98 results about "Three dimensional analysis" patented technology

Techniques for monitoring and predicting environmental operating conditions in a data center are provided. In one aspect, a method for real-time, three-dimensional analysis of environmental operating conditions in a data center includes the following steps. High spatial resolution three-dimensional measurements of one or more environmental variables in the data center made at a time t1 are obtained. Real-time measurements of the environmental variables in the data center made at a time t2, wherein t2 is later in time than t1, are obtained. The high spatial resolution three-dimensional measurements are combined with the real-time measurements to derive a model for the environmental variables in the data center at the time t2. The model is used to predict three-dimensional distributions of the environmental variables in the data center at the time t2. A base model can be created and used to derive the model for the data center at the time t2.

The invention discloses a method for constructing a full-space three-dimensional digital earth model. The method includes that an ellipsoid earth space mathematical model is constructed based on a center of gravity control system (CGCS) 2000 China geodetic coordinate system; an earth surface dissection network is generated based on a fictitious graticule; an earth surface digital elevation model is generated in an insertion mode; a geometric structure module of earth space inner and outer ring layers is fitted by interpolations; a three-dimensional body element mesh of the earth space inner and outer ring layers is generated based in geological cells; an attribute element three-dimensional distribution model of the earth space inner and outer ring layers is fitted by the interpolations; a geographical coordinate is converted into a geocentric space three-dimensional rectangular coordinate; an earth space model multi-scale expression mechanism based on level of detail (LOD) is constructed; three-dimensional visualization is performed; earth space positions are checked; and three-dimensional analysis is performed. According to the method, the automaticity and the adaptability are high, and an earth space solid model containing the inner and outer ring layers can be rapidly and automatically reconstructed in three-dimensional space to be displayed on a computer display screen in a three-dimensional visualization mode to support space analysis of various professionals.

The invention discloses a navigation template capable of being used for positioning vertebral pedicle. A manufacture method of the navigation template comprises the following steps of: firstly, acquiring original data and establishing a three-dimensional vertebra model on a computer; secondly, carrying out three-dimensional analysis on a vertebral pedicle needle-entering channel, extracting an outline of the rear part of a vertebral plate, establishing a virtual reverse template coincide to the outline at the rear part of the vertebral plate in a system; thirdly, fitting the virtual reverse template with the vertebral pedicle needle-entering channel, establishing a virtual needle-entering template; and fourthly, manufacturing the needle-entering template by using a quick forming technology, wherein the needle-entering template is a reverse navigation template coincide to the outline of the rear part of the vertebral plate. The invention organically integrates a digital technology, reverse engineering and the quick forming technology, thereby achieving the purpose of rapidly, cheaply and efficiently accurately positioning the vertebral pedicle.

a. Provided is a phantom for evaluating the accuracy of image registration software based on a result of matching tomograms of a predetermined position of the phantom, taken using two or more imaging apparatuses. Accordingly, it is possible to more efficiently evaluate the accuracy of the image registration software by comparing the tomograms with one another using a three-dimensional analysis. In addition, it is possible to facilitate the comparison of the tomograms with one another by installing a plurality of indicating bars in the phantom so that their cross sections can appear on each of the tomograms.

Provided is a phantom for evaluating the accuracy of image registration software based on a result of matching tomograms of a predetermined position of the phantom, taken using two or more imaging apparatuses. Accordingly, it is possible to more efficiently evaluate the accuracy of the image registration software by comparing the tomograms with one another using a three-dimensional analysis. In addition, it is possible to facilitate the comparison of the tomograms with one another by installing a plurality of indicating bars in the phantom so that their cross sections can appear on each of the tomograms.

The invention discloses a method for quantifying a soil macropore spatial network structure based on the CT scanning technology. The method comprises the following steps of sample collection, CT scanning, threshold value selection, data enhancement, image cutting and binarization, three-dimensional visualization and three-dimensional quantization analysis. The method has the advantages that a professional undistributed soil sampling instrument is used for sampling, and disturbance in the undistributed soil collecting process is reduced; a CT scanner and professional three-dimensional analysis software are combined, the most proper threshold value cutting method is adopted, and three-dimensional quantifying analysis of the soil macropore spatial structure is achieved.

An electrical power system three-dimensional digitalization operation platform comprises a data service layer, a function logic layer, a management unit, a basic unit, a public unit, a presentation layer, and an application layer. The data service layer comprises a three-dimensional model data bank, a topography image data bank, a business data bank, and a system management bank, wherein the business data bank and the system management bank store abutting joint relations with each power grid business platform. The function logic layer comprises a power grid business unit which is communicated with the data service layer, and is connected with the basic unit and the management unit, wherein the power grid business unit supplies six power grid business components, namely an auxiliary plan component, an auxiliary design component, an auxiliary operation-maintenance component, a construction progress component, an auxiliary emergency dealing component, and a data adjusting component. The management unit provides a system management component and a system maintenance component. The basic unit provides a basic three-dimensional browsing component and a three-dimensional analysis component which are both relied by a three-dimensional integrated platform. The public unit provides a main frame, a plug-in engine component, and a data access component which are all of the system. The presentation layer supplies a three-dimensional scene picture, a picture layer management view, a business data display view, an auxiliary design view for building a three-dimensional power grid. The application layer sends an analysis command of a leader and a maintain demand of data bank administrators to the data server layer, the function logic layer, and the application layer.

There is provided a patient registration system according to the present invention, including: a CT data capturing device; an X-ray television imaging device; and an image processing device for generating a two-dimensional DRR image based on the captured CT data, and then calculating an amount of displacement between a first diseased site position when the CT data is captured and a second diseased site position when the X-ray television image is captured. The image processing device carries out processes of: three-dimensional analysis for extracting an amount of three-dimensional characteristic from the three-dimensional CT data; two-dimensional analysis for extracting an amount of two-dimensional characteristic from both of the DRR image and the X-ray television image; characteristic evaluation for evaluating the extracted characteristic amounts; area limitation for selecting an area where the evaluated characteristic amounts are present; and displacement estimation for estimating an amount of displacement between the first diseased site position and the second diseased site position within the selected area, whereby achieving quick and accurate registration of patient.

This invention relates to a method for performing an analysis of defective material and the refractive index, and a three-dimensional analysis of very small pattern shapes including the steps of imaging by a scanning electron microscope to acquire an image of the position of a defect under observation using information of inspection results obtained by an optical inspection device, creating a model of the defect by using the acquired image of the defect under observation, calculating the values detected by the detector when reflected and scattered light emitted from a defect model is received by the detector when light is irradiated onto the defect model thus created, comparing the detection values thus calculated and the values detected by the detector, which has received light actually reflected and scattered from the sample, to obtain information relating to the height of the defect under observation, the material, or the refractive index.

The invention relates to a three-dimensional observation device for scouring terrain, belonging to the field of terrain measurement and comprising a full-plane laser projector, an image collection device, a terrain image calibration device, a host lifting device, a fixed support structure and a power supply system, wherein the full-plane laser projector comprises a slot-shaped line type laser die set, a die set micro-adjusting bracket, a baffle board, a cover board, a laser distance meter and a universal joint; the terrain image calibration device comprises a spot type laser die set and a fixed supporting board; the image collection device comprises a computer, a digital camera, a camera gravity positioning box and a universal joint; the respective horizontal angle of the full-plane laser projector and the digital camera is automatically adjusted through the universal joint under the self-weight action so that the full-plane laser is in parallel to a horizontal plane; the principal optical axis of the camera is perpendicular to the horizontal plane; and the host lifting device controls the lifting of the full-plane laser projector in a step pitch setting mode. The integral set of the system has higher observation efficiency and precision, and is suitable for the research on the aspect of terrain three-dimensional analysis in a river model test.

The invention relates to a design method of a mountain land building, in particular relates to a mountainous land building design method based on an ARCVIEW GIS (geographic information system) 3.2 platform. At present, common methods for mountainous land building design are hand drawing, CAD (computer-aided design) drawing, 3DMAX, SU (sketch up), manual model research and the like, and the design methods tend to two-dimensional and static research. The mountainous land building design method based on the ARCVIEW GIS 3.2 technology, which is provided by the invention, comprises the following steps of: 1, collecting data; 2, creating a spatial database; 3, building a digital elevation model (DEM); 4, carrying out morphological analysis; 5, carrying out landscape analysis; 6, carrying out traffic analysis; and 7, carrying out engineering technology analysis. The method is a quantitative and qualitative scientific analysis method for mountainous land building design, and spatial analysis, three-dimensional analysis and image analysis functions and data management ability of the method can be applied to research on multiple aspects of mountainous land building design, thus the design method disclosed by the invention has a considerable prospect.

Techniques for monitoring and predicting environmental operating conditions in a data center are provided. In one aspect, a method for real-time, three-dimensional analysis of environmental operating conditions in a data center includes the following steps. High spatial resolution three-dimensional measurements of one or more environmental variables in the data center made at a time t1 are obtained. Real-time measurements of the environmental variables in the data center made at a time t2, wherein t2 is later in time than t1, are obtained. The high spatial resolution three-dimensional measurements are combined with the real-time measurements to derive a model for the environmental variables in the data center at the time t2. The model is used to predict three-dimensional distributions of the environmental variables in the data center at the time t2. A base model can be created and used to derive the model for the data center at the time t2.

The invention discloses an LED illumination light source comprehensive measurement instrument. The main hardware is composed of an LED illumination light source operation table (1), a sensitization measurement table (2), a telescopic optical darkroom passageway (3) and a microcomputer main control station (4). An LED illumination light source to be measured is fastened to an LED illumination light source installation universal support in the operation table, and a polar coordinate double-shaft drive servo mechanism drives the LED illumination light source on the polar coordinate double-shaft drive servo mechanism to rotate in the horizontal direction and to pitch. The telescopic optical darkroom passageway is used for adjusting the distance between the LED illumination light source to be measured and a sensitization measurement probe. Embedded type microcomputers of all subsystems execute various types of operation, collect and transmit data and are used in cooperation with the microcomputer main control table for achievement of the measured data comprehensive processing function and the image processing function. The LED illumination light source comprehensive measurement instrument has the advantages that the LED illumination light source with any model, any wave form and any power consumption can be really measured in a relatively small space, a normal measurement parameter table is provided, and a three-dimensional analysis graphic based on tricolor light waveforms and four-dimensional dynamic video are provided as well.

By means of tomograhic radar technique consisting of a coherent combination of large numbers of synthetic aperture radar images acquired by several air or space SAR systems having different look angles, a real three-dimensional imaging of volume scatterers is achieved. This allows the separation of the backscattered signal of volume scatterers in the height direction which can be further evaluated independently. The invention can be put to use in the three-dimensional analysis of vegetation layers and ground strata, but also for imaging and mapping of buildings, urban areas and mountainous terrain.

The invention discloses a flexible attachment arranging and selecting method of an ultra-large type cooling tower construction tower crane based on tower barrel safety. The flexible attachment arranging and selecting method of the ultra-large type cooling tower construction tower crane based on the tower barrel safety is characterized by comprising the following steps. The first step is that a cooling tower finite element model is selected to be analyzed in three-dimensional mode, and the three-dimensional analysis of the cooling tower finite element model comprises selecting a concrete material parameter in a construction period, setting a calculating border and confirming a wind load in the construction period and a construction load; the second step is that an initial steel wire rope tensile force and an attachment overall arranging scheme are drawn up, wherein the attachment overall arranging scheme comprises a vertical arranging scheme and a transverse arranging scheme, then the initial steel wire rope tensile force and the attachment overall arranging scheme are applied to the cooling tower finite element model in the construction period to be calculated, the overall arranging scheme is adjusted according to calculation results, and therefore the number of layers and transverse intervals of flexible attachment are confirmed; and the third step is that a local analysis model is built, concrete age when concrete is tensioned by a prestressing force, local intervals and specific reinforcing method are confirmed, and by calculating and analyzing process, the overall arranging scheme and local arranging schemes of a cooling tower are confirmed. By means of the flexible attachment arranging and selecting method of the ultra-large type cooling tower construction tower crane based on the tower barrel safety, the influence of the wind load in the construction period and construction load to a tower barrel is overcome, improvement of the safety and the stability of the tower barrel is facilitated, construction safety of a tower crane is guaranteed, the construction period can be guaranteed, and manufacturing cost of a cooling tower body is controlled.

The invention provides a city space growth ring map making and analyzing method. The method comprises the steps of importing three-dimensional vector information data of a city into a geographic information system to form a map base map module; performing geographic information analysis of building distribution on buildings of different construction ages, performing city space growth ring history slice auto-correlation analysis on the basis of the geographic information analysis, superposing the analysis results and converting the results into contour lines, and establishing a city space growth ring three-dimensional analysis module based on the contour lines to form a city space growth ring analysis information module; establishing layers of different attributes for different objects of city space growth ring analysis information and city vector information, performing information data superposition according to geographic coordinates and displaying a city space growth ring map. The method correlates the city space growth ring analysis results and the geographic information, realizes geographic space demonstration of the city space growth ring analysis, can make thematic maps efficiently and conveniently, and can widely meet the current requirements of city planning and design engineering practices.

The invention discloses a power frequency electric field three-dimensional analysis method and system for a complex scene under a power transmission line. The method comprises the steps that a simplified model of the power transmission line complex scene is built for complex three-dimensional characteristics of the complex scene, then, a charge simulation method is adopted for calculating the electric field intensity value of each point in the complex scene, a power frequency electric field distribution diagram is drawn, and therefore technical references are provided for alternating current power transmission line electromagnetic environment evaluation, project planning design and the like in the complex scene.

A subsurface directional analysis determines an image-based three-dimensional analysis meta-model with unbiased vectors and tensor relations among rock bodies or complex objects in the directional subsurface environment. An analytical tool is applied to sequence stratigraphy for characterization of geological heterogeneity of developed hydrocarbon reservoirs, aquifers and sequences of rocks.

The present invention discloses a three-dimensional analysis method for non-metallic inclusions in a metal material. The method comprises the following steps: 1) cutting, grinding and polishing a to-be-analyzed sample to obtain a sheet sample; 2) electrolyzing the observation surface of the sheet sample to erode off one layer of the metal material, and make non-metallic inclusions not be eroded byelectrolysis to protrude from the observation surface and remain in situ on the sheet sample, and cleaning the sheet sample; and 3) placing the sheet sample processed in the step 2) on the sample table of the micro-instrument, adjusting the angle of the sample table, and observing the non-metallic inclusions from right above and side above angles to obtain a three-dimensional morphology of the non-metallic inclusions. According to the method provided by the present invention, information of the non-metallic inclusions and the surrounding matrix in the sample can be retained, and cooperated with the sample table to tilt, the three-dimensional distribution and morphology of the non-metallic inclusions can be observed from multiple angles, so that the difficulty of the preparation of the three-dimensional non-metallic inclusion analysis sample is effectively solved.

An artistic color gamut display is generated by obtaining maximum and minimum values for an RGB signal. The maximum and minimum values are used as X and Y values for an XY plot. A triangular graticule, or Spearhead display, is generated for the XY plot having a first side representing Lightness, a second side representing saturation and a third side representing Value. The area within the Spearhead display represents valid color gamut. The Spearhead display may be combined with more traditional displays, such as Vector or Arrowhead displays, to provide a completely three-dimensional analysis of the RGB signal in terms of the artistic parameters of Hue, Saturation and Value or Lightness.

The invention discloses a laser triangulation method-based three-dimensional measuring instrument. The laser triangulation method-based three-dimensional measuring instrument includes a laser device, an acquisition device, a movement device, a total control system and three-dimensional analysis processing software embedded in the total control system; the laser device and the acquisition device are fixedly arranged on the movement device; and the laser device, the acquisition device and a fixture for a product to be detected are arranged in a three-point manner. The invention also discloses a laser triangulation method three-dimensional measuring instrument-based flatness detection method. According to the laser triangulation method-based 3D measuring instrument and the flatness detection method of the invention, the laser device, the acquisition device and the movement device are highly integrated in the measuring instrument, and therefore, a scanning range can be set flexibly, and the measuring instrument can be compatible with the detection of products in various sizes; scanning and image acquisition are performed on the product to be detected through the laser device and the acquisition device; the three-dimensional analysis processing software analyzes and combines acquired data and generates the three-dimensional model information of the product to be detected and marks and distinguishes the relative height information of the surface of the product element by using different colors; and the three-dimensional analysis processing software analyzes and measures the above image information.

Test patterns and a method for evaluating and adjusting the resolution of an electron beam lithography tool. The test patterns include multiple feature patterns that are repeated throughout the test pattern. Each feature pattern can be interleaved with horizontal and / or vertical line patterns that facilitate cleaving of a test substrate for three dimensional analysis of the developed image. Further, each feature pattern can comprise multiple sub-patterns. Each sub-pattern includes at least one feature having a size that varies from less than a nominal resolution limit of the lithography tool to greater than the nominal resolution limit. The lithography tool resolution can be evaluated by exposing a test pattern on a resist coated substrate, and analyzing the developed image.

A system and method for the three-dimensional analysis and reconstruction of the surface of a thin flexible material has a sample holder for supporting the flexible material over a curvature and a camera for capturing profile images of the surface at the curvature. The images are transferred to a computer which is programmed to extract profile height information from the images and produce three-dimensional data representing the surface of the flexible material. The profile height information is extracted by applying a histogram analysis to the images, applying a threshold, and extracting height information.

The invention provides a coronary artery image analysis method and a data structure. The coronary artery image analysis method comprises the steps of S1, performing preprocessing on reference human body data and detected human body data; S2, performing three-dimensional analysis and two-dimensional analysis on the reference human body preprocessed data and the detected human body preprocessed datato obtain reference human body macro and micro analysis data and detected human body macro and micro analysis data, and associating the reference human body analysis data and the detected human bodyanalysis data; and S3, synchronously displaying the reference human body analysis data and the detected human body analysis data. The beneficial effect is that users can simultaneously compare and observe two-dimensional image data, three-dimensional models and images in blood vessel cavities of coronary arteries of a reference human body and a detected human body so as to achieve better coronaryartery teaching effects.

A modeling method creates a three-dimensional analysis model of a target object for extracting parameters that are used to analyze a high-frequency transmission, by selecting, from an art work data of the target object, an extraction target region that becomes a target for extracting the parameters that are used to analyze the high-frequency transmission, deleting non-extraction target elements of the extraction target region, that do not affect an electromagnetic analysis and are other than extraction target elements that affect the electromagnetic analysis, linearizing, from among the extraction target element, a curved wiring, and optimizing a wiring length of the extraction target region including the linearized wiring and optimizing an analyzing space dimension of the extraction target region, so as to create the three-dimensional analysis mode.

The invention provides a micro-Doppler time-space-frequency three-dimensional analysis method based on an SAR-DPCA (Synthetic Aperture Radar-Data Processing Control Area). The problem in the prior art is that final motion characteristics of a plurality of movable targets are mutually interfered based on an SAR-DPCA time-frequency analytical algorithm. According to the method, a double-channel DPCA is used for inhibiting static noise waves, and double-channel fused data is subjected to distance-pulse compression; then a corresponding data slice is extracted. A distance related amount is extracted from the obtained data slice to be used as a third dimensionality, so that the time-space-frequency three-dimensional analysis is carried out on the SAR micro-Doppler characteristics. The method provided by the invention is applicable to the SAR micro-Doppler characteristic time-frequency analysis, and the mutual interference of micro-Doppler signals between a plurality of targets under the plurality of movable targets can be avoided, so that the micro-Doppler analysis level is improved.

The invention discloses an optimization method for a mixture ratio of components of a working layer of a metal plastic composite material, which comprises the following steps: obtaining mixture ratio parameters of working layers of polyphenyl thioether and nylon 66 and carbon fibers, and material performance parameters of the vibration reduction and the firmness of composite materials, which correspond to the mixture ratio parameters by a plurality of groups of orthogonal tests; training self-adapting nerve fuzzy reasoning systems and respectively establishing the global map relation; establishing and correcting a system model by three-dimensional analysis software to obtain various parameters; taking optimal performances with 50 percent of the vibration reduction and 50 percent of the firmness as a target; copying, crossing and varying the mixture ratio parameters by a genetic algorithm to obtain mixture ratio parameter values corresponding to the optimal performances; and comparing the mixture ratio parameter values obtained through the optimization by the genetic algorithm and the performance parameters corresponding to the mixture ratio parameter values with the mixture ratio parameters corresponding to the same performance parameters and corrected by the three-dimensional analysis software. The optimization method not only ensures the precision, but also improves the efficiency, and substantially improves the vibration reduction and the firmness of the metal plastic composite material.

The invention relates to a manufacturing method of a space curve profile steel component. The manufacturing method comprises the following steps: (1) part manufacturing: three-dimensional analysis software is adopted to loft a curve structure to obtain an unfolding shape of a space curve plate; a process quantity is added; and a part is produced through high-precision numerical control flame cutting equipment; (2) curved surface forming requirement: the minimum curvature in the plate length direction is calculated by analyzing the space curve plate; roller plate equipment is used for prebending; and a characteristic point reaches a designed linetype requirement by a numerical control ejection mode; (3) plate unit production requirement: a special jig model is clamped; reinforcing ribs are assembled in sequence; the assembly gaps and angles of the reinforcing ribs are controlled; and a process with low line energy can be adopted to weld during welding; and (4) steel component production requirement: a special jig model is produced according to the characteristic point; the tightness between a baseplate of the steel component and the jig model is guaranteed; separation plates and other plates are assembled in sequence; and the tightness of all the plates is guaranteed to realize whole linetype of the structure.

The invention discloses a CT scanning technique-based quantification method of a root space net structure, comprising the following steps: sample acquisition, sample CT scanning, data enhancement, selection of threshold, image cutting and binaryzation, three-dimensional visualization and three-dimensional quantification. The invention has the following beneficial effects: by the use of a specialized sampling instrument for sampling, the disturbance on root in situ is reduced; and by combining a CT scanning instrument and a specialized three-dimensional analysis software and by the most appropriate threshold segmentation method, three-dimensional quantitative analysis of the plant root space structure is realized.