32results about How to "Large amount of stored information" patented technology

The invented method includes the following steps: firstly, collecting fingerprint image, making characteristics extraction, encryption processing, printing it on the two-dimensional bar code, concealing the fingerprint information into two-dimensional bar code; collecting two-dimensional bar code image, making image segmentation, filtering, geometric correction and layered pretreatment, identifying and decoding said bar code image to obtain the loaded encrypted information, deciphering said encrypted information to obtain fingerprint characteristic information loaded in two-dimensional bar code, comparing said information with field fingerprint information, making detection so as to implement anti-false authentication of fingerprint.

The invention discloses a feature invariant based remote sensing image watermark method which is directed at overcoming the incompatibility between anti-geometric attack and anti common image processing attack of the DCT algorithm and at the same time fully exhibits the advantages of 2D code, such as large storage information amount and strong error correction. The method includes the following steps: looking for invariants in 8 x 8 subblocks converted by the DCT algorithm, calculating embedded watermark information bits by using a mapping function in combination with the invariants, marking an initial position of each 8 x 8 subblock with intermediate frequency coefficients. In the process of watermark detection, image blocks containing watermark information can be located in a rapid and accurate manner through the determination of a feature location region. According to the invention, features of pixel digital numbers of remote sensing images before and after the geometric attack are fully utilized to address the problem of desynchrony of watermark information, which substantially increases robustness of the DCT algorithm, addresses the problem of inability of current remote sensing image digital watermark algorithm to resist cropping attacks, and effectively protects copyright of remote sensing image data.

The invention relates to a nonvolatile charge capture type storage device, a preparation method thereof and application. The preparation method is characterized by simple operation and easy control. The nanometer microcrystalline as a storage medium has a uniform distribution in the storage device obtained. The preparation method of the nonvolatile charge capture type storage device comprises thefollowing steps: a) forming a tunneling layer on the substrate surface; 2) forming a uniform (ZrO2) x (M) 1- x film as an accumulation layer on the tunneling layer, wherein x is larger than 0.5 and less than 1 and the M is SiO2 or Al2O3; c) forming a barrier layer on the accumulation layer; d) annealing the sample prepared and precipitating the ZrO2 nanometer microcrystalline from the accumulation layer to be the storage medium. According to the invention, a means of high temperature annealing processing is used to precipitate the ZrO2 nanometer microcrystalline from the accumulation layer parent phase, thereby realizing an effect of nanometer microcrystalline storage. According to the method, the nanometer microcrystalline obtained as the storage medium has a uniform distribution in the amorphous parent phase.

Provided are charge storage materials in a nonvolatile charge trapping type memory device. The storage materials are mixed oxide materials, namely, (CuO) x (Al2O3) 1-x mixed oxide materials, and the value of x is 0.1-0.8. The invention further discloses the application of the charge storage materials in the nonvolatile charge trapping type memory device. According to the structure of the nonvolatile charge trapping type memory device, a tunneling layer Al2O3/a storage layer film (CuO) X (Al2O3) 1-x/a barrier layer Al203 is grown on a semiconductor substrate in sequence, (CuO) x (Al2O3) 1-x is a storage layer, and CuO nanocrystalline obtained from the charge storage materials (CuO) X (Al2O3) 1-x through annealing has the function of storing dielectric materials.

A barcode structure includes at least one symbolic element row and a frame arranged at a periphery of the at least one symbolic element row. Each symbolic element row has multiple symbolic elements. Each symbolic element has different color from its adjacent symbolic elements, and the color of the frame is different from that of any symbolic element. A barcode encoding method includes: establishing multiple color combinations where a color of a frame is excluded, and each color combination comprising a main color and a sub color; performing a symbolic element row establishment procedure, which includes using a reference color as a color of a first symbolic element of a symbolic element row; deleting color combinations where the reference color is used as a main color; and selecting a color combination from remaining color combinations for coloring two symbolic elements that are sequentially connected with the first symbolic element.

The invention provides an image block encryption method and system based on chaos and computer-generated holography, and solves the problem that, in the prior art, an image encryption mode cannot balance encryption security and encryption operation flexibility. The technical scheme of the invention is characterized in that: firstly, three-channel decomposition is performed on a to-be-encrypted plaintext image; three single-channel grey-scale maps are segmented into sub-images with the same size; a part of the sub-images are randomly selected, a pseudo-random sequence is generated based on a hyper-chaotic system, pixel scrambling is performed on the sub-images, and then pixel diffusion is performed, wherein scrambling and diffusion operations improve the decoding difficulty, and, in addition, a block encryption technology is used in the process, and therefore the encryption key space is larger, and the effect is better; remaining sub-images are then converted into a hologram by using a phase restoration GS algorithm in a computer-generated hologram, wherein the process of converting the remaining sub-images into the hologram is another encryption process. Thus, the operation in a computer system is easy, and the encryption operation flexibility is also improved.

The invention relates to a shoe with an RFID tag and an achievement method thereof. The shoe comprises a shoe box (2), and the RFID tag (3) is arranged on a shoe body (1) or the shoe box (2). According to the shoe with the RFID tag and the achievement method thereof, the quantity and the style of shoes in a warehouse and in-out warehouse information of the shoes can be accurately recorded in real time. Various details of the shoes can be displayed through handheld equipment or a computer on a counter, the inventory status of the shoes is inquired, the shoes can be conveniently looked up for customers, and management of the shoes becomes intelligent, accurate and simple.

The invention discloses an automatic and centralized visitor filing and inquiring system for a museum. The automatic and centralized visitor filing and inquiring system comprises an upper management host arranged in an upper monitor room of the museum, multiple inquiry hosts for inquiring registered filing information of visitors and multiple automatic filing extension sets respectively arranged at a visit channel inlet, a visit channel outlet and important monitoring area inlets in the museum, wherein each automatic filing extension set comprises a filing registration table and a video acquisition unit arranged above the left of the filing registration table; each filing registration table is provided with an ID card scanning mechanism, a fingerprint information entry unit, an ID number input keyboard, a video processor, a registered filing information storage unit, a clock circuit and a data processor. The system disclosed by the invention has the advantages of reasonable design, simplicity and convenience in use and operation, large amount of stored information, high intelligence degree and good using effect, and can realize automatic and centralized filing of the information of all visitors; the filed information is complete, and later inquiry and evidence collection are very convenient.

The invention discloses an internet of Things and intelligent greenhouse control method, and relates to the technical field of internet of Things. The control method includes the steps that a wireless sensor network technology is used for data collection and control, Inter net remote access and control, GPRS network remote access and control, video monitoring and data display are carried out through an embedded gateway, data transmitted by a wireless sensor network is stored in a database through the embedded gateway to be managed uniformly and distributed according to needs, the embedded gateway drives a touch screen liquid crystal displayer to complete display of real-time data and historical data display and drives a USB camera to complete video monitoring, and the embedded gateway shares the data with a PRS network through a GPRS module and shares the data with the Inter net through a wireless local area network card and a wireless router. The internet of Things and intelligent greenhouse control method has the advantages that internet of Things and greenhouse control are completely fused, full-intelligent control is adopted in greenhouse control, data collection is accurate, information storage volume is large, and use is convenient.

The invention discloses an ultrahigh-frequency metal RFID (radio frequency identification) signboard, which sequentially comprises a metal signboard, a first double-faced adhesive tape layer, an antenna grounding layer, a second double-faced adhesive tape layer, an insulating medium layer, a third double-faced adhesive tape layer, an antenna chip layer and a fourth double-faced adhesive tape layer from top to bottom, and is characterized in that the metal signboard is adhered to the antenna grounding layer through the first double-faced adhesive tape layer; the antenna grounding layer and the antenna chip layer are separated by filling an insulating medium layer, the antenna chip layer is adhered to a managed object through a fourth double-faced adhesive tape layer, the microstrip antenna is characterized in that the antenna grounding layer and the antenna chip layer are conducted through a side face conduction layer to form a microstrip antenna structure, a chip is arranged at the bottom of the microstrip antenna structure, and the antenna grounding layer and the antenna chip layer are connected through a second double-faced adhesive tape layer. And the metal signboard is conducted with the antenna grounding layer at the upper part of the microstrip antenna structure. By means of the mode, holes or excitation holes do not need to be formed, the integrity of the metal layer is guaranteed, and meanwhile the impact resistance of the metal layer is greatly improved.

The invention belongs to the technical field of information data storage, and discloses a phase modulation type holographic storage and reproduction method and a storage and reproduction device, and the method comprises the steps of enabling a reference light beam to be converted into an annular reference light beam which surrounds the exterior of an information light beam and is coaxial with theinformation light beam through a spatial modulator during the information storage; using two-dimensional phase modulation data pages for the information light beams, and using regularly-distributed two-dimensional patterns for the reference light beams; converging the reference light beam and the information light beam at a convergence point through a first convex lens; placing a recording mediumat the convergence point; during information reproduction, installing a light splitting component on a light path before a reference light beam reaches a first convex lens, and installing a receivingdevice on an optical axis of the component in the reflection direction, so that data recorded by three-dimensional holography is reproduced on the receiving device; according to the invention, the storage density is improved, the dynamic range of materials is reduced, the signal-to-noise ratio is increased, the burden of the storage materials is reduced, and efficient high-density data storage isachieved.

A RFID sensing feed line for building indoor signal coverage comprises an inner conductor, an insulation layer arranged on the inner conductor and an outer conductor arranged on the insulation layer from inside to outside. The outer conductor is provided with a tag, the tag and the outer conductor are provided with a polyester tape, a protective layer is arranged at the external portion of the polyester tape, and the tag is a mini-size RFID tag. The RFID sensing feed line for building indoor signal coverage can completely store identification information for a long time, can enlarge the information content, can achieve intelligent management of detection, maintenance and fault diagnosis of feed line performances by means of reserved tag storage information in a computer, can be widely usedin enclosed and complex feed line installation places such as a building indoor ceiling interlayer and the like, and can achieve intelligent, rapid and informatization management of the feed line.

The invention relates to a portable instant communication information exchange system which comprises at least one handheld terminal and a portable network terminal which are connected, a main chip and a transmission module which are connected are arranged in the bodies of the handheld terminal and the network terminal both, the transmission module in the handheld terminal comprises a Bluetooth unit, an RF (Radio Frequency) unit and a USB interface, the transmission module in the portable network terminal comprises an RF module and a network interface, the RF unit is connected with the RF module, the handheld terminals are connected with the Bluetooth units, the handheld terminal also comprises a display screen, a battery, a storage module and a keyboard which are all connected with a main chip, the network terminal also comprises a display screen, a battery and a storage module which are all connected with the main chip. The portable instant communication information exchange system can acquire information accessed in the system anytime and anywhere; in addition, since four transmission modes of radio frequency, Bluetooth, USB and network interface are adopted, information can be received and transmitted more conveniently.