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291 results about "Palm vein" patented technology

Palm vein recognition Palm vein recognition is a biometric authentication method based on the unique patterns of veins in the palms of people’s hands.

Personal identification method and near-infrared image forming apparatus based on palm vena and palm print

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.
Owner:深圳市中识健康科技有限公司

On-line palm print, palm vein image personal identification method and its special capturing instrument

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.
Owner:HARBIN INST OF TECH

Palm feature identification method, palm feature identification device and storage medium

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.
Owner:深圳市中识智能科技有限公司

Palm vein identification intelligent building visible intercom system

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.
Owner:苏州伊伯菲信息科技有限公司

Low-resolution multi-spectral palm print and palm vein real-time identity recognition method and system

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.
Owner:WUYI UNIV

Access control system based on palm vein authentication and authentication method using same

InactiveCN102122402AMeet high-level security requirementsAchieve sharingIndividual entry/exit registersMedia access controlPollution
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.
Owner:BEIJING TIANGONG RUIFENG TECH +2

Palm vein authentication method based on convolutional neural network

InactiveCN108615002ASmall scaleSolve the disadvantages of small sample sizeSubcutaneous biometric featuresBlood vessel patternsFeature vectorData set
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.
Owner:广州麦仑信息科技有限公司

Deep learning palm vein recognition system and method based on cloud side cooperative computing

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.
Owner:WUHAN UNIV

Method for using human body palm biology information to identify identities

InactiveCN104318213ASolve the problem that the clarity is not good and affects the accuracy of recognitionAddressing the Requirements for Recognition AccuracyMatching and classificationHuman bodyCrowds
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.
Owner:SHENYANG UNIV

Biological identity authentication and payment system based on hand vein identification and identity authentication method

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.
Owner:DEEPBLUE TECH (SHANGHAI) CO LTD

Security box unlocking system based on palm vein authentication and method thereof

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.
Owner:天公(山东)信息科技有限公司 +2
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