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100results about How to "Solve problems that take a long time" patented technology

Signal synchronization method, receiving end and system

The invention discloses a time domain joint synchronization method of downlinks, a receiving end and a system and belongs to the field of communication. The method includes the following steps: obtaining a to-be-analyzed sequence y from a received time domain signal; carrying out timed initial estimation after carrying out Alpha-multiple downsampling on the to-be-analyzed sequence y; carrying out frequency deviation initial estimation after carrying out frequency deviation compensation on the to-be-analyzed sequence y according to an integer-multiple frequency deviation estimation value Epsilon <^> obtained through use the timed initial estimation to obtain a decimal-multiple frequency deviation estimation value Epsilon <^> <f>; after carrying out frequency deviation compensation on the to-be-analyzed sequence y according to the integer-multiple frequency deviation estimation value Epsilon <^> and the decimal-multiple frequency deviation estimation value Epsilon <^> <f>, using a position interval estimated by an initial timing position and a main synchronization sequence to carry out timed reestimation so as to obtain an accurate timing position. The time domain joint synchronization method of the downlinks, the receiving end and the system solve a problem that the prior synchronization and frequency deviation estimation method is low in efficiency and long in consumed time and achieve an effect that the operation complexity is reduced and a timed synchronization result and a frequency deviation estimation result can be mutually combined to realize rapid synchronization is achieved.
Owner:LENOVO (BEIJING) CO LTD

Application program operation method and configuration file generating method and device

The invention discloses an application program operation method and a configuration file generating method and device, and belongs to the technical field of computers. The application program operation method comprises the steps that a binary configuration file corresponding to an application program is loaded from a server, and the binary configuration file is the binary file which corresponds to configuration data and is generated by the server; the configuration data carried in the binary configuration file are acquired; the application program is operated according to the configuration data. The problem that a configuration file which is complied by XML in the prior art contains label content, so that the time for loading the configuration file by the application program is long is solved, and the effects of reducing the size of the configuration file and further shortening the duration for the application program to load the configuration file are achieved.
Owner:GUANGZHOU KUGOU COMP TECH CO LTD

Information pushing method

The invention relates to the technical field of electronic information, in particular to an information pushing method applied to a parking system. The parking system comprises a cloud server storing information of a parking user, and comprises the following contents that the cloud server receives a parking parking-lot position determining information sent by the user through an intelligent terminal; the cloud server determines the business district around a parking lot according to the position information of the parking lot; the cloud server pushes store information of the business district to the intelligent terminal of the parking user through the registering information of the intelligent terminal on the parking system, the parking time information and the buying historical information; further, the consumption information suitable for a consumer can be actively pushed to the consumer; the consumption efficiency is greatly improved.
Owner:CHENGDU MANBA TECH CO LTD

Integrated measuring device and method for flow velocity and depth of flume test

The invention discloses an integrated measuring device and method for the flow velocity and the depth of a flume test. The integrated measuring device for the flow velocity and the depth of the flumetest comprises a measuring device body, and the measuring device body comprises a measuring instrument and a monitoring probe; the integrated measuring device further comprises switching assemblies for mutual switching of velocity measuring and depth measuring and further comprises an adjusting device for adjusting the position of the measuring device body, and the adjusting device comprises a left-right position adjusting assembly, a front-rear position adjusting assembly and a height adjusting assembly; and the switching assemblies are connected with the height adjusting assembly. Accordingto the integrated measuring device, velocity measuring and depth measuring can be converted, and a depth measuring device and a velocity measuring device are integrated; the problems that traditionalequipment is limited in measuring space, inflexible in moving, complex in operation and long in consumed time can be effectively solved; and compared with a traditional flume scouring test, the integrated measuring device for the flow velocity and the depth of the flume test is simple in structure, small in occupied space, convenient to operate and high in efficiency.
Owner:SOUTHWEST JIAOTONG UNIV

Desktop display method, mobile terminal and computer-readable storage medium

The invention discloses a desktop display method. Location information of an application and a package name of the application are acquired from an extensible markup language (XML) file after desktop data is cleared; data of the application is parsed from an application program package manager (PM) according to the location information of the application and the package name of the application, and an icon of the application is acquired; the data and the icon of the application are directly bound to a desktop; and the data and the icon of the application are displayed on the desktop after the data and the icon of the application are all bound to the desktop. The invention also discloses a mobile terminal and a computer-readable storage medium. According to the desktop display method, the mobile terminal and the computer-readable storage medium, the problem that in the related art, time consumption of a mobile terminal from clearing the desktop data to displaying desktop icons is longer is solved, the data and the icon of the application are directly bound to the desktop and then displayed, time from clearing the desktop data to displaying the desktop icons is shortened, and the user experience is improved.
Owner:NUBIA TECHNOLOGY CO LTD

Digital object unique identifier DOI identification method and apparatus

The invention discloses a digital object unique identifier DOI identification method and apparatus. The digital object unique identifier DOI identification method and apparatus are used for solving the problem that in the prior art, when a scanning image contains a DOI image and also contains a non DOI image, identification of the DOI image in the scanning image consumes long time. The digital object unique identifier DOI identification method includes the steps: acquiring a scanning image; graying the scanning image, and obtaining the gray value of each pixel point in the scanning image; according to the gray value of each pixel point in the scanning image, determining the DOI image in the scanning image; and identifying the DOI image.
Owner:ADVANCED NEW TECH CO LTD

Network switching method and equipment

Disclosed are a network switching method and device, which relate to the field of communications and are used for solving the problem of long time for a 5G terminal of a sharing party to access a shared 5G network. The network switching method comprises the following steps that: first network equipment acquires capability information or an operator identifier reported by a terminal; and then, thefirst network equipment indicates the terminal to be connected with the second network equipment according to the capability information or the operator identifier reported by the terminal. The capability information is used for indicating the capability of the terminal. Compared with the existing network switching method, the network switching method provided by the invention has the advantage that the 5G terminal of the sharing party does not need to access the 4G base station of the sharing party in the sharing area firstly and then access the 4G base station of the sharing area carrier. According to the method, the shared 5G terminal is directly accessed to the 4G base station of the shared area carrier instead of being accessed to the 4G base station of the shared area carrier, so that the process of accessing the 4G base station of the shared party by the 5G terminal of the shared party is omitted, the time for accessing the shared 5G network by the 5G terminal of the shared party is shortened, and the problem of relatively long time for accessing the shared 5G network is solved.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD

Information processing method and electronic device

The invention discloses an information processing method and an electronic device and belongs to the Internet field. The method comprises the steps that a first page is loaded and displayed through a browser, and a preset second page is loaded to a page window linked list of the first page, wherein the second page contains a variable used for display; text content to be translated in the first page is obtained through the browser; a translation request is sent to a browser translation plug-in through the browser, wherein the translation request carries the text content to be translated; translated text content fed back by the browser translation plug-in is received through the browser; the translated text content is used as the value of the variable of the second page through the browser, and then the second page is displayed. By means of the information processing method and the electronic device, the effect that translation is directly conducted locally without a server or the translation process can be completed more quickly just by accessing the server on a certain condition is achieved.
Owner:LENOVO (BEIJING) LTD

Ground wire automatic winding device

The invention discloses a ground wire automatic winding device. The bottom of a semi-open shell is provided with wheels (3); a ground bar mounting device and a winding bar (4) are arranged in the inner cavity of the semi-open shell; the ground bar mounting device comprises a positioning barrel (5) of ground bars (7) and a rotating disk (6); the positioning barrel (5) of the ground bars (7) is arranged on the top of the shell (1); the rotating disk (6) is positioned at the bottom of the inner cavity of the shell (1); a revolving shaft in the rotating disk (6) is rotationally connected with the output end of a motor (1); a plurality of ground bars (7) are vertically arranged between the positioning barrel (5) and the rotating disk (6); the top of each ground bar (7) is inserted into the positioning barrel (5); the bottom of each ground bar (7) is fixedly arranged on the rotating disk (6); the winding bar (4) is vertically arranged in the inner cavity of the shell (1); the upper end of the winding bar (4) is inserted into a bearing on the top of the shell; the lower end of the winding bar (4) is in transmission connection with the motor (2).
Owner:STATE GRID CORP OF CHINA +2

Method for enhancing low-light video image based on space-time accumulation and image degradation model

The invention discloses a method for enhancing low-light video image based on a space-time accumulation and image degradation model, which relates to the vision field of a computer. The method comprises the steps of 1, conducting noise reduction treatment to the low-light video image by using time-space domain accumulation information, 2, conducting reverse operation to the low-light video image after the noise reduction treatment to obtain false fog image, obtaining dark channel image after sub-sampling the false fog image,obtaining the complete dark channel image of the false fog image by using the interpolation method, thus, estimating atmospheric light value A of the false fog image by dark channel prior rule, 3, estimating the transmissivity by the luminance component based on the false fog image, 4, optimizing the transmissivity by filtering method to obtain accurate and smooth transmissivity, 5, obtaining the defogging image according to the atmospheric light value A and optimized transmissivity, reversing the defogging image of the false fog image to obtain the enhancement image of low-light image, and 6, conducting unsharp sheltering sharpening treatment to the enhanced image.
Owner:HUNAN VISION SPLEND PHOTOELECTRIC TECH

Fast method for continuouslly extracting nim oil and nimbin raw medicine from nim seed

A fast method for extracting nim oil and nimbin from nim seed is carried out by leaching while extracting for solvent and agitating at normal temperature and pressure 10000-12000r / min to obtain the final product. The extractive rate can reach to 3.2-3.4wt% and oil-out rate can reach to 31.6-33.7wt%; It's fast, economic and simple and can be used for industrial production.
Owner:THE RES INST OF RESOURCES INSECTS RIRI OF THE CHINESE ACADEMY OF FORESTRY

Picture synthesis method and device, and mobile terminal

The invention discloses a picture synthesis method, and the method comprises the steps that a first mobile terminal and a plurality of second mobile terminals are connected through a WIFI, or are connected to the same local area network; the first mobile terminal receives a plurality of pictures, taken by the plurality of second mobile terminals, of the same object, wherein each second mobile terminal takes one picture, and the plurality of pictures are instantly transmitted after being taken by the second mobile terminals; the first mobile terminal enables the pictures to be synthesized with a basic picture, taken by the first mobile terminal, of the object. The invention also discloses a picture synthesis device and a mobile terminal. The method solves a problem that the synthesis time of pictures taken by a single mobile terminal for many times is longer in the related technologies, enables the pictures, which are nearly taken by the mobile terminals at the same time, to be synthesized through the mobile terminal, shortens the picture synthesis time, and improves the user experience.
Owner:NUBIA TECHNOLOGY CO LTD

Dark current detection method

The invention discloses a dark current detection method which comprises: a light source, an optical filter wheel, a fiber, photocells, a bracket, a stepping motor, a hold-in range, a photoelectric switch. The photocells are used for receiving optical signals and outputting corresponding electrical signals. The optical filter wheel is equipped with optical filters. The bracket is provided with an opaque framework. In the invention, the photocells can be shielded by the opaque framework of the bracket so that the dark current can be measured without cutting off the light. A dark current test can be real-timely performed. And there is no need to wait stabilization time. A real-time dark current value is deducted during processing the test data so that accuracy of absorbance can be raised.
Owner:上海永创生物工程有限公司

Rapid design method of dilute acetone distillation industry dynamic optimization control layer output constraint

ActiveCN105182752AGuaranteed feasibilityThe solution speed is shortAdaptive controlControl layerControl system
The present invention discloses a rapid design method of dilute acetone distillation industry dynamic optimization control layer output constraint. The method comprises a step 1 of solving a gain model of a steady state optimization layer of a model prediction controller aiming at a dilute acetone distillation industry model prediction control system of a double-layer structure; a step 2 of finding out the uncertain elements in a process gain matrix in the gain model; a step 3 of solving the upper boundary and the lower boundary of an output constraint reachable set according to the uncertain elements and the system interference variables; a step 4 of obtaining the dynamic optimization control layer output constraint according to the upper boundary and the lower boundary of the output constraint reachable set. The rapid design method of the dilute acetone distillation industry dynamic optimization control layer output constraint provided by the present invention can effectively solve the problem that the time needed to calculate the upper boundary and the lower boundary of the output constraint reachable set is longer, and the solution speed is influenced by the system dimensions barely.
Owner:ZHEJIANG UNIV

Integrated feeder

The invention relates to a feeding device used for screening and conveying a material by utilizing gravity flow, and in particular relates to an integrated feeder. The integrated feeder comprises a shell, and a feeding hole and a discharge hole which are arranged on the shell, wherein the shell is internally provided with a feed roller, a magnetic separation roller and a stone remover; the magnetic separation roller is arranged under the feed roller; a slide carriage is arranged between the magnetic separation roller and the feed roller; the stone remover is arranged under the magnetic separation roller; an air inlet is arranged on the side wall of the shell corresponding to the stone remover; the side wall of the shell is provided with an upper air volume adjustment plate at the inner side of the air inlet; a junk drawer is arranged between the stone remover and the air inlet; and the lower part of the junk drawer is provided with a lower air volume adjustment plate. After the integrated feeder is adopted, iron and steel impurities can be effectively removed; the stone remover is matched with the function of the airflow of the air inlet, so that the impurities with the specific gravity heavier than that of material can be separated from the material; the air speed for separating the material and the impurities can be obtained by the adjustment of air volume adjustment plates, so that the different impurities can be conveniently removed.
Owner:TANGSHAN CITY FENGNAN DISTRICT SHUANGYI FEED MACHINERY CO LTD

Resource storage method and device based on Internet of Things operating system

The invention provides a resource storage method and device based on an Internet of Things operating system, and the method comprises the steps: obtaining an entity hash value of a storage entity, mapping the storage entity to a hash ring according to the entity hash value, and obtaining an entity hash position of each storage entity; obtaining a data hash value of a data keyword of the to-be-stored data, and storing the to-be-stored data to a storage entity closest to the data hash value according to a specified turning distance on a hash ring; receiving a query request, obtaining a query hash value of a query keyword in the query request, and determining that query content corresponding to the query request is stored in a first storage entity closest to the query hash value according toa specified turning distance; and obtaining query content corresponding to the query request from the first storage entity. By adopting the scheme, all the storage entities do not need to be traversedto search the data, so that the data access time is greatly saved, and the problem that the data access process in distributed storage consumes long time in the related technology is solved.
Owner:QINGDAO HAIER TECH

Parameter obtaining method and device and network side equipment

The invention provides a parameter obtaining method and device and network side equipment. The method comprises the steps: determining a to-be-optimized region of network coverage; determining radio frequency parameters for optimizing the to-be-optimized region according to the simulation results of network coverage quality under different radio frequency parameters; and outputting the determinedradio frequency parameters. According to the invention, the method solves a problem that a coverage optimization method in the related technologies is longer in time, and achieves the improvement of the optimization efficiency.
Owner:ZTE CORP

Middle frame and terminal equipment

The embodiment of the invention discloses a middle frame and terminal equipment. The middle frame comprises a middle plate, at least one middleware, at least one welding table and an outer frame. At least one middleware is fixedly connected to the edge of the middle plate. At least one welding table is fixedly connected to the inner side of the outer frame. At least one welding table on the outerframe is connected with at least one middle piece on the middle plate in a welding mode. The middle plate, the at least one middle piece, the at least one welding table and the outer frame are relatively simple in structural form. The middle frame provided by the embodiment of the invention has the advantages that the middle plate, the at least one middle piece, the at least one welding table andthe outer frame can be independently produced, and the connection mode is simpler, so that compared with the production of the integrally formed middle frame, the machining process of the middle frameprovided by the embodiment of the invention is simpler, and the time consumption for producing the middle frame is shorter. Moreover, the at least one welding table and the at least one middleware are welded together, so that the middle frame can be ensured to have higher strength, and the middle frame has better supporting performance.
Owner:HUAWEI TECH CO LTD

Ventilation cooling equipment and method for avionics equipment

According to ventilation cooling equipment and method for avionics equipment, the problem that the time consumed when electrostatic dust removal equipment only adopts vibration to remove dust is relatively long is well solved, a first scraping plate continuously reciprocates on the surface of a dust collection plate through continuous swinging of an eccentric plate, so that the dust is scraped off. The first telescopic rod on the rotating shaft is matched, so that dust on the surface of the dust collecting plate is cleaned more quickly and thoroughly; a second scraping plate is arranged on the first scraping plate, and after the first scraping plate stops moving on the dust collecting plate, the second lead screw rotates in a reciprocating mode through cooperation of the long rod and the wedge-shaped rod, so that the second scraping plate slides on the working face of the first scraping plate in a reciprocating mode, and dust remaining on the first scraping plate is scraped off again; and dehumidification equipment is further arranged, so that the situation that the electronic device is short-circuited due to the fact that condensate water is generated when cooling air meets hot air in the electronic device is avoided.
Owner:ZHENGZHOU UNIVERSITY OF AERONAUTICS

Method for preparing smoked eggs

The invention discloses a method for preparing smoked eggs, which comprises the following steps of: (1) removing the eggshells and the inner shell membranes of boiled eggs, and spreading common salt on the external surfaces of unshelled eggs for pickling; (2) placing the eggs obtained in step (1) in a container containing brown sugar, and heating and smoking the container to obtain the smoked eggs. The method has the advantages of short operation time, simple operation steps, simple processing equipment and flavoring, low price and the like. The smoked eggs prepared by the method have golden yellow appearance, delicious odor, unique flavor and strong palatability, and are suitably used as a cold dish and a dish that goes with wine; no noxious substance, chemical agent or food additive is added during the course of processing process, so that the obtained smoked eggs are safe and reliable, and the requirement of customers for diversified flavors of the smoked eggs is satisfied.
Owner:CHINA AGRI UNIV

Endoscope report generation device and method, electronic equipment and readable storage medium

InactiveCN112735554AReduce invalid informationReduce manual reviewImage enhancementImage analysisImage pairKnowledge graph
The invention discloses an endoscope report generation device and method, electronic equipment and a computer readable storage medium, and the device comprises an image obtaining module which is used for obtaining a plurality of endoscope images; a recognition module used for inputting the endoscopic image into the image recognition model to obtain a plurality of target images; an information acquisition module used for extracting corresponding report information from a preset knowledge graph based on the target image; a report generation module used for selecting a representative image in the target image and generating an endoscope report by utilizing the representative image and the report information; the device can automatically generate the endoscopic report corresponding to the endoscopic image, reduces the manual viewing and screening of a huge number of endoscopic images, can reduce the film reading workload and duration required for viewing the endoscopic images, and improves the efficiency.
Owner:重庆金山医疗技术研究院有限公司

Cell search method in GMR system

The invention relates to a cell search method in a GMR system, and belongs to the technical field of implementation of mobile terminal devices. The method comprises the following steps: in a BCCH frequency point search process during startup of a terminal, dividing BCCH frequency point search into several steps, and carrying out search according to a sequence of priorities from high and low, and the sequence of priorities from high and low is as follows: A, a cell frequency point corresponding to RPLMN; B, a neighbor cell frequency point list of cells corresponding to RPLMN; C, system message broadcast Concurrent BCCH List; D, a NV storage BCCH frequency point list; E, and all frequency point lists supported by the terminal. In the method, as long as the terminal cannot normally interprets the system message on the BCCH channel, the BCCH frequency point search process of the next step is started; and in the search process of each step, the terminal does not search the searched frequency points. By adoption of the method, the problem that the GMR terminal carries out blind frequency point search to waste a long time can be well solved.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Control method and control device for etching process, storage medium and etching equipment

The invention provides an etching process control method and device, a storage medium and etching equipment, and the method comprises the steps: introducing etching gas into an etching cavity so as toetch a wafer, forming a preset structure, and enabling the wafer to be absorbed on a base station in the etching cavity; and eliminating the adsorption static electricity between the base station andthe wafer, and introducing clean gas into the etching cavity, wherein the clean gas is gas used for removing at least part of by-products in the etching cavity, and the by-products are generated in the etching process. Compared with the scheme in the prior art, in the scheme, only two steps are needed in the etching process, so that the time of the etching process is shortened, the problem that in the prior art, time consumed for etching to form a step structure in a 3D NAND flash memory is long is solved, and the production efficiency of the wafer is improved.
Owner:YANGTZE MEMORY TECH CO LTD

Exception message capturing method for optical network terminal and optical network terminal

The invention discloses an exception message capturing method for an optical network terminal. The exception message capturing method for the optical network terminal comprises the following steps that: a first chip receives a data frame transmitted by a second chip, and stores the data frame in a storage buffer area of a preset transmission container (T-CONT); the first chip detects whether a preset bit of a register for controlling the T-CONT is a preset value or not; and if so, the first chip transmits the data frame in the storage buffer area of the T-CONT to an optical line terminal. The invention also discloses an optical network terminal. Through adoption of the exception message capturing method and the optical network terminal, time needed for handling equipment faults is shortened, and the fault handling efficiency is increased.
Owner:ZTE CORP

Method for quantitatively evaluating service life of material

PendingCN112504863AQuantitative evaluation is convenient and fastSolve the problem that the life evaluation test takes a long timeMaterial strength using tensile/compressive forcesMaintenance strategyMetallic materials
The invention provides a method for quantitatively evaluating the service life of a material. The method comprises the following steps of determining the service life of an unconsumed sample and the service life loss of samples with different aging levels, performing mathematical fitting on the aging level and the service life loss to obtain a function relationship, carrying out aging rating on the to-be-detected sample, and substituting the obtained aging rating result into the function relationship to obtain a service life loss result, wherein the sample and the to-be-detected sample have the same components. On the basis of establishing the function relationship between the aging level and the service life loss, the metallographic structure of the material is subjected to aging rating on site, so that the residual life of the metal material serving under specific conditions is quantitatively evaluated, technicians are guided to master the service life condition of the high-temperature metal component, and an operation and maintenance strategy is formulated on the basis. Compared with a traditional method, the method has the advantages that the service life of the material can bequantitatively evaluated conveniently and quickly, so that the problem of long time consumption of a service life evaluation test is solved, and the method is simple, low in cost and short in time consumption.
Owner:润电能源科学技术有限公司

Cartoon making method for rendering and converting two-dimensional planes through three-dimensional modeling

The invention discloses a cartoon making method for rendering and converting two-dimensional planes through three-dimensional modeling. The method comprises the following steps of: (1) carrying out three-dimensional modeling, mounting a camera according to a required angle, carrying out rendering, exporting a PNG-format picture, carrying out coloring from PS software so as to extract outline sketches, and storing an outline sketch file of a model at an outline sketch layer; and (2) independently storing a material layer into a material file, processing and converting a three-dimensional material to a two-dimensional effect, and pasting the material with the two-dimensional effect on the three-dimensional outline sketch layer. The method has the beneficial effects that users do not need tospend much time to draw cartoon backgrounds, 3D modeling is more real, the figure matching degree is high and application can be carried out in multiple aspects.
Owner:上海砌笮实业有限公司

Manufacturing process of 360-degree panoramic hat

InactiveCN105686193ASolve the difficult problem of final splicingSolve problems that take a long timeHatsEngineeringPlane map
The invention discloses a manufacturing process of a 360-degree panoramic hat. The manufacturing process includes: step 1, selecting a plane graph; step 2, planarly cutting the plane graph according to hat piece model shape of the hat to form various hat piece patterns; step 3, adjusting shape of the hat piece patterns according to corresponding hat pieces to enable the hat piece patterns to be completely demonstrated on the hat pieces; step 4, printing the hat piece patterns after being adjusted well on the corresponding hat pieces; step 5, splicing the hat pieces printed with the patterns to form a complete hat. The plane graph is cut to form the hat piece patterns, and shape adjusting is performed on the hat piece patterns to enable the hat piece patterns to be completely demonstrated on the hat pieces, so that process is simple and treatment time is short; the hat piece patterns after being adjusted well are printed on the corresponding hat pieces, and the hat pieces printed with the patterns are spliced to form the complete hat, so that splicing is simple.
Owner:NANTONG LAIEN TEXTILE CO LTD

Working mode switching method and terminal device

The embodiment of the invention provides a working mode switching method and a terminal device, which are applied to the technical field of terminals, and aim to solve the problem that the process ofcontrolling the terminal device to switch the working modes by a user is relatively longer in time consumption. Specifically, the method comprises the following steps of receiving a first input of a user to a first control; in response to the first input, displaying at least two second controls, different second controls in the at least two second controls being used for indicating different working modes; receiving a second input of the user to the target control, wherein the target control is a control in the at least two second controls; and in response to the second input, switching the working mode of the terminal device into a target working mode, the target working mode being a working mode indicated by the target control. The method is specifically applied to the working mode switching process of the terminal device.
Owner:VIVO MOBILE COMM CO LTD

Method for retrieving massive images in real time on basis of SIFT (scale invariant feature transform) features

The invention discloses a method for retrieving massive images in real time on the basis of SIFT (scale invariant feature transform) features. The method includes extracting the SIFT features of the images; generating SIFT genes; matching the features with one another. The SIFT genes are generated in three steps, and the three steps sequentially include generating feature information KEY; generating important feature information VALUE; compressing feature points. The method has the advantages that a feature dimension reduction process is implemented in a procedure for mapping the SIFT features to the SIFT genes, so that 128 dimensions of feature vectors are reduced to obtain 26 dimensions of the feature vectors; the feature points are compressed and processed in a procedure for forming the SIFT genes, and accordingly feature storage spaces can be greatly reduced; information of importance degrees of the features is reasonably utilized to carry out simple comparison and addition operation when the features are matched with one another, accordingly, the feature matching computational complexity is reduced and reaches O(n) level, and requirements on retrieving the massive images in real time can be met.
Owner:TRS INFORMATION TECH CO LTD
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