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68results about How to "Achieve confirmation" patented technology

Method and system for authenticating passwords on basis of brain wave signals

The invention discloses a method and a system for authenticating passwords on the basis of brain wave signals, and relates to the technical field of security authentication. The method includes allowing a user to select an initial brain password according to requirements, extracting feature information of the initial brain password to form an authentication brain password, transmitting the authentication brain password to terminal equipment where security authentication is required and completely registering application of the terminal equipment; allowing the user to transmit an authentication brain password to the terminal equipment when security authentication is carried out on the application of the terminal equipment, enabling the terminal equipment to compare the authentication brain password transmitted by the user to the authentication brain password transmitted when the user is registered, checking whether the authentication brain passwords are matched with each other or not, determining that the user passes authentication if the authentication brain passwords are matched with each other, or determining that the user fails to pass authentication if the authentication brain passwords are not matched with each other. The method and the system have the advantages that the 'brain passwords' are technically used for recognizing and authenticating identities, particularly, the personal brain wave signals are difficult to counterfeit or copy, and accordingly the safety of security authentication can be effectively improved.
Owner:BEIJING WATCH DATA SYST

Method for identifying pushing action based on two-dimensional planar camera and system

The invention discloses a method for identifying pushing action based on a two-dimensional planar camera and a system. The method includes acquiring video images containing persons, and dividing hand detecting areas; realizing binarization processing for divided hands, and acquiring corresponding contours of the hands; comparing the contours of a divided current hand with a standard hand contour set in advance, and judging whether push action of the hand is performed; determining that the pushing action of the hand is performed when contour similarity is larger than a set threshold value T, extracting the hand area of the hand performing the pushing action, extracting the center of the minimum rectangle surrounding the contour of the hand, and creating a historical movement graph; and identifying the pushing action of the hand for the built historical movement graph by the aid of orientation gradient vectors. The method is simple in algorithm and high in action identification rate, and simultaneously burden on users in terms of memory is reduced.
Owner:TCL CORPORATION

Authentication method of Real-name Registration based on U disc

InactiveCN101562607AGood popularityLow priceUser identity/authority verificationInternet in ChinaNetwork service
The invention relates to an authentication method of Real-name Registration based on a U disc, which has the advantages of high security, good universality and easy operation, can be applied to the fields such as banks, securities, electronic commerce, and the like, and is specifically fit for the Real-name Registration of the Chinese Internet. When using the Internet, once a user inserts the U disc on a computer, any network stations can ensure the real identity of the user by the U disc. The method comprises the following steps: before using, the user firstly registers the U disc in an authentication center and binds the U disc and the user name; when using, the user firstly inserts the U disc, opens a login interface, and submits login information to a server to be authenticated, if the authentication center is the subsystem of the network station, user name, password and the state of the U disc are simultaneously verified, if the authentication center is a third independent system, the ID of the U disc is submitted to the authentication center to verify the state of the U disc; if the authentication is successful, the user identity is ensured to allow to use network service; and if the authentication is fail, service is refused.
Owner:姚清野

Unmanned aerial vehicle inspection ground measurement and control station and transportation safeguard system used for power transmission line

The invention discloses an unmanned aerial vehicle inspection ground measurement and control station and a transportation safeguard system used for a power transmission line. The unmanned aerial vehicle inspection ground measurement and control station and the transportation safeguard system comprise an unmanned aerial vehicle platform, a ground data real-time processing system, a ground data processing center and a data link system, wherein the unmanned aerial vehicle platform is the main platform for data collection and acquisition; the unmanned aerial vehicle platform transmits the data to the ground data real-time processing system through the data link system; and the ground data real-time processing system performs data processing, and then stores the data in the ground data processing center. The advanced and mature Z5 unmanned helicopter system in China is adopted for platform improvement; multiple kinds of high-definition sensor technologies are adopted for data collection; accurate positioning, control by the ground, intelligent recognition on lines and other obstacles, automatic collision avoidance, comprehensive analysis on multiple kinds of data, and artificial intelligence processing are carried out to obtain the work-area three-dimensional visual information; and therefore, the recognition and determination of potential safety harzards and abnormal conditions of the power transmission line, and rapid fault point positioning for the power transmission line are realized.
Owner:广西翼界科技有限公司

Testament management system and method based on block chain technology

The invention relates to the technical field of data storage technologies and information security, in particular to a testament management system and method based on a block chain technology. The testament management system comprises a data driving layer, a business logic layer and an application layer, the data driving layer is used for providing the underlying technical support, the business logic layer is used for dividing the business scenes, and the application layer is used for providing the use interfaces. The testament management method is realized based on the testament management system. By the testament management system, the defects of a traditional testament management technology can be better overcome, and the data integrity of the testament customizing, storing, updating, verifying and other processes can be effectively guaranteed through the block chain technology.
Owner:安徽中科晶格技术有限公司

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

Virtual currency payment system based on blockchain technology

The invention discloses a virtual currency payment system based on blockchain technology. The virtual currency payment system comprises a currency conversion module, a virtual currency generation module, a virtual currency payment module, an audit module and a actual payment module; the currency conversion module is used for dynamically determining a currency conversion algorithm; the virtual currency generation module is used for generating virtual currency information equivalent to an actual payment amount pursuant to the actual payment amount in line with the currency conversion algorithm;the virtual currency payment module is used for transferring the virtual currency information from a virtual account of a payer to a virtual account of a payee to complete a virtual payment; the auditmodule is used for auditing the paid virtual currency and will warn if the paid virtual currency is beyond a set value in a set time; the actual payment module is used for making an actual payment pursuant to the actual payment amount. The virtual currency payment system can effectively prevent disclosure, theft, tampering and falsification of payment information in electronic payment and enhancesecurity of electronic payment.
Owner:武汉研众科技有限公司

Recording system for driving route of vehicles on expressway based on mobile network and realizing method thereof

The invention discloses a recording system for a driving route of vehicles on an expressway based on a mobile network, comprising a route recording terminal for recording information, mobile base stations arranged on each branch of the expressway and card readers which are arranged at the inlet end and the outlet end of the expressway and are used for reading information of the route recording terminal, wherein the route recording terminal is communicated with all mobile base stations covering the driving routes of the vehicles through the mobile network according to the time sequence. According to the invention, the real routes for the vehicles to drive can be determined by recording serial numbers of the mobile stations of the expressway and the accuracy of final result can be ensured by using a double validation method, so that the problems of ambiguousness and ambiguity in the prior art for the charge situation of the expressway can be solved.
Owner:刘运涛

Data processing method of voice communication

The invention provides a data processing method of voice communication. The method comprises the steps that a first safety chip acquires a DC (Digital Certificate) of second safety equipment; the first safety chip verifies the DC of the second safety equipment, if the DC for verifying the second safety equipment is passed, the first safety equipment outputs and prompts the identification information of the DC of the second safety equipment for confirmation; after a first confirmation instruction is obtained, the first safety chip starts the voice communication and performs encryption and decryption; the first safety chip encrypts a communication secret key to obtain a ciphertext of the communication secret key, and the ciphertext of the communication secret key is signed at least to obtain signature data, and the first safety equipment sends the ciphertext of the communication secret key and the signature data; a second safety chip verifies the signature data, if the verification of the signature data is passed, the ciphertext of the communication secret key is decrypted to obtain a communication secret key; after the verification of the signature data is passed, the second safety chip encrypts and decrypts the voice communication.
Owner:TENDYRON CORP

Sporting goods borrowing and returning management system based on two-dimensional code

The invention discloses a sporting goods borrowing and returning management system based on a two-dimensional code. The sporting goods borrowing and returning management system based on the two-dimensional code comprises a borrowing and returning cabinet for storing sporting goods, a network server and a client side, wherein the borrowing and returning cabinet comprises a plurality of cabinet bodies; an electronic lock is arranged on a cabinet door of each cabinet body; a small camera is further arranged in each cabinet body; a display screen is provided with a 'user login' unit; an output end of each small camera is in communication connection with an input end of a data processing module; an output end of the data processing module is in communication connection with an input end of a controller; an input end of the display screen and an input end of a charging module are in communication connection with the controller respectively; and an output end of an electronic lock is in communication connection with an input end of the controller. Artificial operation is not required, the circumstances that office workers cannot borrow or return sports goods in day time, and returning date is delayed are solved. The borrowing time is not limited, and the price is calculated according to active returning time.
Owner:江苏一物一码信息技术有限公司

Mass spectrum detection method for interaction between active protein and small molecule

The invention provides a mass spectrum detection method for interaction between an active protein and a small molecule. According to the method, in-vivo covalent chemical labeling is performed on a protein while the active state is maintained; and the site and the intensity of the interaction between a small molecule and the protein are judged through the difference in the labeling efficiency before and after the interaction between the specific amino acid position on the protein and the small molecule. According to the present invention, with the mass spectrum detection method, the protein inhibitor candidate small molecule can be subjected to high-throughput screening, and the potential protein target of the specific small molecule can be subjected to large-scale identification analysis;and through the large-scale identification analysis of the Catechol-O-methyltransferase (COMT)-small molecule interaction and the ATP-binding protein in the complex system biological system, the method has accuracy and high efficiency.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI

Method and device for acquiring event change information

The invention discloses a method and device for acquiring event change information. The method includes: acquiring a first mapping relation set, wherein the first mapping relation set is used for describing the corresponding relation between each even identification in a first project corresponding to a currently-updated sound resource file and an event verification value, and the event verification value is obtained by performing verification operation on multiple hierarchy parameters of each event according to a preset verification algorithm; comparing the first mapping relation set with a pre-stored second mapping relation set to obtain the event change information. By the method, the technical problem that whenever a sound effect producer iteratively updates an event and after the sound effect producer packages and exports the sound resource file and submits the updated file, testing staff cannot acquire the event updating condition from the submitted updated sound resource file in the prior art is solved.
Owner:NETEASE (HANGZHOU) NETWORK CO LTD

Touch control substrate and driving method thereof, and touch control display device

The invention discloses a touch control substrate and a driving method thereof, and a touch control display device, which relates to the technical field of touch control and can improve the response speed of the touch control device to a certain extent so as to improve the user experience. The touch control substrate comprises a plurality of emission electrode patterns arranged in a first direction, wherein the emission electrode patterns comprise one emission electrode sub-pattern or a plurality of electrically connected emission electrode sub-patterns; a plurality of first reception electrode patterns arranged in the Y direction, the first reception electrode patterns including a plurality of first reception electrode sub-patterns electrically connected; a plurality of second reception electrode patterns arranged in the X direction and insulated from the first reception electrode patterns, the second reception electrode patterns comprising second reception electrode sub-pattern electrically connected in sequence. The first direction intersects both the X-direction and the Y-direction. The touch control substrate provided by the invention is used for touch control and fingerprintidentification.
Owner:BOE TECH GRP CO LTD +1

Self-service identification card taking machine and using method thereof

The invention discloses a self-service identification card taking machine which comprises a cabinet body and an identification card taking slot. A rotation device, a storage box, a sorting mechanism and a delivery mechanism are arranged in the cabinet body, the storage box is installed on the rotation device, the sorting mechanism is arranged on one side of the rotation device, and the delivery mechanism is arranged at the lower portion of the sorting mechanism and communicated with the identification card taking slot located in the cabinet body. The self-service identification card taking machine achieves 24-hour self-service identification card issuing, at most 2000 identification cards can be stored in the machine, the working amount of workers is decreased, the working efficiency is improved, the identification card issuing time is shortened, and free scheduling of the identification card taking time of identification card takers is facilitated.
Owner:CHENGDU JOVIAN TECH EXPL

Ship docking block transverse and longitudinal stay wire positioning arrangement method

The invention discloses a ship docking block transverse and longitudinal stay wire positioning arrangement method which comprises the following steps of determining a docking block position of a shipin a dock according to the length of the ship, drawing a transverse positioning datum line and a longitudinal positioning datum line on the dock bottom surface, determining the positions of all the keel piers on the transverse positioning datum line, and placing the keel piers, drawing a positioning grid group for determining the placing positions of a plurality of side piers on the dock bottom surface, and placing the side piers, after pier arrangement is completed, conducting automatic sampling inspection, and enabling the ship owner to report the placing quality of the docking blocks. According to the method, the transverse positioning lines and the longitudinal positioning lines of the side piers are pulled and transferred, so that the left-right alternate confirmation of the positioning grid group from the stern to the bow of the ship and the confirmation of the right-angle marks of the positioning points of the side piers in the positioning grid group are realized, and the searching time of the positions of the side piers is greatly saved; and meanwhile, the docking blocks can be synchronously placed in the positioning grid groups with the drawn right-angle marks, so that theplacing time of the side blocks is saved.
Owner:QINGDAO BEIHAI SHIPBUILDING HEAVY IND CO LTD

Alumina flow control apparatus

The invention relates to an alumina flow control apparatus, especially to an alumina flow control apparatus applied in an electrolytic flue gas purifying system or a hyper-dense phase conveying system in the industry of electrolytic aluminum. The alumina flow control apparatus comprises a blanking tube; the discharge end of the blanking tube is connected with the charging end of a rotary feeding device, the discharge end of the rotary feeding device is connected with one end of a flowmeter, the other end of the flowmeter is connected with the charging end of a vibrating screen, and the discharge end of the vibrating screen is connected with a conveying device. The advantages and effects of the invention are as follows: control of flow precision in the conveying process of alumina is improved; effective adjusting of alumina flow is realized; operational stability of a system is enhanced; long-term and stable operation of an electrolytic aluminum production system and an electrolytic purification system is guaranteed; the apparatus has critical economic and social values.
Owner:沈阳铝镁科技有限公司

Adjustable flexible nasal endoscope

An adjustable flexible nasal endoscope belongs to the technical field of medical apparatus and instruments, and can solve the problem that the conventional nasal endoscopes are complex in structure and are poor in stability, hard nasal endoscopes cannot flex according to a natural cavity structure, expansion ball bags cannot perform expansion treatment in a visible situation and cannot directly perform washing and medicine changing in sinus cavities, and the application effect is poor. The adjustable flexible nasal endoscope includes a hand-held portion; a winding mechanism arranged on the back of the hand-held portion; a three-cavity flexible pipe passing through the hand-held portion and extending out from a front part, wherein a power channel, an optical fiber imaging channel, and an apparatus channel are arranged in the three-cavity flexible pipe in the length direction in parallel; a steel cap arranged on one end extending out of a front cover, of the three-cavity flexible pipe; a steel pipe sleeving the three-cavity flexible pipe, wherein one end of the steel pipe and the front end of the hand-held portion form a slide fit; a micro steel pipe arranged in a power channel of the three-cavity flexible pipe, wherein one end of the micro steel pipe is fixedly connected to a fixing block in a back cover, and the other end of the micro steel pipe is fixed on an end portion of the three-cavity flexible pipe; a steel wire arranged in the micro steel pipe, wherein one end of the steel wire is fixed on one end near the steel cap, of the micro steel pipe, and the other end of the steel wire extends out of the micro steel pipe and passes through the fixing block, and is connected to the winding mechanism through a guide wheel, and the working length of the steel wire can be changed through the winding mechanism.
Owner:长春艾迪尔医用科技发展有限公司

Logistics trading method and system based on iris recognition technology

The invention provides a logistics trading method and system based on an iris recognition technology. The logistics trading method comprises the following steps: registering information, wherein an iris collection instrument is used for collecting user iris information, and the information is sent to a cloud server to be encoded and stored; performing goods association, wherein the cloud server performs data association on encoded data of the user iris information and user logistics trading information; printing the encoded iris information to a two-dimension code tag to be pasted onto a goods package; recognizing on site, wherein in a goods delivery site, a terminal device is used for realizing on-site user iris information collection to realize on-line recognition or off-line recognition. The logistics trading method and system are applied to a logistics system, so that the defects that the traditional identity recognition technology is high in falsification possibility and low in recognition accuracy are overcome; by virtue of the uniqueness and unduplicatedness of irises, the user commodity safety is ensured; the cloud server is adopted for processing iris data, so that the processing speed is high. According to the logistics trading method and system, the recognition accuracy and the reliability is high, so as to ensure more transparent commodity trades.
Owner:天津市协力自动化工程有限公司

Network communication subject confirmation method and system

The invention provides a network communication subject confirmation method. The method includes the steps that when a party A starts TCP connection to a party B, an SYN data package to be sent of the party A is intercepted, equal-length encryption is conducted on the SYN data package, and then the SYN data package is sent to the party B; after the party B receives the SYN data package, the SYN data package is decoded; when the party B sends an ACK data package to the party A, the ACK data package to be sent of the party B is intercepted, equal-length encryption is conducted on the ACK data package, and then the ACK data package is sent to the party A; after the party A receives the ACK data package, the ACK data package is decoded; when the party A sends the ACK data package to the party B, the ACK data package to be sent of the party A is intercepted, equal-length encryption is conducted on the ACK data package, and then the ACK data package is sent to the party B; after the party B receives the ACK data package, the ACK data package is decoded. By means of the network communication subject confirmation method, authentication and protection of the data packages are achieved at a handshake stage.
Owner:冯丽娟

Flow channel clamp

The invention relates to a flow channel clamp for taking an injection molding product out of a flow channel by a manipulator. A sensor side clamp claw, a clamp claw and a clamp substrate are movably connected; a sensor is arranged on a fixing bracket; two pistons are arranged in the cavity of the clamp substrate; the cambered surfaces of the two pistons are contacted with the two clamp claws; return springs are sleeved on inner shafts of two clamp claw holes; an air inlet joint is arranged at one end of the clamp substrate; the clamping position of the sensor side clamp claw is provided with an induction tongue connected with the sensor; a spring is arranged in the sensor side clamp claw and arranged between the induction tongue and an inductor; one end of the clamp substrate is provided with a limiting boss; and the clamping claw is provided with a limiting surface. When the flow channel clamp is used, an air pressure in the substrate pushes the two clamp claws through the piston so as to realize gripping; and when the clamp clamps the flow channel, the induction tongue approaches the inductor, so that the inductor starts working and sends a confirmation signal to the manipulator. The clamp has the advantages of small size, large clamping force, convenience for installation under the condition of small space and taking various flow channels at positions which can be clamped out, capability of giving feedback information to the manipulator and realization of confirmation of the existence and absence of flow channel clamping.
Owner:STAR SEIKI XIANGYANG

Method for detecting influence degree of hydrogen content of molten aluminum

The invention discloses a method for detecting the influence degree of the hydrogen content of molten aluminum. The method comprises the following steps: a, the value of specific gravity of a sample is detected; b, a section is machined on the sample, whether a pinhole point exists on the section is observed, if the pinhole point does not exist, the hydrogen content of the sample is qualified, and the hydrogen content is unqualified if the pinhole point exists. According to the method, the section is machined on the sample after detection of the specific gravity, hydrogen is uniformly distributed through negative pressure pumping before the detection of the specific gravity, so that the distribution condition of pores formed by hydrogen after solidification of the sample can be observed directly through the section, a specific gravity parameter obtained with a specific gravity measurement method is further confirmed, the detection reliability of the hydrogen content is improved, and the potential safety hazards for hub quality control are reduced; dye penetrant inspection and / or polishing are performed on the section, the section observing reliability is further improved, and the reliability of the detection of the influence degree of the hydrogen content is guaranteed.
Owner:江苏新安驰铝业有限公司

Text big data oriented word processing method

The invention relates to the field of big data processing and provides a text big data oriented word processing method for solving the problem in the existing voice recognition that the accuracy of the recognized written messages is reduced because the same pronunciation represents different meanings due to regional differences. The word processing method comprises the following steps: an acquisition step, namely acquiring user voice; a processing step, namely processing the acquired user voice, and generating text information; an execution step, namely executing an instruction corresponding to the text information in a database; a display step, namely displaying all the generated text information when more than one piece of text information is generated in the processing step; and a matching step, namely acquiring selection information of the user related to the displayed text information, and matching text information corresponding to the selection information; and after the text information is matched, executing an instruction corresponding to the text information.
Owner:博拉网络股份有限公司

Molecular identification method for sponge associated dominant bacterium constitution and host specific bacterium

The process of identifying the co-epiphytic dominant bacteria composition and the specific host bacteria of sponge includes the following steps: preparing co-epiphytic microbe macro genome total DNA sample via grinding sponge, treating with lysozyme and proteinase K to release DNA, and phenol-chloroform treatment; PCR amplification with the sample as template and general bacterial primer to obtain 16S rDNA segment smaller than 500 bp; denaturing gradient gel electrophoresis to separate mixed segment and obtain 16S rDNA-DGGE gene fingerprint; recovering DNA bands, secondary PCR amplification, denaturing gradient gel electrophoresis, purification, cloning and sequencing to complete homology and system development analysis; analyzing bands in the DGGE fingerprint to complete the molecular identification of the co-epiphytic dominant bacteria composition; and finding out the differential bands in the DGGE fingerprint to complete the molecular identification of specific host bacteria.
Owner:SHANGHAI JIAO TONG UNIV

3D printing-based cervical vertebra health pillow produced by intelligent factory

The invention belongs to the field of medical treatment and health, and relates to application of a 3D printing technology in intelligent manufacturing and production, namely large-scale customized production of a cervical vertebra health pillow. The cervical vertebra health pillow is intelligently manufactured and produced on the basis of 3D printing of special materials and the three-dimensional reconstruction technology of a cervical vertebra model, the cervical vertebra health pillow is designed through a specific algorithm according to cervical vertebra image information of a client, and a customized cervical vertebra supporting and protecting scheme is provided for the cervical vertebra of each user. Different from similar pillow products on the market, the pillow is scientific and reasonable in material selection, and adopts nano polylactic acid with high biocompatibility. The product fits the cervical vertebra by means of 3D printing, and has an outstanding effect of protecting the cervical vertebra when the user sleeps; and meanwhile, the product is produced by using an intelligent manufacturing technology, high-end customization can be provided for different user requirements, and the application prospect and the commercial value of the product are bright and high.
Owner:张静涵 +9

Vehicle driving guiding system

The invention discloses a vehicle driving guide system, solves the problems that a driver cannot judge the road condition ahead and a vehicle cannot run normally when the visibility is low in the prior art, and belongs to the field of traffic transportation. The system comprises a cloud platform, a vehicle-mounted front-end positioner, a vehicle-mounted rear-end positioner, a signal processing system, a vehicle-mounted laser radar and a projection system. On the basis that vehicle-mounted front and rear end positioners are utilized to obtain accurate positioning of a vehicle, accurate judgment of vehicle body orientation and accurate recognition of surrounding obstacles through a vehicle-mounted laser radar, road boundary lines, driving marking lines and contour information are fused into images, and the images are provided for a user in real time in a projection mode. Therefore, the vehicle is guided to run safely under low visibility, and the traffic capacity of traffic infrastructure and the safety of traffic transportation are effectively guaranteed.
Owner:HARBIN INST OF TECH

Information acquisition method and device, terminal and readable storage medium

The invention provides an information acquisition method and device, a terminal and a readable storage medium. The information acquisition method comprises the following steps: acquiring preset type information of a second terminal in a preset group, wherein the preset type information includes location information and user information of the second terminal, and the preset group includes a first terminal, the second terminal and other terminals; determining whether the location information of the second terminal is matched with a preset activity model corresponding to the second terminal; if the location information of the second terminal is unmatched with the preset activity model, generating prompt information based on the preset type information to prompt that the user location of the second terminal is abnormal; and sending the prompt information and the location information of the second terminal to other terminals in the preset group. By adopting the information acquisition method and device, the terminal and the readable storage medium provided by the invention, users of other terminals can know the current situation of the users of the second terminal in time.
Owner:MEIZU TECH CO LTD

Group message processing method

The invention provides a group message processing method. The group message processing method comprises the steps of obtaining group message announcement instruction and a group message of group members by an initiating client; forwarding the group message to a server by the initiating client, wherein group message comprises a group message announcement instruction sign; when the server judges that the group message includes the group message announcement instruction sign, forwarding the group message to the clients of the group members, wherein a sign for indicating whether the group messageis received is carried when the group message is forwarded to other group member clients, except for the imitating client. The group message processing method has the advantages as follows: a notifiercan notify conveniently and know a notification reception condition in real time; receivers can realize information confirmation conveniently; and the group message forwarding efficiency is increased.
Owner:林碧琴

Target guidance system and method for unmanned aerial vehicle, unmanned aerial vehicle and storage medium

The invention provides a target guidance system and method for an unmanned aerial vehicle, the unmanned aerial vehicle and a storage medium. The system includes a wide-angle camera, a long-focus camera, and a processor. The wide-angle camera and the long-focus camera are fixedly installed on the unmanned aerial vehicle in a strapdown mode, the wide-angle camera and the long-focus camera are close to each other, optical axes of the wide-angle camera and the long-focus camera are parallel to each other, and the optical axes of the wide-angle camera and the long-focus camera and a longitudinal axis of a fuselage of the unmanned aerial vehicle keep fixed angles. The processor can search a plurality of suspected targets through appearance matching in a large range by detecting images shot by the wide-angle camera in real time, finish similarity sorting and optimal target screening, and can identify details of the optimal target in a small range to judge whether the target is a given target or not by detecting images shot by the long-focus camera in real time. Under the condition that the target is confirmed to be the given target, the unmanned aerial vehicle is guided to realize tracking flight of the given target by continuously calculating a wide-angle guide instruction. The system has the advantages of being simple in structure, stable, reliable and convenient to integrate.
Owner:北京冠林威航科技有限公司
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