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296results about How to "Ensure authenticity" patented technology

Multi-vision-based bridge three-dimensional deformation monitoring method

InactiveCN102645173ADo not interfere with the natural stateNot easy to deform monitoringBiological neural network modelsCharacter and pattern recognitionContinuous measurementVision based
The invention provides a multi-vision-based bridge three-dimensional deformation monitoring method which comprises the following steps of: (1) obtaining the images of calibration plates and extracting the feature points on the multiple calibration plates by multiple video cameras respectively; (2) establishing a mapping model based on a BP neural network; (3) obtaining each video camera image at the bridge edge feature points; (4) eliminating the error point pairs by use of RANSAC to obtain the correct matching point pairs; (5) extracting the two-dimensional coordinates of each video camera image at the bridge edge feature points, obtaining the three-dimensional world coordinates of the feature points according to the mapping model based on BP neutral network, and drawing a three-dimensional curve of the bridge surface; and (6) extracting the bridge deformation rule according to the bridge curves of the bridge at different moments, and judging the bridge deformation trend. The method provided by the invention can perform non-contact three-dimensional measurement on the bridge deformation, and has the advantages of continuous measurement, instant measurement, synchronous measurement of multiple points, high precision, repeatability, low cost and the like.
Owner:张文杰

Method and computer system for ensuring authenticity of an electronic transaction

At least one embodiment of the present invention relates to a method for ensuring authenticity of an electronic transaction performed during a transaction session. The method includes receiving, over a first network, a request from a user for the completion of an electronic transaction; receiving, over the first network, an authentication code from the user which has been provided to the user over a second network separated from the first network, thereby authenticating the user, completing the electronic transaction; and storing information associated with the electronic transaction and the transaction session. The method further includes generating a one-way hash value based on information comprised in the electronic transaction and information associated with the transaction session, and providing the one-way hash value to the user, wherein the one-way hash value is usable for ensuring the authenticity of the electronic transaction. The procedure enables authentication, integrity, non-repudiation, and time stamping in a cost efficient way. An enhanced security level can be achieved as the network used for providing the authentication code to the user is separate from the network where the user returns the authentication code. At least one embodiment of the present invention also relates to a corresponding computer system adapted for ensuring the authenticity of an electronic transaction.
Owner:COMFACT AB

Method, server and system for authenticating identify information in DNS message

The invention provides a method, a server and a system for authenticating identify information in a DNS (Domain Name Server) message, belonging to the technical field of internet. The method comprises the following steps of: receiving a DNS message, wherein the DNS message comprises signature information and check information, the signature information is obtained by encrypting the check information with a first key, and the check information comprises the identify information of the inquiry terminal; acquiring a second key corresponding to the first key; decrypting the signature information with the second key to obtain a decryption result; and succeeding in authenticating the identify information of the inquiry terminal when the decryption result is in accordance with the check information. By introducing the mechanism of authenticating the identify information in the DNS message to a domain name system, the invention effectively prevents other terminals from defrauding service by counterfeiting the identify information of the inquiry terminal having access authority when the server carries out access control based on the identify information of the inquiry terminal, thereby improving the safety of the domain name system.
Owner:COMP NETWORK INFORMATION CENT CHINESE ACADEMY OF SCI

Blockchain-based medical resource data processing method and device

The invention discloses a blockchain-based medical resource data processing method and device. The method includes the following steps that: medical demand end information and corresponding service demand information are obtained, and are stored in a blockchain; the blockchain is queried, so that medical service provision end information matched with the service demand information is obtained; medical service order information is generated, and the medical service order information is stored in the blockchain, wherein the medical service order information contains the service demand information, the medical demand end information, and the medical service provision end information; and the medical service order information is sent to a medical demand end and a medical service provision endmatched with the service demand information, so that the medical demand end and the medical service provision end can perform medical service according to the medical service order information. With the blockchain-based medical resource data processing method and device provided by the technical schemes of the invention adopted, data fidelity can be realized through the blockchain; the authenticity of the data can be improved; and the medical demand end can enjoy on-site medical services without going to a hospital, and therefore, convenient medical consultation and treatment is realized, andthe experience of the medical demand end in medical consultation and treatment can be improved.
Owner:苏州朗润创新知识产权运营有限公司
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