EP2024934A1 - Procédé de transformation d'image - Google Patents

Procédé de transformation d'image

Info

Publication number
EP2024934A1
EP2024934A1 EP07729543A EP07729543A EP2024934A1 EP 2024934 A1 EP2024934 A1 EP 2024934A1 EP 07729543 A EP07729543 A EP 07729543A EP 07729543 A EP07729543 A EP 07729543A EP 2024934 A1 EP2024934 A1 EP 2024934A1
Authority
EP
European Patent Office
Prior art keywords
image data
nodes
data set
equivalents
coordinate system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP07729543A
Other languages
German (de)
English (en)
Inventor
Martin LÖSSLEIN
Dieter-Werner RÖDER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Siemens Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of EP2024934A1 publication Critical patent/EP2024934A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T19/00—Manipulating three-dimensional [3D] models or images for computer graphics
    • G06T19/20—Editing of three-dimensional [3D] images, e.g. changing shapes or colours, aligning objects or positioning parts

Definitions

  • the invention relates to an image transformation method, wherein a first image data set and a second image data set is present, each having a set of nodes, wherein the nodes of the first image data set as spatial coordinates of a first coordinate system and the nodes of the second image data set as spatial coordinates of a second coordination system.
  • This check can be carried out, for example, by means of electronic data processing devices by generating image data records whose nodes are uniquely positioned in space in a coordinate system.
  • image data records whose nodes are uniquely positioned in space in a coordinate system.
  • the generation of such image data sets is relatively complicated, since simplifications can be assumed at certain points, depending on the complexity of the spatial structure, whereas more precise modeling of the image data set must be provided at other locations which are exposed to increased stress.
  • GIS gas-insulated switchgear
  • the encapsulating housing is a dreidi ⁇ dimensional extensive system which is essentially formed from interconnected pressure vessels.
  • the pressure vessels form individual modules.
  • the encapsulating housing is supported in several places. Be temperature-induced expansions suppressed in the enclosure housing, forced ⁇ occur forces, which are not usually be controlled. In order to avoid this, compensators are inserted into the system of pressure vessels, which allow expansion without appreciable resistance.
  • An alternative embodiment provides to utilize the existing elasticity in the system by a suitable choice of points for support on the gas-insulated switchgear.
  • the Kapselungsge ⁇ housing is deliberately exploited in elasticity. As a result, the housings themselves are deformed to their mechanical limit load capacity.
  • the image data transformation method according to the invention makes it possible to dispense with such complex determination methods.
  • the image data can be used to transform method to a manageable in different time comparatively complex spatially extended structures successively to calculate and compare the results to select the geeig ⁇ netste construction.
  • a body having a spatial extent may be composed of two modules.
  • each of the modules is stored in an image data set, each of the image data sets each having a set of nodes and the respective nodes are defined within a respective coordinate system. It is relatively complicated and confusing to operate with the image data sets of the modules. Therefore, it is advantageous if for each of the image data sets a corresponding data equivalent Alloc ⁇ net.
  • This corresponding data equivalent can be completely be based on the construction of the system, that is, the data equivalents can be simplified in complexity. It is essential for these only that certain key data are stored. For this it is important to define len in which data equivalent example interface of ⁇ . Such interfaces are preferably flanges via which the real modules are connected to each other. The image data set must therefore contain which flanges can correspond to one another and whether certain positions of the flange connection are permitted and other positions in the flange connection must be ruled out. Furthermore, it is necessary to clearly record the position of the data equivalents in space. Thus, their position and their angular position with respect to the position in space to determine. The data regarding the spatial position and the interfaces make it possible to link the data equivalents with each other.
  • each of the data equivalents can be selected and flanged to another data equivalent.
  • CAD computer-aided-design
  • each of the data equivalents can be selected and flanged to another data equivalent.
  • the image data records can thus be maintained in the original coordinate system.
  • the number and location of the bone ⁇ tenatom can be adjusted there. So it is ⁇ example, also possible to track changes in the design of modules in the original image data set by changes of nodes. Thus, it is possible to optimize the image data sets within the first and the second coordinate system, respectively.
  • the design process using the data equivalents done repeatedly can be resorted to updated and optimized image data sets with a per ⁇ loom set of nodes each. This makes more effective verification of spatially extended constructions possible.
  • a further advantageous embodiment can provide that spatial coordinates image data set for image data set are transformed one after the other into the higher-level coordinate system.
  • the image data sets are spatially directly adjacent to each other at defined interfaces such as flanges of modules of the spatially extended construction, but an interaction between the nodes in this form is only possible to a limited extent. Therefore, it is advantageous to generate a common transformed image data record from the plurality of transformed image data sets.
  • all nodes that were previously allocated to a particular image data set and were transformed into the superior system, to a the Common ⁇ men image data set merged. This can happen, for example, by fusing individual nodes together, and / or by defining specific averaging functions between individual nodes that were previously assigned to different image data records.
  • each of the originally present image data records has already been optimized with respect to its location of nodes, after merging a plurality of image data sets each optimized for itself, there is a common transformed image data record which is optimized in its entirety. Since each of the image data sets is optimized for itself, in a design with the data equivalents and a linking of the data equivalents with each other always advantageous image data sets can be used.
  • Ge ⁇ geninate the prior art processes, wherein starting a special design for this image data set is generated and having a plurality of nodes in a coordinate system of an optimized design has the inventions dung proper image transformation process, that optimization of the nodes and of the non-common ⁇ trans-formed image data set is no longer necessary to advantage.
  • each data equivalent has at least one coupling point to the verbin ⁇ with with a further data equivalent.
  • a coupling point can be, for example, a flange connection to a housing.
  • data together equivalents voted only be ⁇ to link defined positions can be design-related specifications, on the other hand, deliberate restrictions can also be chosen.
  • only flanges with mitein ⁇ other corresponding dimensions act as a coupling point and the data equivalents can be connected to each other only when a match of the flange.
  • a circular flange may be provided that only certain rotations are allowed around the circumference of the flanges to be connected. That's the way it works For example, be provided that rotations about an axis of the flange, for example, only 90 degrees, 20 degrees, etc. are left to ⁇ .
  • other types of connection can be provided. For example, corresponding plug-in connections, welded joints, adhesive bonds, shrink joints, etc. can be stored in the data equivalents. In this case, it is ensured by the data equivalents that only mutually corresponding connection partners permit a linking of the data equivalents to one another.
  • a further advantageous embodiment can provide that a data equivalent represents a volume of a spatial body.
  • a module is defined for example by ei ⁇ nen pressure vessel of the encapsulating.
  • This pressure vessel is a chamber body, which points certain coupling, for example, flange, has.
  • Data equivalent represents the volume of the space body.
  • the image of the volume can be miteinan ⁇ optimized in terms of the way of linking multiple data equivalents.
  • the data equivalent can only represent, for example, an enveloping body, or merely have possible coupling points whose position is defined in space. This makes it possible for multiple äquiva ⁇ lente are linked to one another.
  • Another verify at a positioned in a certain way in the room data equivalent ⁇ coupling the data is equivalent to tilt in accordance with a similar manner and permissible on the coupling points which sig are to adapt to the originally positioned in space data equivalent in its location.
  • a further advantageous embodiment may provide that the nodes of an image data set are each disposed within the volume of the associated selectbil ⁇ by a data equivalent Deten chamber body.
  • the nodes of an image data set are selected in their position such that they approximately reproduce a space object imaged by an assigned data ⁇ equivalent in its volume.
  • the nodes can be arranged on the upper surface ⁇ surface of the space body but also in the interior of the volume of the space body.
  • the position and number of nodes may vary depending on the actual design to be carried out later.
  • an element is arranged, which images ⁇ mediation functions of physical quantities between the two nodes.
  • linear elements are used as elements between nodes in the connection of two nodes.
  • membranes so flat elements or spatially extended Elemen ⁇ able te as tetrahedral find octahedron, etc. use.
  • Each of these elements has at least one averaging function in order to transmit physical quantities between at least two nodes.
  • the averaging functions may, for example, define the transmission of forces, mechanical stresses, moments, etc.
  • a further advantageous embodiment can provide that the spatial coordinates of the nodes of each image data set are stored in a node file and the associated elements in an ele ⁇ ment file, with elements and nodes are uniquely associated with each other.
  • Such a node file and element file can be present for each of the image data sets, and starting from these files, after a transformation of the node into a higher-order coordinate system, a generation of a corresponding node file and associated element file can be provided.
  • this parent node and related element file the information from the before
  • a further advantageous embodiment of the invention provides that the common transformed image data set can be acted upon by physical variables and a calculation of changes in position of the nodes according to the finite element method is performed.
  • the common transformed image data set can be acted upon by physical variables and a calculation of changes in position of the nodes according to the finite element method is performed.
  • Method is applied to the transformed image data set with physical ⁇ size; For example, from the outside einwir ⁇ kende forces caused by an earthquake or by the weight ⁇ force of the overall construction or due to thermal stress. Due to the finite element method, it is possible, at a certain node or certain nodes or elements forces are applied to let ⁇ and transmit the reaction of the transformed image data set to it.
  • An advantageous embodiment may further provide that the data equivalents are stored in a computer-aided design (CAD) program and several Since ⁇ tenäquivalente be linked with the CAD program.
  • CAD computer-aided design
  • a merging of spatially extended bodies which are preferably designed in a modular manner, can be carried out in a simple manner by means of computer-aided design (CAD) programs. It is advantageous if the data equivalents are linked to the CAD program. After a construct by means of the CAD program and an order were made linking the data equivalents within the parent Coordina ⁇ tensystems this information (first, second image data set) can be used to present image data sets to transform to the parent coordinate system and consequently higher-level within this coordinate ⁇ systems to create a common transformed image data set. The operations with the image data records and the transformation can be carried out within a program for the purpose of calculation according to the finite element method.
  • CAD computer-aided design
  • a work-sharing method can be carried out.
  • the connection of the image data sets and the corresponding data equivalents is done in large part on the Koordinatenatyste ⁇ me, the CAD program defines the parent Koordinatensys ⁇ tem and the FEM program maintains the image data sets and the transformation into the parent of the CAD program derived Coordinate system with the there ⁇ determined position of the data equivalents organized.
  • the organization can also be carried out by the CAD program.
  • a further advantageous embodiment can provide that a device for carrying out the method with at least a portion of the method steps described above ⁇ takes place.
  • a device for carrying out the method with at least a portion of the method steps described above ⁇ takes place.
  • a device is example ⁇ an electronic computer (computer).
  • a computer program product comprising a computer readable medium having program ⁇ comprising instructions that are executable by a computer and a method according to at least some of the steps of the above method allows to image data transformation.
  • Figure 1 is a construction drawing of a spatially extended body, which is composed of various individual modules, the
  • Figure 2 is a data equivalent of a first image data set
  • FIG. 1 shows a side view of a gas-insulated switchgear whose encapsulating is formed from a plurality of modular pressure vessels.
  • a so-called cross component is pulled out of FIG. 1, the data equivalent of which is shown in FIG.
  • Data equivalent is characterized by the fact that several Kop ⁇ pelstellen are defined, which are clearly defined in their position within a übergeord ⁇ Neten coordinate system. Since the cross component is identical in each case with respect to the pressure vessel, the same data equivalent can be used in each case. This äquiva ⁇ lent can be used several times and are linked to other äqui ⁇ valent. The position and the position of the data equivalents are determined by the construction shown in FIG. In FIG. 2, a data equivalent is modeled, where coupling points are represented by circular disks.
  • Each of the data equivalents is assigned an image data set which is formed from a plurality of nodes (see FIG. 3). Between the nodes are arranged elements which represent an averaging function of physical quantities between at least two nodes. As can be seen in the figure 1, are shown on the there
  • Switchgear used three so-called cross-blocks. Each of these three components Cross has one and the same äqui ⁇ valent on. And this data is stored once equivalent tenbank clearly defined in a Da ⁇ . In a construction for achieving the one shown in FIG.
  • Switchgear is the same data equivalent three times to verwen - ⁇ , each with different positions are taken in space ⁇ and these positions are connected to different layers of the data equivalent. Based on the data equivalent to its particular location and position is now resorted to the image data set and the defined there nodes of the local coordinate system ⁇ the converted to the parent coordinate system. Since ⁇ through is it possible that each of the three cross-blocks used in the gasisolier- th switching relies on the same op ⁇ -optimized image data set. Consequently, this image data record must only be created and maintained once. The image data set is converted via the data equivalents with respect to the positions of the nodes and the elements. By way of example, FIGS.
  • FIGS. 1 to 4 show the generation of a common transformed image data record in the superordinate coordinate system. This transformation preferably takes place image data record for image data record one after the other.
  • the other modules which can be seen in FIG. 1 are also defined via their respective data equivalents with their positions and positions in space in the superordinate coordinate system.
  • the respective assigned image data sets are transformed into the higher-level coordinate system. After all image data sets which have a corresponding data equivalent have been transformed into the higher-level coordinate system, the corresponding node files and element files of the image data sets used can be combined to form a common node or element file.
  • the cost points of adjacent, now transformed image data sets lying at the interfaces are to be merged with one another or linked to one another by means of suitable averaging functions.
  • a common transformed image data set is generated.
  • the application of the finite element method can now be carried out in order to determine a mechanical behavior of the spatially extended construction.
  • Method is that of the CAD model of one or meh ⁇ rerer switchgear easily FEM model can be generated.
  • the FEM model needs only the additional input the loads to be applied and the boundary conditions in order to be able to calculate the mechanical conditions.
  • Transfer points or derivations between CAD and FEM are known. They usually happen via standardized formats (eg IGES or DXF). Depending on the application, it is derived directly from the CAD model or the data to be derived are prepared accordingly in the CAD program and then transferred to the FEM program. Mechanically good calculation results can only be achieved by known methods, when called from the surfaces and lines of CAD in FEM Volu ⁇ menimplantation be generated. It works in loops until an optimal result is achieved. Due to the nature of the process, the CAD model is constantly being changed, which means that the creation of the volume elements has to be redone with each loop.
  • standardized formats eg IGES or DXF
  • the fineness of the modeling to be set in the program is included in the quality of the results and must be influenced by the situation - for example, if the chosen degree of fineness does not match the derived model or if the calculation results are too inaccurate.
  • a high ⁇ He gebnis 1957 in the calculation of the encapsulating be ⁇ may mostly tion of the corresponding income in the Modellie ⁇ . With increasing size and complexity of this on ⁇ rises wall.
  • the inventive approach of a coupling is therefore based on the procedure when building a switchgear using CAD.
  • There, only the positions, position and name of the CAD modules are saved in the file of the layout drawing. See the training of the individual CAD modules themselves is with every Pro ⁇ gram start retrieved from a database (data equivalent).
  • the FEM model is now generated. The in ⁇ formation of position, location and the name of the data equivalents are retrieved from the CAD file.
  • the data of the FEM modules (image datasets) are in mirror image to the CAD modules.
  • the data of the FEM modules are in the form of node and associated element files. There is an associated FEM module for each pressure vessel.
  • each node having a Num ⁇ mer and the 3D coordinate space will be described of the FEM module.
  • An element file consists of numbered elements, which are described by several node numbers.
  • each coordinate is transformed a node on the location of äquiva ⁇ lentus in CAD on the new coordinates first.
  • the node numbers are changed to unique index numbers within the overall plant.
  • the original node numbers are replaced with the new index numbers. This happens for each IN ANY ⁇ housing in the overall system.
  • the last step is to merge all newly created nodes and element files.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Computer Graphics (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Processing Or Creating Images (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Image Processing (AREA)

Abstract

La présente invention concerne la génération d'un jeu de données d'image commun transformé en utilisant un premier jeu de données d'image ainsi qu'un second jeu de données d'image présentent respectivement une quantité de points de nœud, les point de nœud du premier jeu de données existant en tant que coordonnées spatiales d'un premier système de coordonnées et les points de nœud du second jeu de données d'image en tant que coordonnées spatiales d'un second système de coordonnées. Les jeux de données d'image sont associés respectivement à une équivalence de données correspondante. Plusieurs équivalences de données sont associables entre elles, la position des équivalences de données étant représentée après une association entre elles à l'intérieur d'un système de coordonnées supérieur. Les coordonnées spatiales des coordonnées du premier et du second systèmes de coordonnées sont transformées en tenant compte des équivalences de données associées en système de coordonnées supérieur.
EP07729543A 2006-05-31 2007-05-25 Procédé de transformation d'image Withdrawn EP2024934A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200610026453 DE102006026453A1 (de) 2006-05-31 2006-05-31 Bildtransformationsverfahren
PCT/EP2007/055117 WO2007138020A1 (fr) 2006-05-31 2007-05-25 Procédé de transformation d'image

Publications (1)

Publication Number Publication Date
EP2024934A1 true EP2024934A1 (fr) 2009-02-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP07729543A Withdrawn EP2024934A1 (fr) 2006-05-31 2007-05-25 Procédé de transformation d'image

Country Status (5)

Country Link
EP (1) EP2024934A1 (fr)
CN (1) CN101460978A (fr)
DE (1) DE102006026453A1 (fr)
RU (1) RU2438180C2 (fr)
WO (1) WO2007138020A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102129664B (zh) * 2010-12-30 2012-12-19 新奥特（北京）视频技术有限公司 一种rgb空间图像区域像素信息压缩存储和还原方法

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Publication number Priority date Publication date Assignee Title
US5682468A (en) * 1995-01-23 1997-10-28 Intergraph Corporation OLE for design and modeling
CA2180899A1 (fr) * 1995-07-12 1997-01-13 Yasuaki Honda Mise a jour synchrone de sous-objets dans un systeme d'utilisation collective d'espace tridimensionnel en realite virtuelle, et methode connexe
AU2092900A (en) * 1999-01-22 2000-08-07 Thomsen, Michael Virtual reality modelling
AU5125800A (en) * 1999-05-03 2000-11-17 Freightliner Corporation Method and apparatus for generating digital mock-ups for arbitrary assemblies from the geometric models of parts
RU2182727C2 (ru) * 2000-07-20 2002-05-20 Дворкович Александр Викторович Способ поиска векторов движения деталей в динамических изображениях
RU2179328C1 (ru) * 2001-06-19 2002-02-10 Кияшко Сергей Николаевич Способ дифференциально-фазовой профилометрии и/или профилографии и устройство для его реализации
US8068605B2 (en) * 2006-03-07 2011-11-29 Sony Ericsson Mobile Communications Ab Programmable keypad

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Also Published As

Publication number Publication date
RU2438180C2 (ru) 2011-12-27
CN101460978A (zh) 2009-06-17
WO2007138020A1 (fr) 2007-12-06
RU2008152748A (ru) 2010-07-10
DE102006026453A1 (de) 2007-12-06

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