292 results about "Palm vein" patented technology

A method of personal identification includes switching between visible and near infrared light, acquiring palmprint image and palm vein image from a person under the visible and the near infrared light, extracting sub-images from the palmprint image and the palm vein image based on a region of interest, extracting multiple features from the sub-images, and matching the extracted multiple features with stored information in a database to authenticate the person.

The invention relates to a palm vein feature extracting and matching method based on eight neighborhood and secondary matching. The method comprises the following steps that 1) a palm vein image is collected; 2) the collected vein image is pre-processed, a palm is extracted in a binary manner, key points of the palm are positioned, and the vein image is enhanced by histogram equalization after normalization; 3) a vein contour is extracted from the enhanced vein image in a Niblack threshold segmentation method; and 4) feature points are extracted in the eight neighborhood algorithm, and a matching method in which local neighborhood matching is combined with European distance matching is used. The method provided by the invention is higher in the safety level.

The invention discloses a device for collecting a multispectral image and a method thereof. The device at least comprises an infrared sensor (1), a device cover (2), ground glass (4), a multispectral light source circuit (5), a device transverse plate (6), a CCD camera (7), a power circuit (8) and a singlechip controlling circuit (9). Under a multi-spectral condition, the device and the method adopt active light of a single band and / or combined band of 400nm to 1,060nm to illuminate a palm to realize image shoot; and a light source is adjusted through a computer soft control method to realize high-quality image acquisition, display and storage. The utilization device and the method are used for obtaining high-quality palm images under the multi-spectral condition, and information including a palm print, a finger print, a palm vein and the like, thus solving problems of in vivo detection and improving the accuracy and safety of a palm biometrics identification system.

A method of personal identification includes switching between visible and near infrared light, acquiring palmprint image and palm vein image from a person under the visible and the near infrared light, extracting sub-images from the palmprint image and the palm vein image based on a region of interest, extracting multiple features from the sub-images, and matching the extracted multiple features with stored information in a database to authenticate the person.

The present invention discloses an identity recognition method for recognizing the biometric features of a predetermined palm by biometric features stored in a database. The method of the invention includes the following steps of: (S1) forming an initial image; (S2) determining if the initial image matches the image of the palm, if yes, process step (S3); (S3) applying a convolution process to the initial image; (S4) capturing a plurality of biometric features by Scale Invariant Feature Transformation (SIFT); and (S6) comparing the plurality of the biometric features of the initial image to the biometric features stored in the database.

The invention provides a near-infrared imaging device and an identification method based on the palm vein and the palm print. Firstly, a palm image is obtained through a near-infrared imaging device, the central subblock sample needed to be processed is extracted, the subblock is inputted into two feature extraction modules: a genus palm print information code extraction and a vein structure extraction, then the two features are respectively matched, each own similarity of the two features is respectively calculated through using different similarity evaluation methods, the optimized weighted array of the genus palm print and the vein vessel structure is obtained according to a training sample, then the two similarities perform the similarity level fusion, then the similarity level after the fusing performs decision-making and comparing according to a scheduled threshold value, and then the final determination is obtained in reference to the fusioned matching. The near-infrared imaging device and the identification method based on the palm vein and the palm print can overcome the disadvantages of less image features and single processing, and has the advantages of improving the identification rate and the stability of the system.

The present disclosure generally pertains to systems and methods for tracking vehicle riders, such as students riding in a school bus, for example. In one embodiment, the disclosed system has a biometric device, such as a palm vein reader, configured to identify users who are expected to ride a school bus. When a student rider either gets on or off the bus, the biometric device is used to identify the rider. An automated controller on the bus maintains a list of expected passengers on the bus, and based on the biometric device, the controller maintains data, referred to hereafter as “rider data,” indicating whether each expected passenger is currently on the bus. The rider data is updated, in real time, as riders get on and off the bus at various stops.

The invention discloses a non-contact type palm print and palm vein recognition system, which comprises an active light source, an image acquisition device, a data transmission controller and a core processing device. The active light source is used for providing visible light and near infrared light for image acquisition, the image acquisition device is used for acquiring palm print images and palm vein images according to reflecting light, which is illuminated onto a palm of a user, of the visual light and the near infrared light, the data transmission controller is used for transmitting the palm print images and the palm vein images to the core processing device, and the core processing device is connected with the data transmission controller, is used for preprocessing the palm print images and the palm vein images, and then realizes feather comparison of preprocessed images and stored reserved samples so as to realize identification. The non-contact type palm print and palm vein recognition system realizes non-contact type palm image acquisition and recognition, improves palm recognition precision, is safe and sanitary and is convenient in use. Besides, energy consumption is saved, and simultaneously, the service life of the system is prolonged.

The present invention relates to an on-line palmprint and palm vein image identity identification method and a special acquisition instrument thereof. An on-line palmprint and palm vein image acquisition instrument consists of a digital video camera, a visible light source, an infrared light source, astigmatism paper, a single chip microcomputer controller, communication interfaces, a computer, an instrument bracket, an instrument shell, an instrument box and a palm box, wherein, the instrument shell is fixed on the instrument bracket, forming the instrument box in which the digital video camera, the visible light source, the astigmatism paper and the single chip microcomputer controller are arranged; the digital video camera and the single chip microcomputer controller are connected with the computer through the communication interfaces; the palm box is communicated with the instrument box. The instrument of the present invention is used to acquire palmprint images and palm vein images in higher resolution, has the advantages of real-time acquisition as well as nearly simultaneous acquisition of palmprint and palm vein images, and can meet the requirements of on-line identity identification. The image identity identification method of the present invention has better anti-counterfeiting property and higher recognition rate.

The invention provides a palm feature identification method, a palm feature identification device and a storage medium. The palm feature identification method comprises the following steps: after an image collection instruction is received, collecting first image information of a palm in real time, obtaining a binary image of the palm according to the first image information, then obtaining a moving speed of the palm and an inclination angle and distance of the palm relative to the palm feature identification device according to the first image information and the binary image, collecting second image information of the palm when an identifiable condition is satisfied, extracting a palm shape feature, a palm print feature and a palm vein feature of the palm after preprocessing the second image information, and finally performing identification and comparison on the palm shape feature, the palm print feature and the palm vein feature with a registration module recorded in a database. The problem that the identification error rate and the refusal error rate are relatively high caused by the movement and inclination of the palm is avoided, and the stability, robustness and accuracy of the identification are improved.

The invention discloses a palm vein identification intelligent building visible intercom system. The palm vein identification intelligent building visible intercom system comprises a power supply, a power supply driving circuit, a palm vein collection circuit, an SD card, an SD card interface circuit, a single-chip microcomputer, an LCD display circuit, an LCD display screen, an audio output circuit, a loudspeaker, an RS232 / 485 communication conversion circuit and an access controller. The power supply is connected with the single-chip microcomputer through the power supply driving circuit. The palm vein collection circuit is connected with the single-chip microcomputer. The SD card is connected with the single-chip microcomputer through the SD card interface circuit. The single-chip microcomputer transmits intercom visible information to an LCD display screen through the LCD display circuit and is connected with the access controller through the RS232 / 485 communication conversion circuit. The access controller controls the on-off state of a door. The single-chip microcomputer controls logic communication between palm vein identification and circuits. According to the invention, the palm vein biological identification technology is adopted, users can be accurately identified, an access control system is accurately controlled, and the safety of a district is ensured.

The invention discloses a low-resolution multi-spectral palm print and palm vein real-time identity recognition method and system. Palm images are collected by the system under the condition of five spectrums, and complementarity of multi-spectrum image information is fully utilized to improve the system recognition rate; meanwhile, palm vein information is collected under the condition of near infrared spectrums so that the system can have the living body detection ability and the counterfeit attack preventing ability of the system can be improved; characteristic extraction speed and other postprocessing speed are improved through the down sampling technology based on bicubic interpolation, and storage space of a characteristic template is saved; characteristic extraction is carried out through a multi-scale multi-directional filter, the influence of lighting changes on characteristic extraction is reduced, and the robustness of the system is improved; a characteristic matrix is coded through a hash table, and system matching speed is further improved; the recognition rate of the system is further improved through the unique fraction-level multi-spectral characteristic fusion method. The system has the advantages of being high in resolution ratio, high in recognition speed, good in stability and expansibility, resistant to counterfeit attack and the like.

The invention discloses an access control system based on palm vein authentication and an authentication method using the same. The system comprises a plurality of palm vein terminals, a central processing unit (CPU) and a plurality of door control devices, wherein, the plurality of the palm vein terminals acquire palm vein images of a user to be authenticated, process and then send the images tothe CPU; the CPU stores rights information, safety rule information and palm vein information of a legal user, reads the palm vein images of the user to be authenticated, judges whether opening of a security door meets the safety requirements based on preset matching rules and safety rules, and sends an opening command to the corresponding door control device if opening of the security door meetsthe safety requirements; and the plurality of the door control devices respond to the opening command to control the corresponding security door to open. By utilizing the system and the authentication method using the same, the defects such as limited authentication efficiency and accuracy caused by easy theft, replication or pollution of an authentication reference object in the existing security access control authentication based on ID (identity) card and fingerprint identification are overcome, thus meeting higher safety requirements.

The invention discloses a palm print palm vein image layer fusion method based on wavelet transformation and a Gabor filter. The method comprises the following steps: 1, acquiring palm print and palm vein images, and then respectively extracting regions of interest (ROI); 2, performing image layer fusion based on the wavelet transformation and Gabor filtering on input ROI images, i.e., performing the wavelet transformation on the palm print palm vein images after ROI extraction by use of a two-dimensional Mallat algorithm, enhancing textures of high-frequency subimages by use of the Gabor filter, and finally obtaining images after fusion by reconstructing the images by use of a two-dimensional Mallet rapid algorithm; 3, performing subspace-based feature extraction on the obtained fusion images; and 4, performing classification by use of a nearest neighbor classifier. The palm print palm vein image layer fusion method based on the wavelet transformation and the Gabor filter, provided by the invention has the advantages of quite high security and quite high recognition rate.

Embodiments of the invention(s) described herein enable a system that may rely on a biometric identifier entry validation system The validation system uses biometric methods such as facial recognition, palm veins, and thumb prints as an entry or passage token. The validation system associates a form of fare media such as a smartcard or other electronic payment method with the biometric identifier after repeated transactions where both the fare media and the biometric identifier are read. In this manner the biometric identifier becomes a biometric token that replaces the need to use a form of fare media. Accordingly, the biometric identifier user can be validated for passage without the need to carry a form of fare media and, in some cases, in different geographic locations.

The invention relates to a ticket checking system combining palm vein authentication and mobile positioning and a ticket checking method combining palm vein authentication and mobile positioning based on the system. In order to solve the problem of low accuracy and real-time performance of palm vein authentication in a ticket checking system with a large user volume, the invention provides the method combining mobile positioning user position technology and palm vein authentication, the method greatly reduces the number of matching candidate samples during palm vein authentication and well solves the problem that the palm vein authentication technology is constrained by the number of the users, and tickets can be checked in a convenient, safe and quick manner.

The invention discloses an electronic record information security management system, comprising a registering module, a man-machine operation module, a biological feature extraction module, an identity authentication module, a risk assessment module, a virus feature base, a virus real time scanning module, a system abnormity assessment module, an electronic record database with a built-in encryption module, a data isolation uploading module and a central processing unit. According to the invention, multiple verifications such as vocal print verification, face verification, palm vein verification and random secret key verification are integrated; the electronic record information security is greatly improved; meanwhile, the system is equipped with the built-in virus scanning function; once intrusion is discovered, the system built-in data protection and clear function further ensure the electronic record information security.

The invention discloses a palm vein authentication method based on a convolutional neural network. The palm vein authentication method based on the convolutional neural network comprises the followingsteps of S1, training the convolutional neural network according to a training sample set image; S2, inputting a user registering image into a convolutional network model for generating a characteristic vector; S3, inputting a to-be-identified image; S4, performing comparison identification on a to-be-identified characteristic vector and a template characteristic vector which is stored in a template storage module; and S5, extracting a highest value of a probability value which is obtained from a result, if a highest value is larger than a fixed threshold, determining authentication success,and otherwise, determining authentication failure. According to the method, through the improved model, model scale is greatly reduced, and furthermore a plurality of data set combined training methods are supplied for settling a defect of small sample scale in identity authentication application. In a characteristic authentication step, multiple perception machines are utilized for calculating similarity probability of comparison identification. The parameters of the plurality of perception machines can be trained on line and updated automatically, thereby improving authentication speed and precision.

The invention discloses an enterprise economic management information security system, which includes a registration module, a man-machine operation module, an identity authentication module, a central processing unit, a data processing module, an enterprise economic management information database, a virus feature database, a regular inspection module, a virus Feature matching module, system anomaly evaluation module, data isolation upload module and data analysis module. The present invention integrates voiceprint verification and palm vein verification, which greatly improves the security of information. At the same time, it has a virus scanning function. Once an intrusion is found, the system has a data protection and clearing function, which further ensures the security of electronic file information. Each data entry carries the identity information of the person who entered it, which realizes the traceability of the data, and has its own data analysis and statistics function, which provides a basis for enterprise economic management decision-making.

The invention provides an identity information identification method and an identity information identification system. The method comprises the following steps: supporting the palm: placing the palm to be identified on a palm-supporting device; obtaining hand back vein information: obtaining a palm vein image of the palm to be identified on the palm-supporting device; obtaining palm print information: obtaining a palm print image of the palm to be identified on the palm-supporting device by a palm print information obtaining device aligned to the other side of the palm-supporting device; processing and identifying an identity: respectively processing and obtaining corresponding hand back vein texture information and palm print texture information; constructing an identity characteristic vector according to the hand back vein texture information and the palm print texture information; and comparing the identity characteristic vector with registered sample characteristic vectors preliminarily stored in an identity characteristic vector library to judge the identity of a user.

The invention discloses a deep learning palm vein recognition system based on cloud side cooperative computing. The system is mainly composed of a cloud computing layer, an edge computing layer and aterminal layer. The calculation and storage capabilities of the whole identification system are determined through the combination of three layers; the system specifically comprises a cloud storage module, palm vein acquisition and identification equipment and a client; the cloud storage module can provide computing resources required by training for the model and transmits the trained model to anedge calculation module of the palm vein acquisition equipment; the terminal collects the recognition condition of the deep convolutional neural network model, and feeds back the recognition condition to the deep convolutional neural network model chip on the cloud storage module through the edge calculation module.Continuous training, application, feedback and retraining are performed, and the accuracy of the finally obtained palm vein recognition model is greatly improved through repeated effective iterative training. The rear-end cloud storage module can also realize rapid deployment and unified management of the palm vein recognition system according to the resource configuration and management capability of the cloud platform.

Embodiments of the invention(s) described herein enable a system that may rely on a biometric identifier entry validation system. The validation system “learns” the use pattern of a user. The validation system uses biometric methods such as facial recognition, palm veins, and thumb prints as an entry or passage token. When enough data has been collected, the validation system sends the user's biometric identifier to the use location within a bounded time frame when it expects a regular user to arrive at that location and within that time frame. In this manner the biometric identifier becomes a biometric token that replaces the need to use a form of fare media. Thus, the validation system becomes more efficient and recognizes a user faster after collecting data of a user for a short time. The validations system can record and interpret historic data. With this data, the validation system knows, on average, when to expect that passenger to arrive and where.

The invention discloses an identify recognition method and an identify recognition system. First, a high-resolution palm vein image is acquired through an image acquisition mode combining CCD and FPGA. Then, the original palm vein image is preprocessed, local invariant features of the image are extracted based on training data (acquired during registration) and test data (verified online), the similarity between a test data feature point vector and a training data feature point vector is measured through use of Euclidean distance for feature matching, a decision is made according to the feature matching rate after matching, a decision result is output directly for a palm vein image with high feature matching rate, and for a palm vein image with low feature matching rate, image 3D deflection angle estimation and 3D rotation are carried out, feature selecting and matching is carried out again on the rotated image, and a decision result is then output directly.

The invention provides a palm print and palm vein image acquisition device and a customs clearance gate. An opening is arranged on a contact panel, a glass panel used for forming an airtight imaging environment is arranged at the opening in a recessed manner, and forms a sunken area with the contact panel, a signal is sent to a main control unit when a touch sensor detects contact of a palm, and the main control unit controls a light source to emit visible light or near-infrared light, and controls a camera to collect a palm print image and a palm vein image of the palm according to the visible light or near-infrared light emitted by the light source. Not high precision caused by illumination influence of external environment is avoided, precision and stability are improved, positioning columns on a traditional palm print collection equipment is omitted, thus flexibility is improved, the palm vein image is utilized to perform bio-assay, and thus anti-counterfeiting performance is improved.

The invention discloses an intelligent access control system integrating 3D face and palm vein recognition. The intelligent access control system comprises a computer, a face recognition module, a palm vein recognition module, a microwave sensing module, a storage module, a microprocessor control module, an Ethernet communication module, a voice module, an electromagnetic lock control module, a power supply module and a heating module, wherein the face recognition module, the palm vein recognition module, the microwave sensing module, the storage module, the Ethernet communication module, the voice module, the electromagnetic lock control module, the power supply module and the heating module are all connected with the microprocessor control module, and the Ethernet communication module is connected with the computer through the Ethernet network. Compared with the prior art, the scheme adopts a dual-recognition mode, so that the safety factor is increased; besides, the computer can monitor and record data in real time through communication with the computer by the Ethernet network; by means of the design of the heating module, the access control system can operate normally in winter and is convenient for a user to use.

The invention discloses a method for using human body palm biology information to identify identities, and relates to an identity identification method. The method for using the human body palm biology information to identify the identities includes following steps: a, collecting images of palm veins and finger outlines: collecting the images of the palm veins and the finger outlines through photographing once under 850nm near infrared light; b, extracting the lengths and the widths of a little finger, an index finger, a middle finger and a ring finger from the images, calculating relative information between the length and the width of each finger, and using the relative information as four finger outline feature information; c, positioning an area which the palm veins are interesting in, and extracting palm vein information so as to form palm vein feature information; d, identifying matching. The method for using the human body palm biology information to identify the identities solves the problem that identification accuracy is influenced due to the fact that the palm veins of a small quantity of crowds are poor in definition by adding finger outline features convenient to obtain, and furthermore meets requirements for single biology feature identification accuracy by using the palm vein information in a human body, which is high in security and high in user acceptance level, to identify the personal identities.

The invention relates to a vending machine based on an artificial intelligence technology and a method thereof. The vending machine comprises a cabinet body and a mobile phone, wherein the cabinet body is provided with a cabinet door, a door closing sensor is arranged between the cabinet body and the cabinet door, the cabinet body is internally provided with a wide-angle static camera and a wide-angle dynamic camera, the cabinet door is provided with a scanning identification code, a human face identifier and a palm vein recognizer, and goods and the vending machine are managed in a mobile manner by logging in a mobile phone goods management system.

A biological identity authentication and payment system based on hand vein identification and an identity authentication method are disclosed. A palm vein acquisition unit and a display interaction unit are included and are connected through a data line. The palm vein acquisition unit comprises a hand vein palm holding body, a lens module group, an image sensor, an infrared light emitting diode array, a light intensity sensor, a controller, a data storage unit, an encryption chip, and a communication interface which is connected with the display interaction unit. The electrical connection relationship of the palm vein acquisition unit is that the image sensor, the infrared light emitting diode array, the light intensity sensor, the data storage unit, the encryption chip, and the communication interface are connected with the corresponding interfaces of the controller respectively. The system and the method have advantages that a user only needs to register one-time hand vein information and bind a personal payment account to a hand vein identification biological identity authentication device for one time so that the binding of personal property account information and personal biological authentication information can be completed; and compared with other biological identification technology, the technology in the invention possesses high safety.

The invention discloses a security box unlocking system based on palm vein recognition and a method thereof. The system comprises a palm vein recognition device, a central processing unit and a lock driving device, wherein the palm vein recognition device is used for acquiring the palm vein data of the user and sending the data to the central processing unit after processing the data; the central processing unit is connected with the palm vein recognition device and is used for reading the palm vein data sent by the palm vein recognition device, searching for the prestored legal palm vein data of the user and comparing the read palm vein data with the legal palm vein data, considering the authentication is successful if the two kinds of data are consistent and simultaneously sending an unlocking instruction to the lock driving device; and the lock driving device is connected with the central processing unit and a security box lock and is used for responding to the unlocking instruction to drive the security box lock to open or close. The system and the method have the following advantages: unlocking operation is carried out based on the palm vein data authentication result, so the authentication accuracy is high; and the system and the method have the functions of user registration, user unlocking, user browsing, user deletion, log inquiry, internal alarm, power failure emergency treatment and the like.