251results about How to "Reduce redundant data" patented technology

The application discloses a file processing method and system based on cloud storage, and a server cluster system. The method comprises the following steps that: a WEB server receives a file uploading request sent by a client; the WEB server returns a file ID (Identity) which is generated for a new file to be uploaded by a server cluster; the client splits the new file and generates a unique slice ID for each slice file; the client uploads a slice file data packet to the WEB server, the slice file data packet comprises the file ID, the slice ID of each slice file and slice data of each slice file; and the WEB server sends the slice data of each slice file in the slice file data packet to corresponding service terminals in the server cluster for storage. By virtue of the embodiment of the application, the file is subjected to splitting processing, and the slice files are stored in the server cluster in a distributed manner, so that the cloud storage performance based on the server cluster is relatively optimal.

A system, method, and computer readable storage medium for managing product development include a relational database containing draft, approved, and archived versions of product, package, materials, process, and artwork technical data for use by product development personnel in providing a structured set of data output for use in a supply chain. In one embodiment, the relational database includes objects having data to describe design requirements of a finished product component such as a formula, material, package, and the like. Text documents may be linked to the relational data structure by reference to provide design requirements not amenable to a structured data format, such as test methods, process instructions, and the like. The system, method, and computer readable storage medium provide for electronic communication and electronic approval of data subsets while tracking changes and archiving previous versions for subsequent access or reference. System validation and ongoing change control provide necessary support for products in regulated industries.

The proposed Dynamic Motion Vector Analysis method applies to the motion compensation module of a video decoder system. The method analyzes the motion-vectors of a given region of picture frame and outputs a set of regions to be fetched from the reference frames stored in the external memory. The size and number of regions are decided by a hierarchical method that uses a set of user-defined input thresholds. Pre-processing of the motion vectors associated with the given region allows the method to handle reference data to be fetched from multiple reference frames in the same framework. A complementary dynamic batch (region of operation) size strategy that works along with MV-analysis is also proposed to help utilize the on-chip memory resources more efficiently.

The invention discloses a method and a device of business configuration and relates to the technical field of communication networks. The method includes the steps of analyzing received business requests, obtaining business identification, confirming a goal business or a goal business interface corresponding to the business identification according to mapping relationship between the business identification and a called business or a called business interface, converting formats from the business requests to the goal business or the goal business interface according to converting rules between the business identification and the called business or the called business interface, and transmitting the business requests after the formats are converted to the goal business or the goal business interface. The method and the equipment are suitable for being used for achieving the business configuration, redundant data in a system can be reduced, and processing performance of the system is improved.

A system that facilitates generating a report based upon data within a relational database comprises a mapping component that utilizes mapping functions to associate a multi-dimensional structure with the relational database. A report generator communicates with the multi-dimensional structure to obtain data relating to the relational database and generates a report that includes the obtained data. For example, the mapping component can utilize measure groups to effectuate the association between the multi-dimensional structure and the relational database.

The invention relates to the field of automotive electronic technology composed of a plurality of electronic control units (ECUs), in particular to a method for application database file self-adaptation electronic control unit (ECU) message collection. A database computer (DBC) file supplied by a controller area network (CAN) bus is used for collecting a message system of ECU message dynamically, a remote service center converts the DBC file into a message collection control table which can be easily recognized by a car-mounted terminal, consequently the car-mounted terminal can quickly and selectively collect signal values in the ECU message needed by actual application, and therefore the phenomenon that redundancy message data are uploaded to a center system can be reduced. The method for application database file self-adaptation ECU message collection is outstanding in collecting car driver driving habit signal data application, communication flows can be reduced greatly under the condition that signal data are not compressed, a customizable and dynamically-expanding signal collection scheme can be supplied to an operational platform, and the problem of the complex DBC file of the car-mounted terminal can be solved.

The invention discloses an organization and management method for space-time map tile data. The method includes the steps that parameter information of an original image is set or read, wherein the parameter information includes the tile hierarchy, start row number, start column number, terminal row number, terminal line number, shooting time, spatial range, proportional scale, map output format, tangent graph start and terminal point coordinates and version information in a pyramid model; each layer of image in the pyramid model is corrected; a database model is established with the tile hierarchy, shooting time and spatial range as the index; the parameter information of all the layers of tiles is correspondingly stored, and a time node mirror image version is established. According to the method, the map cutting scheme and data structure of an existing map cutting tool are expanded and optimized, the process of space-time electronic map production and incremental updating is constructed, the working efficiency of tile production, updating and issuing is improved, the server resource consumption and cost are effectively reduced, the requirement of redundant data for a large disk space is lowered, and the method is compatible with an international standard format and a mainstream tile generation tool.

The embodiment of the invention provides a digital television as well as a software upgrading method and system thereof. The method comprises the following steps of: judging whether the digital television needs software upgrading; if so, sending an upgrading request by the digital television to a server; receiving the description information of a file to be upgraded, returned by the server, according to the upgrading request, wherein the description information comprises the name of the file to be upgraded, the link address and the version information comprising the major version number and the minor version number; and downloading the corresponding file according to the description information. In the embodiment of the invention, through information interaction between the digital television and the server, the server provides the description information comprising the minimum upgrading file for the digital television, transmits the description information to the digital television through a network, and upgrades the description information locally, and thus, redundant data transmitted on the network are reduced.

The invention discloses a method, a device and a system to provide and substitute the web pages in the field of internet, so as to solve the problems of cross-domain, data redundancy, and large amount of data packet files, etc., when carrying out the proposal of using the xml technique to substitute the web page templates. The method for providing the data to be substituted includes that a server receives a web page data substituting request information sent by a client; the server provides the client with a JSON data page containing the identifiers of data nodes. The method for substituting the data in the web page includes that the client end receives the JSON data page containing the identifiers of the data nodes provided by the server; the client end gets the node identifier corresponding to the first data to be substituted in the web page; the client matches the node identifier corresponding to the first data to be substituted with the data node identifier contained by the JSON data page; and finally, the client end substitutes the first data to be substituted with the data of JSON format corresponding to the node identifier gained by the matching.

The present invention provides method and apparatus of image data compression for the temporary image storage buffer. At least one image pixel is compressed and stored in a storage device for the following pixel's reference. The difference planes among R-plane, G-plane, and B-plane are generated to take advantage of correlation among color components in reducing the image data. The difference between adjacent pixels is generated to further reduce the length of the code of image pixels.

A computer implemented method, apparatus and computer readable medium for monetizing online referral social networks. The online referral social network system confirms a particular online referral social network member indicated in one or more communications for registering a user as having referred the user to the online referral social network is a member of said online referral social network. A referral commission is determined and paid the particular identified referring member.

The invention discloses a transmission line anti mountain fire early warning system, including a data collection system, a transmission and control system and a background management system. The datacollection system includes an infrared thermal imaging camera, a temperature sensor, a humidity sensor, a wind speed sensor, a wind direction sensor, a visible light camera, a light sensor and a smokesensor. The transmission and control system includes a central controller. The background management system includes a background server and an alarm. The infrared thermal imaging camera, the visiblelight camera, the temperature sensor, the humidity sensor, the wind speed sensor, the wind direction sensor, the light sensor and the smoke sensor transmit the collected data to the central controller through signals. The central controller further processes and sends the signals to the background server. The background server can trigger the alarm to alarm according to the received signals. Thebackground server can feed back to the central controller according to the received signals so as to control the infrared thermal imaging camera and the visible light camera.

This invention discloses a method for realizing data synchronization on SyncML layer, which not only presents a concrete realization method for data sort synchronization but also delivers information of number and data kinds as much as possible to avoid delivering concrete data contents, besides, the synchronous data occupy a small physical space so as to reduce the existence of redundant data furthest and save the limited resources of devices and network.

The invention provides a method for Iub port flow control, comprising the steps: RNC sends a capacity request frame to the base station every 100ms, and notifies the cache occupancy information of each queue; the base station measures the air interface average transmission rate of each queue every 100ms, and Occupy information, select the size and period of the next 100ms Iub port transmission data block for each queue, and send a capacity allocation frame to the RNC. In addition, the present invention also provides a flow control device, including: a measurement unit, used to measure the average transmission rate of the air interface of each queue every 100ms; Buffer occupancy, allocate the size and period of the Iub port transmission data block of the next 100ms for each priority queue, and send a capacity allocation frame to the RNC. The invention can simplify the flow control of the Iub port, thereby preventing the system processing burden caused by too frequent capacity allocation.

The invention provides an active-active method for cloud data center management platforms. The method comprises the implementing processes of setting an infrastructure by defining three layers of frameworks including a virtualization layer, a support layer and a business layer; designing a database which is a data base for mutually interacting a plurality of cloud data center management platforms, designing a data list for distinguishing main and reserved management platforms, marking cloud resources according to the REST identifying fields of the main control management platform, and defining a data synchronous strategy to realize the management on a cascade multi-data center management platform; and setting an active-active scheme, defining the coping strategies of the cascade multi-data cloud resource management platform in an active state, a non-active state and a catastrophic destroy state, so as to realize the active-active cloud management platforms in various scenes. According to the active-active method for the cloud data center management platforms, compared with the prior art, the plurality of cloud data center management platforms are mutually transferred by adopting RESTAPI, and convenience, fastness and high efficiency can be realized; and the method is strong in practicality and likely to popularize.

The present invention relates to an inter-network data header compression realization method. According to the method, two embedded ARM (Acorn RISC Machine) processors are adopted as a hardware basis, and the kinds of hardware are designed into gateways in different network domains by means of gateway data forwarding; a multi-processing mechanism is adopted to perform classification processing on the different data packet types of the different gateways; and a network address and physical address mapping method is adopted to achieve host communication between different local area networks. The inter-network data header compression method can be applied to an OSI (Open System Interconnection) seven-layer model-based network protocol. Different from a traditional a third-layer switching technology, the inter-network data header compression method of the present invention uses the network address and physical address mapping method in the ARP (Address Resolution Protocol) technology to process the data packets of a data link layer, so that the gateways can directly forward the data after receiving data without making the data processed by the upper layer of a network protocol, and therefore, the forwarding efficiency of the data can be increased by 15%; the quantity of data transmission in a communication link can be reduce by 12%; and good anti-jamming performance can be realized when video voice data packets are transmitted.

The invention relates to a vehicle-mounted network data distribution method on the basis of collaborative optimization sign bit encoding. The vehicle-mounted network data distribution method comprises the following steps that a data distribution center distributes data on vehicle nodes in a selected region in a broadcasting manner by arranged base stations, wherein each vehicle node is provided with a single radio wireless receiver and each base station has the same source file F obtained from the data distribution center; sign bit encoding is applied to encode the distributed data and when the vehicle nodes are positioned in the broadcasting range of the base stations, the base stations broadcast the data to the vehicle nodes in a circulating manner; and when the vehicle nodes are positioned beyond the broadcasting range of the base station, the vehicle nodes are self-organized mutually to form a mobile network and a group of relay nodes are selected among the vehicle nodes so as to collaboratively distribute the data among the vehicle nodes and implement data collaborative broadcasting distribution on the basis of encoding. The method disclosed by the invention can be more flexibly suitable for the dynamic environment of the vehicle-mounted network; and compared with a conventional network encoding mode, the vehicle-mounted network data distribution method has high encoding rate, large network throughput and short distribution time delay.

The invention provides a data storage method and system. The method comprises the following steps of: dividing each stored file into a data segment with a preset size; generating unique identification information corresponding to the data segment for each divided data segment, wherein the identification information is used for carrying attribute information corresponding to each data segment; comparing the content of each data segment, and finding out repetitive data; grouping two or more than two portions of data with the same content; keeping one data for the repetitive data of each group, and storing a physical storage position of the portion of data as redundant data watermarks of the other portions of data in the group; and if one data segment has the repetitive data, replacing the repetitive data in the data segment with the redundant data watermarks of the repetitive data. The method benefits the saving of space resource of the data on a physical storage entity, thereby improving the efficiency and safety of remote data replication.

The invention discloses a traffic target tracking method based on optical flow and local invariant features. The method comprises the steps that firstly, an initial template is constructed for an input video image through Gaussian background modeling, and a foreground target is extracted; next, a target characteristic point is detected through the SURF transformation algorithm; then, the characteristic point is detected and the target is tracked by constructing an image multi-resolution wavelet pyramid and improving an LK sparse optical flow method, an adaptive template real-time updating strategy is made, whether the template is the last frame or not is judged, and if yes, tracking is ended; if the template is not the last frame, template updating judgment is conducted; if template updating is not needed, tracking is continued; if template updating is needed, tracking is continued after the template and a tracking window are updated according to an updating method. Through the method, matching is accurate and rapid, redundant data is reduced, adaptability is high, high robustness is achieved in respect of target vehicle deformation, high speed, noise, uneven illumination, partial covering and other complicated environments, and the vehicle recognition ability is improved; the method has obvious advantages compared with a traditional method and has good application prospects in intelligent transportation target tracking systems.

The invention discloses a dynamic recovery system for a waste space of a virtual machine image file. The system is in a structure the front and rear ends of which are interacted, wherein a front end monitoring part acquires delete information in a client virtual machine, which is realized by a delete operation monitoring module and a delete information detection module; and a rear end processing part recovers the waste space in the virtual machine image file according to the delete information and the current physical memory condition, which is realized by an information decision module and a waste space recovery module. The system dynamically recovers the waste space in the virtual machine image file, thereby improving the utilization rate of a disk space, and ensuring sufficient physical memory and user benefits under a virtualization environment. Compared with the prior art, the dynamic recovery system of the invention has the advantages that the services of the client virtual machine can be ensured, the virtual machine image file is not required to be scanned again, the recovery strategy can be regulated in real time according to the physical memory condition, the high efficiency and flexibility of the system are improved, and the dynamism and low consumption of the system as well as the transparency of resource utilization are ensured.

The invention relates to a document associating method. The method comprises the following steps of: establishing the current document and acquiring the type and the attribute of the current document; establishing the association relationship table of the current document according to the type and the attribute of the current document; and acquiring the association relationship between the current document and an upstream document and adding into the association relationship table of the current document. In the document associating method and the document associating system, by generating the association relationship table to store the information such as the type and the attribute of the document and the like, the information such as the type and the attribute of the document and the like is not required to be stored in the document, so that redundant data in the document is effectively reduced, the speed of acquiring the document is increased, and the document has high expandability and can be modified according to the service requirements of different users.

The invention provides a structured data exchanging method. In the method, a data exchange packet mainly comprises data item value pairs and a data record set; data can be concisely described; data items are separated by using specific separators which cannot be input; and the format comprising the data item value pairs and the data record set is realized. As only a little redundant data are added, the structured data exchanging method has the advantages of small data packet, fast data exchange and convenient application.

The invention relates to the technical field of machine vision, in particular to a dynamic vision sensor and laser radar data fusion method which comprises the following steps of S1, respectively obtaining event frame data and a point cloud frame through a dynamic vision sensor and a laser radar; s2, preprocessing the obtained data and point cloud frames to obtain preprocessed data; s3, performingregion division on the preprocessed data, and constructing neighborhoods to obtain a neighborhood point set; s4, performing depth estimation on pixel points of the dynamic vision sensor to obtain a depth value; and S5, fusing the pixel points and points in the point cloud frame to obtain a depth map, obtaining three-dimensional coordinates of each pixel point according to the depth map, and filling the three-dimensional coordinates into the point cloud frame to complete fusion to obtain dense three-dimensional point cloud data. According to the method, the dynamic vision sensor is used for outputting data streams, dense event points can be obtained and fused with the point cloud data of the laser radar to form dense point cloud data, and the accuracy of the algorithm is greatly improved.

The invention discloses an inspection track optimizing method and system for an electric power circuit. The method comprises the following steps: step 1, executing constraint of an inner buffer area and an outer buffer area to track points collected by the inspection, to obtain a first track point set and a second track point set; step 2, executing the average processing to the second track pointset, to obtain a third track point set; step 3, executing the topological constraint to the first track point set and the third track point set so as to remove redundancy track points, repeated trackpoints and abnormal track points; and step 4, according to the time sequence, sorting the residual track points in the first track point set and the third track point set. The method is used for optimizing inspection track data collected by a mobile inspection device, and reducing the redundant data and the error data, so the inspection track is more simple and rational.

The invention relates to an object-orientated city entity geocoding integration method. The method comprises the following steps of: step 1, generating a type code of an entity object; step 2, generating a space code of the entity object; step 3, judging the code similarity, including two sub-steps of judging the space code similarity and judging the type code similarity; and step 4, for a new entity object, performing connection by "-" according to an 8-bit time code which is accurate to the day when the new entity object enters a central encoding library, along with the space codes and the type codes for warehousing, and for a suspected new entity object, transferring the suspected object to "a repeated entity candidate area" for further processing. The invention provides a special entity comprehensive encoding construction method for city vector data; efficient indexing and integration of rapidly expanded and disordered city running data in an ordered and infinitely expanding manner on a geographic framework are realized by the encoding; and the integration method is a supplement of an existing integration technology.

The invention relates to a method for a storage event log to automatically filter repeated jitter data. The method comprises the steps: setting two layers of filtering, screening a normal event log record through a first layer of filtering when a record (the event log record) which waits to be analyzed from a message queue, sending the normal event log record into a buffer memory, and saving the time of comparison one by one; and enabling remaining records after the first layer of filtering to abandon the jitter data through a second layer of filtering, reducing redundancy of the data, and sending an event log record filtered through the second layer of filtering to a nonvolatile storage medium, wherein the remaining records are taken out from the massage queue and wait to be analyzed. After a period of preset time, the data in the record buffer memory are sequentially stored into corresponding storage areas according to types. According to the method, in the analysis stage of the formed event log, an effective jitter data filter algorithm is added, a traditional data ergodic comparison algorithm is abandoned, the jitter data are efficiently filtered, and redundant data are reduced.

The invention discloses an unmanned aerial vehicle group cooperative safety control method based on switching topology. The method comprises the following steps: utilizing a time-varying switching topological graph to represent information interaction among unmanned aerial vehicle groups in each switching subsystem; considering the influence of external interference, respectively establishing thesecond-order dynamic equations of an unmanned aerial vehicle pilot and an unmanned aerial vehicle follower in the switching subsystems; designing a safety controller which simultaneously considers external interference and event triggering for tracking the motion track of the unmanned aerial vehicle pilot and keeping the formation among the unmanned aerial vehicle groups of followers; and establishing the equation of an unmanned aerial vehicle group error system under the switching subsystems to obtain the stability condition of unmanned aerial vehicle group error system, and inhibiting external interference by utilizing an H infinite method. The method solves the problems of information interaction, data redundancy and external interference under different formations in unmanned aerial vehicle formation.

The invention discloses a prefetching starting method and a prefetching starting device of an operating system. The prefetching starting method includes that a prefetching data loading module loads prefetching data corresponding to the operating system from a disk into an internal storage after receiving a command of starting the operating system, wherein the prefetching data include file blocks correspondingly read by page mistakes generated during historical starting of the operating system, and a code loading module loads a code of the operating system to start the operating system. By the prefetching starting method and the prefetching starting device, starting speed of the operating system can be increased.

A system for providing an interface that allows access to system used to sell time slots for advertisements in broadcast programming. This system allows a user to access databases to access information needed to sell the advertisements. The system integrates the databases to allow easy access and centralized storage of all needed information for selling time slots for advertisements in broadcast programming.