47results about How to "Ensure credibility" patented technology

The invention provides a block chain electronic storage method based on deterministic consensus and trusted timestamp, the invention relates to the field of electronic storage of block chains, By applying for trusted timestamp certification to the National Time Service Center of the Chinese Academy of Sciences at regular intervals/number of blocks, A chunk node in a chunk chain system constructs atransaction using a trusted timestamp returned by a national time service center and broadcasts the transaction, Finally, packaging the transaction nto a new block together with other certificates inthe system, which not only improves the cost performance, but also effectively enhances the accuracy of time data and the reliability of electronic evidence in the block chain.

The invention discloses a data sharing method and a data sharing system based on a blockchain. The method comprises the following steps: a supervision node encrypts all the data for which a consensusis reached through a blockchain network, and records all the encrypted data on the blockchain; a first member node submits a data sharing request through the blockchain network, the data requested bythe data sharing request at least contain the data provided by a second member node; the supervision node and the second member node jointly examine and approve the data sharing request; if the data sharing request is approved, the supervision node performs decryption to obtain the data requested by the data sharing request from the blockchain; and the data requested by the request is encrypted based on a public key of the first member node, and the encrypted data is returned back to the first member node, thus, the first member node is enabled to acquire the requested data by an own private key through decryption. With the method and the system provided by the invention, security of data sharing can be guaranteed, and occurrence of noncompliant or illegal situations caused by lack of supervision treatment in data sharing can be avoided.

The embodiment of the invention discloses a resource access method and apparatus, a device and a storage medium. The method comprises the following steps: receiving a resource call request comprisingan access token sent by a third party application, wherein the access token is generated in a block address stored in a blockchain according to an authorization record off the third party application;obtaining a target authorization record of the third party application according to the block address, and verifying the access token according to the target authorization record; and if the verification is passed, feeding back resources to the third party application. According to the technical solution provided by the embodiment of the invention, since the authorization record and the access token are stored in the blockchain, the authorization record and the access token are transparent to the third party application and a resource service node and cannot be tampered, thus ensuring the accuracy and credibility of the authorization record and the access token, and correspondingly improving the accuracy of the resource service node to verify the access token based on the authorization record.

The invention provides a frequency stability control and compensation method for automatically keeping time in a complex environment, relates to a high-precision time-keeping technology and solves the problem of low precision of time keeping and time serving in the complex environment. The method comprises the following steps of: firstly, receiving an external signal by a ground time serving instrument, acquiring external standard time, selecting a time signal as a reference time source, then adopting a 10 MHz constant-temperature crystal vibrator as a frequency source of an internal clock, generating 1 pulse per second (PPS) pulse by a frequency dividing circuit to allow the clock to count, using the count as the internal time, calibrating the clock rate by utilizing a 1PPS signal demodulated by satellite time as the reference, and saving a calibration parameter; secondly, synchronizing the internal time by utilizing the reference time source, acquiring initial time information, and generating clock time information by internal clock counting; and finally, after successfully synchronizing the time, automatically keeping time through the constant-temperature crystal vibrator to enter the time keeping state, correcting the clock rate by using the calibration parameter, and outputting the final time. The method is suitable for keeping time in the complex environment.

The embodiment of the invention discloses a post-processing method and device based on copyright registration information, an apparatus and a medium. The method is applied to a copyright service platform. The method comprises the following steps: obtaining copyright registration information; acquiring at least two participant information of a copyright post-processing operation and post-processinginformation based on the copyright registration information; sending the participant information and the post-processing information as transaction requests in a block chain network to request to beadded to a block for storage. As the copyright post-processing operation information is stored in the block chain, the technical proposal provided by the embodiment of the invention makes the copyright post-processing operation information transparent to both the copyright service platform and the transaction parties and cannot be tampered with, thereby ensuring the credibility, accuracy and transparency of the copyright post-processing operation information.

The invention provides an application comment information processing method and device based on a block chain network, electronic equipment and a storage medium. The method comprises the steps of receiving behavior data of a user in an application; determining a corresponding workload according to the behavior data of the user, and storing a workload certificate corresponding to the workload intoa block chain network; receiving comment information of the user for the application, and inquiring a workload certificate of the application corresponding to the user from the block chain network; and when the inquired workload proof meets the workload requirement of creating the new block, sending comment information of the user for the application to the block chain network, so that the block chain network creates the new block including the comment information, and when consensus for the new block is passed, additionally storing the new block to the tail of the block chain. According to the method and the device, malicious application comment behaviors can be effectively resisted, so that the credibility of comment information for the application is ensured.

The invention relates to the speech evidence preservation, providing and justice field, in particular to a speech evidence perpetuation method and a speech evidence perpetuation device. The speech evidence perpetuation device comprises a telecommunication service platform, a recording platform, a cloud server and a data perpetuation center, and is structurally characterized in that the recording platform is connected with the telecommunication service platform and the cloud server, and the cloud server is connected with the data perpetuation center in communication mode. The speech evidence perpetuation device and the speech evidence perpetuation method achieve automatic recording and bidirectional recording through variable mode transfer connections of the telecommunication service platform, and simultaneously a third party performs the recording, and a mode of preserving a sound recording file at a cloud end is adopted, and therefore authenticity, reliability and tampering prevention performance of the sound recording file are guaranteed.

The invention provides a voting processing method and device based on a block chain, node equipment and a storage medium, and belongs to the technical field of block chains. According to the voting processing method, decentralized and persistent block chain type storage of the voting related information is carried out for exiting the service by adopting the block chain, voters are identified through the biological characteristics, so identity legitimacy of voting participants can be ensured while security and reliability of the voting data are ensured, the condition that other people counterfeit the voters in the voting process is prevented, and credibility of the voting result can be ensured.

A card connector can ensure credibility of electric contact between electrodes of an inserted card and contact elements against impact and vibration as well as lowering of the height. The card connector has a main body unit having a panel portion including contact elements with a spring property, and having a rising portion on either side, the rising portion having at its front portion a notch portion followed by a hook portion, and having at its rear portion a generally L-shaped see-through hole; and a tray having a card holding portion for inserting a card, and having a front-portion tab and a rear-portion tab on either side, wherein when the tray is closed, the front-portion tab is in a position for engaging with the hook portion and the rear-portion tab is in a position at an end of a horizontal portion of the generally L-shaped see-through hole to regulate the movement of the tray in the back-and-forth direction.

According to the knowledge base construction method and system based on the cloud service provided by the invention, when the topological service session logs after topological relation switching are mined in the method, the target session log content in the topological service session logs under different conditions can be mined; when the number of the target session log contents in the obtained target session log content sequence is not smaller than a number judgment value, determining whether a cloud service session log with a knowledge graph entity mining requirement carries a target knowledge graph entity or not according to the distribution condition of the target session log contents in the target session log content sequence, therefore, the accuracy and the anti-interference performance of mining the knowledge graph entity under different conditions can be ensured. Therefore, when the target knowledge graph entity is used as the raw material entity for constructing the target knowledge base, the precision and credibility of the raw material entity can be ensured, and the accuracy and credibility of the constructed knowledge base are further ensured.

The invention discloses a target detection method and device, aims to ensure credibility of a detected target and further improve accuracy of target detection, and belongs to the technical field of sensors. The target detection method comprises the following steps of when a first target and a second target are the same target, obtaining a fusion confidence degree according to a first confidence degree and a second confidence degree; wherein the first confidence coefficient is the credibility degree of the first target in a first image, the second confidence coefficient is the credibility degree of the second target in a second image, the first image is an image from a first camera device, and the second image is a look-around image obtained according to images from a plurality of camera devices; wherein a plurality of camera devices comprise the first camera device; and outputting a target detection result according to the fusion confidence. The method can be used for target detectionand tracking in auxiliary driving and automatic driving.

The invention discloses an intelligent recommendation and dynamic optimization method for a deep roadway support scheme, and the method comprises the steps: carrying out the correlation analysis of engineering geological parameters of a deep supported roadway, building a sample database, and dividing support levels according to the thickness of a loose circle; then sequentially establishing a loose circle thickness prediction model based on random forest regression, multiple linear regression and a support vector machine, and selecting an optimal prediction model through comparison of evaluation indexes of the prediction model; predicting the support level of the roadway to be supported by adopting the optimal prediction model, intelligently recommending a support scheme, inverting the engineering geological parameters after the scheme is implemented through a roadway peripheral displacement monitoring technology and a rock mechanics inverse analysis method, readjusting the support level and dynamically optimizing the support scheme. The method is easy to implement and easy and convenient to operate, the deep roadway engineering geological conditions can be comprehensively and specifically considered, the supporting design scheme is reasonably and rapidly recommended, and supporting mode parameters are dynamically adjusted in real time.

The invention discloses a video monitoring device capable of hiding an anti-counterfeiting shooting watermark in real time. A monitoring video imaging optical path is orderly composed of a monitoring camera lens, an optical imaging lens group, a light splitting device and a monitoring camera CCD; a watermark imaging optical path is orderly composed of a low-power adjustable light source, a collimating lens, a watermark transmitting mask, a watermark imaging lens group, the light splitting device and the monitoring camera CCD; the light splitting device and the monitoring camera CCD are shared by the two imaging optical paths, wherein the light splitting device is mounted at an orthogonal position of the monitoring video imaging optical path and the watermark imaging optical path, and combines the two paths into one path, thereby, incoherent superposition of a watermark image and a monitoring video image is realized. According to the invention, the anti-counterfeiting shooting watermark is hidden in the monitoring video by physical means in real time, so that the video monitoring device improves anti-counterfeiting properties and reliability of the monitoring video, and then guarantees credibility of the monitoring video from a technical point of view, is more easier to realize, and facilitates reduction of system cost.

The invention discloses a portable medical detection device for oil content of compressed air. The portable medical detection device comprises a PID sensor, a signal amplifier, a controller, a display module, a voltage conversion module and a lithium battery, wherein the lithium battery is used for supplying power to the PID sensor, the signal amplifier, the controller and the display module through the voltage conversion module; the PID sensor is connected with the controller through the signal amplifier; the display module is connected with the controller. The portable medical detection device for oil content of compressed air can solve the problem of complex operation.

The embodiment of the invention provides a signature method and device, computer equipment and a computer readable storage medium, and the method comprises the steps: receiving a signature request sent by a business system, whereinthe signature request comprises a signature element, and the signature element comprises service information and seal information related to a to-be-signed seal; generating verification codes according to signature elements in the signature request, whrein the verification codes are in one-to-one correspondence with to-be-signed stamps; and sending the verification code to the service system, the verification code being used for being printed on a file to be signed through the service system, and the verification code being a basis for the service system to stampan electronic seal of the seal to be signed on the file to be signed. According to the application, unreasonable seal using behaviors such as misuse, embezzlement, misuse, abuse and loss of the sealcan be relatively avoided or reduced, the authenticity of the seal to be signed can be inquired according to the verification code, and the source and the signature process of the seal to be signed are traced.

The invention discloses an enterprise data management method and device based on metadata, and the method comprises the steps: defining a main data table corresponding to a business analysis target according to the business analysis target; defining a metadata model based on the main data table; according to the metadata model, performing data fusion on the acquired multiple data sources to generate a target business table, and automatically executing a fusion engine to perform data extraction, conversion, fusion and verification; and storing the target data table into a database buffer table for business personnel or data personnel to confirm and publish. According to the method, metadata definition is carried out on the business data from the business purpose, and a conversion rule, a standard and a verification mechanism from the multi-source data to the target data are clarified. Therefore, the business personnel participate in the data cleaning and constructing process, and the accuracy of the data processing rule and the data quality are ensured.

The invention discloses a food quality and security monitoring method, which comprises the following steps: sample sampling, sampled sample testing, database building and data registering, two-dimensional code designing and associating as well as terminal selling. The method of the invention can promote a food processing enterprise to strengthen production management, increase product quality, promote the sound and health development of the food industry, regain the confidence of consumers in food industry and ensure the legitimate rights of the consumers.

The invention relates to the technical field of big data and information safety and protection, in particular to a big data processing method applied to information protection detection and a server. According to the method and the device, the service interaction heat can be corrected to improve the service interaction behavior data possibly obtained in the service interaction environment with interference, so that the attention optimization processing interference of the target behavior theme in the service interaction environment with interference is improved to a certain extent; an accurate and reliable basis is provided for behavior safety detection by using the service interaction behavior data subjected to attention optimization processing, so that the accuracy and credibility of related information safety processing are ensured.

The invention discloses a video surveillance anti-counterfeit watermark real-time shooting hiding device and a detection method. The video surveillance anti-counterfeit watermark real-time shooting hiding device specifically comprises an imaging lens set, an e-index double random phase modulation watermark mask, a monitoring camera CCD and the like. The device comprises two implementation structures; one structure is a curing structure formed in the mode that the watermark mask is glued to the surface of a CCD glass cover plate; the other structure is a replaceable and adjustable structure formed in the mode that the transmission mask is not fixed in a glued mode. Watermark physical hiding is achieved in the mode that the e-index double random phase modulation transmission type watermark mask is used for modulating the strength of an optical image, and the device only comprises an imaging optical path and is very simple. The watermark digital detection method of the device is achieved in the mode that a random phase diagram generating the watermark mask performs demodulation and includes the process of obtaining the logarithm of the image and the process of performing Fourier transformation on pure-phase functions.

This application discloses a transaction-based electronic contract deposit system, including an electronic contract platform and a blockchain deposit platform, the blockchain deposit platform including a plurality of deposit nodes that provide deposit services for the electronic contract platform. In this way, the following problem may be resolved: regarding an existing manner of storing an electronic contract in a centralized way, during a subsequent process of invoking electronic contract data, the stored electronic contract data becomes untrustworthy because the contract data is at a risk of being easily tampered with and forged.

The present application discloses a smart contract-based electronic contract deposit system, including an electronic contract platform, a blockchain deposit platform, and a transaction processing smart contract created by the electronic contract platform or the blockchain deposit platform, where the blockchain deposit platform includes a plurality of deposit nodes that provide deposit services for the electronic contract platform. In this way, the following problem may be resolved: regarding an existing manner of storing an electronic contract in a centralized way, during a subsequent process of invoking electronic contract data, the stored electronic contract data becomes untrustworthy because the contract data is at a risk of being easily tampered with and forged.

The present application provides a transaction-based electronic contract forensics method and system: when a user wants to perform forensics for an electronic contract in a blockchain digital deposit platform, initiating, by a present electronic contract platform, a forensics request for the electronic contract; obtaining, by the blockchain digital deposit platform, the forensics request and querying deposit information; obtaining a transaction hash value of the deposit information after the deposit information is queried; querying a deposit transaction corresponding to the deposit platform; obtaining a digest; decrypting the digest, to obtain a storage index table; verifying validity of a private-key signature of the deposit transaction; downloading transaction data of the deposit transaction according to a data index; decrypting the transaction data; and verifying validity, legitimacy, and integrity of the decrypted transaction data. A data source of electronic contract forensics is ensured by querying the deposit information and the corresponding deposit transaction, and credibility of electronic contract forensics is ensured by verifying the validity, the legitimacy, and the integrity of the transaction data, thereby achieving an electronic contract forensics process.

The invention discloses a leaf area correction coefficient acquisition method for Tinospora crispa. The leaf area correction coefficient acquisition method comprises the steps of S100, collecting leaves of Tinospora crispa as sample leaves; S200, measuring the length and the width of each sample leaf by adopting a leaf area analyzer measuring method, and measuring the length and the width of eachsample leaf by adopting a copying weighing method; S300, measuring the leaf area of each sample leaf by adopting the leaf area analyzer measuring method, and measuring the leaf area of each sample leaf by adopting the copying and weighing method; and S410, grading the sample leaves according to large, medium and small areas, and taking the leaf area of each sample leaf measured by the leaf area analyzer measuring method as a reference. According to the method, two leaf area measuring methods are adopted, the paired sample T test is performed on the obtained leaf areas according to the leaf size grade, two-factor (method and leaf size grading) variance analysis is performed on the length-width method correction coefficient calculated according to a scanning calculation method and a copyingweighing method, and the accuracy of the obtained correction coefficient is high.

The invention discloses a CG cloud collaboration system. The system includes a task distribution terminal, a data center connected with the task distribution terminal, and a task receiving terminal database and task receiving terminals which are each connected with the data center; the data center includes a data analysis module, a task distribution module, a task monitoring module and a task evaluation module. The invention further discloses a CG cloud collaboration method. According to the system and the method, by evaluating the task receiving terminals, the creditworthiness of the task receiving terminals is ensured; by analyzing task demands, the appropriate task receiving terminals are accurately selected; by setting up a project team, collaborative communication among all the task receiving terminals is solved; the task progress of the task receiving terminals is monitored in real time, and sent to the task distribution terminal.

The embodiment of the invention provides a data processing method and device, electronic equipment and a storage medium. The data processing method specifically comprises the steps that a first blockchain node device determines the amount of virtual resources generated by a second block chain node device in the process of providing services for the first block chain node device; the first block chain node device transfers digital resources corresponding to the virtual resource amount to a management account of the second block chain node device through a user account of the first block chainnode device; and after receiving the resource transfer success notification message sent by the second blockchain node device, the first blockchain node device destroys the virtual resources indicatedby the virtual resource amount. By implementing the embodiment of the invention, the transaction process of the virtual resources and the digital resources between the first block chain node device and the second block chain node device is carried out on the block chain, so that the transaction process is public and transparent, and the credibility and the accuracy of the virtual resources and the digital resources in the transaction process are ensured.

The invention relates to a system and a method for calibrating an aircraft overload sensor system level installation error, and belongs to the technical field of total pneumatic identification of aircrafts. The method for calibrating an aircraft overload sensor system level installation error can be used for correcting overload measuring data after flight test, and ensuring precision and dependability of aircraft pneumatic parameter identification; the method can be used as a design parameter of aircrafts for resolving flight navigation.