55results about How to "Judging authenticity" patented technology

The invention discloses a data sharing method and system, a blockchain system, and computing equipment. The data sharing method comprises the following steps: after receiving data from a data owner, a data storer stores the data and submits basic information of the data to the blockchain system; when receiving an access request from a user, the data storer judges whether the user sending the access request has an access authority or not according to the basic information stored in the blockchain system and the access authority of the user for the data; and if the user has the access authority for the data for which the access request is sent, the data storer provides the data to the user according to the access authority. The data sharing method and system, the blockchain system and the computing equipment adopting the technical scheme have the advantages that costs and resource input can be greatly reduced, and global sharing control for the data can be achieved.

The invention discloses a human face characteristic comparison method. The method comprises the following steps of: tracking a human face to acquire characteristic points and extracting detailed human face characteristic data; comparing human faces, namely comparing the human face characteristic data with the characteristic data of each human face in a human face database to acquire the similarity; judging whether a matched face has been found, wherein delta is a similarity threshold value; if Smax is more than delta, judging that the input face is matched with the face k' in the database; judging whether an expression is changed obviously or not; performing analysis according to continuous multi-frame human face characteristic points which comprise but not limited to the opening and the closing of a mouth and the opening and the closing of eyes; and judging whether the human face expression is changed obviously or not and outputting the compared human face. The human face characteristic comparison method belongs to the technical field of biological feature identification, is applied to human face tracking and comparison and is widely applied to various human face comparison systems.

The invention relates to a campus personnel safety management system based on deep learning and face recognition features, which comprises a background management system and a channel group consistingof a plurality of access control systems, the background management system comprises teacher and student card information and attendance management, embedded equipment information maintenance and face acquisition App; the channel groups are divided into barrier channel groups and barrier-free channel groups, wherein the barrier channel is provided with card swiping equipment or video recognitionequipment, the barrier-free channel group is provided with video identification equipment and a high-definition monitoring camera; when students and teachers swipe campus cards and pass through the barrier channel group, the card swiping equipment collects information of campus cards or the video recognition equipment collects face images of passing persons. The identification equipment carries out comparison and identification on campus card identification codes preset in a background system database by students and teachers or personal photo information stored in the database according to anidentification method, so as to judge whether the students enter school, leave school, get in and out of dormitories through the channel group and whether the students and teachers normally work or not.

The invention provides a message authentication method. The method includes a first terminal, a second terminal and a third terminal, and includes: using scalability of a civil navigation message format to write a key K<m-i>, which is of encrypting [m-i]-th navigation data, into a later-generated m-th authentication navigation signal by the second terminal, writing an encryption result into a m-iauthentication navigation signal, and sending the same to the third terminal; extracting the key K<m-i> in the received m-th authentication navigation signal by the third terminal, using the key K<m-i> to re-encrypt received [m-i]-th navigation data, and if an encryption result is the same as the encryption result in the m-i authentication navigation signal, determining that the [m-i]-th navigation data pass verification, and if the encryption results are not the same, determining that the [m-i]-th navigation data do not pass verification. An effect of completing verification on the navigationdata in a case of not increasing equipment complexity is realized. On another aspect, the invention also provides electronic equipment, a system and a computer-readable medium which execute or storethe above authentication method.

The embodiment of the invention provides a channel management method and system, belonging to the data processing field. The method comprises the following steps: obtaining a reporting request from achannel broker terminal device, wherein the reporting request includes basic information of a reporting user and basic information of a channel broker; obtaining the distance between the channel broker terminal equipment and the building disk based on the request for submission and standby; obtaining a first judgment result for characterizing whether the distance is greater than a preset distancebased on the distance and the preset distance; when the first determination result is yes, determining that the backup request is successful. By judging whether the distance between the channel brokerterminal and the building is greater than the preset distance, when yes, it is judged that the reporting request sent by the channel broker terminal is successful, so that the authenticity of the reporting request sent by the channel broker terminal can be accurately judged, and the channel broker can be prevented from defrauding the commission by reporting the naturally visited customer in the channel reporting manner.

The invention discloses a fingerprint anti-counterfeiting method and a fingerprint identification device. The fingerprint anti-counterfeiting method is suitable for the fingerprint identification device provided with a photosensitive element. The fingerprint anti-counterfeiting method comprises the following steps detecting a variable quantity of transmittance of a finger, judging whether the finger is real according to whether the variable quantity of the transmittance of the finger is in a preset scope, and performing fingerprint induction on the finger when the finger is judged to be real. Through detection of the variable quantity of the transmittance of the finger, and according to the fact that whether the detected variable quantity of the transmittance is in the preset scope, whether is finger is real is judged.

The embodiment of the invention discloses an address information verification method and device. The method comprises the steps that first address information provided by a user is received, and the first address information is compared with at least one piece of second address information, obtained from different channels, of the user; when the comparison result difference exceeds a preset threshold value, a first sub-graph based on the first address information and a second sub-graph based on the second address information are constructed from a user relationship graph; and calculating the similarity between the first sub-map and the second sub-map, and determining the authenticity of the first address information.

The invention discloses a community detection method based on a block chain social platform, and the method comprises the following steps: 1, obtaining all user addresses and account transfer information of the user addresses on the block chain social platform, and building an account transfer relation digraph according to the account transfer relation among the user addresses; 2, finding out abnormal points and/or abnormal paths appearing in the transfer relation directed graph, and confirming abnormal user information with abnormal transfer behaviors according to the found abnormal points and/or abnormal paths; 3, acquiring operation information of all users on the block chain social platform; 4, performing clustering analysis on the acquired operation information according to the time dimension, and searching for outlier user information which is greatly different from the normal behavior mode; and 5, aggregating the abnormal user information and the outlier user information in a weighted summation manner to obtain non-real user information and/or user information with low activeness. The abnormal behavior of the user is effectively and reasonably detected so as to judge the authenticity and effectiveness of the user.

The invention discloses a method and a system for identifying behavior characteristic credibility based on a constructed comparison threshold, belongs to the technical field of sample data acquisitionand analysis, and solves the problem that the authenticity and credibility of data cannot be judged by comparing information with third-party data or performing data cross comparison in the prior art. The method comprises the following steps of: acquiring data parameters of answers familiar to a user from a text input control, namely acquiring a positive sample; Carrying out derivative variable analysis on the collected positive sample, and expanding a targeted variable; And finding out the universality of targeted variables to serve as a final comparison threshold range; Comparing the inputinformation of the user to be identified with the threshold range to obtain an abnormality judgment.. The text input content collecting method and the text input content collecting device are used forcollecting the text input content at the mobile device end.

The invention discloses a thermal transfer printer, an upper computer, a consumable encryption system and a consumable encryption method, and relates to the field of thermal transfer printing. The thermal transfer printer comprises a printer mainboard and at least one card reader, an onboard IC card and a micro-control unit are arranged on the printer mainboard, the micro-control unit is connectedwith the onboard IC card and each card reader, and the micro-control unit is further connected with an upper computer; the card reader is used for acquiring first encrypted data of an external IC card arranged on the consumable; and the micro-control unit is used for reading the second encrypted data of the onboard IC card, sending the first encrypted data and the second encrypted data to the upper computer, and receiving the authenticity of the consumable returned by the upper computer and judged according to the first encrypted data and the second encrypted data. The thermal transfer printer is suitable for heat transfer printing, an attacker can be prevented from intercepting plaintext information from a printer mainboard and cracking the plaintext information, the safety is higher, and the possibility that an encryption and decryption algorithm is exposed to a third party due to cracking of the onboard micro-control unit is eradicated.

This invention relates to an apparatus and method for inlaying machine-readable watermark into picture. To embed an invisible false proof mark, with a special illuminating beam coder and coding background screen, embedding a random illuminated coded watermark pattern and background coded watermark pattern, as well as the (1) object shape, (2) character and false proof mark, and (3) self-defined mark of the shooting field, all into the photo in the exposing moment based on the optical synthesis principle. To check the mark, converting the photo into a digital image by a photo-electric device, and using the machine-read device to extract the watermark and hidden information with the key for decision. This invention provides technical guarantee to opposite department.

The application discloses a card-making device of an artwork anti-fake smart card. The card-making device comprises a processor, a storage unit, a communication unit, an interacting unit, an artwork information acquiring unit and a card printer; an id and a device public key are stored in the storage unit; the artwork information acquiring unit comprises a chamber, a rotary table for loading the artwork is arranged in the chamber; the top, the bottom and the sides of the chambers are provided with at least one camera device; the artwork information acquiring unit further comprises a weighing device for acquiring the weight of the artwork; the card printer is used for reading-writing the smart card to finish the manufacturing of the artwork anti-fake smart card. The application further discloses a server and card-making method of the artwork anti-fake smart card. One anti-fake smart card can be manufactured for each artwork in the premise of not damaging the artwork and not influencing the appearance of the artwork, and detailed information of the artwork is stored in the server. The anti-fake smart card is used for displaying and transacting together with the artwork and can be used for judging the true or false of the artwork.

The invention discloses a system and a method for judging authenticity of an automotive air conditioner refrigerant. The system comprises a refrigerant temperature sensor, a refrigerant pressure sensor and a signal processing module, wherein the refrigerant temperature sensor is used for collecting temperature signals of the refrigerant; the refrigerant pressure sensor is used for collecting pressure signals of the refrigerant; the signal processing module comprises a memorizer, a controller and a display; the controller is respectively connected to the refrigerant temperature sensor, the refrigerant pressure sensor, the memorizer and the display; the controller is used for receiving pressure signals and judging whether the pressure value of the refrigerant is gradually increased from being zero or near zero to a predetermined pressure value, and if yes, determining that the air conditioner system is refilled with the refrigerant once; the controller is further used for judging whether the same group of collected pressure values is in the allowable pressure range according to collected temperature; if the same group of collected pressure values is in the allowable pressure range, the refrigerant is true and a timer starts a new turn of timing; if the same group of collected pressure values is not in the allowable pressure range, the refrigerant is false and the timer starts timing. The system and the method are capable of judging the authenticity of the filled refrigerant.

The invention relates to the field of communication, and discloses a ticket printing method and device, and application. According to the invention, the method comprises the following steps: obtaining the start space coordinates of a vehicle at a start point when a signal for representing the start is detected; obtaining the end space coordinates of the vehicle at an end point when a signal for representing the end is detected; generating a graphical recognition code, wherein the graphical recognition code comprises the information of the start and end space coordinates; and printing the graphical recognition code on a ticket. The method can bring convenience to an auditor for judging the authenticity of reimbursing bill information, and protects the travel privacy of the user to a certain degree.

The invention relates to an anti-counterfeiting recognition device and method for a filter element. The anti-counterfeiting recognition device for the filter element comprises a water purifier body, afilter element body, a label, a read-write module, a WIFI module and a main control board, the main control board can obtain data in the label through the read-write module and transmit the data to acloud or an app through the WIFI module; and the main control board can record the use duration of the filter element body according to the working duration of the water purifier body, and write theuse duration information data of the filter element body into the label through the read-write module. The service life of the filter element body and the service life of the filter element are checked through the cloud or the app, so that the authenticity of the filter element is distinguished, and whether the filter element is used or not is distinguished.

The invention discloses an OCT fingerprint section image authenticity detection method based on reconstruction difference, and the method comprises the steps: S1, constructing a full convolutional neural network model which comprises an encoder, a generator and a feature extractor; s2, collecting images collected by an OCT system, and after preprocessing is completed, randomly selecting 70% of positive sample images as training data; selecting the other 30% of positive sample images and negative sample images, and taking the images as test data after quantity equalization; s3, training a network model; selecting the divided training image as input data, and setting a loss function for optimizing an encoder and a generator; setting comparison loss for optimizing the feature extractor; performing multi-round training on the established network model, updating and optimizing model weight parameters through back propagation until a loss function tends to converge, and stopping training; s4, testing the network model; and applying the trained network model, selecting a test data input model for testing, and performing authenticity judgment on an input image according to a set threshold value.

The invention relates to a QR code anti-counterfeiting method and device based on a multi-code one-item product. The method comprises the following steps: pasting a plurality of QR codes on a plurality of packages of the same commodity; scanning the multiple QR codes of the packages from outside to inside to obtain multiple scanning results; and judging the authenticity of the commodity accordingto the scanning result. According to the invention, a group of QR codes which have different levels and are associated and verified with each other are given to the commodity. Anti-counterfeiting QR codes are pasted on a packaging box, a packaging box, the outer portion of a commodity and the inner portion of the commodity, N different anti-counterfeiting codes are given to one commodity, and thecodes are different and can be verified mutually. Therefore, a group of QR codes associated with the same commodity are different from each other and can be mutually verified.

The invention relates to actual application of a technology for comparing pixels in point-to-point to the public security traffic control industry. In a system with a C/S (Client/Server) architecture, the comparison of the authenticity of scanning pictures of two seals or steel seals by naked eyes is always trouble and the errors exist. According to the technology, the two scanning pictures are divided into a plurality of pixel points according to the sizes of the images and each pixel point is numbered by using an API (Application Program Interface) technology of WINDOWS, then the pixels at the same position are subjected to three primary-color comparison and the similarity can be calculated. Since the completely identity of the two scanning parts is impossible, various similarities are accumulated, the average value of the similarities is solved and finally the authenticity of the two seals can be judged by the user according to the similarity value.

The invention relates to a false data identification method based on a digital watermarking technology. The false data identification method comprises the following steps: converging perceptual data sent by each collecting node by a cluster-head node after a network is initialized; searching identification watermark information of converged data from nodes in the cluster; processing witness watermark information provided by t witness nodes, and embedding the witness watermark information into the converged data; and after the data reaches a base station, extracting and generating witness watermarks from the received data by the base station so as to judge whether the converged data is false data or not. According to the false data identification method, the false data can be effectively identified without depending on the message authentication code (MAC) in the traditional identification method.

The invention relates to a performance testing device for pressure sensor production, and belongs to the technical field of pressure sensor performance test. The performance testing device comprises a first cavity, a plugging piece capable of moving up and down is arranged in the first cavity and divides the first cavity into an upper cavity and a lower cavity, the upper cavity is provided with a plugging piece moving measuring device, and the lower cavity is used for containing a to-be-detected sensor; an air inlet is formed in the lower cavity; the plugging piece movement measuring device comprises liquid located above the plugging piece, the liquid floats a floating block, the floating block is connected with a gravity column through a steel wire, and the gravity column is located in the second cavity. The air pressure in the lower cavity can be slowly changed, and the precision of the to-be-detected sensor is determined through the readings of the to-be-detected sensor placed in the lower cavity and the standard air pressure detection device; when the air pressure in the lower cavity reaches a certain degree, the air pressure in the lower cavity is not changed, the plugging piece moves, the plugging piece movement measuring device measures the displacement of the plugging piece, and the reliability and authenticity of the to-be-detected sensor are judged through a plugging piece position real-time movement curve.

The invention discloses a bank note processing device capable of discriminating issuing dates of bank notes. The bank note processing device capable of discriminating the issuing dates of the tank notes comprises a bottom belt, a push plate and a temporary storage box. The surface of the bottom belt, which is arranged above a bottom plate, supports the bottom surfaces of the bank notes; the push plate pushes and presses the paper notes in a gathering direction; the temporary storage box is composed of a top late and side walls. The bank note processing device also comprises a deviation operating device, which rotates from the protrusion of the bottom belt to the center of the deviation operating device; when being in contact with the deviation operating device, the bank notes gathered in the temporary storage box move towards the center of the temporary storage box through the friction force of the deviation operating device. The bank note processing device further comprises a detecting sensor for discriminating the issuing dates of the bank notes, which is arranged inside the temporary storage box. By means of an infrared sensor, the bank note processing device capable of discriminating the issuing dates of the bank notes can effectively read the issuing dates of the bank notes, then transmit and store the information data of the issuing dates into a recording module, and achieve signal connection with an external database through the recording module.

The invention discloses an STM32-based intelligent speech recognition system and method, and belongs to the technical field of speech recognition. The intelligent speech recognition system comprises auser side, a communication module, a speech recognition module and a control side; the user terminal establishes remote communication with the control terminal through the communication module, the user terminal inputs and converts voice signals of a user and transmits the voice signals to the control terminal through the communication module, and the voice recognition module recognizes remote voice signals received by the control terminal. The voice recognition module sends a remote voice recognition result to the control end; the control end controls the relay to be turned on or turned offaccording to the recognition result, and through the remote voice recognition function, when a user is not at home, the door can be remotely controlled to be opened; so that a courier can directly place an express at a doorway after a user remotely controls the door to be opened through voice, the time of the courier is saved; meanwhile, sound wave frequency recognition is additionally arranged, so remote voice recognition is safer.