158results about How to "Large information capacity" patented technology

The invention discloses an automatic guidance system based on radio frequency identification labels and vision, and the method of the automatic guidance system. The invention is characterized in adopting a four-wheel structure, wherein two front wheels are used for steering and two rear wheels are used for driving; a direct current motor is used as the travelling and driving device, which is driven to steer by a stepping motor; the invention is provided with a wheel steering angle positioning device, so the invention has relatively high dynamic response ability; a black and white parallel guide belt is adopted as a guide path, with the radio frequency identification labels discontinuously laid below, and red work station characters arranged at both sides; CCD collects road surface information, and the brightness of light source adaptive controls according to image gray information; characters are extracted by utilizing color differences; straight lines are rapidly HOUGH transformed and identified; a control signal is sent to AGV controller after processed by an industrial control computer, and the direct current motor and the stepping motor are controlled. In order to effectively realize the communication dispatch between AGVS in real time, radio frequency identification labels are adopted for positioning, and a wireless transceiver module is adopted for communication between AGVS and a host. The invention has the advantages of good environmental adaptability and navigation precision, and lower cost.

The invention discloses an automatic guided vehicle navigation control system and a navigation control method thereof. The automatic guided vehicle navigation control system comprises a central controller, sub controllers, a QR (Quick Response) code positioning system, a grid path navigation system and a goods register system, wherein the sub controllers are arranged on each automatic guided vehicle and connected with the central controller; and the QR code positioning system, the grid path navigation system and the goods register system are arranged on each automatic guided vehicle and respectively connected with the corresponding sub controller. According to the automatic guided vehicle navigation control system and the navigation control method thereof disclosed by the invention, the QR acquisition sensing technology is adopted for acquiring coordinate information of the automatic guided vehicle in a storehouse, so that unified monitoring and management are convenient; the grid path navigation system is adopted for judging the deviation between the practical operation track of the automatic guided vehicle and the predetermined track, so that two wheel differential base plates are adjusted to carry out track compensation, and therefore, the automatic guided vehicle is enabled to drive according to the planned path. Moreover, the structure is simple, the installation is convenient and the navigation transportation of the automatic guided vehicle is convenient.

The invention discloses an automatic guild system and a multiple task control method and belongs to the transport vehicles field. The automatic guild vehicle system comprises a vehicle part and a guild part; wherein, the vehicle part comprises a vehicle body, an electronic control tank, a central control device, a battery group, a driving mechanism, a suspending mechanism, a road magnetic strip signal sensor, a road RFID radio frequency identification card reader, an anti-knocking mechanism and the like. The guild part comprises a magnetic strip paved on the road and an RFID radio frequency identification card; the vehicle body is provided with a road magnetic strip signal sensor and a road RFID radio frequency identification card reader; the road magnetic strip signal sensor is directly connected with an AD module of the central controller for processing the analog signal transmitted by the road magnetic strip signal sensor. In the invention, the magnetic strip paved on the road and the RIFD radio frequency identification card are used for guiding so as to change lines flexibly and be applicable to flexible manufacturing system.

The invention discloses a 2D bar code system and a locating method thereof. A code word is formed by arranged quadrate cell blocks, and a code word area is divided into a locating area, a spacer area, a data area and a pattern area. A sampled and preprocessed digital image signal is binarized by a maximum between-cluster variance algorithm; and a plurality of deep-color and light-color connected domains are obtained by a fast filling algorithm; a plurality of dead square deep-color and light-color connected domains are selected according to a shape factor and an area factor; then concentric selection is performed to obtain a plurality of candidate location graphs; in succession, square topologic selection is performed to determine an effective code word area, and finally, the space is sampled, thus achieving 2D code location.

The invention which relates to an optical instrument and detection imaging technique discloses a large field depth iris image acquisition system and a method based on a plurality of fixed-focus cameras. The system comprises an iris image collecting device and an image recognition device. The method comprises the following steps: respectively imaging the iris by means of the fixed-focus cameras having different imaging object distance ranges and producing a multi-path fixed-focus image results; choosing one or a plurality of multi-path fixed-focus image results through distance measurement or image quality evaluation method; carrying out image processing and identification of chosen qualified iris image data. The invention effectively integrates the imaging ranges of different fixed-focus cameras in the mode of self-adapting switchover, thereby taking advantages of the cameras and at same time removing disadvantages of the cameras, enlarging the integral imaging range of the acquisition system, and improving the feasibility of an iris recognition system. Compared with the prior iris imaging method adopting a zoom camera, the invention has the advantages of low cost, quick and noiseless focusing.

The invention relates to the wireless network field and discloses a method for rapidly accessing to a wireless local area network and a mobile terminal thereof. By using the method for rapidly accessing to the wireless local area network, the mobile terminal can conveniently access to the wireless local area network. Simultaneously, network privacy information can be protected and network safety stabilization can be strengthened. The method for rapidly accessing to the wireless local area network of the invention comprises the following steps: shooting a barcode photo which stores wireless local area network information, wherein the wireless local area network information comprises a service set identifier (SSID) and a password; analyzing the wireless local area network information from the barcode photo; using the wireless local area network information to access to the wireless local area network.

The invention discloses a three-dimensional code biological detection chip based on a surface-enhanced Raman scattering (SERS) microflow platform as well as a preparation method and a detection method of the biological detection chip. The biological detection chip comprises a glass substrate, biological recognition molecules and microfluidic channels which are arranged from bottom to top, wherein the biological recognition molecules are distributed on the glass substrate in a strip-shaped form; in a direction perpendicular to the strip-shaped biological recognition molecules, the multiple microfluidic channels are stuck and distributed in parallel manner; and to-be-detected samples and SERS probes are filled into the microfluidic channels sequentially. By collecting SERS spectrums in various detection regions, the to-be-detected samples can be quantitatively analyzed, so as to obtain the contents of various components. By virtue of the biological detection chip disclosed by the invention, the rapid, high-sensitivity and automatic quantitative analysis and detection can be achieved on various components in a great amount of the to-be-detected samples.

The invention discloses a two-dimensional code, RFID (radio frequency identification) and GPS (global positioning system) trinity based electrical product positioning system and a positioning method thereof. The system is characterized by comprising a plurality of electrical products, handheld devices, servers and a positioning and monitoring platform; each electrical product is provided with a two-dimensional code card, an RFID tag and a GPS monitoring terminal; the handheld devices are used for reading the two-dimensional code cards and RFID tag information of the electrical products; the servers are loaded with information of the electrical products; the positioning and monitoring platform is used for displaying locations and distribution information of current operating electrical products in the background in real time; the GPS positioning terminals and the handheld devices are connected with the servers through wireless networks, and the servers are connected with the positioning and monitoring platform through the wireless networks or wired networks. The system has the advantages of completeness in function, high operability, convenience, rapidness, high efficiency and the like, and is applicable to links such as production and manufacture, circulation and sales, after-sales service or scrap recovery of the electrical products.

The invention discloses a method for expanding information amount of anti-counterfeiting digital watermark and electronic stamp, which expands the information amount without increasing data amount carried by the digital watermark and the electronic stamp through constructing and using additive safety and application information carried by a subliminal channel, so as to transmit more information to a receiver of protected digital content through the digital watermark or the electronic stamp, and support and realize the expansion of corresponding functions. The expandable functions comprise digital content decryption authorization, additional information for transmitting digital signature or stamp signature, private key or stamp signature loss prevention, enforced digital signature or stamp signature prevention, original digital media content reduction, and the like.

The invention provides a hemoglobin, hemoglobin-haptoglobin composite and transferrin joint examination kit. The hemoglobin, hemoglobin-haptoglobin composite and transferrin joint examination kit comprises an upper shell, a lower shell, an immunostrip, test paper and the like; a gold-labeled composite containing a hemoglobin monoclonal antibody, a hemoglobin-haptoglobin composite monoclonal antibody and a transferrin monoclonal antibody is scribed on a nitrocellulose membrane; 3 test lines, a quality control line (15) and a gold-labeled composite membrane scribing line (8) are arranged on the nitrocellulose membrane in parallel. The invention further provides a preparation method and a detection method of the hemoglobin, hemoglobin-haptoglobin composite and transferrin joint examination kit. The hemoglobin, hemoglobin-haptoglobin composite and transferrin joint examination kit is convenient and simple in operation, stable in performance and accurate in result, has a relatively good reference value for early diagnosis and identification of colorectal cancer or colon cancer tumor or other tumors with lower gastrointestinal bleeding symptoms in clinic, significantly improves the positive detection rate of digestive hemorrhagic diseases, is suitable for clinical hospital examination and household self-examination, and provides measures for large-scale general examination of such diseases.

The invention discloses a two-dimensional bar code group-buying coupon and usage and a system of the coupon. The two-dimensional bar code group-buying coupon is in a form of a two-dimensional bar code image. Steps for converting information of the group-buying coupon into a two-dimensional bar code group-buying coupon include digital signature, digital encryption, Base64 coding and two-dimensional bar code coding. Steps for using the two-dimensional bar code group-buying coupon to read the information of the group-buying coupon include two-dimensional bar code decoding, Base64 decoding, digital decoding and digital signature verification. The system comprises the two-dimensional bar code group-buying coupon, a merchant computer, a customer computer, a group-buying server, a short message modem, a customer cellphone, a mobile storage medium, a customer printer and a two-dimensional bar code reader. The two-dimensional bar code group-buying coupon is high in information capacity, convenient in reading, safe, reliable and available offline, and operating costs can be reduced for merchants participated in group-buying.

The invention relates to an anti-counterfeiting identification method by the aid of quantum points. The anti-counterfeiting identification method includes preparing quantum point ink: dispersing the quantum points in different structures and / or with different sizes into an organic solvent, adding transparent ink into the organic solvent, and uniformly mixing the organic solvent containing the quantum points with the transparent ink to prepare the quantum point ink capable of transmitting light with different wavelengths; loading an anti-counterfeiting identification: loading the prepared quantum point ink into a target product to be marked, forming the anti-counterfeiting identification in such a manner that at least partial areas in various component of the anti-counterfeiting identification contain more than one type of quantum points; detecting and converting the anti-counterfeiting identification: reading the central wavelength of each quantum point in the various components and ratios of luminescence intensities of the various quantum points by a spectrum detecting instrument; and converting the central wavelengths and the luminescence intensities of the various quantum points according to a coding rule to obtain a group of specific identification information, and judging the identification by the information. The anti-counterfeiting identification method has the advantages of difficulty in copying, high information capacity and fine stability.

The invention discloses a color two dimension bar code with high compression ratio Chinese character coding capability, the whole bar code image comprises rectangular modules which are regularly ranged and includes a functional image and a data area, the functional image is the four sides of the color two dimension bar code, wherein the left side comprise two alternate color blocks with different chemical feature, the lower side comprises single color block, the upper side and the right side comprises four alternate color modules with different chemical feature from left to right and from bottom to up; the data area is the middle part of square and comprises two alternate two-color modules which are vertical and have different chemical feature, the code words in the data area are arranged from left to right and from the up down. The invention also provides a method for coding and decoding the color two dimension bar cod. The invention effectively improves the compression ratio of Chinese character, the information density of the bar code and the information content of the unit area.

The invention discloses a barcode (the barcode also can be called a mixed barcode) with changeable information and a manufacturing method of the barcode with the changeable information. The barcode with the changeable information can display different information in different temperature ranges and is characterized in that two barcodes with different information contents are arranged at the same position simultaneously, and multiple barcodes can respectively display different information in different temperature ranges. By the adoption of normal printing ink and temperature-change ink in a combined mode, the barcode with the changeable information and the manufacturing method of the barcode with the changeable information enable the barcode technology to have the functions of environmental temperature sensing and information content changing according to different environmental temperatures, and can increase the information capacity of the barcode technology and improve the anti-fake capacity of the barcode technology.

The invention discloses a two-dimensional bar code type identity authentication method based on fingerprints and a human face, belongs to the technical field of image processing, and relates to fingerprint recognition processing technology, human face recognition technology and two-dimensional bar code technology. The method mainly comprises the following four parts: 1, extraction of fingerprint characteristics; 2, extraction of human face characteristics; 3, generation of two-dimensional bar codes based on the fingerprints and the human face; and 4, recognition and identity authentication based on the two-dimensional bar codes of the fingerprints and the human face. The method combines the fingerprint characteristics and the human face characteristics of an individual to code, to add error correcting codes and to encrypt, and then expresses the characteristics by adopting a two-dimensional bar code mode, so the method has the advantages of large information capacity, low cost, high reliability, strong confidentiality and anti-falsification, and the like. The method can be applied to the fields of industry and commerce, national defense, transportation, finance, health and medicine, post and telecommunications, office automation, and the like.

The invention relates to a visible electronic signature and validation method. Wherein, converting the E-file into format file for signing by pages; using two-dimension bar code contained certificate label and sign method and result of page as the display for the signature. Compared with prior art, this invention supports display for different formats, has larger memory, and can validate the authorization and find out the print source.

The invention discloses a two-dimensional code compiling method. The two-dimensional code compiling method comprises the following steps of: on the basis of a self-adaptive code compiling extended black and white code compiling technology and a code compiling scheme applicable to different multimedia, introducing an interweaving technology into an error-correcting code compiling technology by using a data compression technology with an open structure during compression code compiling; and adopting an advanced morphologic image pre-processing technology based on multi-scale structural analysis. The two-dimensional code compiling method has the advantages that a two-dimensional code is superior to the conventional two-dimensional code standard in terms of information bearing capacity, robustness, safety, reliability and adaptability; and coding and decoding bottom-layer supporting software provides technical support for various types of application of the two-dimensional code to the field of the internet of things in an open interface mode, the market monopoly position of the conventional foreign two-dimensional code standard can be broken, the chaotic situation of the conventional domestic two-dimensional code application is changed, and a firm foundation is laid for the development of the internet-of-things industry.

The invention discloses a method and a device for automatic data burning. The method comprises: when a current to-be-burnt terminal is corresponding to identification code information is detected, scanning the identification code information, the identification code information including to-be-burnt characteristic data information UID of the current to-be-burnt terminal; analyzing the identification code information, and obtaining, a to-be-burnt target characteristic data information table of the current to-be-burnt terminal generated according to configuration information of the current to-be-burnt terminal; according to UID and in the identification code information and the target characteristic data information table, performing matched burning, to burn the target characteristic data information in the target characteristic data information table to the corresponding storage position of the current to-be-burnt terminal. An objective of the method is to solve technical problems in the prior art that characteristic data information burning for an intelligent terminal is hand operated, and burning efficiency is low.

The invention discloses a ring array magnetic guidance device and a method for identifying a guidance magnetic label thereof, belonging to the field of automatic delivery equipment. In the invention, a ring array formed by a plurality of first magnetic detection elements and a linear array formed by a plurality of second magnetic detection elements are distributed inside a shell to jointly form apath magnetic label detection part; two third magnetic detection elements arranged outside the shell form a coded magnetic label detection part; a temperature detection element and an environment magnetic field detection part formed by a plurality of fourth magnetic detection elements are distributed on the shell; and the path magnetic label detection part, the coded magnetic label detection part, the environment magnetic field detection part and the temperature detection element are respectively connected with a signal processing circuit. The invention provides the magnetic guidance device with the advantages of large information capacity, high identification precision, low calculation load and good reliability and the method for carrying out coded information identification, position attitude deviation calculation and road junction reversing information identification by utilizing the device.

The invention discloses a colorful lattice point code picture and a three-dimensional bar code coding method thereof. Two kinds of unit code pictures with different sizes and shapes, namely color lattices and color points, are organically combined, and a corresponding coding method is combined to achieve the functions of colorful lattice data coding and colorful point data coding, data capacity is remarkably increased, and reliability and usability are improved. Besides data correction, data check and geometrical technologies of the existing code technology, the method further adopts brightness correction, noise correction and color correction and the like in CGP code, and is capable of effectively correcting brightness change and heterogeneity, color change and heterogeneity, code picture noise and the like. A geometrical correction method with higher density is adopted to improve anti-distortion capability. The unit code pictures of the existing two-dimensional and three-dimensional bar codes are most of one kind. The CGP code adopts two kinds of unit code pictures which are remarkably different in shape and size, and recognition in decoding process is convenient.

The invention relates to a safety measure demonstration simulation display method and apparatus for current loop operation of a substation. The method comprises the steps of determining a display caseaccording to a safety measure of normalized current loop operation of the substation; according to the display case, collecting field materials, and according to the field materials, building a substation three-dimensional model required for the whole process of the normalized current loop operation by using specific three-dimensional modeling software; importing the substation three-dimensionalmodel to a virtual reality simulation display platform generated based on a Unity3D virtual reality engine, and based on the substation three-dimensional model, realizing a scene loading and scene resource management function, a scene stereo display and real-time rendering function, a function of man-machine interaction with a virtual reality hardware interaction device, and a safety measure demonstration process simulation display function; and performing safety measure simulation display for the display case on the virtual reality simulation display platform by utilizing a virtual reality simulation display device. Based on a VR technology, various operation process trainings are efficiently finished.

The invention relates to a color commodity bar code and a method using the bar code to set commodity information. The color commodity bar code comprises a 'bar' symbol and an 'empty' symbol, wherein, the 'bar' symbol and the 'empty' symbol are both color information units. The method using the bar code to set commodity information is that: a 'bar' strip and an 'empty' strip are respectively replaced with an information color bar symbol and an information color empty symbol, wherein, different colors respectively represent '1' or '0' in the binary information, the color change and the width change of the 'bar' symbol and the 'empty' symbol are used to represent the basic information of the commodity consisting of certain characters, numbers and symbols. The invention adds the color information based on the symbol structure of the prior commodity bar code, thereby increasing the information quantity of the symbol; the invention designs the color matching of the bar and the empty according to the technical requirement of optical characteristics of the symbol specified in the national commodity bar code standard, and has good compatibility with the prior scanner.

The invention discloses a two-dimensional code identification method based on digital signatures and timestamps. The two-dimensional code identification method comprises the steps of performing the digital signatures and stamping the timestamps. Because the timestamps are adopted in electronic identification of the two-dimensional code identification method disclosed by the invention, the signature time can be fixed; the integrity and the authenticity of a time stamp are ensured through the digital signatures; the backdating behaviour can be effectively prevented; the security protection to electronic identity information is enhanced; strong evidences can also be provided for related disputes; and the two-dimensional code identification method disclosed by the invention can be applicable to occasions, such as meeting signatures, entrance guards and payments.

A data storage master disk and method of making a data storage master disk. The data storage disk master is for use in a data storage disk replication process. The data storage disk molding processes produces replica disks having a surface relief pattern with replica lands and replica grooves. The method includes providing a master substrate. The master substrate is at least partially covered with a layer of photosensitive material. A surface relief pattern having master lands and master grooves is recorded in the data storage disk master, including the steps of exposing and developing the photosensitive material. The exposing and developing of a specified thickness of photosensitive material is controlled to form master grooves extending down to a substrate interface between the master substrate and the layer of photosensitive material, such that the width of the master grooves at the substrate interface corresponds to a desired width of the replica lands.

The invention relates to a disordered high capacity multiparty quantum key agreement method based on a high energy level bell state, which is designed for providing a more flexible and efficient quantum key sharing mode. The method provided by the invention comprises the following steps: dividing an initial bell state into two particle sequences Si, 1 and Si, 2, inserting a bait single photon sequence into the particle sequence Si, 2, forming a transmission sequence (represented as a formula in specification) and then sending the transmission sequence to the next user (represented as a formulain specification) to confirm security, and then performing d-dimension unitary operation for the particle sequence according to content of owned key sequence (represented as a formula in specification), inserting the bait single photon sequence in an operation result, sending the result to the next user (represented as a formula in specification), and repeating the steps above to perform security detection and message coding by the users (represented as a formula in specification). When the user Pi receives the particle sequence S1, 2 sent out by itself, after confirming security, the user Pi performs the d-dimension unitary operation for the particle sequence. The user Pi performs two qudit unitary operations for the finally recycled d-energy level bell state, and respectively performssingle particle measurement based on a base H and a base Z for a first particle and a second particle of the bell state.

The invention discloses a high-speed railway microwave communication network, which is used for realizing signal relay between a movement carrier internal communication network and a carrier external communication network on high-speed railways. The network comprises a plurality of rail base relay devices and at least one vehicle-mounted relay device, wherein the plurality of rail base relay devices are laid along the high-speed railway rails, are arranged within a rail construction limit and are used for realizing signal relay between the external communication network and the vehicle-mounted relay device; each rail base relay device has a coverage space; the at least one vehicle-mounted relay device is fixed on the carrier and realizes signal relay between a rail base relay device corresponding to the current coverage space and the carrier internal communication network; and the frequency range of the signal is limited in one or more sub-frequency ranges from 4 to 42 GHz. Because microwave frequency ranges are adopted for signal relay of internal and external networks, the microwave communication network has the advantages of stable channel and high communication capacity; and because the system is enclosed in the construction limit of the high-speed railway, the network has the advantages of high reliability, high universality, low cost and the like.

The invention relates to a method and device for safety control and source-tracing tracking of a paper document. The method comprises the steps that (1) a client side inserts watermark information in the printed and output paper document by a printing control module; (2) when the printed paper document is copied, copying user identity authentication will be conducted by a copy control module, a user obtains scanning image data of the paper document after passing the identity authentication, the watermark information inserted into the paper document is extracted in real time, and then legality of a copy operation behavior is judged; (3) when the copy operation behavior of the paper document is judged to be legal, the watermark information will be inserted into the copied and output paper document once again; and (4) the copied and output paper document is converted into digital image data by digital equipment, and a watermark information extraction and recognition program is conducted for a document source-tracing tracking operation. According to the invention, technical puzzles in safety control output, source-tracking tracking of secrete divulgence and so forth during whole processes of paper document printing and copying can be solved uniformly.

The invention relates to a method and a device for information hiding in a text document. The method includes the following steps: (1) reading all character coding information and text layout attribute information in an electronic text file; (2) converting the electronic text file into a black-and-white binary text image file according to the character coding information and the text layout attribute information; (3) extracting each character image sub-block from the black-and-white binary text image file, detecting the edge pixels of the character image, and getting an edge pixel set; and (4) determining the turning rules of the edge pixels of the character image sub-blocks, and embedding watermark information by turning the values of the edge pixels in the edge pixel set, thus realizing information hiding in a text document. According to the invention, watermark information is embedded by modifying the edge of the character image, the text image embedded with the watermark information has a good visual effect, and the information embedding capacity can be greatly increased.

The invention relates to a method for the mark, identification and information management of articles, which comprises the following steps: materials containing element marks are arranged on finished products and semi-finished products and are arrayed in different positions in the space; a database is provided, wherein, the database comprises the materials containing element marks and spatial position data of the materials containing element marks, and also comprises information which is represented by the data; the materials containing element marks and the spatial position of the materials containing element marks are detected; comparing detecting data and the data in the database, the identification and the information management of the articles are performed according to the set comparison conditions and the information which is represented by the data in the database.

The invention relates to an integrated system with simultaneous laser ranging, polarization imaging and laser communication, belonging to the fields of target detection and identification and information transmission. The system comprises a coarse beacon light and ranging light transmitting / receiving subsystem, a precise beacon light transmitting / receiving and polarization imaging detection subsystem, and a tracking rotation table; the coarse beacon light and ranging light transmitting / receiving subsystem and the precise beacon light transmitting / receiving and polarization imaging detection subsystem are positioned on the tracking rotation table; the coarse beacon light and ranging light transmitting / receiving subsystem and the precise beacon light transmitting / receiving and polarization imaging detection subsystem are arranged in parallel with an optical axis. Compared with the prior art, the system has the characteristics of simultaneous laser ranging, polarization imaging and communication functions, high use efficiency and wide application range.