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38results about How to "Easy to observe intuitively" patented technology
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Cable fault positioning simulation method using time domain reflectometry
InactiveCN103954886AEasy to observe intuitivelyEasy to analyzeFault location by pulse reflection methodsSoftware simulation/interpretation/emulationTime domainCoaxial cable
The invention discloses a cable fault positioning simulation method using time domain reflectometry. The method includes the following steps that S100, a cable distributed parameter circuit model is established through Pspice simulation software according to the operating parameter of a cable to be detected; S200, an equivalent circuit model of a pulse generator and an equivalent circuit model of an oscilloscope are established through the Pspice simulation software, wherein different pulse widths can be set in the pulse generator; S300, the model of coaxial cable transmission lines connected among the cable to be detected, the pulse generator and the oscilloscope and the model of coaxial cable transmission line connecting points are established; S400, the simulation system is made to operate according to an established artificial circuit model, the traveling wave propagation process of any node is tested, and meanwhile the actual reflected impulse waveform of the cable to be detected can be tested. By the adoption of the cable fault positioning simulation method, the operation accuracy of simulation experiments is improved, and extremely high application value is achieved to application and study of a time domain pulse method.
Owner:SOUTH CHINA UNIV OF TECH
Method for acquiring vocal organ profile in medical image
ActiveCN102831606ANo human interaction requiredGet Tongue ProfileImage analysisVocal organAutomatic segmentation
The invention provides a method for acquiring a vocal organ profile in a medical image. The method comprises the following steps of: for the medical image, performing binaryzation on the lip and a background area in the medical image by using an automatic segmentation threshold of the lip and the background so as to acquire a lip profile; extracting an upper tooth profile, a lower tooth profile, an upper jaw profile and a lower jaw profile in a face range included in the lip profile; for an image area between the upper jaw profile and the lower jaw profile, acquiring a reliable edge point of a tongue profile; and fitting a tongue edge profile by the reliable edge point of the tongue profile. By the method, the vocal head part and the organ area can be automatically segmented from the image background, and the whole process is automatically completed without manual interaction.
Owner:中科极限元(杭州)智能科技股份有限公司
Method for establishing intracranial vessel simulation three-dimensional stenosis model based on transfer learning
InactiveCN112598619APrecise Segmentation EffectPrecise positioningImage enhancementReconstruction from projectionVascular bodyBlack blood
The invention discloses a method for establishing an intracranial vessel simulation three-dimensional stenosis model based on transfer learning. The method comprises the following steps: acquiring a bright blood image group and an enhanced black blood image group of an intracranial vessel; preprocessing each bright blood image and the corresponding enhanced black blood image to obtain a first bright blood image and a first black blood image; performing image registration by using mutual information based on Gaussian distribution sampling and a registration method of an image pyramid; groupingthe registered bright blood images to obtain MIP images in all directions; obtaining a two-dimensional blood vessel segmentation image based on the MIP image and the fundus blood vessel image; performing back projection synthesis on the two-dimensional blood vessel segmentation image to obtain first three-dimensional blood vessel body data, and obtaining an intracranial blood vessel simulation three-dimensional model by utilizing the second three-dimensional blood vessel body data; and for each section of blood vessel in the model, obtaining a numerical value of a target parameter representingthe stenosis degree of the section of blood vessel, and marking the intracranial blood vessel simulation three-dimensional model by utilizing the numerical value of the target parameter to obtain a simulated three-dimensional intracranial blood vessel stenosis analysis model.
Owner:XIAN CREATION KEJI CO LTD
Method for quickly establishing intracranial vessel simulation three-dimensional model based on transfer learning
PendingCN112562058ARealize 3D visualizationImprove registration efficiencyImage enhancementImage analysisVascular bodyBlack blood
The invention discloses a method for quickly establishing an intracranial blood vessel simulation three-dimensional model based on transfer learning. The method comprises the following steps: collecting a bright blood image group and an enhanced black blood image group of an intracranial blood vessel part; preprocessing each bright blood image and the corresponding enhanced black blood image to obtain a first bright blood image and a first black blood image; performing image registration on the first bright blood image by using mutual information based on Gaussian distribution sampling and a registration method of an image pyramid; utilizing a maximum intensity projection method to obtain MIP images in all directions from the registered bright blood image groups; taking the MIP image as atarget domain, taking the fundus blood vessel image as a source domain, and obtaining a two-dimensional blood vessel segmentation image by using a transfer learning method; performing back projectionsynthesis on the two-dimensional blood vessel segmentation images in the three directions to obtain first three-dimensional blood vessel body data; and obtaining an intracranial blood vessel simulation three-dimensional model by utilizing the second three-dimensional blood vessel body data corresponding to the registered bright blood image group. According to the method, the whole state of the intracranial blood vessel can be simply, conveniently, quickly and visually obtained clinically.
Owner:XIDIAN UNIV
Automatic verification system for performance of insulation monitoring module
PendingCN112698259AImprove efficiencySimple and fast operationElectrical measurementsCapacitanceAutomatic control
The invention discloses an automatic verification system for the performance of an insulation monitoring module. The automatic verification system comprises a power supply module, a resistance-capacitance module, a CAN communication module and an MCU control module, wherein the resistance-capacitance module comprises a plurality of resistors, a plurality of capacitors and a plurality of electric control switches, and is electrically connected with the insulation monitoring module, a total positive electrode and a total negative electrode of the high-voltage power supply and a frame ground wire to form a test loop; the MCU control module communicates with an upper computer through the CAN communication module; and meanwhile, on-off of each electric control switch connected with the resistance-capacitance module is controlled, and the performance of the insulation monitoring module is verified by switching on different combinations of resistors and capacitors. The system provided by the invention can automatically control the set voltage, resistance and Y capacitor to access the test loop, and can feed back to the system in a CAN communication mode after the insulation module is tested. The verification system not only solves the problems of low manual test efficiency and complicated process, but also can test the performance of the insulation module under the conditions of different voltage platforms, insulation conditions and whole vehicle Y capacitance.
Owner:BAFANG ELECTRIC (SUZHOU) CO LTD
Cigarette packaging box adhesion testing device
PendingCN112611711AEasy to observe intuitivelyImprove adhesionUsing mechanical meansMaterial analysisPhysicsElectric machinery
The invention belongs to the technical field of detection equipment, and particularly relates to a cigarette packaging box adhesion testing device which comprises a bottom plate, a workbench, a power assembly and a clamp mechanism, the workbench is fixedly installed on the bottom plate, the power assembly and the clamp mechanism are both installed on the workbench, and the power assembly is connected with the clamp mechanism. The power assembly comprises a telescopic motor, a transmission rod and a supporting block, the telescopic motor is fixedly installed on the workbench, an output shaft of the telescopic motor is connected with one end of the transmission rod, the supporting block is installed on the workbench, and the tail end of the transmission rod penetrates through the supporting block and the clamp mechanism to be connected with the tail end of the transmission rod. The clamp mechanism comprises a clamping plate assembly, a tension assembly, a connecting plate and a mounting plate, the clamping plate assembly comprises two first clamping plates and two second clamping plates, and the problems that the mode of tearing manually and judging whether bonding is firm or not is not objective enough and cannot be quantified, and the judgment result is not accurate enough due to the fact that the tearing strength and modes of different people are different are solved.
Owner:CHONGQING CHINA TOBACCO IND CO LTD
Portable bridge crack width measuring instrument
ActiveCN109945766AImprove stabilityEasy to observe intuitivelyMechanical clearance measurementsVisual comparisonMeasuring instrument
The invention relates to the field of building detection tools, in particular to a portable bridge crack width measuring instrument. The portable bridge crack width measuring instrument comprises a cylinder body, wherein one end of the cylinder body is a measuring end; a measuring assembly is arranged inside the measuring end of the cylinder body, and the other end of the cylinder body is an observation end; an observation assembly is arranged inside the observation end of the cylinder body, and each of the measurement assembly and the observation assembly comprises a measuring rod which can extend from the side wall of the cylinder body; and the observation end of the cylinder body is also provided with a control assembly capable of enabling the measuring assembly and a measuring rod of the observation assembly to synchronously extend out. The portable bridge crack width measuring instrument is convenient to operate, simple in structure and easy to carry, and can perform visual comparison measurement on the width of the inside of a crack on a bridge, accuracy is guaranteed, and thus, the portable bridge crack width measuring instrument is beneficial to popularization and application.
Owner:田泽宇
Intracranial vascular focus identification method based on transfer learning
InactiveCN112669398AImprove registration efficiencyImprove registration accuracyImage enhancementImage analysisComputer visionNuclear medicine
The invention discloses an intracranial blood vessel focus identification method based on transfer learning. The method comprises the following steps: acquiring a bright blood image group, a black blood image group and an enhanced black blood image group of an intracranial blood vessel part; carrying out registration on each bright blood image by using a registration method based on mutual information and an image pyramid by taking the corresponding enhanced black blood image as a reference to obtain a registered bright blood image group; using the registered bright blood image group to perform flow empty artifact elimination operation on the enhanced black blood images in the enhanced black blood image group to obtain an artifact-eliminated enhanced black blood image group; subtracting the corresponding images in the artifact elimination enhanced black blood image group from the corresponding images in the black blood image group to obtain K contrast enhanced images; establishing a blood three-dimensional model by using the registered bright blood image group and adopting a transfer learning method; and establishing a blood vessel three-dimensional model of blood boundary expansion by using the registered bright blood image group; the focus area of the intracranial blood vessel can be simply, conveniently, quickly and visually recognized clinically.
Owner:XIAN CREATION KEJI CO LTD
A Portable Bridge Crack Width Measuring Instrument
ActiveCN109945766BImprove stabilityEasy to observe intuitivelyMechanical clearance measurementsMeasuring instrumentClassical mechanics
The invention relates to the field of building detection tools, in particular to a portable bridge crack width measuring instrument. The portable bridge crack width measuring instrument comprises a cylinder body, wherein one end of the cylinder body is a measuring end; a measuring assembly is arranged inside the measuring end of the cylinder body, and the other end of the cylinder body is an observation end; an observation assembly is arranged inside the observation end of the cylinder body, and each of the measurement assembly and the observation assembly comprises a measuring rod which can extend from the side wall of the cylinder body; and the observation end of the cylinder body is also provided with a control assembly capable of enabling the measuring assembly and a measuring rod of the observation assembly to synchronously extend out. The portable bridge crack width measuring instrument is convenient to operate, simple in structure and easy to carry, and can perform visual comparison measurement on the width of the inside of a crack on a bridge, accuracy is guaranteed, and thus, the portable bridge crack width measuring instrument is beneficial to popularization and application.
Owner:田泽宇
Ditching device for fruit tree planting
ActiveCN111656914ADirect controlEasy to observe intuitivelyPlantingFurrow making/coveringFruit treeAgricultural science
The invention discloses a ditching device for fruit tree planting, and relates to the technical field of agriculture and forestry engineering equipment. The ditching device is mainly a ditching vehicle and comprises a working device and a steering control device, wherein the working device is in rotating fit with the steering control device. The ditching device for fruit tree planting is arrangedto be of a ditching vehicle structure, so that mechanical operation can be conveniently carried out in a relatively large-area planting process, manpower is saved, and the working efficiency is improved; the steering control device is arranged at the relative rear part of the working device for steering control, so that an operator can visually observe a working progress and a working state; meanwhile, the operator can determine the plant spacing needed by planting according to visual inspection, so that relatively large errors in work are avoided; harrow nails are arranged, so that soil in atarget area can be loosened before ditching of the ditching vehicle, and ditching is facilitated; and a fixing sleeve and a pneumatic sliding sleeve are arranged and are telescopically matched under the action of a pneumatic cylinder, so that a ditching drill bit can conveniently control the ditching depth in a ditching process.
Owner:郑宇宇 +3
Motor power testing apparatus
PendingCN108761333ASimple stepsEasy to observe intuitivelyDynamo-electric machine testingElectric machineryCoil spring
The invention aims at disclosing a motor power testing apparatus so that a problem that the existing apparatus can not obtain the motor power visually, quickly and conveniently can be solved. The motor power testing apparatus is composed of a guide tube, a connecting rod, clamping plates, a spiral spring, mounting rods, a sleeving ring, and a screw rod. Solenoids sleeve the surface of the connecting rod symmetrically; anti-skid layers are installed on the inner side surfaces of the clamping plates fixedly; a sliding bar is arranged inside the spiral spring in a sleeving manner; a push plate isfixedly installed at the lower end of the sliding bar; and warning lights are installed on the surfaces of the mounting rods uniformly. A positioning ring is fixedly installed in the middle of the lower side wall of the sleeving ring. A locking plate is installed at the upper end of the screw rod; and a push block is fixedly installed at the lower end of the screw rod. According to the invention,the frequency of the motor rotation is obtained quickly by observing the frequency of the expose number changing of the warning lights, so that the motor power is observed visually and conveniently;and with the spiral spring, the sliding bar returns to the original position quickly and conveniently, so that the detection accuracy is improved. The motor power testing apparatus is worth popularizing.
Owner:桐乡市龙翔众心纺织有限公司
Method for establishing angiography enhanced three-dimensional stenosis analysis model
InactiveCN112634386ARealize 3D visualizationQuick eliminationImage enhancementReconstruction from projectionBlack bloodVascular Stenosis
The invention discloses a method for establishing an angiography enhanced three-dimensional stenosis analysis model. The method comprises the following steps: acquiring a bright blood image group, a black blood image group and an enhanced black blood image group of a blood vessel part; performing image registration on each bright blood image by using a registration method based on mutual information and an image pyramid to obtain a registered bright blood image group; carrying out flow empty artifact elimination operation on the enhanced black blood image by utilizing the registered bright blood image group to obtain an artifact-eliminated enhanced black blood image group; establishing a blood three-dimensional model and a blood vessel three-dimensional model by using the registered bright blood image group; obtaining a contrast enhanced three-dimensional model based on the artifact elimination enhanced black blood image group and the black blood image group; obtaining an angiography enhanced three-dimensional model; obtaining values of target parameters representing the vascular stenosis degree of each section of blood vessel in the angiography enhanced three-dimensional model, and marking the angiography enhanced three-dimensional model by utilizing the values of the target parameters of each section of blood vessel to obtain the angiography enhanced three-dimensional stenosis analysis model.
Owner:XIAN CREATION KEJI CO LTD
Method for establishing intracranial angiography enhanced three-dimensional stenosis analysis model
InactiveCN112509078AImprove registration efficiencyImprove registration accuracyImage enhancementReconstruction from projectionBlack bloodVascular Stenosis
The invention discloses a method for establishing an intracranial angiography enhanced three-dimensional stenosis analysis model. The method comprises the following steps: acquiring a bright blood image group, a black blood image group and an enhanced black blood image group of an intracranial blood vessel part; obtaining a registered bright blood image group by using mutual information based on Gaussian distribution sampling and a registration method of an image pyramid; obtaining an artifact elimination enhanced black blood image group by using the registered bright blood image group; establishing a blood three-dimensional model and a blood vessel three-dimensional model by using the registered bright blood image group; obtaining a contrast enhanced three-dimensional model based on the artifact elimination enhanced black blood image group and the black blood image group; obtaining an angiography enhanced three-dimensional model based on the blood three-dimensional model, the blood vessel three-dimensional model and the angiography enhanced three-dimensional model; and obtaining values of target parameters representing the vascular stenosis degree of each section of blood vessel in the angiography enhanced three-dimensional model, and marking the angiography enhanced three-dimensional model to obtain the intracranial angiography enhanced three-dimensional stenosis analysis model.
Owner:XIAN CREATION KEJI CO LTD
Method for establishing intracranial vascular enhancement three-dimensional model based on transfer learning
InactiveCN112669399AEasy to eliminateQuick eliminationImage enhancementReconstruction from projectionBlack bloodLesion analysis
The invention discloses a method for establishing an enhanced three-dimensional model of an intracranial blood vessel based on transfer learning. The method comprises the following steps: acquiring a bright blood image group, a black blood image group and an enhanced black blood image group of an intracranial blood vessel part; carrying out registration on each bright blood image by using a registration method based on mutual information and an image pyramid by taking the corresponding enhanced black blood image as a reference to obtain a registered bright blood image group; using the registered bright blood image group to perform flow empty artifact elimination operation on the enhanced black blood images in the enhanced black blood image group to obtain an artifact-eliminated enhanced black blood image group; subtracting the corresponding images in the artifact elimination enhanced black blood image group from the corresponding images in the black blood image group to obtain K contrast enhanced images; establishing a blood three-dimensional model by using the registered bright blood image group and adopting a transfer learning method; and establishing a blood vessel three-dimensional model of blood boundary expansion by using the registered bright blood image group; The whole state of the intracranial blood vessel is simply, conveniently, quickly and intuitively obtained clinically so as to carry out intracranial vascular lesion analysis.
Owner:XIAN CREATION KEJI CO LTD
Method for establishing intracranial angiography enhanced three-dimensional stenosis analysis model
InactiveCN112509081ARealize 3D visualizationWith 3D visualizationImage enhancementReconstruction from projectionBlack bloodVascular Stenosis
The invention discloses a method for establishing an intracranial angiography enhanced three-dimensional stenosis analysis model. The method comprises the following steps: acquiring a bright blood image group, a black blood image group and an enhanced black blood image group of intracranial vessels; carrying out interpolation processing on each bright blood image by utilizing a nearest neighbor interpolation method, and carrying out image registration to obtain a registered bright blood image group; carrying out flow empty artifact elimination operation on the enhanced black blood image by utilizing the registered bright blood image group to obtain an artifact-eliminated enhanced black blood image group; establishing a blood three-dimensional model and a blood vessel three-dimensional model by using the registered bright blood image group; obtaining a contrast enhanced three-dimensional model based on the artifact elimination enhanced black blood image group and the black blood image group; obtaining an angiography enhanced three-dimensional model; and obtaining values of target parameters representing the vascular stenosis degree of each section of blood vessel in the angiographyenhanced three-dimensional model, and marking the angiography enhanced three-dimensional model by utilizing the values of the target parameters of each section of blood vessel to obtain the intracranial angiography enhanced three-dimensional stenosis analysis model.
Owner:XIAN CREATION KEJI CO LTD
VCM motor base structure, VCM motor, photographic device and electronic product
PendingCN111446837AImprove connection strengthIncrease the cross-sectional areaPropulsion systemsElectrical connectionControl theory
The invention discloses a VCM motor base structure, a VCM motor, a photographic device and an electronic product. The technical scheme is characterized in that the VCM motor base structure comprises abase body, which is provided with a dustproof ring, wherein the dustproof ring is higher than the bottom surface of the base body, a C-angle block is integrally formed at the included angle positionbetween the bottom face of the base body and the side wall of the dustproof ring, the C-angle block is arranged at the included angle position between the bottom surface of the base body and the sidewall of the dustproof ring in a plurality of sections or in a ring shape, the welding line of the base body is located at the position where the C-angle block is located, a metal reinforcing rib is arranged in the base body in an injection molding mode, a connecting terminal is arranged on the lower end face of the base body, and a lower spring in a VCM motor is electrically connected with the connecting terminal. According to the invention, the C angle is added between the dustproof ring and the bottom surface of the base, so that the joint line of the motor base can be prevented from cracking, and the strength of the base is effectively improved.
Owner:NEW SHICOH MOTOR CO LTD
A puffed food processing and fermentation device
Owner:中医科学院(北京)养生保健科技有限公司
Photostimulation responsive intelligent catalytic material and preparation method thereof
InactiveCN106582829APrevent Aggregation and MigrationGood protectionCatalyst protectionOrganic-compounds/hydrides/coordination-complexes catalystsNano catalystIn situ reaction
The invention provides a photostimulation responsive intelligent catalytic material loaded with a nanoparticle catalyst and a preparation method thereof. The catalytic material has a two-layer structure. One layer is a photostimulation responsive layer loaded with a nanoparticle catalyst and the other layer is a non-responsive base layer without the catalyst. The catalyst nanometer particles are coated with a macromolecule material by an in-situ reaction so that the aggregation and migration of the nano-catalyst are effectively prevented. Through the unique double-layer structure design, the photostimulation responsive intelligent catalytic material can spontaneously and responsively control starting and stopping of a catalytic reaction under irradiation of lights with different wavelengths, the shape of the catalytic system can spontaneously and responsively produce remarkable change so that the starting and stopping states of the catalytic process can be directly observed and judged with the naked eyes and industrial production actual operation is promoted.
Owner:JIANGSU UNIV
A method for making a transparent rock-like dumping model sample
ActiveCN108519260BCompact structureTransparent structurePreparing sample for investigationModel sampleMechanical engineering
The invention discloses a method for manufacturing a transparent rock-like toppling model sample, comprising the following steps: customizing a mold according to the size of the transparent rock-like toppling model sample; inserting a thin plate into the inner cavity of the mold and fixing it, the The thin plate divides the inner cavity of the mold into several chambers, and the first casting solution is poured in the chamber; after the first casting solution is solidified, the second casting solution is poured in the gap left after the thin plate is drawn out. solution; after the second casting solution is solidified, remove the mold and polish the corners of the model sample; the first casting solution and the second casting solution respectively simulate the rock mass and joint surface of the rock structure. The invention can be used for real simulation and observation of the whole process of rock mass toppling, deformation and destruction after the rock slope is disturbed by stress.
Owner:HOHAI UNIV
Pressure-stabilizing flat-plate overflow valve for high-rise water supply of smart city
InactiveCN112610734AChange working powerImprove practicalityOperating means/releasing devices for valvesEqualizing valvesSmart cityControl valves
The invention discloses a pressure-stabilizing flat-plate overflow valve for high-rise water supply of a smart city, and particularly relates to the field of smart cities. The pressure-stabilizing flat-plate overflow valve comprises a pressure-stabilizing overflow valve body and a control valve element, the pressure-stabilizing overflow valve body comprises a valve body and a control valve deck, and a liquid inlet end hole, a motion valve cavity and an overflow end hole are formed in the valve body; a motion sensing assembly, a control assembly and a hydraulic return assembly are fixedly installed in the pressure stabilizing overflow valve body, an abutting locking assembly is fixedly installed on the top surface of the control valve element, the top surface of the control valve element is fixedly connected with the end of the hydraulic return assembly, and a motion locking assembly is movably installed on one side of the motion sensing assembly. According to the scheme, a pressure measuring structure is arranged in the overflow valve, that is, the motion sensing assembly and the pressure sensing assembly are used for measuring the pressure of the front end of the valve and the flow hydraulic pressure respectively, the working power of a pump machine is changed through electric signals, pressure adjustment of the whole pipeline structure is completed, no extra pressure relief pipeline is required to be arranged, and the practicability of the valve body is improved.
Owner:嘉兴久珥科技有限公司
Simulation test system monitoring method and monitoring system based on BS architecture
PendingCN114780357AConvenient queryEasy to matchHardware monitoringTransmissionReal-time computingSystems engineering
The invention provides a simulation test system monitoring method and monitoring system based on a BS architecture. The method comprises the following steps: allocating an IP and a port to a simulation test system sub-module; iP and ports distributed by the simulation test system sub-modules are collected to form a configuration database; running state information of the simulation test system sub-module is collected and sent; receiving operation state information of the simulation test system sub-modules, reading the configuration database, and establishing a one-to-one correspondence mapping relation between IPs and ports in the configuration database and the simulation test system sub-modules; according to the mapping relation, packaging the operation state information of the simulation test system sub-modules to generate corresponding response data, and respectively sending the response data of different simulation test system sub-modules; receiving response data of the simulation test system sub-module, and judging the correctness of the response data; and the judgment result is processed, so that the serious influence on a simulation test or equipment can be reduced.
Owner:XIAN LINGKONG ELECTRONICS TECH CO LTD
Method for establishing simulated three-dimensional vascular stenosis analysis model
PendingCN114240841ARealize 3D visualizationPrecise positioningImage enhancementReconstruction from projectionBlack bloodVascular Stenosis
The invention discloses a method for establishing a simulated three-dimensional blood vessel stenosis analysis model. The method comprises the following steps: acquiring a bright blood image group and an enhanced black blood image group of a blood vessel part; performing image registration on each bright blood image by using a registration method based on mutual information and an image pyramid by taking the corresponding enhanced black blood image as a reference to obtain a registered bright blood image group; establishing a blood vessel simulation three-dimensional model by using the registered bright blood image group; aiming at each section of blood vessel in the blood vessel simulation three-dimensional model, segmenting from three preset orientations to obtain a two-dimensional section diagram of each orientation; performing corrosion operation on the blood vessel in the two-dimensional section diagram of each orientation, and recording target corrosion times when the blood vessel is corroded to a single pixel; according to the target corrosion times corresponding to the section of blood vessel in the three directions, obtaining a numerical value of a target parameter representing the stenosis degree of the section of blood vessel; and marking the blood vessel simulation three-dimensional model by using the numerical value of the target parameter of each section of blood vessel to obtain a simulated three-dimensional blood vessel stenosis analysis model.
Owner:XIAN CREATION KEJI CO LTD
A lever loading system and assembly method
ActiveCN104865086BGuaranteed accurate loading ratioEasy loadingStructural/machines measurementVisual observationAbove ground
The invention relates to the field of civil engineering test equipment, in particular to a lever loading system and an assembling method. The ground anchor beam of the lever loading system provided by the present invention is connected with the floor anchorage, the main beam is arranged at a position parallel to the ground anchor beam and higher than the ground anchor beam; Lever, a plurality of levers are parallel to each other, and each lever is perpendicular to the main beam; one end of the lever is flexibly connected to the ground anchor beam through a steel wire, the other end is hung with a hanging basket, and the hanging basket is equipped with weights; the invention also provides The assembly method of the lever loading system is described. The lever loading system and assembling method have the advantages of simple loading, occupying less structural loading space, and adapting to the simulation of large uniform loads, etc., safe, reliable, and high stability, and can realize multi-point arrangement loading for the main beam, and realize fine and graded loading. , more accurately simulate the force pattern of the main beam, and it is convenient to observe the displacement of the main beam and the cracks on the side during the test process.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Method for establishing intracranial blood vessel enhanced three-dimensional model based on transfer learning
PendingCN114170337AEasy to eliminateQuick eliminationImage enhancementReconstruction from projectionBlack bloodLesion analysis
Owner:吴彬
A test loading device for a cable-stayed bridge spanning cables and its assembly method
ActiveCN109839306BGuaranteed lateral stabilityEasy to observeMaterial strength using repeated/pulsating forcesVisual observationClassical mechanics
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Vehicle road test detection system
The invention discloses a vehicle road test detection system. The vehicle road test detection system comprises a data acquisition module, a processor module and a data acquisition and analysis module. The data acquisition module comprises a distance sensor module which is installed at the bottom of a to-be-detected vehicle and used for monitoring the distance between a vehicle chassis and the ground. The processor module comprises a central processor and a data memory module and is used for processing the information acquired by the acquisition module through the central processor and then sending the information to the data acquisition and analysis module. The data acquisition and analysis module comprises a display module which is used for displaying analysis information in time; when the vehicle body vibration state in the vehicle driving state needs to be analyzed and detected, the vehicle is driven into a test road section, different types of road surfaces are arranged, and in the vehicle driving process, a distance sensor installed at the bottom of the vehicle can detect the distance between a vehicle chassis and the road surfaces in real time, so that a vehicle vibration fluctuation graph is obtained; and detection personnel can perform visual observation conveniently.
Owner:合肥市极点科技有限公司
A Method for Obtaining the Contours of Speech Organs in Medical Images
ActiveCN102831606BNo human interaction requiredGood for athletic featuresImage analysisVocal organAutomatic segmentation
Owner:中科极限元(杭州)智能科技股份有限公司
Stereoscopic video display method and device based on image sparse features
ActiveCN106331674BEasy to observe intuitivelyReduce visual fatigueSteroscopic systemsStereoscopic videoHat matrix
The invention discloses a stereoscopic video display method and device based on image sparse features. The stereoscopic video display method based on the image sparse features comprises the following steps of: acquiring 3D image data; converting target information of all pixel points in the 3D image data into a target matrix, and according to an image sparse feature algorithm, calculating out a projection matrix of the target matrix, wherein target data comprises color information, three-dimensional information and illumination information; extracting pixel points corresponding to all non-vanishing vectors in the projection matrix to form a target pixel region; and carrying out compression on all the pixel points in the projection matrix except for the target pixel region, and according to the target pixel region of the 3D image data, reconstructing a 3D image to form a stereoscopic video. According to the technical scheme of the invention, a user can more easily and visually observe variations of a key region in a 3D image, and visual fatigue is reduced.
Owner:深圳市捷视飞通科技股份有限公司 +1
Method for establishing simulated three-dimensional intracranial vascular stenosis analysis model
PendingCN114170152ARealize 3D visualizationPrecise positioningImage enhancementImage analysisBlack bloodVascular Stenosis
The invention discloses a method for establishing a simulated three-dimensional intracranial vascular stenosis analysis model. The method comprises the following steps: acquiring a bright blood image group and an enhanced black blood image group of an intracranial vascular part; taking each bright blood image and the corresponding enhanced black blood image as an image pair, and preprocessing each image pair to obtain a first bright blood image and a first black blood image of the image pair; aiming at each first bright blood image, taking the corresponding first black blood image as a reference, and carrying out image registration by utilizing a registration method of mutual information and an image pyramid based on Gaussian distribution sampling to obtain a registered bright blood image group; establishing an intracranial blood vessel simulation three-dimensional model by using the registered bright blood image group; for each section of blood vessel in the intracranial blood vessel simulation three-dimensional model, obtaining a numerical value of a target parameter representing the stenosis degree of the section of blood vessel; and marking the intracranial blood vessel simulation three-dimensional model by using the numerical value of the target parameter of each section of blood vessel to obtain a simulated three-dimensional intracranial blood vessel stenosis analysis model.
Owner:吴彬
Improved silica stain test structures and methods therefor
InactiveCN1137507CIncrease the amount of dissolutionWell formedSemiconductor/solid-state device testing/measurementSemiconductor/solid-state device detailsSilicon dioxideSilicon
A method for forming silica stain on a substrate to facilitate monitoring of the silica stain during integrated circuit manufacture. The method includes providing a silica stain test structure which has a silicon substrate, a hydrophilic silicon dioxide containing layer disposed above the silicon substrate, and a plurality of cavities formed in the silicon substrate through the silicon dioxide containing layer. The cavities have hydrophobic sidewalls. The method also includes exposing the silica stain test structure to deionized water, and drying the silica stain test structure to form the silica stain on the silicon dioxide containing layer.
Owner:SIEMENS AG +1
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