31results about How to "Various identification methods" patented technology

The invention discloses a human face identification method and apparatus, and belongs to the field of human face identification. The method comprises: performing feature extraction on a to-be-identified human face image by using a plurality of pre-trained convolutional neural networks to obtain a plurality of sub-feature vectors of the to-be-identified human face image, wherein the sub-feature vectors of the to-be-identified human face image are same in number of dimensions; normalizing the sub-feature vectors of the to-be-identified human face image; performing addition on the normalized sub-feature vectors of the to-be-identified human face image, and multiplying the sum of the normalized sub-feature vectors by a coefficient to obtain a union feature vector of the to-be-identified human face image; and performing human face identification by using the union feature vector of the to-be-identified human face image or/and the sub-feature vectors of the to-be-identified human face image. According to the human face identification method and apparatus, the training time of the convolutional neural networks is shortened, the over-fitting of the convolutional neural networks is avoided, and the operation is simple and convenient; and identification modes are more diversified and the accuracy is higher.

The invention discloses a 2-(2'-hydroxyl styryl) naphthyridine probe reagent and preparation and application thereof. The probe reagent is mainly prepared by concentrated sulfuric acid, sodium 3-nitrobenzene sulfonate, boric acid, FeSO4.7H2O, 2-amino-6-picoline, salicylide, glycerol and acetic anhydride. The 2-(2'-hydroxyl styryl) naphthyridine probe reagent has the advantages that the probe reagent can selectively detect various target ions, single-probe, multi-target and multi-mode identification and detection are achieved, and the probe reagent can be used for detecting Hg<2+>, Ag<+> and F<-> ions; a probe is simple in structure, low in preparation cost, diversified in detection and identification manners, high in detection sensitivity, good in selectivity, excellent in performance, easy in operation condition control and promising in application prospect.

The invention discloses an identity recognition method, device and system based on a block chain, and a storage medium, and belongs to the technical field of networks. The method comprises the following steps: a wearable device unlocks the wearable device according to the biological characteristics of the user to be identified; signature information of the to-be-identified user is obtained according to the private key signature of the to-be-identified user; identity recognition information of the user to be recognized is sent to the first block chain node, wherein the identity recognition information comprises a user identifier of a to-be-recognized user and signature information of the to-be-recognized user, and the first blockchain node queries a public key of the to-be-recognized user on a blockchain platform according to the user identifier of the to-be-recognized user and verifies the signature information according to the public key of the to-be-recognized user so as to perform identity recognition on the to-be-recognized user. According to the invention, the identity recognition efficiency is improved, and the identity recognition modes are enriched.

The present invention relates to a numeral multiply forge-proof label of original bill. The forge-proof label comprises a carrier with a certain thickness on the outer surface of which a monochromic and / or color indicative pattern is printed and which is attached to the package of goods though an adhesive. There is a forge-proof number on said carrier, which can be verified using communication means and a forge-proof structure which can be recognized by naked eyes is arranged in the structure of said carrier, the forge-proof structure comprising a forge-proof safety line and / or a water mark with a micro identifying pattern. The invention provides a forge-proof label with the multiply forge-proof properties, which is hard to forge by criminal and easy to recognized by consumer, the recognition manner being multiplex and suitable to various situations.

The invention discloses a parking lot management method and system and a server. The method comprises the steps that an initial order is generated according to the detected unique identification information of the vehicle entering the parking lot; and unique identification authentication of the vehicle leaving the parking lot is performed and the expense information of using the parking lot is generated in the initial order according to the authentication result so that an electronic order is obtained. The technical problem of low intelligent degree caused by manually recording the license plate can be solved. Code scanning payment is only required in final payment and intelligent identification and control are performed in other situations so that the operation of the vehicle owner is easy, time consumption is short and the intelligent degree is enhanced; manual inputting the unique identification information for authentication is not required so that passing of the vehicle is fast and the efficiency is enhanced; unique identification is realized through multiple modes so that the diversified demands of people can be met; and the generated order information is finally inquired bythe vehicle owner in the form of the electronic certificate so that the reference can be provided for the vehicle owner or the manager and the subsequent tracing capability can be enhanced.

The invention discloses a probe used for multi-objective ion detection and the application thereof. The probe is prepared mainly by the following raw materials: 3(2-aminoethyl) amine, Rhodamine B, trichloromethane, 4-chlorin-7-nitryl-benzofuroxan and 7-hydroxy-8-coumarin formaldehyde. According to the probe, single-probe multi-objective selective detection can be realized by controlling the detection time, so that the detection cost is low, and the detection efficiency is high. Additionally, the probe is beneficial to analysis on a complex microcosmic system.

The invention discloses a method of using a probe to simultaneously detect trace Al<3+> and/or I<->. The chemical name of the probe is tri[bis(naphthylthioureido)-rhodamineformamido]ethylamine. Fluorescent spectrometry and UV-visible absorption spectrum are used to detect Al<3+> and I<->, or visual colorimetry is used to detect Al<3+> ions. The probe can simultaneously detect specific metal ions (aluminum ions, eg.) and negative ions (iodine ions, eg.), can also detect aluminum ions through visual detection, and is beneficial for the analysis on a complicated microscopic system.

The invention provides a driving student management method and system based on electrocardiosignal, which involve driving student identity recognition and monitor. The method includes the following steps of: A1. collecting electrocardio information of a driving student in real time through an electrocardio acquisition module arranged in a client; A2. processing information collected by the clientthrough a CPU central processor, and performing electrocardio registration or electrocardio certification on the driving student; A3. synchronizing the information collected by the client of step A1 and/or the processed information of step A2 in the client and an information management system through a communication module; and A4. achieving driving practice or examination management of the driving student by the information management system according to driving student information. The method and system of the invention can accurately verify and monitor in real time driving student identities, are more complete than original single identity recognition modes such as fingerprint recognition, have a stronger anti-cheating function, and effectively avoid the problems of swiping card for others, covering for the others, only swiping card, free of practicing and replacing the others to take an examination.

The embodiment of the invention discloses a text processing method and device, computer equipment and a storage medium. The text processing method comprises the steps of obtaining a target transaction text of a target transaction account; performing word segmentation processing on the target transaction text by adopting a preset word group set to obtain one or more target word groups; the preset word group set is obtained by performing recognition processing on a target type of text; performing text recognition processing on the one or more target phrases to obtain the type of the target transaction text; and if the type of the target transaction text is the target type, determining the target transaction account as a transaction account of the target type. By adopting the method and the device, the efficiency and accuracy of identifying the transaction account type can be improved.

The invention discloses an information processing method, an identifying method and a piece of electronic equipment. The identifying method is applied to the electronic equipment which includes or is connected with a projection device and an image acquisition device. The method comprises the following steps: projecting a first image to a first object through the projection device; using the image acquisition device to acquire a second image corresponding to the first image after the first image is projected to the surface of the first object, wherein the second image includes a first sub image corresponding to the first image and a second sub image corresponding to the first object; and identifying the first object based on the first sub image.

The invention relates to an optical disk recording and storing method applied to a case handling area and an intelligent recording cabinet. An optical disc recorder is embedded into the intelligent optical disc recording cabinet, and the whole intelligent optical disc recording cabinet is mainly composed of an industrial control board, a display device, a two-dimensional code module, a card readerand a sliding rod module. The cabinet is composed of a case handling center service system (web), a main board of a Window system and an optical disk access controller based on STM32. In the system,a central business system is a publisher of a burning task and is responsible for publishing the burning task and transmitting burning data; the mainboard with the Window system is a commander for CDrecording and access, and is responsible for issuing a command to control the CD access controller to access the CD; the optical disc access controller based on the STM32 single-chip microcomputer serves as a lower computer and is responsible for executing an optical disc access command.

A gate management system disclosed by the present invention comprises a gate end, a cloud server, a management end and a third-party server, the gate end is in communication connection with the cloud server and the management end, the cloud server is in communication connection with the management end, and the management end is in communication connection with the third-party server. The gate end comprises at least one gate unit, and each gate unit comprises a video acquisition module, a positioning module and a fault detection module; the cloud server comprises a calculation module and a storage module; and the management end comprises a first display module, a control module and a response module. Through the design of the gate end, the cloud service end and the management end, the one-machine multi-control gate control function is realized, through the communication connection with the third-party service end, the gate fire-fighting linkage function can be realized, the response is made at the first time, and greater loss and casualties are avoided.

The invention discloses an information processing method and system and a storage medium. The method comprises the following steps of acquiring a communication message reported by an accessed terminaldevice; analyzing the communication message to obtain the user agent information; and reporting the user agent information after detecting that the user agent information is valid user agent information, the user agent information being used for identifying the device information of the terminal device. The information processing method provided by the embodiment of the invention can assist in improving the recognition rate of equipment recognition.

The invention discloses a roof photovoltaic potential assessment method based on machine learning. The problems that in the prior art, a roof recognition mode is single, and errors and interference easily exist are solved. The method comprises the following steps: S1, obtaining three-dimensional remote sensing image data of a visual angle at the top of a building through a satellite or aerial photography; s2, inputting one part of data into a trained identification model, and identifying a roof area; carrying out matrix segmentation on one part of data according to rated length and width; s3, boundary identification is carried out on each matrix unit data, a closed boundary curve is obtained after restoration and combination, and a roof area is determined; s4, the roof area is calculated according to coupling of the roof area recognized by the recognition model and the roof area determined by the closed boundary curve, and the photovoltaic potential of the roof is evaluated by combining the energy consumption of the zone area where the building is located and the environment information. Through combination of the identification model and segmentation identification, the roof area is determined through combination of identification results in two modes, the identification modes are diversified, and the accuracy of the identification results is improved.