. "CZ - \u010Cesk\u00E1 republika" . . . "3D visualization and finite element mesh formation from wood anatomy samples, Part I -- Theoretical approach" . "[08EC38E72215]" . "Gryc, Vladim\u00EDr" . . . . "3D vizualizace a tvorba kone\u010Dn\u011B prvkov\u00E9 s\u00EDt\u011B z anatomick\u00FDch vzork\u016F d\u0159eva, \u010C\u00E1st I. - teoretick\u00FD p\u0159\u00EDstup"@cs . "P(GP106/06/P363)" . . . "RIV/62156489:43410/09:00132815" . "image converter to FE mesh; wood anatomy; octree; FEM; hexahedral and tetrahedral mesh; ITK"@en . . "43410" . . . "353921" . "3D visualization and finite element mesh formation from wood anatomy samples, Part I -- Theoretical approach"@en . "Vavr\u010D\u00EDk, Hanu\u0161" . "LVII" . "16"^^ . "The work summarizes created algorithms for formation of finite element (FE) mesh which is derived from bitmap pattern. Process of registration, segmentation and meshing is described in detail. C++ library of STL from Insight Toolkit (ITK) Project together with Visualization Toolkit (VTK) were used for base processing of images. Several methods for appropriate mesh output are discussed. Multiplatform application WOOD3D for the task under GNU GPL license was assembled. Several methods of segmentation and mainly different ways of contouring were included. Tetrahedral and rectilinear types of mesh were programmed. Improving of mesh quality in some simple ways is mentioned. Testing and verification of final program on wood anatomy samples of spruce and walnut was realized. Methods of microscopic anatomy samples preparation are depicted. Final utilization of formed mesh in the simple structural analysis was performed. The article discusses main problems in image analysis due to incompatible colour spaces," . . "3D vizualizace a tvorba kone\u010Dn\u011B prvkov\u00E9 s\u00EDt\u011B z anatomick\u00FDch vzork\u016F d\u0159eva, \u010C\u00E1st I. - teoretick\u00FD p\u0159\u00EDstup"@cs . . "3"^^ . . "Pr\u00E1ce shrnuje vytvo\u0159en\u00FD algoritmus tvorby kone\u010Dn\u011B prvkov\u00E9 s\u00EDt\u011B (KP) odvozen\u00E9 z bitmapov\u00E9 p\u0159edlohy. Je detailn\u011B pops\u00E1n proces registrace, segmentace a s\u00ED\u0165ov\u00E1n\u00ED. Pro zpracov\u00E1n\u00ED obr\u00E1zk\u016F byly pou\u017Eity C++ knihovny STL projekt\u016F Insight Toolkit (ITK) a Visualization Toolkit (VTK). Za t\u00EDmto \u00FA\u010Delem byla sestavena multiplatformn\u00ED aplikace WOOD3D uvoln\u011Bn\u00E1 pod licenc\u00ED GNU GPL. Je obsa\u017Eeno n\u011Bkolik metod pro segmentaci a p\u0159edev\u0161\u00EDm r\u016Fzn\u00E9 zp\u016Fsoby konturov\u00E1n\u00ED. Byly naprogramov\u00E1ny \u010Dty\u0159st\u011Bnn\u00E9 a \u0161estist\u011Bnn\u00E9 typy s\u00EDt\u00ED. Jsou zm\u00EDn\u011Bny n\u011Bkter\u00E9 jednoduch\u00E9 zp\u016Fsoby zlep\u0161en\u00ED kvality s\u00EDt\u011B. Byla provedena verifikace a testov\u00E1n\u00ED aplikace na vytvo\u0159en\u00FDch anatomick\u00FDch prepar\u00E1tech smrku a o\u0159echu. Jsou uvedeny metody p\u0159\u00EDpravy anatomick\u00FDch prepar\u00E1t\u016F. Zformovan\u00E1 s\u00ED\u0165 byla pou\u017Eita v jednoduch\u00E9 mechanick\u00E9 anal\u00FDze. \u010Cl\u00E1nek diskutuje hlavn\u00ED probl\u00E9my obrazov\u00E9 anal\u00FDzy d\u00EDky nekompatibiln\u00EDm barevn\u00FDm prostor\u016Fm, p\u0159\u00EDprav\u011B prepar\u00E1t\u016F, prahov\u00E1n\u00ED a kone\u010Dnou konverzi do s\u00EDt\u011B kone\u010Dn\u00FDch prvk\u016F. Nejd\u016Fle\u017Eit\u011Bj\u0161\u00EDmi p\u016Fvodn\u00EDmi v\u00FDsledky t\u00E9to pr\u00E1ce je sestaven\u00ED uve"@cs . "3D visualization and finite element mesh formation from wood anatomy samples, Part I -- Theoretical approach" . "3D visualization and finite element mesh formation from wood anatomy samples, Part I -- Theoretical approach"@en . . "The work summarizes created algorithms for formation of finite element (FE) mesh which is derived from bitmap pattern. Process of registration, segmentation and meshing is described in detail. C++ library of STL from Insight Toolkit (ITK) Project together with Visualization Toolkit (VTK) were used for base processing of images. Several methods for appropriate mesh output are discussed. Multiplatform application WOOD3D for the task under GNU GPL license was assembled. Several methods of segmentation and mainly different ways of contouring were included. Tetrahedral and rectilinear types of mesh were programmed. Improving of mesh quality in some simple ways is mentioned. Testing and verification of final program on wood anatomy samples of spruce and walnut was realized. Methods of microscopic anatomy samples preparation are depicted. Final utilization of formed mesh in the simple structural analysis was performed. The article discusses main problems in image analysis due to incompatible colour spaces,"@en . "RIV/62156489:43410/09:00132815!RIV09-GA0-43410___" . "Ko\u0148as, Petr" . . . "3"^^ . "1211-8516" . . "1" . . . "Acta Universitatis agriculturae et silviculturae Mendelianae Brunensis : Acta of Mendel University of agriculture and forestry Brno = Acta Mendelovy zem\u011Bd\u011Blsk\u00E9 a lesnick\u00E9 univerzity v Brn\u011B" .