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576results about How to "Optimize data processing" patented technology

Physics processing unit instruction set architecture

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.
Owner:NVIDIA CORP

Project management method and system

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.
Owner:北京诚公管理咨询有限公司

Acoustic logging-while-drilling device and acoustic logging-while-drilling method

InactiveCN103147747AThe control circuit is easy to implementWide applicabilitySurveyControl systemTransducer
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.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Data Partitioning Systems

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.
Owner:1 SPATIAL GRP

Handy scanner apparatus and control method thereof

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.
Owner:LEE MYOUNG SOOL

Left and right foot dynamic recognition method based on plantar pressure distribution information

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.
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI +1

External calibration method for phase variable power detecting array antenna

ActiveCN101483274ACalibration process is simpleLow hardware environment requirementsAntennasCalibration algorithmPhysics
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.
Owner:中国航天科技集团公司第五研究院第五〇四研究所

Intelligent monitoring system of dangerous goods container transported by ship

InactiveCN102223413ATroubleshoot temporary outagesRealize monitoring signal transmissionTransmission systemsCo-operative working arrangementsIntelligent lightingGeneral Packet Radio Service
The invention discloses an intelligent monitoring system of a dangerous goods container transported by a ship, comprising an on-board automatic monitoring system, a remote transmission system and a monitoring center, wherein, the on-board automatic monitoring system realizes the real time perception of the on-board container condition by utilizing a monitoring terminal, a relay terminal and a convergence terminal for converging data arranged on the door of the container, transmits the collected condition information of the container to the remote monitoring center through a remote transmission system, and realizes the processing and alarming functions and the like of the collected condition information of the container at the front end. Through the networking of the monitoring terminal of the container based on a ZigBee technique, the system provided by the system solves the problem that the communication is temporarily interrupted caused by that the signals are shielded when a radio frequency identification device (RFID) or a general packet radio service (GPRS) / a global system for mobile communication (GSM), or a satellite is directly adopted as a communication module in the existing container monitoring system; and the system provided by the invention has the characteristics of high reliability and low communication cost and being easy to monitor, and provides an effective solution scheme for intelligently monitoring the dangerous goods container.
Owner:BEIJING INST OF AEROSPACE CONTROL DEVICES +1

System and method for a software controlled cache

InactiveUS6668307B1Predictable access timeReduced cache-missesConcurrent instruction executionMemory systemsCompilerAddress space
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.
Owner:ORACLE INT CORP

Real-time simulation system for under-driven double-feet walking robot

The invention relates to the field of simulation technology and provides and realizes a real-time simulation system of an under-actuated biped walking robot. The real-time simulation system consists of a plurality of basic platforms and mainly comprises a real-time control platform, a joint simulation platform and a mechanical-electrical integration system simulation platform. The real-time simulation system is characterized in that the real-time control platform is directly connected with a solid robot drive system to control the movement of the robot in real time, the real-time control platform is connected with the joint simulation platform and is capable of carrying out data transmission, the joint simulation platform is connected with the mechanical-electrical integration system simulation platform to complete real-time joint simulation analysis, and each platform consists of different functional modules which are connected by data link. Real-time control algorithm design, virtual prototype design of an under-actuated walking robot, controller design, real-time joint simulation and experimental result analysis can be performed based on the real-time simulation system, and the real-time simulation system completes various operation tasks by the man-machine interface.
Owner:JILIN UNIV

Method and apparatus realizing quasi confocal fluorescent microscopic with dynamic speckle illumination

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.
Owner:SHENZHEN UNIV

Block adjusting method of satellite image of three-line array

ActiveCN103759714AWell formedStrong three-dimensional restraint abilityPicture interpretationComputer visionCheck point
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.
Owner:SATELLITE SURVEYING & MAPPING APPL CENTSASMAC NAT ADMINISTATION OF SURVEYING MAPPING & GEOINFORMATION OF CHINANASG

Monitoring and Tracking Application Usage

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.
Owner:ACCENTURE GLOBAL SERVICES LTD

Embedded Prognostics on PLC Platforms for Equipment Condition Monitoring, Diagnosis and Time-to-Failure/Service Prediction

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.
Owner:SIEMENS CORP

Shale compressibility comprehensive evaluation method based on uniaxial strength experiment

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.
Owner:SOUTHWEST PETROLEUM UNIV
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