有一个手机APP应用端和企业商品信息数据库才能实现防伪的效果。原理是通过给每个商品分配一个唯一的二维码，并运用不可复制的材料印刷技术来确保二维码不能够被复制，消费者在购买商品时通过下载手机APP查询二维码，核对商品信息、制造企业等信息即可辨别真伪。
印刷编码或印刷图文的扩散印迹是一条条随机弯曲的微曲线，具有随机性、唯一性、不可复制性。因此利用编码/图文等油墨边沿上凸起来的扩散纹（俗称毛刺）、或凹下去的扩散纹（俗称豁口）进行防伪识别，如图1中的扩散印迹1，具有工艺简单，防伪数据难于造假的优点。
但是印刷形成的随机扩散印迹，实际进行防伪应用时，仍存在如下缺点：1、扩散印迹特征可能不够清晰，缺乏个性化；2、编码/图文扩散纹本身容易产生变形，褪色，最终大大增加了识别难度；3、对扩散印迹相似性的判断处理较为复杂，难于保证达到较高的辨识度；4、严重依赖于网络在线识别处理，大大增加的服务器端的投入成本及日常维护的工作量。
 技术问题
本发明所要解决的技术问题是提供一种微细扩散印迹的防伪识别方法，能够有效防止被盗后的防伪数据用于造假，且不需传输图片，大大提高传送效率，节省数据流量，并可方便地实现离线鉴别真伪。
 技术解决方案
本发明为解决上述技术问题而采用的技术方案是提供一种微细扩散印迹的防伪识别方法，包括如下步骤：S1）在承印物上选定编码标识或图文标识的印刷区；S2）在所述印刷区形成具有随机扩散印迹的编码标识或图文标识；S3）获取随机扩散印迹的条数及位置信息并预先生成防伪特征码；S4）识别承印物上随机扩散印迹的条数及位置信息，并与预先生成的防伪特征码进行比较判别真伪。
上述的微细扩散印迹的防伪识别方法，其中，所述步骤S3）中预先生成的防伪特征码存储在服务器上，所述步骤S4）通过客户端软件识别承印物上随机扩散印迹的条数及位置信息，上传至服务器并与服务器上预先生成的防伪特征码进行比较判别真伪；或者直接在客户端接收从服务器下发的防伪特征码进行比较判别真伪。
上述的微细扩散印迹的防伪识别方法，其中，所述步骤S3）中预先生成的防伪特征码直接印刷在承印物上，所述步骤S4）通过客户端软件识别承印物上随机扩散印迹的条数及位置信息，并与印刷在承印物上的防伪特征码进行比较判别真伪。
上述的微细扩散印迹的防伪识别方法，其中，所述步骤S2）在所述印刷区内预先印刷扩散剂涂层，然后在扩散剂涂层上采用喷墨印刷形成具有随机扩散印迹的编码标识或图文标识。
上述的微细扩散印迹的防伪识别方法，其中，所述步骤S2）中当编码标识或图文标识的扩散印迹高度扩散达到0.015mm ≤h < 0.03mm时，通过向印刷区内的编码标识或图文标识喷洒包覆剂对编码标识或图文标识上的扩散印迹进行预定型；当编码标识或图文标识的扩散印迹高度扩散达到0.03 mm ≤ h ≤0.3mm时，通过向印刷区内的编码标识或图文标识喷洒吸湿快干剂使得编码标识或图文标识上的扩散印迹定型。
上述的微细扩散印迹的防伪识别方法，其中，所述步骤S2）中的快干剂为硬脂酸甘油酯或油酸甘油酯，所述包覆剂为醇酸树脂、酚醛树脂或丙烯酸树脂，所述快干剂的喷洒质量为扩散剂涂层质量的3～5倍。
上述的微细扩散印迹的防伪识别方法，其中，所述步骤S2）还包括在所述印刷区涂覆金属保护膜和定影剂膜固定编码标识或图文标识上的扩散印迹，并采用金属保护膜使得复印机的光分散或偏转。
上述的微细扩散印迹的防伪识别方法，其中，所述步骤S3）至少选取一个随机扩散印迹的末端坐标作为位置信息放进防伪特征码中，同时对选取的随机扩散印迹进行放大拍照，并存储局部扩散印迹特征照片作为防伪特征备案信息；所述步骤S4）还包括采用手机拍摄承印物上的编码标识或图文标识，获取位置信息中指定的随机扩散印迹的实物现场照片，并与预先存储的局部扩散印迹特征照片做进一步的比对核实。
上述的微细扩散印迹的防伪识别方法，其中，所述步骤S3）获取某一局部区域内所有随机扩散印迹的条数及其末端坐标，并根据局部选定区域的大小、局部选定区域的位置信息、该局部选定区域的所有随机扩散印迹的条数以及每一条随机扩散印迹位置信息生成防伪特征码。
上述的微细扩散印迹的防伪识别方法，其中，所述步骤S3）还包括将所有随机扩散印迹依次连线形成多边形，所述步骤S4）识别承印物上该局部区域内随机扩散印迹的条数，如果识别出随机扩散印迹的条数与防伪特征码中记载的条数相同，则继续将识别出的随机扩散印迹的末端依次连线形成多边形，并与步骤S3）中形成多边形的进行比较，若两者相似则判定为真。
上述的微细扩散印迹的防伪识别方法，其中，所述编码标识为序列号、一维条码、二维码、生产日期、产品批号、防伪数码、促销积分码、兑奖码、防窜货编码或产品溯源码。
上述的微细扩散印迹的防伪识别方法，其中，所述步骤S3）采用密钥对获取的随机扩散印迹的条数及位置信息进行加密后再预先生成防伪特征码。
 有益效果
本发明对比现有技术有如下的有益效果：本发明提供的微细扩散印迹的防伪识别方法，通过获取随机扩散印迹的条数及位置信息并预先生成防伪特征码，识别承印物上随机扩散印迹的条数及位置信息，并与预先生成防伪特征码进行比较判别真伪，有效防止被盗后的防伪数据用于造假，且不需传输图片，大大提高传送效率，节省数据流量，并可方便地实现离线鉴别真伪。
 附图说明
图1为本发明使用的基于印刷的微细扩散印迹的二维码结构示意图；
图2为本发明的防伪识别过程示意图。
 本发明的实施方式
下面结合附图和实施例对本发明作进一步的描述。
图1为本发明使用的基于印刷的微细扩散印迹的二维码结构示意图；图2为本发明的防伪识别过程示意图。
请参见图1和图2，以承印物上印刷的二维码为例，在放大状态下，二维码具有多个扩散印迹1，本发明提供的微细扩散印迹的防伪识别方法，包括如下步骤：
S1）在承印物上选定编码标识或图文标识的印刷区；
S2）在所述印刷区形成具有随机扩散印迹的编码标识或图文标识；
S3）获取随机扩散印迹的条数及位置信息并预先生成防伪特征码；
S4）识别承印物上随机扩散印迹的条数及位置信息，并与预先生成的防伪特征码进行比较判别真伪。
本发明提供的微细扩散印迹的防伪识别方法，所述步骤S3）中预先生成的防伪特征码存储在服务器上，所述步骤S4）通过客户端软件识别承印物上随机扩散印迹的条数及位置信息，上传至服务器并与服务器上预先生成的防伪特征码进行比较判别真伪；或者直接在客户端接收从服务器下发的防伪特征码进行比较判别真伪，采用防伪特征码代替图片传输，大大提高传送效率，节省数据流量。
本发明提供的微细扩散印迹的防伪识别方法，所述步骤S3）中预先生成的防伪特征码直接印刷在承印物上，所述步骤S4）通过客户端软件识别承印物上随机扩散印迹的条数及位置信息，并与印刷在承印物上的防伪特征码进行比较判别真伪，可以不需要网络，实现本地离线鉴别真伪。
本发明提供的微细扩散印迹的防伪识别方法，一般印刷时形成的微细扩散印迹（即扩散印迹1）基本能保证随机清晰的特征。优选地，所述步骤S2在所述印刷区内预先印刷扩散剂涂层，然后在扩散剂涂层上采用喷墨印刷形成具有随机扩散印迹的编码标识或图文标识，当然也可采用凸版印刷、凹版印刷、丝网印刷或静电复印等其它油墨印刷方式。为了更好形成扩散印迹，优选慢干油墨，当编码标识或图文标识的扩散印迹高度h扩散达到[0.015,0.03)mm时，通过向印刷区内的编码标识或图文标识喷洒包覆剂对编码标识或图文标识上的扩散印迹进行预定型；当编码标识或图文标识的扩散印迹高度h扩散达到[0.03～0.3]mm时，再通过向印刷区内的编码标识或图文标识喷洒吸湿快干剂使得编码标识或图文标识上的扩散印迹定型，所述快干剂为硬脂酸甘油酯、油酸甘油酯或其它甘油酯等，所述包覆剂为醇酸树脂、酚醛树脂或丙烯酸树脂。本发明添加的树脂能有效的与墨水中的颜料结合起来，用于调节不同颜料吸油值，来保证墨水有一个合适的粘度，树脂的作用还在于有助于迅速将颜料颗粒包覆起来，使得颜料仅仅通过分散，便可达到较细的颗粒，从而更好地形成个性化的扩散印迹。所述快干剂的喷洒质量为扩散剂涂层质量的3～5倍，从而实现快干剂对扩散剂和颜料的充分包覆，提高干燥速度，保证扩散印迹快干成型，不易变形，大大降低后续识别处理的难度。
基于印刷的微细扩散印迹，使用现代超高精准度的扫描仪和照相制版都不能完全再呈现同样的扩散印迹，因此可以很好地起到防止印刷品被复制。为了进一步加大复制和扫描造假难度，所述步骤S2）还包括在所述印刷区涂覆金属保护膜和定影剂膜固定编码标识或图文标识上的扩散印迹，并采用金属保护膜使得复印机的光分散或偏转；比如选择氧化铝膜作为金属保护膜，从而可以更好地防止复印和扫描造假，特别适用于本地离线鉴别。
为了防止造假者识别出防伪特征码中的随机扩散印迹的条数及位置信息，所述步骤S3）采用密钥对获取的随机扩散印迹的条数及位置信息进行加密后再预先生成防伪特征码。
为了进一步提高伪造难度，本发明提供的微细扩散印迹的防伪识别方法，所述步骤S3）至少选取一个随机扩散印迹的末端坐标作为位置信息，同时对选取的随机扩散印迹进行放大拍照，并存储局部扩散印迹特征照片作为防伪特征备案信息。对某一条局部扩散印迹特征照片优选采用物距小于390mm的微距放大拍摄方式，拍摄放大倍数为8～80倍，以便能够从所拍摄的照片上、看清小至0.01mm～0.3mm的扩散印迹及其末端位置。记录扩散印迹的数目、位置信息以及局部扩散印迹特征照片后，防伪识别时首先对编码标识或图文标识进行比对，如果不一致直接反馈鉴定结论为假冒产品；如果编码标识或图文标识比对一致，则继续比对扩散印迹的数目和位置信息，如果不一致反馈鉴定结论为假冒产品，最后比对该编码标识或图文标识对应的至少一个扩散印迹的照片的特征是否相符做进一步的比对核实。
本发明使用的编码标识可以为序列号、一维条码、二维码、生产日期、产品批号、防伪数码、促销积分码、兑奖码、防窜货编码或产品溯源码等。对于二维码，整体印刷区内的扩散印迹数目可能非常多。为了提高识别精度和效率，便于后续的存储处理及比对，所述步骤S3可以选取局部区域内扩散印迹的数目和位置信息进行记录存储；比如选取二维码标记区或中间镂空处作为局部选定区域，并将局部选定区域的大小及位置信息加入到防伪特征码中。所述步骤S3）获取某一局部区域内所有随机扩散印迹的条数及其末端坐标，并依次连线形成多边形，所述步骤S4）识别承印物上该局部区域内随机扩散印迹的条数，如果识别出随机扩散印迹的条数与防伪特征码中记载的条数相同，则继续将识别出的随机扩散印迹的末端依次连线形成多边形，并与步骤S3）中形成多边形的进行比较，若两者相似则判定为真。采用简单连线代替逐一坐标比对，可下发给客户进行直观比对。
本发明提供的微细扩散印迹的防伪识别方法，编码标识或图文标识连同其上的防伪特征备案信息统一存储，分别辨识，工艺简单，易于实施推广；采用随机扩散印迹的条数及位置信息并预先生成防伪特征码，大大简化后续识别处理的复杂度，提高辨识精度。由于基于印刷的微细扩散印迹都是随机生成，具有更大的随机性，极大地增加伪造难度，从而有效防止被盗后的防伪数据用于造假。
虽然本发明已以较佳实施例揭示如上，然其并非用以限定本发明，任何本领域技术人员，在不脱离本发明的精神和范围内，当可作些许的修改和完善，因此本发明的保护范围当以权利要求书所界定的为准。
 

Claims (12)

  1. 一种微细扩散印迹的防伪识别方法，其特征在于，包括如下步骤：
    S1）在承印物上选定编码标识或图文标识的印刷区；
    S2）在所述印刷区形成具有随机扩散印迹的编码标识或图文标识；
    S3）获取随机扩散印迹的条数及位置信息并预先生成防伪特征码；
    S4）识别承印物上随机扩散印迹的条数及位置信息，并与预先生成的防伪特征码进行比较判别真伪。
  2. 如权利要求1所述的微细扩散印迹的防伪识别方法，其特征在于，所述步骤S3）中预先生成的防伪特征码存储在服务器上，所述步骤S4）通过客户端软件识别承印物上随机扩散印迹的条数及位置信息，上传至服务器并与服务器上预先生成的防伪特征码进行比较判别真伪；或者直接在客户端接收从服务器下发的防伪特征码进行比较判别真伪。
  3. 如权利要求1所述的微细扩散印迹的防伪识别方法，其特征在于，所述步骤S3）中预先生成的防伪特征码直接印刷在承印物上，所述步骤S4）通过客户端软件识别承印物上随机扩散印迹的条数及位置信息，并与印刷在承印物上的防伪特征码进行比较判别真伪。
  4. 如权利要求1所述的微细扩散印迹的防伪识别方法，其特征在于，所述步骤S2）在所述印刷区内预先印刷扩散剂涂层，然后在扩散剂涂层上采用喷墨印刷形成具有随机扩散印迹的编码标识或图文标识。
  5. 如权利要求4所述的微细扩散印迹的防伪识别方法，其特征在于，所述步骤S2）中当编码标识或图文标识的扩散印迹高度扩散达到0.015mm ≤h < 0.03mm时，通过向印刷区内的编码标识或图文标识喷洒包覆剂对编码标识或图文标识上的扩散印迹进行预定型；当编码标识或图文标识的扩散印迹高度扩散达到0.03 mm ≤ h ≤0.3mm时，通过向印刷区内的编码标识或图文标识喷洒吸湿快干剂使得编码标识或图文标识上的扩散印迹定型。
  6. 如权利要求5所述的微细扩散印迹的防伪识别方法，其特征在于，所述步骤S2）中的快干剂为硬脂酸甘油酯或油酸甘油酯，所述包覆剂为醇酸树脂、酚醛树脂或丙烯酸树脂，所述快干剂的喷洒质量为扩散剂涂层质量的3～5倍。
  7. 如权利要求4所述的微细扩散印迹的防伪识别方法，其特征在于，所述步骤S2）还包括在所述印刷区涂覆金属保护膜和定影剂膜固定编码标识或图文标识上的扩散印迹，并采用金属保护膜使得复印机的光分散或偏转。
  8. 如权利要求1所述的微细扩散印迹的防伪识别方法，其特征在于，所述步骤S3）至少选取一个随机扩散印迹的末端坐标作为位置信息放进防伪特征码中，同时对选取的随机扩散印迹进行放大拍照，并存储局部扩散印迹特征照片作为防伪特征备案信息；所述步骤S4）还包括采用手机拍摄承印物上的编码标识或图文标识，获取位置信息中指定的随机扩散印迹的实物现场照片，并与预先存储的局部扩散印迹特征照片做进一步的比对核实。
  9. 如权利要求1所述的微细扩散印迹的防伪识别方法，其特征在于，所述步骤S3）获取某一局部区域内所有随机扩散印迹的条数及其末端坐标，并根据局部选定区域的大小、局部选定区域的位置信息、该局部选定区域的所有随机扩散印迹的条数以及每一条随机扩散印迹位置信息生成防伪特征码。
  10. 如权利要求9所述的微细扩散印迹的防伪识别方法，其特征在于，所述步骤S3）还包括将所有随机扩散印迹依次连线形成多边形，所述步骤S4）识别承印物上该局部区域内随机扩散印迹的条数，如果识别出随机扩散印迹的条数与防伪特征码中记载的条数相同，则继续将识别出的随机扩散印迹的末端依次连线形成多边形，并与步骤S3）中形成多边形的进行比较，若两者相似则判定为真。
  11. 如权利要求1～10任一项所述的微细扩散印迹的防伪识别方法，其特征在于，所述编码标识为序列号、一维条码、二维码、生产日期、产品批号、防伪数码、促销积分码、兑奖码、防窜货编码或产品溯源码。
  12. 如权利要求11所述的微细扩散印迹的防伪识别方法，其特征在于，所述步骤S3）采用密钥对获取的随机扩散印迹的条数及位置信息进行加密后再预先生成防伪特征码。
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113326906A (zh) * 2021-02-07 2021-08-31 海南拍拍看信息技术有限公司 码内孤点锯齿防伪方法
CN113656631A (zh) * 2021-08-20 2021-11-16 上海烟草集团有限责任公司 产品身份标识的生成方法、身份识别方法、装置与设备
CN115329919A (zh) * 2022-10-08 2022-11-11 北京微点科学技术有限公司 基于微点码的随机附加点防伪方法和装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108647980B (zh) * 2018-05-14 2020-02-18 励元科技(上海)有限公司 一种微细扩散印迹的防伪识别方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020122878A1 (en) * 1999-04-01 2002-09-05 Kerns William J. Identification particles and system and method for retrospective identification using spectral codes
CN105023505A (zh) * 2015-07-30 2015-11-04 李峰 一种局部纹理防伪结构及其制造方法、防伪方法
CN106056188A (zh) * 2016-07-20 2016-10-26 无锡新光印标识科技有限公司 微纹防伪识别方法
CN106067277A (zh) * 2015-05-01 2016-11-02 无锡新光印标识科技有限公司 微纹防伪方法
CN108647980A (zh) * 2018-05-14 2018-10-12 无锡新光印标识科技有限公司 一种微细扩散印迹的防伪识别方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102779313A (zh) * 2012-03-07 2012-11-14 海南亚元防伪技术研究所 拍拍看二维码防伪防窜积分抽奖视频包装系统
CN104809622A (zh) * 2015-05-01 2015-07-29 海南亚元防伪技术研究所 超限纹理防伪方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020122878A1 (en) * 1999-04-01 2002-09-05 Kerns William J. Identification particles and system and method for retrospective identification using spectral codes
CN106067277A (zh) * 2015-05-01 2016-11-02 无锡新光印标识科技有限公司 微纹防伪方法
CN105023505A (zh) * 2015-07-30 2015-11-04 李峰 一种局部纹理防伪结构及其制造方法、防伪方法
CN106056188A (zh) * 2016-07-20 2016-10-26 无锡新光印标识科技有限公司 微纹防伪识别方法
CN108647980A (zh) * 2018-05-14 2018-10-12 无锡新光印标识科技有限公司 一种微细扩散印迹的防伪识别方法

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CN113656631A (zh) * 2021-08-20 2021-11-16 上海烟草集团有限责任公司 产品身份标识的生成方法、身份识别方法、装置与设备
CN115329919A (zh) * 2022-10-08 2022-11-11 北京微点科学技术有限公司 基于微点码的随机附加点防伪方法和装置
CN115329919B (zh) * 2022-10-08 2023-05-12 北京微点科学技术有限公司 基于微点码的随机附加点防伪方法和装置

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