35results about How to "Save data space" patented technology

The invention relates to an authentication system and an authentication method based on biological features. The method comprises the steps of conducting centralized storage and biological feature comparison operation for a large quantity of user biological feature templates according to user ID identifiers stored on a memory on a limited use machine and corresponding biding ID identifiers thereof on a biological authentication device of a digital processing terminal; separating the biological feature templates from the authentication function of the limited use machine; allocating to digital processing terminals (including PCs, notebooks or mobile phones, PDAs of users)of users as biological authentication device-storing the biological feature templates with decentralization and operating and processing biological features to be authenticated with decentralization so as to conduct comparison with the biological feature templates pre-stored on the respective digital processing terminals; feeding back comparison and verification results to the limited use machines; authorizing to conduct equal authentication of the biological authentication device ID identifier on the digital processing terminal for the corresponding binding user ID identifiers by the centralized authentication of the limited use machine according to the comparison verification result data.

A biologic character template of a user and the related information of the user's identity constitute a whole data block, comprising: selecting an asymmetric key algorithm, using the private key to perform the digital signature or the digital seal, manufacturing the biologic character ID digital file of the digital signature, which is stored in the mobile phone of the user. The biologic character data of the user to be validated is collected on the site, and the digital certiuficate including the public key is sent to the user; mobile phone for storing the biologic character ID digital file in advance for verification; the mobile phone of the user uses the public key in the digital certificate to validate the digital signature of the biologic character ID digital file; the biologic character data to be certificated are inputted, to compare with the corresponding biologic character template in the biologic character ID digital file; the mobile phone of the user outputs the result data of the comparing and the validate, to display the result or output the authorization data of the further operation.

The invention relates to the field of forest fire prevention and disaster resistance, and specifically discloses a remote forest fire prevention monitoring system and method. The system mainly comprises a monitoring terminal, a server terminal and a user terminal. The monitoring terminal collects image information and data information of a monitoring area, carries out preliminary image processingon the image information, and sends the preliminarily processed image information, data information and monitoring terminal information to the server terminal. The server side performs further image processing on the preliminarily processed image information, obtains an analysis result and alarm information, stores the data information, and sends the alarm information to the user side when the alarm information is generated. The user side extracts the data information and the processed image information, and displays an analysis result and alarm information. Through the system and the method,forest fire early warning information can be obtained more efficiently. Meanwhile, related personnel are reminded to take corresponding prevention measures in effective time, and early warning is carried out in time under the trend of forest fire occurrence conditions.

The invention provides a method for inquiring authority. The method comprises the following steps of: (102) inputting user information; and (104) searching all business objects and corresponding authorities of all the business objects as user authority of the users and the business objects corresponding to the user authorities according to the user information, wherein the business objects are in direct contact with users and in indirect contact with the users through a plurality of inheritance relationships corresponding to the users. In the technical scheme, the plurality of inheritance relationships are used for respectively contacting the users and the business objects, which can effectively reduce the space required by storing authority data. The invention also provides a device for inquiring the authority. Through the technical scheme of the invention, the requirement of authority inquiry of the users can be met, and moreover, the space for storing the data can be smaller when the technical scheme is implemented.

The invention discloses a method and a device for enhancing random data read-write performance in a storage system. The method comprises the following steps: receiving random data to be written into a storage cache, and obtaining the detailed information of each piece of random data, wherein the detailed information comprises the data size information of each piece of random data; according to the detailed information of the random data, integrating multiple pieces of random data in a writing sequence to form long data of a preset size; and writing the long data into a bottom-layer disk in one time, and writing metadata corresponding to the long data into a solid state disk, wherein the size of the long data is the same with the stripe depth of the bottom-layer disk. Obviously, the random data written into the storage cache is collated, the random data of different block sizes is synthesized into continuous data of a fixed size, the metadata is written into the solid state disk, meanwhile, the collated long data is written into the disk, so that the reading performance of the random data is improved, and in addition, data space is saved since the size of the long data is equal to the stripe depth of the bottom-layer disk.

The invention provides a data transmission method and a data transmission device. The method comprises the steps as follows: setting a transformational relation of a binary data flow and a structural body; setting a fusion rule of the structural bodies; establishing a data space; loading more than one binary data flow to be transmitted into the data space; separately transforming the more than one binary data flow into the corresponding structural body according to the set transformational relation of the binary data flow and the structural body; fusing the adjacent structural bodies according to the set fusion rule, and transforming the fused target structure body into a binary target data flow, and transmitting the binary target data flow to a receiving end so that the receiving end could analyze the received target data flow and execute the corresponding operation. According to the solution, the method and the device of the invention improve the efficiency of data transmission.

The invention discloses a split rotary transformer precision compensation system and method for a position marker. The system includes: a host computer control and calculation module (1), a position marker combination (2), a compensation parameter module (3), and a control algorithm A module (4), a drive module (5), a split rotary transformer (6), a rotary mechanism (7), an angle measurement module (8) and an angle position feedback module (9). After testing the output angle of the split resolver (6) and the angle position feedback module (9) through this set of devices, the actual mechanical rotation angle error is measured and the fitting curve function is calculated, and the accuracy of the resolver measurement value is significantly improved after compensation using this function. The present invention makes corresponding compensation for the electric feedback angle of the coaxially installed split resolver (6) for the position marker without adding additional hardware logic circuits, and effectively improves the measurement accuracy of the coaxially installed split resolver for the position marker .

The invention discloses a virtual currency data mapping method, system and device and a storage medium, and the method comprises the following steps: obtaining a UnionID and a mobile phone number of auser, and then building a unique storage unit in a background database according to the UnionID and the mobile phone number; Logging in the game application through the UnionID, mapping the game application to a corresponding storage unit according to the UnionID, and obtaining and displaying virtual currency data in the storage unit; And obtaining input information of the user, and updating thevirtual currency data according to the input information. According to the invention, the storage unit is established through the UnionID, and the virtual currency data is stored in the storage unit,so that data sharing is realized, and the operation experience of a user is improved; Besides, as a plurality of games are applied to one storage unit, more data space is saved, the cost of game developers is reduced, and the method can be widely applied to the technical field of data mapping.