37results about How to "Fast and accurate search" patented technology

Systems, methods and apparatus are provided through which, in one aspect, one or more sub-products of a product are searched in a database, presented to a search, sold and / or distributed.

The invention discloses a keyword or multi-keyword based searchable encryption method and system. The keyword based searchable encryption method comprises the following steps: generating a public key in an encryption process according to a random parameter and a system public coefficient, then encrypting a keyword in a file through the public key and a private key to obtain a keyword ciphertext, and searching the keyword ciphertext according to a keyword input by a user to obtain a ciphertext required by the user. The keyword based searchable encryption method has the advantages of low computing expense, simple algorithm, high speed and suitability for multiple user models. The multi-keyword based searchable encryption method comprises the following steps: storing all keywords of each file through a structural tree, generating the public key according to the random parameter and the system public coefficient, establishing relations between all the keywords in the file and ciphertexts of the keywords through a hidden part of the structural tree according to the public key, and encrypting to obtain all keyword ciphertexts in the file, wherein for a plurality of keywords input by the user, a cloud ciphertext required by the user can be searched only if the ciphertexts of all the keywords are searched. The multi-keyword based searchable encryption method has the advantage of higher safety.

The invention discloses an image storage system, which at least comprises an image capture device, an image capture control module, an upload module, an image storage module and a physical operation module, wherein the image capture device is used to establish image data; the image capture control module is electrically connected with the image capture device and is used to control the image capture device to obtain the image data; the upload module is electrically connected with the image capture control module and is connected to the Internet to transfer the image data; the image storage module is connected to the Internet to receive and store the image data; and the physical operation module is used to obtain physical information.