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391results about How to "Automate analysis" patented technology

Automatic recognition method pf mathematical formula in image

The invention relates to an automatic recognition method of a mathematical formula in an image, which comprises the steps that: a syntactic structure model of the mathematical formula is built, and a bottom knowledge base of the mathematical formula is built; the location of the mathematical formula in the image, the recognition of a mathematical symbol, the analysis and comprehension of a mathematical formula structure and the expression and formatted output of the mathematical formula structure are carried out. The automatic recognition method designs a complete set of method and model for solving the recognition and comprehension difficulties of an off-line mathematical formula image and forms a method for automatically processing the mathematical formula image in the whole process. The method can realize the automatic judgment and extraction of an individual-line / embedded mathematical formula in an image, thereby meeting the application requirements of the automatic inputting of the mathematical formula image and the comprehension and format recurrence of the mathematical formula structure. The method can be combined with the existing normal text OCR system to form a document image processing system with more complete functions and also can support the research on expression processing methods in other fields, such as automatic processing aiming at chemical equations, etc.
Owner:NANKAI UNIV

Digital full-space intelligent monitoring system and method

The invention provides a digital full-space intelligent monitoring system and a method. The system comprises an on-site monitoring device, a device management module, a full-space monitoring information fusion module, a full space intelligent monitoring module, a database management module and a monitoring service interface. The method comprises the following steps: extracting on-site monitoring data; fusing the on-site monitoring data according to a three-dimensional scene model and the mapping relationship of the on-site monitoring data in the three-dimensional scene model so as to form full-space monitoring data, and establishing a full-space dynamic monitoring view according to the full-space monitoring data; analyzing the full-space monitoring data according to preset alarm rules anda features library of monitored targets; and providing the full-space dynamic monitoring view for user terminal devices. In the invention, the full-space monitoring information is fused to the three-dimensional model, full-space motion information of the monitored targets can be obtained, global motion trajectory and space location information of the monitored targets are convenient to be grasped,and the invention is helpful for enhancing the validity and the accuracy of decision for processing emergency cases.
Owner:北京天睿空间科技股份有限公司

Identification detection method for high speed railway overhead line supporting device parts

The invention discloses an identification detection method for high speed railway overhead line supporting device parts. The method comprises the following steps that: a training sample library of a high speed railway overhead line supporting device image is established, wherein the training sample library comprises the coordinate information of each part which is manually circumscribed in the image as a detection target, and a category; a deep convolutional neural network based on a Faster-RCNN (Region Convolutional Neural Network) algorithm is established; a training sample in the above training sample library is input into the established Faster-RCNN network to finish model training; and an image to be detected is input the trained model to obtain an identification detection result of the high speed railway overhead line supporting device parts. By use of the method, through the deep convolutional neural network of a candidate area, a target to be detected is subjected to feature learning and target classification, a huge workload for manually identifying the fault of the high speed railway overhead line supporting device parts is greatly reduced, the automatic analysis of a field image is realized, identification classification can be carried out for various overhead line suspension gear parts, and the method is high in identification accuracy.
Owner:SOUTHWEST JIAOTONG UNIV

Fault diagnosis system and method for train based on fault tree

The invention discloses a fault diagnosis system and a method for a train based on a fault tree. The system comprises a remote detection and diagnosis subsystem and a data processing subsystem; the remote detection and diagnosis subsystem is used for collecting the fault data and event record environment data of train equipment as well as sending the data to the data processing subsystem;the remote detection and diagnosis subsystem comprises a storage module, a fault intelligent analysis module and an expert diagnosis knowledge base module; the storage module is used for storing the fault data and event record environment data; the fault intelligent analysis module is used for reconstructing the fault data and event record environment data and configuring a fault structure;the diagnosis is carried out by the expert diagnosis knowledge base module; the diagnosis result is received and output; the expert diagnosis knowledge base module is used for diagnosis according to the input fault structure and fault tree to generate the diagnosis result. The system and method provided in the invention can diagnose the train fault completely, analyze the fault automatically;and the system and method have the advantages of high diagnosis reliability, simplification and high efficiency.
Owner:ZHUZHOU CSR TIMES ELECTRIC CO LTD

Method for identifying and detecting G-series high-speed train overhead contact line equipment supporting device cantilever connector fastener

InactiveCN107633267AImplement location extractionAutomate analysisCharacter and pattern recognitionEngineeringContact line
The invention discloses a method for identifying and detecting a G-series high-speed train overhead contact line equipment supporting device cantilever connector fastener. The method comprises the steps of firstly acquiring images of a G-series high-speed train overhead contact lien equipment supporting and suspending device; screening the acquired images, constructing a sample database of an overhead contact line equipment cantilever connector; then finishing positioning and extraction of various cantilever connector of the G-series high-speed train overhead contact line equipment by means ofa Faster R-CNN algorithm based on a convolutional neural network structure; further marking various kinds of fasteners on the extracted cantilever connector images, and constructing the sample databases of various kinds of fasteners; and finishing positioning and extraction of various kinds of fasteners of the G-series high-speed train overhead contact line equipment by means of the Faster R-CNNalgorithm based on the convolutional neural network structure. The method provided by the invention has advantages of reducing high workload in artificial identification, realizing automatic analysisfor the field image, performing identification and classification on the fasteners of various kinds of overhead contact line equipment supporting device cantilever connectors, and realizing relativelyhigh identification accuracy.
Owner:SOUTHWEST JIAOTONG UNIV

Computer architecture scheme parallel simulation optimization method based on cluster system

The invention discloses a parallel method for simulating and optimizing the computer architecture scheme based on a cluster system, and aims to provide a parallel method for simulating and optimizing the design scheme of the computer architecture. The technical scheme is that a parallel computer system which consists of a main control node and simulation nodes and is provided with a remote command execution environment is firstly built, and a global configuration program, a simulated configuration file generating program, a task dispatching program and a result analyzing program are arranged on the main control node, wherein, the global configuration program is used for arranging global configuration; the simulated configuration file generating program is used for generating all simulated configuration files; the task dispatching program distributes simulation evaluation tasks to each node, controls each simulation node and performs simulation evaluation; and the result analyzing program searches simulation result files sent from the simulation nodes for statistics, screens out optimal configuration parameter values, and outputs a report. By adopting the invention, the time for evaluation and optimization can be reduced, and the selection accuracy is improved.
Owner:NAT UNIV OF DEFENSE TECH

Automatic analysis method of dynamic electrocardiogram

The invention provides an automatic analysis method of a dynamic electrocardiogram. The automatic analysis method comprises the steps of reading dynamic electrocardiogram data outputted from a dynamicelectrocardio recorder; pretreating the dynamic electrocardiogram data; performing noise detection on the pretreated electrocardio data so as to obtain a noise section fragment; performing heart beatdetection treatment on the dynamic electrocardiogram data, recognizing a plurality of heart beat data in the electrocardiogram data, removing the noise section fragment, and generating an analysis heart beat sequence according to the time sequence; calculating heart beat characteristics, generating a dynamic template, performing heart beat classification, and performing amendment so as to obtainfinal classification; performing analysis and calculation on electrocardiogram events so as to generate electrocardiogram event data; and performing statistics analysis summary on the electrocardiogram event data, and outputting an electrocardiogram report. According to the automatic analysis method disclosed by the invention, the electrocardio data recorded by the dynamic electrocardio recorder can be automatically analyzed, and the final electrocardio report is obtained, so that the problems that doctors spend long time in reading and analyzing the electrocardiogram, erroneous judgment is easy to generate, and analysis is inaccurate and not comprehensive can be solved.
Owner:乐普智芯(天津)医疗器械有限公司

Orthogonal light path-based equipment for online monitoring concentration of organic carbon/elemental carbon in PM (Particulate Matter) 2.5

The invention discloses orthogonal light path-based equipment for online monitoring the concentration of organic carbon/elemental carbon in PM (Particulate Matter) 2.5. The orthogonal light path-based equipment comprises an on-line sampling unit, a sample processing and detecting unit and an orthogonal light path system, and is characterized in that the sampling unit comprises a vacuum pump, a mass flow controller, a quartz filtering membrane, a ball valve, a volatilizable organic matter denuder, and a PM2.5 cutting head; the sample processing and detecting unit comprises a digestion furnace, an oxidation furnace, a gas path control network, a carrier gas source and a non-deviation infrared detector; the orthogonal light path system comprises a laser, a light beam splitter, a reference light path photoelectric detection unit, a quartz filtering membrane transmission light path photoelectric detection unit and a reflection light path photoelectric detection unit; and three gases of high-purity He, 5 percent O2/He and 5 percent CH4/He are required to be controlled by a gas path valve network by a singlechip. The orthogonal light path-based equipment is capable of simultaneously detecting light intensity values of incident laser, sampled reflected light and transmitted light of the quartz filtering membrane, and relatively accurately achieving the segmentation of the organic carbon and the elemental carbon.
Owner:CECEP TIANRONG TECH CO LTD

Caterpillar track type road surface autonomous detection robot system and detection method

The invention discloses a caterpillar track type road surface autonomous detection robot system which comprises a caterpillar track type robot and a remote monitoring auxiliary system. The caterpillar track type robot and the remote monitoring auxiliary system transmit information in a wireless communication manner. The caterpillar track type robot is provided with a control system, a nondestructive detection system and an operation mechanism; the operation mechanism is installed on the caterpillar track type robot; the nondestructive detection system is connected with the operation mechanism; the control system is electrically connected with the operation mechanism and the nondestructive detection system; and the nondestructive detection system comprises a resistivity meter, the operation mechanism comprises a telescopic mechanism, and the resistivity meter is connected with the telescopic mechanism. The invention further discloses a road surface detection method. By the adoption of the robot system, intelligent detection can be achieved; due to the fact that manual driving is not needed, the detection safety and the accuracy of detected data are improved; various nondestructive detection sensors are integrated, the road surface and the inner condition of the road surface can be comprehensively evaluated at a time, the detection efficiency is greatly improved, and the influences on the road passage are reduced as well.
Owner:安徽圭目机器人有限公司
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