66results about How to "Improve verification capabilities" patented technology

A system for concurrently verifying programming of logical data in a multi-level-cell (MLC) flash memory device having a plurality of memory cells each configured to store N bits of logical data where N>=2. The MLC flash memory device has a plurality of memory cells capable of being storing N-bits of data in one of 2N distinct data storage levels, each data storage level corresponding to a discrete N-bit combination of logical data. The data storage levels include a default level, called the erased level, and 2N-1 program levels, including a lowest program level, 2N-2 intermediate program levels and a highest program level. For each memory cell to be verified as programmed, an N-bit combination of data to be verified is loaded into a program-verify circuit and a stepped voltage pulse having 2N-1 steps is applied to each memory cell. The stepped voltage pulse includes an initial step, at least one intermediate step and a final step with the initial step substantially equal to a program-verify voltage for the highest program level of the MLC flash memory within a the highest program level, each successive intermediate step is substantially equal to a program-verify voltage corresponding to an intermediate program level and the final step of the voltage pulse is substantially equal to a program-verify voltage for the lowest program level. Concurrently with the application of the stepped voltage pulse to each memory cell, the data storage level is verified as substantially within a program level corresponding to the N-bit combination for the memory cell. Subsequent to verifying the data storage level for a memory cell, the verified memory cell is inhibited form further application of a program pulse.

A image verification method, medium, and apparatus using a local binary pattern (LBP) discriminant technique. The verification method includes generating a kernel fisher discriminant analysis (KFDA) basis vector by using the LBP feature of an input image, obtaining a Chi square inner product by using the LBP feature of an image registered in advance and a kernel LBP feature and projecting to a KFDA basis vector, obtaining a Chi square inner product by using the LBP feature of a query image and a kernel LBP feature and projecting to a KFDA basis vector, and obtaining the similarity degree of the target image and the query image that are obtained as Chi square inner product results, and projected to the KFDA basis vector. According to the method, medium, and apparatus, the KFDA based LBP shows superior performance over conventional LBP, KFDA, and biometric experimentation environment (BEE) baseline algorithms.

The invention discloses a multi-safeguard identity authentication method, and relates to the technical field of multi-safeguard identity authentication methods. According to the technical scheme, the multi-safeguard identity authentication method comprises the following steps of 1) acquiring a face image of a user; 2) acquiring a handwriting signature image of the user; 3) setting a password; 4) respectively extracting a face image characteristic and a handwriting signature image characteristic from the acquired face image and handwriting signature image; 5) performing characteristic selection for the face image characteristic and the handwriting signature image characteristic; 6) classifying by using a support vector machine classifier; 7) if the recognition result of the support vector machine classifier in the step 6) is correct and the password is inputted correctly, verifying successfully, otherwise verifying failed. By using the technical scheme disclosed by the invention, an error caused by that an image easy to confuse is mixed in a face image set and a handwriting signature image set can be reduced; the accuracy degrees for recognizing the face image and the handwriting signature image are improved.

The invention provides a high-dynamic degree and high-security dynamic integrity measurement method for the security of an electronic government cloud platform. An integrity measurement architecture (IMA) is involved. The method comprises the following steps of: setting a double linked list in a kernel for a specified process and a specified file respectively, storing measurement results of the process and the file, and expanding the measurement results into corresponding program control registers (PCR) by using a terminal-to-computer multiplexer (TCM) chip. The specification refers to that a file to be measured is determined by an authority department, for example, a government department is required to strictly protect certain official documents; and the measurement of the specified process mainly aims to improve the security of a computer system and assist in protecting the integrity of a confidential official document.

The invention discloses an identity authentication method and device. By means of the method and device, the problems of inaccessibility or data loss caused by password loss under normal conditions can be solved, and the security can be better improved. The method comprises the steps of receiving an authentication request sent by a user; obtaining an identity of the user from the authentication request sent by the user, and confirming facial information of the user based on a photographic device; after conducting illumination pretreatment to the obtained facial information, extracting local binary patterns (LBP), and obtaining a first feature vector corresponding to the facial information; with the obtained identity as an index, determining a second feature vector corresponding to the obtained identity in the corresponding relationship between the identity which is stored in advance and the second feature vector; comparing the first feature vector with the second feature vector; when a comparison result is greater than a first preset threshold value and smaller than a second preset threshold value, confirming that the identity of the user passes the authentication.

A method for identifying signature includes obtaining envelope curves of original signature and verification signature, separately picking up envelope curve curvity of original and verification signatures as identifications of signature, carrying out regularization-corresponding of envelope curve curvity on original signature to envelope curve curvity on verification signature and utilizing weighted Eustachian distance grader to identify envelope curve curvities of original and verification signatures.

The invention discloses a method and device for interconnecting chips to be verified. The method includes the steps that according to information formats of communication among the chips, information in multiple signals which are obtained through PLIs is analyzed to obtain an analysis result; according to preset configuration information, time delay and errors are injected into the signals which are obtained through the PLIs, and signals after injection treatment are transmitted through the PLIs; according to the analysis result and related information of the injected time delay and errors, log information is generated. According to the technical scheme, the capacity for analyzing the signals among the chips and the capacity for injecting the time delay and errors into the signals among the chips are effectively improved, so that the verifying efficiency and effect of a multi-chip system are improved, and the requirement for interconnecting the chips to be verified in the verification process of the multi-chip system is well met.

The method and system for speech identification is disclosed, which picking up vector sequence of characteristic parameter from speech signal; obtaining at least one candidate word after speech identification; segmenting speech signal into speech segmentations corresponding to verification unit; determining vector sequence of characteristic parameter of speech segmentation for verification; carrying out verification to generate score of verification. In the method, score of verification is calculated by using quasi-neural network for verification units. The quasi-neural network is perceptive from multiple layers. Score of verification is obtained by feedforward operation under comparison between vector sequence of characteristic parameter for verification and multiple layers of perception. Adding scores of verification of all speech segmentations obtains score of verification for word. Determining whether the candidate word is accepted or rejected based on defined threshold level.

The embodiment of the invention relates to the technical field of image processing, and discloses a verification method and device based on a picture verification code and a computer readable storagemedium. The verification method comprises the following steps: generating and displaying a verification code, wherein the verification code comprises a plurality of verification code pictures respectively representing one number or one letter string, and reasoning rules for reasoning a verification result according to the number or the letter string; wherein each verification code picture comprises a plurality of picture areas arranged according to a position arrangement rule, each picture area represents a number or a letter, and combining the numbers or the letters represented by the pictureareas according to the arrangement rule to obtain a number or a letter string represented by the verification code picture; receiving a verification result input by the user according to the verification code picture and the reasoning rule; and verifying the verification result input by the user. According to the verification method provided by the invention, the complexity and calculation difficulty of the verification code are improved, the verification code is prevented from being identified by a machine, and malicious behaviors such as automatic batch registration are effectively prevented.

The invention discloses a verifiable query optimization method for reputation-behavior associated double block chains, which comprises the following steps of calculating the number of all nodes in a tree skeleton when a certain transaction number or a predetermined block number exists, and creating the tree skeleton; designing an inter-block index structure which is efficient in writing and based on a jump list, so that the query time for traversing blocks is efficiently saved; designing a query mode which considers that an index structure in a reputation chain block and an index structure in a behavior data chain block have the same attribute and has multiple attributes; and designing a reputation chain verification index structure and a behavior data chain verification index structure, so that the integrity of the query result set is efficiently ensured. The verifiable query optimization method oriented to the reputation-behavior associated double block chains is realized, the problems that the associated double chain query mode is single, the query performance is low and the query verification efficiency is poor are solved, and the requirements of data traceability or data evidence obtaining are further met.

The invention relates to a website link security verification method and system. The method comprises the steps of before a receiving terminal receives a website link sent by a sending terminal, acquiring the website link and a unique identifier of the receiving terminal; performing security verification on the website link, and if the website link is a secure link, forwarding the website link to the receiving terminal according to the unique identifier; when an access request which is sent by the receiving terminal for the website link is detected, searching the website link in a pre-established secure website database; and judging the website link to be a secure link if the website link is found in the secure website database. The website link security verification method and system avoid the risk of information leakage and are high in security.

The invention discloses an ETC equipment anti-disassembly device, a method and a vehicle. The ETC equipment anti-disassembly device comprises ETC equipment and a vehicle controller; communication connection is established between ETC equipment and the vehicle controller, and the vehicle controller comprises an authentication request module which used for sending an anti-disassembly authenticationrequest to the ETC equipment and/or a vehicle after the vehicle is powered on; a second anti-disassembly authentication module which is used for performing anti-disassembly authentication according toanti-disassembly authentication request; a second storage module which is used for storing an identification code of ETC equipment; the ETC equipment comprises a first anti-disassembly authenticationmodule which is used for performing anti-disassembly authentication according to anti-disassembly authentication request, a first storage module which is used for storing identification codes of vehicles. According to the ETC equipment anti-disassembly device, anti-disassembly verification is carried out after power-on is completed, normal use of the ETC equipment during vehicle driving is ensured, the driving experience is improved, the ETC equipment or the unique identification code of the vehicle is encrypted and verified, the verification effect between the vehicle and the ETC equipment is further improved, and safe use of the ETC equipment is ensured.

The invention relates to a method for testing air volume distribution. The method comprises the following steps: aiming at an air conditioning cabinet arranged on a whole vehicle to test the air volume distribution, by respectively arranging a first pressure sensor and a second pressure sensor on an air conditioning cabinet housing and in the whole vehicle passenger compartment and connecting the first pressure sensor and the pressure sensor to a pressure collection module of an air volume testing table; connecting the air volume collection module of the air volume testing table to the passenger compartment; then setting a running mode of an air conditioning system, the rotating speed gear and the scanning style of an air blower of the air conditioning cabinet on the whole vehicle; completely opening air inlets to measured or closing one by one, measuring a pressure value in the air conditioning cabinet and an air volume value in the passenger compartment when the detection value of the second pressure sensor is zero to obtain a relation curve between the pressure value and the air volume value; and processing data to obtain an air volume intermediary value, an air volume ratio and/or an air volume distribution actual value of each air inlet to be measured in the running mode and the rotating speed gear when the air inlets to measured are completely opened. The method is simple and stable in test result; and the testing blank of the whole vehicle air conditioning system is filled.

The invention provides a nuclear power plant digital alarm procedure verification method comprising the following steps that firstly, initial condition setting is performed, i.e. the initial working condition of alarm to be verified is set; then an alarm trigger method is selected to trigger alarm; then initial inspection is performed, i.e. an operator inspects alarm information from an alarm window via introducing fault trigger alarm under the initial effective working condition; then an optimized logic signal is triggered firstly if alarm of the optimized logic signal exists; and finally alarm verification is completed. The verification method is used for verification of correctness and rationality of the alarm procedures, verification of correctness and rationality of the alarm procedure digital design and verification of consistency of alarm window display information and alarm card information so that correctness and rationality of alarm procedure compiling and the digital alarm procedure design can be ensured, and thus the requirements of nuclear power plant safety operation can be met.

The embodiment of the invention discloses a semi-physical simulation method and system. The method comprises the steps that: a non-standard sphere infrared radiation simulation module receives a flight parameter transmitted by a simulation calculation module, wherein the flight parameter is generated through the calculation of the simulation calculation module according to a control instruction ofa satellite-borne calculation module; non-standard sphere infrared radiation simulation information is generated through calculation according to the flight parameter; and the non-standard sphere infrared radiation simulation information is sent to an infrared earth sensitive module, so that the infrared earth sensitive module generates measurement information and sends the measurement information to the satellite-borne calculation module. The problem that infrared radiation characteristic simulation precision is not high when a simplified standard sphere is adopted is solved; high-precisioninfrared radiation characteristic simulation is achieved; and the verification capacity of an attitude control system is improved.

The invention discloses a method and device for merging and migrating data tables in a database. The method specifically comprises steps of obtaining the data of at least one first data table in the database, and transferring the data of the at least one first data table to a second data table, the first data table being a migration source data table, and the second data table being a migration target data table; performing write operation verification on the second data table, and respectively writing data acquired from the business layer into the first data table and the second data table; if the write operation verification succeeds, continuing to execute; performing read operation verification on the second data table, reading data from the second data table and feeding back the data to the business layer; if the read operation verification succeeds, deleting the first data table to complete data table merging migration. The method is advantaged in that the effect of verifying the transferred data can be improved, the risk of data problem occurrence is reduced, and service availability of the database is ensured.

The invention belongs to the technical field of cloud storage security and information security, and relates to a CP-ABE method for supporting privacy protection and decryption in cloud. According to the invention, a CP-ABE scheme with functions of user privacy protection, decryption test, decryption outsourcing and message verifiability is realized. According to the method, a flexible LSSS structure construction scheme is used in a prime order group; attributes are divided into attribute names and attribute values, the attribute values containing sensitive information are embedded into a ciphertext, and meanwhile multiple groups of generators and random values are selected to achieve anonymity of data users; a decryption test algorithm and an outsourcing decryption algorithm are added, so that the calculation overhead of a data user is saved, and a large amount of decryption calculation is handed over to a third party; and a message verifiability algorithm ensures the decryption accuracy. According to the scheme of the invention, the decryption efficiency, the ciphertext storage overhead and the access control flexibility are greatly improved on the basis of privacy protection, and the problems of privacy disclosure, high user calculation cost and the like in the prior art are solved.

The invention discloses a voice verification method and device, electronic equipment and a computer readable storage medium. The method comprises the steps of collecting a sound signal in real time; extracting audio features of the sound signals; inputting the audio features into a multi-classification verification model, and outputting a confidence coefficient set through the multi-classificationverification model, the confidence coefficient set comprising confidence coefficients of non-command words and confidence coefficients of a plurality of command words; selecting the maximum confidence in the confidence set; based on the condition that the maximum confidence coefficient is not the confidence coefficient of the non-command word, loading a binary classification verification model corresponding to the target command word to which the maximum confidence coefficient belongs; inputting the audio features into a binary classification verification model, and outputting a target confidence coefficient of the target command word through the binary classification verification model; and executing a function matched with the target command word based on the condition that the target confidence coefficient is greater than a specified threshold. Through the technical scheme of the invention, the equipment can ensure the accuracy of command word detection while saving power consumption and system resource consumption.

A computer-implemented method (900) and system (1) for verifying the integrity of a computer software for installation using a distributed hash table (13) and a peer-to-peer distributed ledger (14). This may be the Bitcoin blockchain or an alternative implementation. The method includes determining (910) a metadata associated with a transaction record stored on the peer-to-peer distributed ledger(14). An indication of an entry stored on the distributed hash table (13) may be determined (920) from the metadata. The method further includes determining (930) a third hash value based on the computer software and determining (940) a fourth hash value from the entry on the distributed hash table (13). The method further includes comparing (950) the third hash value and the fourth hash value andverifying (960) the integrity of the computer software based on the comparing of the third hash value and the fourth hash value.