575results about How to "Optimize data processing" patented technology

The present invention relates to a packet analysis system and method, which enables cluster nodes to process in parallel a large quantity of packets collected in a network in an open source distribution system called Hadoop. The packet analysis system based on a Hadoop framework includes a first module for distributing and storing packet traces in a distributed file system, a second module for distributing and processing the packet traces stored in the distributed file system in a cluster of nodes executing Hadoop using a MapReduce method, and a third module for transferring the packet traces, stored in the distributed file system, to the second module so that the packet traces can be processed using the MapReduce method and outputting a result of analysis, calculated by the second module using the MapReduce method, to the distributed file system.

A writing control system providing high-speed writing to a nonvolatile semiconductor storage device, includes (a) a plurality of memory elements each having: a gate electrode provided on a semiconductor layer with an intervening gate insulating film; a channel region provided beneath the gate electrode; a diffusion region provided on both sides of the channel region, having an opposite polarity to the channel region; and a memory functioning member, provided on both sides of the gate electrode, having a function of holding electric charges, (b) a memory array including a page buffer circuit, and (c) CPU controlling writing to the memory array. The CPU loads a first plane of the page buffer circuit with a first byte of data and writes with the first byte of data stored in the first plane. Further, the CPU writes a second byte of data into the second plane and writes the second byte of data having been stored in the second plane while writing the first byte of data having been stored in the first plane into the memory array.

An efficient quasi-custom instruction set for Physics Processing Unit (PPU) is enabled by balancing the dictates of a parallel arrangement of multiple, independent vector processors and programming considerations. A hierarchy of multiple, programmable memories and distributed control over data transfer is presented.

A railroad track inspection system has multiple track scanning sensors, a data store, and a scan data processor. The scan data processor provides automatic analysis of the track scan data to detect track components within the scan data from a predetermined list of component types according to features identified in said scan data. The track scanning sensors, data store and scan data processor are attached to a common support structure for mounting the system to a railway vehicle in use. An inertia sensor and common master clock are used to make corrections to the output of the track scanning sensors to accommodate dynamic forces in use. The inspection system may be provided in a single housing for mounting to a conventional passenger/freight rail vehicles and may operate automatically in an unattended mode. The location of track components and/or defects may be logged.

There is provided a hand held cursor controller system for use particularly with interactive television and computer presentation graphics. The system uses a hand held device with infrared light emitting diodes which transmits to a detector attached to a processor. The information from the processor is transmitted to a television or video cassette recorder. The system allows for the positioning of a cursor on a television screen with the only input of the user being the aiming of the controller. It includes push-button activation and provides for the transmission of the usual controller codes.

Provided is a method and system for payment processing, including emailing a billing statement to a payer by a biller, the billing statement including an online payment hyperlink having a shortened URL personalized for the payer and a token uniquely identifying the payer. The payer may select the online payment hyperlink, at which point they are presented with the biller's online payment form without the payer logging in or preregistering. The online payment form includes data fields pre-populated with available payer information derived from the personalized shortened URL and token, which may be reviewed, completed and/or corrected by the payer and sent to a secure payment form server. Also provided is the use of Quick response (QR) codes incorporating the shortened URL in a printed format, particularly for use with a mobile communication device.

Embodiments of the invention relate to a project management method and system. The method comprises the steps that a server receives project approval information input by a user; subject splitting is performed according to the project approval information to obtain a plurality of subprojects of different subjects, and each subproject is subjected to project flow splitting according to quality specification information to obtain project supervision list item data; a budget forecasting registration list and supervision work order data are generated according to the project supervision list item data; a mobile terminal device displays the supervision work order data as a supervision work order, receives quality control supervision information and field cost payout data input in the supervision work order by a supervisor, and sends the quality control supervision information and the field cost payout data to the server; the server generates a project actual progress management report, matches the project actual progress management report with a preset project progress forecasting report, and generates project progress early warning prompt information when estimated project completion time leads or lags; and an expense payout registration report is generated according to the field cost payout data, and project payout early warning prompt information is generated when actual expense payout is inconsistent with a budget.

The invention relates to an acoustic logging-while-drilling device and an acoustic logging-while-drilling method. The device comprises a drill collar, an acoustic wave transmitting transducer, a near-spacing acoustic wave receiving transducer, a sound insulator, far-spacing acoustic wave receiving transducer arrays and a control system, wherein acoustic wave signals radiated by the acoustic wave transmitting transducer are propagated in a well wall stratum at which the drill collar is positioned and outside a well; The near-spacing acoustic wave receiving transducer is used for receiving reflected wave signals reflected into the well by a stratum interface beside the well; and the first and second far-spacing acoustic wave receiving transducer arrays are used for receiving acoustic wave signals reflected into the well by the stratum interface beside the well and slide wave signals propagated along the well wall stratum; and the control system controls the acoustic wave transmitting transducer to transmit the acoustic wave signals and performs data processing on the acoustic wave signals of the near-spacing acoustic wave receiving transducer and the far-spacing acoustic wave receiving transducer arrays so as to obtain the lateral distance and azimuth from a well shaft to the stratum interface beside the well. The acoustic logging-while-drilling device is easy for realization of a control circuit, can be used for evaluating the distance and azimuth from a geologic structure body beside the well to the well shaft and is high in engineering application value.

This invention generally relates to methods, systems, data structures and computer program code for managing spatial data, in particular very large volumes of data such as map data for a region or country. Thus we describe a method of partitioning a database of spatial data, the database including a plurality of spatial feature objections, the method comprising: reading data from said database grid cell-by-grid cell, a said grid cell comprising a cell of a grid spatially subdividing a region of spatial coverage of said database, each said grid cell including spatial feature objects; and determining a set of spatial partitions for said database, each grid cell being allocated to a said partition, responsive to a number of said spatial feature objects in each said grid cell.

A device (100) for processing audio data (101), wherein the device (100) comprises a summation unit (102) adapted to receive a number of audio input signals for generating a summation signal, a filter unit (103) adapted to filter said summation signal dependent on filter coefficient, (SF1, SF2) resulting in at least two audio output signals (OS1, OS2), a parameter conversion unit (104) adapted to receive, on the one hand, position information, which is representative of spatial positions of sound sources of said audio input signals, and, on the other hand, spectral power information which is representative of a spectral power of said audio input signals, wherein the parameter conversion unit is adapted to generate said filter coefficients (SF1, SF2) on the basis of the position information and the spectral power information, and wherein the parameter conversion unit (104) is additionally adapted to receive transfer function parameters and generate said filter coefficients in dependence on said transfer function parameters.

The present invention relates to a handy scanner apparatus and a control method thereof, which scan the surface of the object under scan, larger than a scanner, into units of two-dimensional tile images each of which has a predetermined size, and synthesize the photographed images in accordance with shift information into final page images. Particularly, a scan unit comprises: a transparent window portion which forms an area of tile images to be scanned; a housing portion which prevents the introduction of light from an external source; a camera module which maintains a fixed optical distance from the object under scan, and photographs tile images; a lighting module which provides light only during a preset time in accordance with a lighting signal; and a shift sensing module which outputs shift information. According to the present invention, the surface of the object under scan is scanned by units of two-dimensional tile images in which positions of pixels are physically fixed, to thereby achieve improved accuracy of positions of pixels. According to the present invention, the number of arithmetic operations required for image synthesis is reduced, thus enabling high speed signal processing, and the bottom surface of the housing portion can approach closely to the scanning area, thus maximizing a scannable area.

The invention discloses a left and right foot dynamic recognition method based on plantar pressure distribution information. The method includes the steps of plantar pressure data filtering, plantar pressure data clustering, single-step footprint image processing and left and right foot dynamic recognizing. An improved type IMF filtering algorithm is adopted for the plantar pressure data filtering. A K-means clustering algorithm is adopted for the analysis on the plantar pressure data clustering. The single-step footprint image processing includes the substeps of footprint image bilinear interpolation amplification, median filtering, morphological processing and the like. The left and right foot dynamic recognizing is achieved by conducting judgment on the basis of the extreme value distribution situations of fitted footprint profile curves and footprint width curves. By means of the method, plantar pressure data can be processed and analyzed in real time, and gait feature parameters in the walking process are calculated according to the starting and stopping time of each step of a footprint sequence. The method is simple, the recognition speed is high, the recognition accuracy is high, high robustness is achieved, and the method can be applied and popularized in hospitals, rehabilitation organizations and colleges, universities and research institutions working on related gait research.

A phase alterable power detected array antenna external calibration method is an external calibration algorithm of an array antenna channel amplitude and phase consistency calibration. The array antenna comprises a plurality of antenna units, the phase of each antenna unit signal is controllable, and each antenna unit signal stacks and forms the array antenna signal. In order to realize the calibration of the array antenna, the invention alters the state of an alterable digital phase shifter connected with each antenna unit, obtains a response to the external calibration signal of the array antenna, forms a positive definite or overdetermined equation corresponding the response of a specific channel at multiple different states, obtains the relative amplitude and the relative phase corresponding to the reference signal of the channel by solving the equation, thus obtains an phase-amplitude consistency error of each channel of the array, thereby realizing calibration.

In a device having a capability of using time data acquired from an external time information generator, a notification unit notifies a user of time information. The notification unit also notifies the user whether the notified time information is based on time data acquired from the external time information generator. Processing performed by the device is restricted depending on a status associated with time information. Although some types of processing are allowed when the device is in a status in which the time information is based on the time data acquired from the external time information generator, the same type of processing are disabled when the device is in any other status associated with time information.

The invention relates to a method for reducing fatigue loads in the components of a wind turbine subjected to asymmetrical loading of its rotor, comprising the steps of: repeatedly collecting and storing load data of the rotor, determining a load distribution function for the rotor from said stored data, deriving a plurality of periodic functions from said load distribution function, determining actions for the wind turbine control means for reducing the fatigue load of the wind turbine components from said derived plurality of periodic functions, and implementing of said determined actions on the wind turbine control means. The invention also relates to a control system as well as a wind turbine and wind park.

A system and method are provided for improved handling of data in a cache memory system (105) for caching data transferred between a processor (110) capable of executing a program and a main-memory (115). The cache memory system (105) has at least one cache (135) with several cache-lines (160) capable of caching data therein. In the method, a cache address space is provided for each cache (135) and special instructions are generated and inserted into the program to directly control caching of data in at least one ofthe cache-lines (160). Special instructions received in the cache memory system (105) are then executed to cache the data. The special instructions can be generated by a compiler during compiling of the program. Where the cache memory system (105) includes a set-associative-cache having a number of sets each with several cache-lines (160), the method can further include the step of determining which cache-line in a set to flush to main-memory (115) before caching new data to the set.

The present invention relates to a novel method and a novel device, incorporating dynamic speckle lighting with a conventional wide field fluorescence microscope organically to implement approximately confocal fluorescence microscopy (i.e., quasi-confocal fluorescence microscopy). The present invention employs an argon ion laser as the light source; the exciting light passes through a scattering object, a relay light path system for expanding and shaping, and then is coupled to the fluorescence microscope and focused to the sample. The stepping and revolution of the scattering object is controlled with a computer to produce a dynamic speckle pattern on the sample. The received fluorescent images are processed to obtain high-resolution spatial chromatographic images under no need to scan condition. The method can be used to obtain high-resolution three-dimensional chromatographic and microscopic image information of biological tissue samples in a non-intrusive manner. The device has simple structure, high cost-performance ratio, and is favorable for post data processing, easy to operate and apply; therefore, the device and method have a wide market application prospect and great significance for clinical diagnosis and life science research.

The invention relates to a block adjusting method of a satellite image of a three-line array. The method comprises the following steps: (1) reading the satellite image and storing coordinate information of all types of points as corresponding point documents; (2) reading the documents to obtain an RPC (Remote Position Control) model as well as ground coordinates and image coordinates of a control point and a check point and image point coordinates of a connecting point; (3) determining the initial value of a ground point coordinate and image space conversion model; (4) constructing an error equation point by point and normalizing; (5) solving a corrected parameter and coordinates of a ground point for a normal equation by means of spectral correction by iterative estimation; (6) calculating the object space precision achieved after adjusting iteration at the time; (7) calculating the image space precision after adjusting iteration at the time, and determining the weight P of a coordinate observation value of an iterative image point at the next time by means of an information diffusion model through image space residue; (8) when translation parameters in orientation parameters are less than a threshold value, finishing adjusting iteration; if the predetermined condition is not satisfied, continuing iterating till iteration is finished; and (9) when the whole balancing iteration is finished, outputting a precision report on the most adjusting object space and image space precisions.

The present description refers to a computer-implemented method, a computer program product and a computer system for monitoring and tracking application usage, the method comprising: determining, during a first interval, a first indication of whether a first user has provided a first input. The method further comprising obtaining, during the first interval, a first identifier of an active window in a first graphical user interface (GUI), and selectively storing the first identifier and the first indication. For this purpose a specific tracking tool may be implemented on the computer on which the first graphical user interface is executed.

A prognostics analysis software module is embedded in a programmable logic controller (PLC) software platform. During cycling of the PLC real-time operating program, data is read from sensors and written to a buffer only when the prognostics analysis software module is idle. The prognostics analysis software module is then activated by a system function block of the PLC software platform. Before determining any prognostic information, prediction models within the prognostics analysis software module are automatically trained using features extracted from the sensor data.

The invention provides a shale compressibility comprehensive evaluation method based on uniaxial strength experiment. The method comprises the steps of (1) taking a shale core sample for executing uniaxial compressive strength test, testing an elasticity parameter, and drawing a stress-strain curve diagram; (2) calculating normalized elasticity modulus and normalized poisson ratio to obtain a brittleness index; (3) obtaining key points on the stress-strain curve, and calculating the shape index of the stress-strain curve; (4) obtaining fracture distribution diagram of the side face of the fixed sample, and calculating a fracture distribution index through box-counting dimension method; (5) measuring spallation fragment mass distribution at different scales through a screen and a balance so as to obtain a block distribution index; and (6) calculating arithmetic mean value of the obtained brittleness index, shape index of the stress-strain curve, fracture distribution index and block distribution index of fragments to get the comprehensive compressibility index. The method provided by the invention is used for evaluating fracture net forming capability of the shale after being compressed, the experiment is simple and easy to carry out, and post treatment is visual and simple, so that the method is suitable for indoor evaluation and oilfield in-site application.

A method for processing and verifying remote dynamic data is provided. The method includes providing a radix tree structure having N levels, obtaining and recording N initial values for representing the empty radix tree structure, wherein all nodes at the same level are assigned an identical initial value. When performing a data processing operation to the radix tree structure, determining a first leaf node and calculating and recording the value of each node in a shortest path from the first leaf node to the root node. When performing a verification of a specific data, obtaining a second leaf node corresponding to the specific data, a sibling node of each node in a shortest path from the second leaf node to the root node, and generating a verification result according to a digital signature for verifying the root node, the value of each obtained sibling node, and the specific data.