1297results about How to "Improve anti-counterfeiting performance" patented technology

The invention relates to the technical field of identity verification, and particularly relates to a living body human face recognition method, a device and a system. The method comprises steps: multiple human face images are acquired instantly; according to the human face images, a fixation point of at least one eye in each human face image or a motion track of the fixation point is acquired; according to the fixation point of the eye or the motion track of the fixation point, whether the eye moves according to a hint is judged; if yes, living body verification is passed. According to the method, when a user carries out facial feature verification, the eye moves according to the hint; as facial features and eye moving data are extracted from the same picture or one group of pictures or video, an illegal logon person can not cheat the verification device by using a face image or video prepared in advance, and thus, the method can judge that the user agrees to the face features, and the face information is from the living body in reality.

A system for projecting one or more synthetic optical images, which demonstrates improved resistance to optically degrading external effects, is provided. The inventive system serves to lock the focal length of the focusing elements in place. In other words, no other transparent materials or layers brought into contact with the inventive system will serve to materially alter the focal length or the optical acuity of synthetic images formed by the system.

A security element 2, 4 for embedding in or application to a security document in such a way that it is visually recognizable from both sides of the security document 1, is structured in a multilayer fashion and includes two interference elements I1, I2 with color shift effect, a metallic reflection layer R located in between as well as, optionally, diffraction structures 8. Depending on the disposition of the layers I1, R, I2 and the optionally present diffraction structures. 8 on a transparent substrate S the color shift effect and / or the diffractive effects are perceptible-from-one or from both sides of the security element 2, 4. The security element is particularly suitable as a two-sided window thread 4 and as a label or transfer element 2 above a hole 3 in the security document 1.

The invention discloses a coding method for mixing barcodes and two-dimensional codes, which comprises the following steps: (1) generating barcode images through barcode algorithms through barcode data; Encrypting as a key to obtain two-dimensional code generation information; (3) generating a two-dimensional code image by using the two-dimensional code generation information obtained in step (2) through a two-dimensional code generation algorithm. The invention also discloses a decoding method and an encoding and decoding device of the encoding method. On the one hand, the present invention can use naked eyes to identify products, certificates or bills through the barcode, and on the other hand, the two-dimensional code reading device of the present invention can be used to read the information hidden in the two-dimensional code, ensuring the integrity of the two-dimensional code Safety, security and confidentiality, and enable the two-dimensional code to carry hidden information, strengthen the anti-counterfeiting and uniqueness of the two-dimensional code, and open up a new application field of the two-dimensional code as a data label.

The invention discloses a tax-control safety two-dimensional code encoding and decoding processing method. By means of the method, a tax-control safety two-dimensional code generated through the method has a plurality of levels of tax-control safety protection, anti-counterfeiting and safety performance of the tax-control safety two-dimensional code is improved, electronic signature information carried by the code can serve as a tool carrying out off-line authenticity identification on the condition of separation from the internet, the problem that when electronic bill information is transmitted through the two-dimensional code in the prior art, the authenticity identification is limited by network conditions and time is solved, and tax-control safety of the tax-control safety two-dimensional code is effectively enhanced. The tax-control safety two-dimensional code decoding processing method not only can prevent illegal leakage of useful information in the tax-control safety two-dimensional code, but also can immediately identify authenticity of the electronic bill information contained in the tax-control safety two-dimensional code off-line on the condition that the internet is not relied on, and therefore the tax-control safety of the tax-control safety two-dimensional code during the decoding process is further improved.

The invention discloses an identification and authentication device based on finger biometric. The device comprises a handle part, a fingerprint collection part, a light source, an image pickup part, a tact switch and a processing part. The processing part is respectively connected with the tact switch, the fingerprint collection part, the light source and the image pickup part. The device is usually in standby state, and a system starts to work when the tact switch is triggered: first, the light source is started to illuminate the position between the knuckle at a proximal interphalangeal joint of a finger and a distal interphalangeal joint of the finger, and the image pick-up part obtains a finger vein image; meanwhile, the fingerprint collection part collects a thumb fingerprint image, then the two images are subject to preprocessing and feature extraction respectively, and matched with the finger vein feature and the fingerprint feature stored in a database; finally, the judgment whether the authentication is successful is obtained by evaluating the similarity thereof. The invention fully utilizes two different biometrics at different cutaneous layers of the finger, can enhance the anti-counterfeiting property, the security and the accuracy of the system.

The invention which relates to an optical instrument and detection imaging technique discloses a large field depth iris image acquisition system and a method based on a plurality of fixed-focus cameras. The system comprises an iris image collecting device and an image recognition device. The method comprises the following steps: respectively imaging the iris by means of the fixed-focus cameras having different imaging object distance ranges and producing a multi-path fixed-focus image results; choosing one or a plurality of multi-path fixed-focus image results through distance measurement or image quality evaluation method; carrying out image processing and identification of chosen qualified iris image data. The invention effectively integrates the imaging ranges of different fixed-focus cameras in the mode of self-adapting switchover, thereby taking advantages of the cameras and at same time removing disadvantages of the cameras, enlarging the integral imaging range of the acquisition system, and improving the feasibility of an iris recognition system. Compared with the prior iris imaging method adopting a zoom camera, the invention has the advantages of low cost, quick and noiseless focusing.

The invention provides a mark formed by dot matrixes and a two-dimensional code. The mark is formed by a plurality of sets of dot matrix patterns and the two-dimensional code. The dot matrix patterns are distributed on the outer sides of the two-dimensional code. Each dot matrix pattern is in a designated shape and can not be distinguished through naked eyes. The effective area of each dot matrix pattern is larger than or equal to 3*3 square millimeters, and each dot matrix pattern is formed by arraying at least one set of information points with the diameter ranging from 30 micrometers to 40 micrometers. A generation and identification method of the mark includes the first step of converting the two-dimensional code to a dot matrix pattern ID corresponding to the two-dimensional code and generating the dot matrix patterns through the dot matrix pattern ID, the second step of combining the dot matrix patterns and the two-dimensional code to form the composite mark and encrypting and storing the dot matrix patterns, the third step of printing the composite mark on the surface of a piece of commodity and reading the composite mark through an identification device, and the fourth step of extracting a two-dimensional code pattern in the composite mark, converting the two-dimensional code pattern into a digital information character string, comparing the digital information character string with the dot matrix pattern ID and feeding back information according to the comparison result. Compared with an existing common two-dimensional code, the composite mark generated through the method is more effective in anti-counterfeiting.

The invention discloses a two-dimension code coding and decoding method and devices based on local color verification. The coding method comprises the following steps of: generating coloring region data randomly according to a predefined coloring region coding and decoding table, and taking the generated coloring region data as a secret key to perform encryption so as to obtain two-dimension code generation information; generating two-dimension code black-and-white images by a two-dimension code generation algorithm; and finally coloring the generated two-dimension code black-and-white images according to the coloring region data to obtain local colored two-dimension code images. The decoding method comprises the following steps of: reading the coloring region data on the two-dimension code images, and using a standard two-dimension code decoding algorithm to decode; and performing decryption on the decoded information by taking the coloring region data as the secret key via a decipherment algorithm to obtain original information of the two-dimension cod images. By using the invention based on original black and white colors, the coloring region information is increased, coding space of two-dimension codes can be expanded, and counterfeited difficulty is increased.

The invention relates to an electronic check two-dimensional code certificate generation method, which comprises the following steps: a request with source document cleartext information for generating an electronic check two-dimensional code certificate is received, and source document ciphertext information is generated; two-dimensional code pictures are generated; source number summary information is computed and source document identifying codes are generated; source document identifying codes are embedded into the two-dimensional code pictures in the form of digital watermark, thus acquiring the two-dimensional code certificate. The verification method for the electronic check two-dimensional code certificate comprises the following steps: a two-dimensional code certificate and a code are received; the two-dimensional code certificate is decoded to generate new certificate ciphertext information; new number summary information is figured out after decryption; the source number summary information is reverted; two pieces of number summary information are compared; and the verification results are fed back. In the electronic check two-dimensional code certificate generation method, the electronic check two-dimensional code certificate with digital watermarks is generated by certificate information ciphering and by adopting embedded identifying codes in the form of digital watermarks. In this way, the two-dimensional code certificate can not be reproduced or fabricated, thus significantly improving the forgery prevention and the security of electronic checks.

The invention provides a method for preparing a hidden two-dimensional image holographic anti-counterfeit label and an identification device thereof, belongs to the field of preparation and identification of anti-counterfeit labels, and solves the problem that the anti-counterfeit degree of an existing naked two-dimensional image is not high. The method comprises the following steps that a data symbol cryptograph is sequentially obtained, a two-dimensional image is generated, a Fourier transform conversion spectrogram is obtained, an information modulation strip image is drawn, square micro-strip images are formed, the plurality of square micro-strip images are arrayed to form a combined pattern, the combined pattern is made into an embossment pattern mother board and finally, the embossment pattern mother board is copied to a label material. The identification device comprises a laser light source, a full-reflection mirror, a label platform, a ground glass sheet, an image sensor, a signal acquisition module, an identification module, a display screen and a voice broadcasting device. According to the method, a hidden two-dimension code diffraction grating strip encrypted by information is manufactured on the holographic anti-counterfeit label and the identification needs special treatment; meanwhile, the information is encrypted and the anti-counterfeit performance is greatly improved.

The invention relates to the field of optical anti-counterfeiting and discloses an optical anti-counterfeiting member and a preparation method thereof. The method comprises following steps: forming a fluctuating structure layer having a first zone and a second zone on a same surface of a base material, wherein the specific volume of the fluctuating structure surface in the first zone is less than that of the fluctuating structure surface in the second zone; forming a plating layer on the fluctuating structure layer; forming a protection layer on the plating layer; and the minimum thickness of the protection layer in the first zone is larger than that of the protection layer in the second zone; placing the optical anti-counterfeiting member in an atmosphere which can react with the plating layer until the plating layer in the second zone is completely or partially eroded while the plating layer in the first zone is preserved. The method of the invention has simple technology and high production efficiency and low cost; and accurate hollow-out of plating layer is realized and anti-counterfeiting effect is increased.

The invention discloses a two-dimensional code encryption / decryption method. The method comprises the following steps that: two-dimensional code original information is obtained; an EK (electronic key) encryption key is used to perform ECC (Error Correction Code) encryption operation on the two-dimensional code original information and real-time clock information to obtain encrypted data jumped as time goes; the encrypted data is encoded to generate a new two-dimensional code figure; the two-dimensional code figure jumped as time goes is obtained; the two-dimensional code figure is decoded to obtain encrypted data jumped as time goes; and DK decryption key is used to perform ECC decryption operation on the encrypted data to obtain decryption information. The two-dimensional code encryption / decryption method performs algorithm encryption according to two-dimensional code original data, generates the two-dimensional code jumped as time goes, and ensures that the two-dimensional inquiry codes obtained by terminal users are different for each time, verification steps are decreased, and the security and the non-repeatability of the two-dimensional code are guaranteed.

The invention provides an automatic identification mark for a texture anti-counterfeiting mobile phone. According to the automatic identification mark, a two-dimension code of a universal resource locator, which corresponds to a structure texture anti-counterfeiting marker and contains textural feature information, is printed on the structure texture anti-counterfeiting marker; and by adopting the current mobile phone provided with two-dimension code scanning software, a consumer can scan a two-dimension code, automatically log in a website server and automatically open a webpage so as to distinguish the true from the false. With the automatic identification mark, the query speed is high, and the query rate is high.

The invention discloses a commodity forgery prevention method based on two-dimensional codes, and relates to the technical field of forgery prevention. The method aims at improving a forgery prevention effect. The method comprises the steps that a unique two-dimensional code is printed on each commodity; the two-dimensional codes of the commodities are stored in a forgery prevention database of an authentication server; a commodity purchaser scans the two-dimensional codes on the commodities by utilizing a terminal; the two-dimensional codes are sent to the authentication server for authenticating the authenticity of the commodities; an authentication times threshold is set for each two-dimensional code in the forgery prevention database of the authentication server; after the two-dimensional code of one commodity is authenticated successfully once, the authentication server subtracts one from the authentication times threshold of the two-dimensional code of the commodity, and returns authentication success information to a user; and after the authentication success times of the two-dimensional code of one commodity exceed an initial value of the authentication times threshold, the two-dimensional code of the commodity is invalid. The method is low in forgery prevention cost and good in forgery prevention effect.

The invention relates to a bill anti-counterfeit method and device based on texture image characteristics. The method comprises the steps of firstly utilizing a rapid image device for selecting a certain number of areas from a paper carrier before a bill is printed, obtaining paper texture image data and area central point position information, extracting texture image characteristic information, generating bill number information, calculating an abstract information flow of variable content data, encoding all the obtained information, hiding the information in visible elements of the bills, and finally printing and outputting the complete bill makeup data. In the verification process, a paper bill file is scanned to digital image data, all hidden information is extracted, and then whether the texture image characteristic information, the bill number information and the variable content data information are consistent or not is obtained in a comparing mode so as to judge bill authenticity. The anti-counterfeit technology meets the requirements of technical exclusivity, technical reliability, identification simplicity, identification uniqueness, anti-counterfeit timeliness and the like.

The invention provides a touch substrate, a driving method thereof and a display device and belongs to the technical field of display. The problem that an optical fingerprint recognizer itself is comparatively low in anti-fake performance and the problem that full-screen fingerprint scanning inevitably brings high power consumption to devices in the prior art. The touch substrate comprises a base, multiple driving signal lines and multiple signal reading lines, the driving signal lines and the signal reading lines are arranged on the base in a crossed manner, and fingerprint sensing modules are arranged in areas limited by crossed positions; each fingerprint sensing module comprises a switch unit and a fingerprint sensing device, each switch unit is connected with the corresponding driving signal line and the corresponding signal reading line, second electrodes of fingerprint sensing devices positioned in a same row are multiplexed as touch driving electrodes at a touch stage, and the signal reading lines are multiplexed as touch sensing electrodes at the touch stage.

The invention relates to a method for realizing changing content on-line print on a rotary press and a mixing digital printing system. The method comprises the following steps: providing a multicolor ink-jet digital printing unit on the rotary press; providing a central control unit to enable a continuous printing stock to pass through an ink-jet region of an ink-jet head of the multicolor ink-jet digital printing unit with the running speed equal to that of the rotary press; carrying out ink jet by the ink-jet head after the multicolor ink-jet digital printing unit receives a color patch information control electrical signal; controlling a predetermining position of the ink-jet head on the continuous printing stock according to a printing position control electrical signal and a printing content information control electrical signal; jetting predetermining characters or / and patterns; and jetting ink by the ink-jet head with the ink-jet speed adapted to the running speed of the continuous printing stock according to the rotary code control electrical signal. The invention can not only carry out large-scale printing, but also realize the changing content on-line printing on the rotary press on the basis of the synchronous on-line print of changeable contents.

The invention provides a composite multifunctional anti-counterfeiting mark with combination of a two-dimensional code and an optically variable image. In a technical means adopted by the invention, the composite multifunctional anti-counterfeiting mark with combination of the two-dimensional code and the optically variable image is provided with an optically variable image area and a two-dimensional code identification area; the optically variable image area comprises a thin film layer, a stripping layer, a mould pressing layer, an aluminium coated layer and a glue layer; the two-dimensional code identification area is integrally connected with the optically variable image area, and the position of the two-dimensional code identification area is adjusted according to pattern information to be reserved in the optically variable image area by taking the reference that anti-counterfeiting pattern information to be reserved in the optically variable image area cannot be shielded and damaged; and the two-dimensional code identification area is structurally the same with the optically variable image area and comprises a thin film layer, a stripping layer, a mould pressing layer, an aluminium coated layer and a glue layer.

The invention relates to the technical field of intelligent terminal identity identification and discloses an identity identification method and system based on palm vein features, and an image acquisition apparatus. The method comprises the following steps: starting a near-infrared light source of an image acquisition apparatus, and obtaining palm vein images of users through control of image acquisition; when the palm vein images are acquired, reinforced processing is performed on the vein images through image preprocessing, and a vein blood vessel model corresponding to an identification algorithm is obtained through feature extraction; and matching identification is performed on vein features in the vein blood vessel model with sample features in a database, and the identity of a current person for acquisition is determined. According to the invention, identity identification is performed through the palm vein features of the users, and the method has the advantages of high anti-falsification, high accuracy, high biological feature stability and the like. Therefore, the identity identification method based on the palm vein features, with uniqueness and stability, brings greater convenience to the identity identification of the users.

A security element 2, 4 for embedding in or application to a security document in such a way that it is visually recognizable from both sides of the security document 1, is structured in a multilayer fashion and includes two interference elements I1, I2 with color shift effect, a metallic reflection layer R located in between as well as, optionally, diffraction structures 8. Depending on the disposition of the layers I1, R, I2 and the optionally present diffraction structures 8 on a transparent substrate S the color shift effect and / or the diffractive effects are perceptible from one or from both sides of the security element 2, 4. The security element is particularly suitable as a two-sided window thread 4 and as a label or transfer element 2 above a hole 3 in the security document 1.

The invention relates to an electronic payment technology, in particular to a mobile payment method, and a mobile terminal and a payment processing system for implementing the mobile payment method. According to the invention, the mobile payment method comprises the following steps of: acquiring an iris image of a user by using the mobile terminal which is provided with an image acquisition unit; determining the identity of the user according to the acquired iris image; and with the payment processing system, performing payment processing by using a judgment result. Compared with the conventional mobile payment method, the embodiment of the invention has the advantages that: by using iris information as the authentication information of the identity of the user, the safety of the payment service of a mobile phone is greatly improved; and by using the iris information, the burden on password memorization of the user is eliminated. In the embodiment of the invention, the safety capacity of a smart card technology is fully utilized in the processing of the iris information. Moreover, a camera serves as the standard hardware configuration of the mobile terminal such as the mobile phone, so system hardware can be less modified by using the iris information, stead of password inputting.

The invention discloses an imaging device based on vein pattern and backside pattern of a finger and a multimode identity authentication method, wherein the imaging device comprises an acquisition support on which a concave finger putting area is arranged; a visible light imaging device which is arranged at one side of the concave finger putting area of the acquisition support and used for acquiring the back picture of the finger; a near infrared imaging device which is arranged at the other side of the concave finger putting area of the acquisition support and opposite to the visible light imaging device, and used for acquiring the vein picture of the finger by the irradiation of a near infrared light supply; and the bar-shaped near infrared light supply which is arranged on the acquisition support and used for irradiating near infrared light to the finger from the side of the finger. The identity authentication method comprises a logon procedure and an authentication procedure, and the adopted biological features thereof comprise the backside pattern and vein pattern of the same finger. The invention also relates to identity authentication equipment comprising the imaging device, which has better anti-counterfeit performance, and can effectively improve the stability and applicability of a biometrics identification system.

The invention relates to a system and a method for improving the read-write success rate of radio frequency identification (RFID) tags on a movement production line. The system consists of a production management application server, read-write control, data detection, error correction control and security protection; the read-write control, the data detection, the error correction control and the security protection are respectively connected with the production management application server through a wired network and / or a wireless network; four different terminals using a computer, RFID, automatic control and the like and the production management application server execute tasks respectively set and are tightly matched; the data in the RFID tags is subjected to the functions, such as precise identification, multiple writing, verification, information protection, and automatic sorting of failure lags on the movement production line; the read-write success rate of the RFID lags data on the movement production line is remarkably improved; the productive efficiency is optimized; and the intelligent management for the production line is realized, so the system and the method provided by the invention have excellent polularization and application prospects on the modern industrial production line.

The invention relates to an insurance policy generating method and an insurance policy generating device. The insurance policy generating method comprises the steps of: configuring an insurance type clause library and an insurance policy element library; receiving an insurance request sent by a request initiator, responding to the insurance request and automatically matching insurance policy elements associated with the insurance request in the insurance policy element library according to an insurance policy type contained in the insurance request; automatically matching insurance type clauses associated with the insurance request in the insurance type clause library according to insurance types contained in the insurance request; and generating an electronic insurance policy according to the insurance policy elements associated with the insurance request, the insurance type clauses associated with the insurance request and original insurance policy data in the insurance request. The insurance policy generating method can reduce the time cost.

The invention relates to a slow-release flavor filter stick and a preparation method thereof. The preparation method comprises the steps of polyethylene glycol mixture preparation, preparation of paste materials containing flavor substances, slow-release flavor filter stick preparation and the like. The slow-release flavor substance paste mixture is high in plasticity and capable of being prepared into filter sticks with different shapes, and therefore cigarette appearance recognition degree and anti-falsification are increased; in addition, compared with a traditional filter stick adding with a fragrant core wire, the flavor amount of the slow-release flavor filter stick is greatly increased, flavor is added uniformly, volatilization of the flavor substances in the preparation process is reduced obviously, and flavor is completely retained; when a person smokes a cigarette, the smoke temperature is decreased along with solid and liquid phase transformation of the slow-release flavor substance paste mixture and calorific potential generation, the fragrance is met, and meanwhile burning sensation of the oral cavity is reduced.

The invention belongs to the technical field of printing anti-counterfeit technical and discloses a manufacturing method for printed matter anti-counterfeit mark of combination splicing of grating and image carrier. The manufacturing method comprises the following steps that S1, background color blocks are built, specifically, four channels of the cyan channel, the fuchsine channel, the yellow channel and the back channel are separated to form four color plates of the cyan color plate, the fuchsine color plate, the yellow color plate and the black color plate, and the four color plates are screened; S2, graphic and text information needing to be hidden is manufactured; S3, the graphic and text information needing to be hidden is partitioned to form a part A and a part B; S4, the graphic and text information A is placed into the cyan plate, and the four color plates of the yellow color plate, the fuchsine color plate, the cyan color plate and the black color plate are combined to form a digital image with the hidden graphic and text information; S5, the grating is manufactured according to the background color blocks, specifically, the grating is processed, the graphic and text information B is placed in the explicit-implicit grating, and the explicit-implicit grating with the graphic and text information is formed; and S6, the graphic and text information on the grating and the graphic and text information placed in the digital image are spliced, and the anti-counterfeit mark with the complete hidden information is obtained.

The invention provides an anti-counterfeiting fiber with fluorescence fiber color changing with the change of an optic angle of exciting light and an anti-counterfeiting material, which relates to fluorescence fiber with illuminant color changing with the change of the illumination angle of exciting light and an anti-counterfeiting material. The anti-counterfeiting fiber is combined by at least two material components extending parallelly without twisting along the length direction of the fiber, at least one component contains luminescent material and the anti-counterfeiting fiber is characterized in that: the distribution of at least two components of the fiber at the cross section causes the fiber to construct an exciting light shielding structure which can shield the exciting light and an oriented structure with oriented direction, thus ensuring that at least two illumination angles A and B of the exciting light exist at the upper space of the plane when the fiber falls down to a plane parallel to the horizontal plane due to free-fall gravity; and the illuminant color has obvious visual differences when the two angles illuminate to the fiber. The method solves the difficult problem that the visual characteristic of fluorescence anti-counterfeiting material is easy to be imitated by printing fine line for the first time in the world.

The invention provides a combined anti-counterfeiting mark which comprises a two-dimensional code, a blank space and a dot chart, wherein the two-dimensional code, the blank space and the dot chart are arranged in the same plane. The generation method of the combined anti-counterfeiting mark comprises the steps of obtaining a two-dimensional code pattern which is converted by plaintext information and ciphertext information and has the blank space where the dot chart is to be embedded through a two-dimensional code generator, generating a dot chart pattern with the area not greater than that of the blank space through a dot chart generator, and superimposing the dot chart pattern on the blank space in the two-dimensional code pattern. The generation device of the combined anti-counterfeiting mark comprises the two-dimensional code generator, a dot chart ID (Identity) database, a dot chart pattern generator and a merging device. The combined anti-counterfeiting mark is formed by combining the two-dimensional code and the dot chart; information bonded with the anti-counterfeiting mark cannot be acquired even if the anti-counterfeiting mark is copied by a counterfeiter; and the anti-counterfeiting mark has high-grade anti-counterfeiting performance.