45results about How to "Avoid redundant data" patented technology

The invention discloses a web application system and a method. The system includes a web server, a browser equipped with web applying client-side, a request agent unit connected with web applying client-side and web server and a data center connected with the request agent unit. The data center is used for buffering the requested data by the web applying client-side through the agent unit in the browser and carrying the centralized management; the request agent unit acquires the required data from the data center according to the request of the web applying client-side, or acquires the required data from the web server through the request, meanwhile the data returned from the web server is provided to the data center, and returned to the web applying client-side. The invention can effectively reduce the alternating times of the client-side and the server, advance the request response speed of the client-side, avoid the redundant data, thereby improving the performance of web application.

A method for protecting redundant data is provided. In the present invention, when a working data area and a redundant data area are not destroyed, whether global unique identifiers (GUIDs) of both the working data area and the redundant data area are the same is determined when a power on self test (POST) is executed. If the GUIDs are different, the data of the working data area is synchronized to the redundant data area. Next, the working data area and the redundant data area are set to share the same memory address space. One of the working data area and the redundant data area is selected for mapping to the memory address space in case that an operating system is executed.

The invention discloses a method for multi-factor automatic update of a road space network. According to the method, the limitation of global updating and manual updating is avoided, processing of only changed data is achieved, the goal of accurate and real-time dynamic updating is achieved, and a digital network model and a real network are kept consistent most efficiently. The method includes the steps of performing data preparation and pretreatment; matching changed road information with a to-be-updated network, and searching newly-increased roads and rebuilt roads; performing matching inspection on possibly matched line entities, such as inspection of four factors which are area overlaying ratio, directional included angle, Hausdorff distance and semantic consistency; performing reversal matching on an original road space network and the changed road information, and deleting abandoned road section data. According to the method, road space network update efficiency and accuracy areimproved, and the road space network automatic update reliability is greatly improved.

The present invention provides a live video processing method and device. The method comprises: obtaining a video data stream collected by a camera, wherein the video data stream includes a plurality of video frames; dividing each video frame into a plurality of image blocks according to the same layout; calculating the brightness value of each image block, and calculating the difference of the brightness value between the image blocks with the same position in each video frame according to the brightness value; determining the mean value of the difference corresponding to the image blocks with the same position, and determining whether the video data stream is a static-frame video stream or not according to the number of the image blocks corresponding to the mean value; and when the video data stream is the static-frame video stream, executing at least one item of reducing the frame rate of a camera step by step, increasing the intervals of key frames in the video data stream step by step and sending the cutout information to a server. In the invention, the problems that lots of redundant data are generated without interaction between audiences and anchors and the bandwidth is wasted.

The present invention discloses a method and a system for optimizing audio and video resource metadata in a network television. In the method, at least one audio and video resource as a class for program ordering, which has common attributes, is defined, in the class, an ordinary metadata structure formed by the common attributes and a special metadata structure formed by special attributes are combined to form the metadata structure of the class, the metadata file of the class is generated according to the metadata structure, the metadata file and the audio and video resource file in the class are packaged to produce a general file which is then sent to an outside resource management system. The system of the present invention includes a class definition module, a metadata structure extension module and a file generation module. The method and the system of the present invention can avoid a large quantity of redundant data generated in the metadata file, reduce the workload when a terminal resource provider enters information, and also increase the efficiency of network transmission and the information downloading speed of a set-top box at the same time.

A method for configuring a real or virtual electronic control unit, wherein a control unit software is executed on the control unit, and the control unit software comprises a basic software layer, the basic software layer is configured by a module configuration file by setting values of parameters, the scope of the configurable parameters being defined in a first module definition file which contains the identifiers of the configurable parameters. The first module definition file is replaced by a second module definition file, and a conversion of the first module configuration file into a second module configuration file takes place.

The invention provides a streaming media on-demand method and a streaming media on-demand system. The method includes that when any streaming media server in a streaming media server cluster receives a streaming media demand request from a terminal, the any streaming media server sends the streaming media demand request to a distributed storage device; the distributed storage device selects a target storage server from a distributed storage server cluster and sends the streaming media demand request to the target storage server; the target storage server acquires target data according to an index number in the streaming media demand request and sends the target data to the any streaming media server; the any streaming media server performs preset processing operation on the target data according to a preset streaming media protocol and distributes streamed data obtained after processing to the terminal. The streaming media on-demand method and the streaming media on-demand system have the advantages that data storage of the on-demand system is achieved, and video-on-demand localization is solved quite conveniently by combining distribution and deployment characteristics of distributed storage, so that user experience is improved.

The present invention provides a data synchronization method applied to a host and at least a client. First, the host transmits a request for synchronization operation to the client. The client replies at least a piece of connection information to the host. The host judges if the connection information contains operation flags. If not, the host transmits a request for data transmission to the client for driving the client to transmit the corresponding data of the connection information to the host. When the host completes receiving the data, the host stores an operation flag to the connection information and transmits it to the client for overwriting the connection information in the client.

A system for tracking mobile points of interest within a region can include beacons affixed to mobile points of interest, mobile computing devices, and an Internet-connected server. Each of the beacons can broadcast advertisements with unique identifying information via a short-range communication protocol. Each computing device can include beacon communication hardware, Internet communication hardware, and geolocation capability. Each computing device can record advertisements from beacons along with corresponding geolocation information. The computing devices can filter the recorded received advertisements along with corresponding geolocation information, to result in device-filtered beacon location data. The mobile computing devices can transmit the device-filtered beacon location data to the server, which can receive and record the device-filtered beacon location data from the computing devices. The server can filter the device-filtered beacon location data, to result in server-filtered beacon location data. The server can transmit the server-filtered beacon location data to at least one other entity.

The present invention discloses a method for storing low-redundancy data. The method of the invention is suitable for a data storage system which uses local data block and link data block for storing data files, wherein, the local data block is data content. The link data block is used for linking the local data block in other data file. Before executing writing operation to the data file and closing the data file, the method comprises the following steps: when the local data block which is linked with other data file in the data file is modified, copying the local data block to the linked data file and modifying the linking between the corresponding data files; and when the local data block which is linked with the linking data block in another data file is modified, copying the local data block to the data file and correspondingly modifying the linking between the corresponding data files, wherein the linking data block is in the data file. The method of the invention can prevent the generation of redundancy data in writing operation of data file furthest and can use the memory space more effectively.

The invention discloses an optical cable line routing general survey operation method, particularly relates to the field of optical cable maintenance and management, and dynamically presents optical cable line routes around the environment where maintenance personnel are located through a satellite map in combination with GPS coordinates. Maintenance personnel perform matching and comparison with on-site optical cable lines through a mobile terminal in modes of point selection, point dotting, occupation, point deletion, splitting, confirmation and acquisition in combination with system routing information, so that general survey of new network access optical cable line routing can be quickly realized, and checking of stock optical cable line routing can be quickly realized. The standardization and accuracy of optical cable route data are effectively improved, redundant data caused by general survey can be avoided, general survey and optical cable route calibration can be directly achieved on the multi-point trend of the optical cable route at a time through the mobile terminal, and then the simplicity and convenience of the optical cable route general survey operation process are achieved; and the method has the characteristics of intuition, convenience and high efficiency.

The invention relates to an increased safety control device of a safety valve and a state monitoring and evaluation method. The increased safety control device of the safety valve comprises a pilot operated safety valve and an increased safety controller, the pilot operated safety valve is additionally provided with a pressure sensor, a state detection module and an electromagnetic valve, and theadded three parts are all connected with the increased safety controller through circuits; and the increased safety controller comprises an MCU module with a preset logic processing program, and the MCU module is connected with a GPS module, a communication module, a memory card, a man-machine interaction module and a fault LED lamp. When the MCU module collects that the change value of the pressure in unit time is larger than a program set threshold value, the pressure change value and the safety valve state change are recorded in the set time. A remote terminal carries out graphical processing on the pressure and opening and closing state process, and diagnosis, evaluation and improvement on opening pressure setting, closing speed and pressure relief capability by checking an opening pressure relief time node, a maximum opening degree time node and switching frequency characteristics.

The invention provides a method for quickly acquiring three-dimensional vector data of a vertical cutting plane of radar reflectivity data. The method comprises the following steps of: normalizing radar three-dimensional scan data; constructing a hexahedron mesh of radar data points; constructing a vertical cutting plane; and calculating vertical cutting plane data of the radar reflectivity data.The invention normalizes scanning data of each layer of the radar, directly processes the data points detected by the radar to construct the hexahedral mesh, and then quickly acquires the vertical cutting plane of the radar reflectivity data through a cutting process for the hexahedron. The whole process reduces the amount of calculation data and avoids redundant data, greatly improves acquisitionefficiency of the vertical cutting plane of the radar reflectivity data, and can be conveniently applied in the real-time three-dimensional weather monitoring service.

The invention discloses a motor-vehicle anti-alcohol drive starting device and method. The starting device comprises a shell, a measuring portion and an operation portion; the shell is communicated with a vehicle power supply of a vehicle through a power line, and the measuring portion is electrically connected with the shell through a data line; the operation portion comprises a relay assembly arranged on a vehicle throttle circuit, and the relay assembly is electrically connected with the shell through another data line and is used for controlling connection and disconnection of the vehicle throttle circuit. The motor-vehicle anti-alcohol drive starting device is applied to the vehicle throttle circuit, and other auxiliary functions rather than normal driving of the vehicle can be used when a driver is detected to be in a drunk driving state; even the driver leaves the driver's seat, whether or not the driver before leaving and after leaving the driver's seat is the same driver can be quickly judged through machine vision equipment, previous operation is sustained if yes, or otherwise, judgment about whether drunk driving exists or not needs to be performed once more. By the arrangement, operation steps of the system are simplified, and generation of excessive redundant data is avoided.

The invention provides a multi-dimensional data analysis processing method and system based on Kyl in OLAP. The method comprises the steps of collecting a data set from a database regularly and writing the data set into an HDFS file system; obtaining structure information of a data table in the database of a hadoop cluster, and generating a plurality of multi-dimensional cubes according to configuration of the structure information; synchronizing the data set in the HDFS file system through a Kyl in multi-dimensional engine, and constructing and generating a plurality of cube segments according to the data set and a multi-dimensional cube, and storing the cube segments in an Hbase database; and in response to a query statement input by a user, searching the corresponding cubic segments in the Hbase database through the Kyl in multi-dimensional engine, and returning a data result in the cubic segments. Based on a Kyl in OLAP engine and a Saiku tool, a high-customization multi-dimensional data analysis report is realized, manual integration is not needed after data dimensions are configured, the dimensions are freely and flexibly combined according to service requirements, a system automatically executes data scheduling, aggregation, calculation and presentation according to multiple combination modes such as parallelism and level, and multi-form presentation of reports, charts and the like is supported.

The invention particularly relates to a panoramic data acquisition device based on an industrial camera and an industrial lens. The panoramic data acquisition device based on the industrial camera andthe industrial lens disclosed by the invention comprises plurality groups of photosensitive suites, a processor, a synchronizing device and an acquisition environment detecting device; the photosensitive suite includes the industrial camera and the industrial lens; the processor sends an acquisition instruction to the synchronizing device; the synchronizing device simultaneously sends the acquisition instruction to the plurality groups of photosensitive suites; the photosensitive suites collect data at the same time; the acquisition environment detecting device detects acquisition environmentconditions; and the processor receives the acquisition environment conditions and sends acquisition parameters to the photosensitive suites. The invention avoids a delay when transmitting the acquisition instruction, and reduces the time error of triggering a shutter; and the plurality groups of photosensitive suites can be guaranteed to collect the same scene simultaneously during a movement process; therefore, the mosaic quality of the panoramic data is improved; in addition, timely setting of the acquisition parameters of the photosensitive suites is also realized, which can be applied toautomated data acquisition in different environments and is suitable for industrial applications.

The invention discloses a data reception device, a system and a method capable of intelligently adjusting reception conditions; the data reception device comprises the following units: a reception condition adjusting unit used for automatically adjusting data reception conditions according to user history usage records; a measured data obtaining unit used for obtaining user body measured data; a filter unit used for comparing the measured data with data reception conditions of each user bonded with a body weight detector; a filtering result processing unit used for sending the measured data to a mobile terminal corresponding to the user according to the comparison result of the measured data and the data reception conditions of each user. The method and method can filter the measured data according to the data reception conditions, thus preventing mass redundancy data; the method can intelligently adjust the data reception conditions, thus ensuring the data to be received and claimed when the user body data has large changes, and automatically claiming the body weight detector measured data.

The invention discloses a method for quickly acquiring radar basic reflectivity vector graphic data. The method comprises the steps that data of a scanning layer in a preset elevation angle is acquired from to-be-processed radar reflectivity data, and space position coordinates of i library data on scanning lines of all azimuth angles in the scanning layer are calculated to obtain a radar datapoint structure corresponding to all library data on the various scanning lines; and in the radar data point structure, two points at the adjacent i library and i+1 library are sequentially acquired from each of two adjacent scanning lines, a total of four points are acquired, and the four points are sequentially connected to construct a trapezoid patch by taking the four points as vertices, and then all trapezoid patches are constructed. The method is beneficial to global sharing of radar product data, provides effective decision support for reduction and prevention of meteorologicaldisasters and has the good social and economical effect; and meanwhile by means of the quick data obtaining capacity of the method, the method has the good technical effect on the capacity of quicklyobtaining the data and can shorten the response time of relevant departments to the disasters.