128results about How to "Shorten comparison time" patented technology

The present invention discloses an electronic map data manufacturing and updating method and apparatus, to reduce processing time of electronic map update and improve efficiency of the electronic map update. The electronic map data manufacturing method comprises: for a map element in an electronic map, generating a feature identifier of the map element according to location information of the map element; and establishing a correspondence between the map element and the corresponding feature identifier. The electronic map updating method comprises: for a same type of map elements in an electronic map, comparing feature identifiers corresponding to this type of map elements in a to-be-updated target data table and a source data table that provides an update data source, to obtain a changed map element; separately determining a change type of the changed map element in a data table to which the map element belongs; and updating the target data table according to the determined change type of the map element in the data table to which the map element belongs.

A search system and method is provided that may implemented in a content addressable memory (CAM) using various different memory technologies including SRAMs. DRAMs or Embedded DRAMs. The search system increases the density and efficiency of the CAM by using a search tree to reduce the total number of entries that must be matched against the key.

The invention discloses a system and a method for flexibly comparing and analyzing data. The system comprises a data source configuration module, a data table access module, a custom table data module, a comparison model configuration module, a correlation model configuration module, a comparison task management module, a comparison result early warning module, a comparison result statistic analysis module and a comparison result correlated query module; and the comparison model configuration module can be used for next configuration on comparison models on the basis of data information of comparison results, so that the data can be compared circularly.

The embodiment of the invention provides an antenna switching method, a receiving device and a terminal. The method comprises the following steps: measuring the signal receiving quality of a first antenna; determining a target antenna of which the signal receiving quality is higher than the signal receiving quality of the first antenna from at least one second antenna under the situation that the signal receiving quality of the first antenna is determined to be lower than a preset first threshold, wherein the target antenna is an antenna which is determined firstly by comparison and has higher signal receiving quality than the first antenna; and switching the first antenna which is currently coupled with a receiver to the target antenna in order to receive wireless signals through the target antenna. Through adoption of the antenna switching method, the receiving device and the terminal provided by the embodiment of the invention, early exit from a comparing stage can be realized; the comparison time is shortened; the antenna selection time is further shortened; and an available antenna can be found rapidly.

A router containing a firewall capable of supporting a plurality of different security levels. The router of the present invention creates a plurality of Virtual Local Area Networks (VLANs) using a network switch. The VLAN Rules Table (VRT) allows a network administrator to designate a trust level for each VLAN. The trust level may be different for every VLAN and the administrator may designate different rules for each VLAN. The Security Program (SP) analyzes each packet passing through the firewall and determines if the packet is permitted under the rules for the VLAN trust level. An alterative embodiment in which the switch in the router is divided into a plurality of sub-switches is also disclosed. In the alternative embodiment, the firewall need only compare the packet to rules which were not applied in the lower trust levels, eliminating the redundant rules from the comparison process.

The invention provides a data updating method in a comparison system, which comprises the steps of: creating an internal memory cache region in a physical internal memory, and loading updated data and information items thereof in the internal memory cache region; and looking up a corresponding current index in a local disk according to the information items, and performing an updating operation. In order to realize the data updating method in comparison system, the invention also provides a data updating device in comparison system, which comprises a creating unit used for creating the internal memory cache region in the physical internal memory; a loading unit used for loading the updated data and the information items thereof in the internal memory cache region; a searching unit used for looking up the corresponding current index in the local disk according to the information items; and an updating unit used for performing the updating operation. The data updating method in comparison system and the data updating device in comparison system have the advantages of avoiding large scale data updating delay, and comparing the updated data in real time so as to obtain a more accurate comparison result.

The invention relates to a control method and system for access control. The system includes an infrared detection module, a central control module, an identity information acquisition module, a fingerprint information acquisition module, a drive module, an electric door lock and a server; and the central control module comprises a starting unit, a first judging unit and a second judging unit. The control method and system for access control use double identification of identity information and fingerprint information of a user to be identified, not only overcome the shortcoming that a traditional access control only recognizes the card rather than the user, but also greatly shorten face comparison time, improve recognition rate and recognition accuracy of the access control system. All data is stored in the central controller or server; and compared to the traditional data information storage in an IC card, the system is not easy to be maliciously tampered, and has higher safety and reliability.

The invention discloses a three-level flow sequence comparison method based on a many-core co-processor. The purpose of increasing the comparison speed of sequence comparison software is achieved. According to the technical scheme, sequence comparison is performed in a multi-threading manner by an MIC (microwave integrated circuit) many-core co-processor; three serial steps of reading sequences from a main memory to an MIC, comparing the sequences and writing a comparison result to the main memory in a sequence comparison process of the MIC are in a three-level flow mode, namely, sequences required for next comparison are read during sequence comparison, a previous comparison result is written into the main memory, and a reading and writing operation and a comparison operation are carried out simultaneously. By the three-level flow sequence comparison method based on the many-core co-processor, three main processes of sequence reading, sequence comparison and comparison result returning are carried out simultaneously, the comparison efficiency is improved, and the comparison time is shortened. Compared with a two-channel eight-core CPU (central processing unit), the three-level flow sequence comparison method has the advantages that the speed of a comparison process can be increased 2.3 times at least, a large amount of memory space is prevented from being copied, and the space-time efficiency of a procedure is improved.

The invention provides a quick comparative method for integrated circuit domain data bases, and belongs to the technical field of integrated circuit computer aided design, in particular to the field of domain data base comparison (LVL) in a rear-end technological process of an integrated circuit. The quick comparative method for the integrated circuit domain data bases is mainly applied to a comparative tool of a super-large scale integrated circuit domain and is used for carrying out quick comparison of two integrated circuit domain data bases and reporting difference of the two integrated circuit domain data bases. The invention aims to provide the quick comparative method for the integrated circuit domain data bases. Geometric figures repeatedly appearing in the two data bases are recognized and eliminated automatically, and different elements are retained, so that comparison time is obviously shortened. The main achievement processes include that (1) the two domain data bases are read in sequentially, and the geometric figures are stored in a hash table; (2) shared figures of the two domain data bases are quickly deleted by means of the hash table; (3) the figures stored in the hash table are output.

The embodiment of the invention provides a point burying testing method, device and system. The method comprises the steps that when a client side extracts and measures a point burying file, a test engineer executes a corresponding function module to generate a corresponding point burying data file by running an automated testing script, a corresponding data point burying file can be generated inan app, the two point burying files are compared, if the two point burying files are consistent, point burying testing succeeds, and if the two point burying files are not consistent, problems are found for correction. According to the method, the function module after point burying of an extraction and measurement terminal and the function module after point burying of a testing terminal run separately through the extraction and measurement terminal in the whole extraction and measurement process, the accuracy of the point burying file of the extraction and measurement terminal is determinedaccording to a running result, a package capture tool does not need to be used for intercepting a data package transmitted by the internet, frequent package capture operations are omitted, the comparison time is shortened, the situation is avoided that a detection system bearing buried points is in a waiting state for a long time, and the utilization rate of resources such as system bandwidth anddatabases is increased.

An electronic apparatus and method for retrieving a song, and a storage medium. The electronic apparatus includes: a storage unit which stores a plurality of songs; a user input unit which receives a hummed query which is inputted for retrieving a song; and a song retrieving unit which retrieves a song based on the hummed query from among the plurality of stored songs when the hummed query is received. The song retrieving unit extracts a pitch and a duration of the hummed query, converts each of the extracted pitch and duration into multi-level symbols, calculates a string edit distance between the hummed query and one of the plurality of songs based on the symbols, and determines a similarity between the hummed query and a song based on edit operations which are performed within the calculated string edit distance.

The invention discloses a three-generation PacBio sequencing data-based hole filling method. According to the method, the comparison time in the hole filling process is greatly shortened and the genome hole filling sped is remarkably improved. The method comprises the following steps: comparing three-generation PacBio sequencing data with two ends of a hole in a genome through corresponding software; intercepting partial region of the compared three-generation PacBio sequencing data and clustering the intercepted data according to a hole to which the data belongs; and carrying out error correction by using dazcon software and carrying out sequence connection by using the data after the error correction.

The invention discloses a fingerprint storage and comparison method based on behavior analysis and relates to the field of fingerprint comparison. The method comprises the following steps of adding a time frequency label and a spatial position label to every fingerprint template in a fingerprint database based on behavior characteristics of a user, grading the fingerprint templates according to time frequency and spatial positions, dividing comparison processes into three grades including local comparison, network comparison and server comparison, wherein the local comparison, the network comparison and the server comparison respectively correspond to the most common local fingerprint databases, common network fingerprint databases and non-common server fingerprint databases, the comparison process of every time firstly occurs in the local fingerprint database, and obtaining a result if the local comparison is successful; performing the network comparison if the local comparison fails, performing distributed comparison by using the fingerprint databases in within a certain regional range, and obtaining the result if the network comparison is successful; and performing the server comparison if the network comparison fails by using the non-common server fingerprint databases stored in a server. According to the fingerprint storage and comparison method based on the behavior analysis disclosed by the invention, the comparison range can be effectively reduced, the comparison time can be shortened, and the comparison efficiency can be improved.

The invention relates to a method for inputting and comparing multi-format documents. The method includes judging whether a document to be input is a paper document or not, if yes, automatically scanning and inputting the paper document into an original format document library through front-end equipment, and if the document is an electronic document, directly inputting the document into the original format document library; converting all documents in the original format document library into documents uniform in format, and performing key attribute annotation and basic management on the documents; performing content-based document comparison through a Nakastu algorithm and a word segmentation system, performing document correlation according to comparison similarity, and inputting the document into a database. By the method, automatic inputting, unified classification, intelligent management and comparison with existing files of documents of various types and formats can be realized, so that document utilization rate is increased, document comparison time is saved, and document management efficiency is improved.

The invention discloses a human face data collection statistical system and method for a gas station convenience store. The system comprises a local management system, a cloud server end and a mobile terminal; the local management system comprises a passenger flow sensor, a passenger flow analysis processor, an image collection device, an image analysis processing device and a local server; according to the method, passenger flow data statistics information is compared with human face data characteristic information, and the passenger flow data statistics information and the human face data characteristic information are combined into a passenger flow information statistics table comprising detailed identity information. According to the method, statistics can be run on passenger flow information in the convenience store, image information at a passageway can be shot in real time, the human face data characteristic information in the image information can be extracted for comparison, acquisition of personal identity information of users can be facilitated, the personal identity information of the users can be printed on the detailed passenger flow statistics tables, and convenience of usage can be realized.

The invention discloses a system for measuring and training joint torque. The system comprises a measurement base and a limb holder, wherein the limb holder is a device for fixing limbs; a connecting layer board in the measurement base can be quickly fixed with or separated from the limb holder; and a measured or trained limb can be more accurately fixed at a proper measurement position by a locating ray projected by a locator in the measurement base. By adopting the system, the axes of a rotating shaft and a joint of the existing joint measuring and training system can be arranged at the coaxial positions, a quick separation function is provided, the measurement accuracy is improved, and the correction time is shortened, so as to improve the practicability and provide extra safety precautions.

The invention discloses a fast comparison system for data blocks based on a Bloom Filter, which belongs to fast comparison technology for data blocks. The structure of the fast comparison system comprises a data block comparison interface module, a Bloom Filter data block comparison module, a data block query comparison module, a Bloom Filter meta data recording module and a data pool meta data recording module. The fast comparison system for data blocks based on the Bloom Filter is used in a repeating data deleting system, utilizes the Bloom Filter to query whether a data block is in a data pool containing a large number of data blocks, replaces a huge amount of query comparison operation with computerizing operation to ensure that the comparison time of data blocks is irrelevant with the scale of the data pool, and effectively solves the problem of long comparison time of data blocks when the scale of the data pool is large, thereby improving the performances and the operating efficiency of the repeating data deleting system.

The invention discloses a finger vein identification method, which relates to the field of biometric identification. The method comprises the following steps: the received image to be matched is divided into blocks to obtain an image block; the SIFT eigenvalues of each image block are obtained by extracting the SIFT eigenvalues of several image blocks; according to the SIFT eigenvalue of each image block, the similarity between each image block and each cluster center in the image library is calculated, and the distance value corresponding to each cluster center is obtained, wherein the clustering center is the feature center of all kinds of image blocks of template image in the image library; candidates of clustering centers are selected according to the distance value; the image to be matched is compared with each image in the candidate class one by one, and the recognition result is obtained according to the comparison result. This method can match finger vein image quickly and accurately, and improve the efficiency of finger vein recognition. The invention also discloses a finger vein identification apparatus and device, which have the beneficial effects.

The invention discloses a hotel check-in management system based on face identification. The system comprises an information collecting and processing subsystem, a foreground management subsystem, a background management subsystem and a police information management subsystem; the information collecting and processing subsystem is connected with the foreground management subsystem and the background management subsystem; the background management subsystem is in bidirectional connection with the police information management subsystem; the information collecting and processing subsystem comprises an information collection module, an identity card reading device, a central processor and a customer oriented information comparison and display device; the foreground management subsystem comprises a check-in information management module, a foreground oriented information comparison and display device, a manual submission and police checking module and a voice broadcasting device; the background management subsystem comprises an information backup module and a data synchronizing module; and the police information management subsystem comprises a police checking module, an information storage module and an information query module. According to the system and method of the invention, the user experience is improved, and the safety and turnover of a hotel are improved.

The invention provides a third-generation PacBio sequencing data comparison method capable of effectively reducing comparison errors caused by repeated sequences. According to the method, a k-mer model is established by using second-generation Illumina data; unique-kmer is extracted; and in third-generation PacBio sequencing data comparison, unique-kmer is used as a seed used in the comparison, so that the influence of the repeated sequences can be greatly reduced and the comparison speed can be increased.

The invention provides a contrast method, device and system of paper document and electronic document, and relates to the technical field of the document contrast. The method comprises the following steps: acquiring a first picture corresponding to the paper document, wherein the first picture is acquired by scanning the paper document by a picture collection device; performing picture conversionon the electronic document to obtain a second picture; contrasting the first picture and the second picture through a preset contrast algorithm to acquire a contrast result; and outputting the contrast result. The first picture acquired by scanning the paper document and the second obtained through electronic document conversion and splicing are contrasted by using a preset contrast algorithm, andthe contrast result is output, the contrast efficiency can be increased, the contrast time is reduced, and the error rate is lowered.

The invention discloses a method and device for detecting a chromosome. The method for detecting the chromosome comprises a receiving step, a dividing step, a comparing step and a determining step. In the receiving step, a reference sequence and a plurality of sequencing sequences are received; in the dividing step, each sequencing sequence is divided into a plurality of sequencing subsequences with the fixed length being an n2 basic group by using an n1 basic group as the step length, and the reference sequence is divided into a plurality of reference subsequences with the fixed length being an n2 basic group by using an n3 basic group as the step length; in the comparing step, the sequencing subsequences of each sequencing sequence are compared with the reference subsequences of the reference sequence, so that a target sequencing sequence is determined; in the determining step, according to the corresponding relation of a plurality of sequencing subsequences of the target sequencing sequence and the reference subsequences of the reference sequence, the name of the chromosome corresponding to the target sequencing sequence is determined. By means of the method and device for detecting the chromosome, the problem that the detecting speed of the chromosome is low in the prior art is solved, and therefore the effects for lowering the time spending and increasing the detecting speed are achieved.

The invention belongs to the technical field of plant molecular identification, and particularly relates to a strain identification method based on a dunaliella core gene sequence. The method mainly comprises the following steps: collecting, purifying and culturing a sample; extracting the DNA of the whole genome; constructing a DNA sequencing library; obtaining whole genome sequencing data of thealgae strain to be detected and the Dunaliella Quartolecta; screening and de novo assembly of sequencing fragments of the D. Quartolecta core genome are carried out, and genome segmentation, proteinfunction annotation and genome contig colinearity analysis are carried out on the assembled core genome sequence; constructing a phylogenetic tree by utilizing single nucleotide polymorphism, and whenan algae strain to be detected and Dunaliella Quartolecta are gathered into a cluster, the data support rate of branches is 0.99-1.00, the genetic similarity percentage is greater than or equal to 99%, and the algae strain to be detected is D.quartolecta.

The invention discloses a DNA sequence cluster of a Locality Sensitive Hashing based on standard entropy. The method comprises the steps of mapping an original DNA sequence according to an L-Gram model, calculating a matrix constituted by LF entropy values of N pieces of sequences to obtain the standard entropy of the matrix, using the Locality Sensitive Hashing to conduct Hashing mapping on the standard entropy to obtain a candidate set of DNA fragment sequences, and calculating DNA fragment sequences of which the editing distance is shorter than d in the candidate set to obtain a cluster result. According to the DNA sequence cluster of the Locality Sensitive Hashing based on the standard entropy, the situation that enough original DNA information is included in a converted characteristic space is taken into full consideration, missing of the DNA information is avoided, each fragment of the DNA sequences is turned into a new space, a candidate DNA fragment sequence set of each piece of DNA fragment sequences is calculated, and thus the operation speed can be increased, and the operation precision can be improved.

A computer input system and an input method thereof are disclosed. The computer input system includes a storage unit, a representative number obtaining module and a coding module. The storage unit stores four carry radices, and the four carry radix have one-to-one correspondences to an amount of initial consonants, an amount of head vowels, an amount of vowels and an amount of tones of a phonetic notation symbol, respectively. After the representative number obtaining module obtains four symbol representative numbers according to a Chinese character phonetic notation, the coding module generates a coding number of the Chinese character according to the symbol permutation order, the four carry radices and the four symbol representative numbers.

The invention is applicable to the technical field of intelligent door locks, and provides an intelligent door lock control method and device, an updating method and device and an intelligent door lock. The method comprises the following steps: acquiring identity information of a current user according to proximity information of the current user; acquiring access state information of the current user on the basis of the identity information; selecting a corresponding unlocking database according to the access state information; acquiring unlocking information of the current user; comparing the unlocking information with user unlocking information of the selected corresponding unlocking database, and performing door lock control according to a comparison result; and updating the corresponding unlocking database according to the access state and unlocking state information of the current user, wherein the unlocking database stores multiple pieces of user unlocking information. According to the method, the information comparison can be carried out in a targeted manner, so that the unlocking information comparison time is shortened, the unlocking time of the intelligent door lock is shortened, and the power consumption of the intelligent door lock is reduced.

The invention relates to the technical field of vocal print identification, and in particular discloses a phoneme marking method and device based on audio fingerprint. The method comprises the following steps: extracting audio fingerprint of a to-be-marked voice, and acquiring voice frequency spectrum pole point information of the audio fingerprint of the to-be-marked voice; comparing the pole point information with all audio fingerprint in a phoneme database so as to obtain N retrieval phonemes with the highest matching values, wherein N is a natural number; judging whether former N retrievalphonemes have one retrieval phoneme of which the pronunciation is identical to that of a phoneme to be marked or not; if so, confirming the N retrieval phonemes as marking phonemes of the to-be-marked voice. The invention provides the phoneme marking method and device based on audio fingerprint, only frequency spectrum pole points are selected for comparison, thus the comparison time can be shortened, and an effect of rapid marking is achieved.

An electronic apparatus and method for retrieving a song, and a storage medium. The electronic apparatus includes: a storage unit which stores a plurality of songs; a user input unit which receives a hummed query which is inputted for retrieving a song; and a song retrieving unit which retrieves a song based on the hummed query from among the plurality of stored songs when the hummed query is received. The song retrieving unit extracts a pitch and a duration of the hummed query, converts each of the extracted pitch and duration into multi-level symbols, calculates a string edit distance between the hummed query and one of the plurality of songs based on the symbols, and determines a similarity between the hummed query and a song based on edit operations which are performed within the calculated string edit distance.

The invention provides a fingerprint comparison method and device, wherein, the method comprises the following steps: acquiring a fingerprint image to be compared; According to the ridge distance andcurvature in the fingerprint image to be compared, the type of the fingerprint image to be compared, the ridge distance and curvature in each fingerprint template image in the preset fingerprint template library, the type of each fingerprint template image and the comparison success rate, calculating the matching score between the fingerprint image to be compared and each fingerprint template image; The fingerprint template images are sorted according to the matching scores, The fingerprint images to be compared and the fingerprint template images in the sorting result are sequentially compared to determine whether there are fingerprint template images matched with the fingerprint images to be compared in the fingerprint template library, so that the average number of fingerprint templateimages to be compared each time can be reduced, the average matching time can be shortened, and the matching efficiency can be improved.

The invention provides a data processing method, which comprises the steps of: periodically loading characteristic data and information items thereof in a database to a local disk, and creating a current index; arranging and storing the loaded characteristic data in the local disk according to the current index to become local characteristic data; reading the local characteristic data in a physical internal memory to become internal memory characteristic data, wherein the arrangement and storage modes of the internal memory characteristic data are the same as those of the local characteristic data; searching the current index in the physical internal memory according to a comparison condition, and determining the internal memory characteristic data satisfying the comparison condition as first characteristic data; and locating the position of the first characteristic data in the physical internal memory. The invention also provides a data processing device used for realizing the data processing method, and the data processing device and method of the invention have the advantages of improving the comparison efficiency and comparison performance of the characteristic data so as to obtain a more accurate comparison result.