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Geometric Modelling, Digital Geometry Processing, Computer Graphics in Cultural Heritage Applications
G. Müller, G.H. Bendels, R. Klein "Rapid Synchronous Acquisition of Geometry and Appearance of Cultural Heritage Artifacts."  To appear in Proceedings of the 6th International Symposium on Virtual Reality, Archaeology and Cultural Heritage (VAST), November 2005 paper (TO APPEAR) bibtex

In order to produce visually appealing digital models of cultural heritage artefacts, a meticulous reconstruction of the 3D geometry alone is often not sufficient, as colour and reflectance information give essential clues of the object's material. ...

G.H. Bendels, R. Schnabel, R. Klein "Detail-Preserving Surface Inpainting."  To appear in Proceedings of the 6th International Symposium on Virtual Reality, Archaeology and Cultural Heritage (VAST), November 2005 paper (TO APPEAR) bibtex  

G.H. Bendels, R. Schnabel, R. Klein "Fragment-based Surface Inpainting."  M. Desbrun, H. Pottmann, editor(s), poster proceedings of the Eurographics Symposium on Geometry Processing 2005, The Eurographics Association, July 2005 sketch technical report

Inpainting is a well-known technique in the context of image and art restoration, where paint losses are filled up to the level of the surrounding paint and then coloured to match. Analogue tasks can be found in 3D geometry processing, as digital representations of real-world objects often contain holes... more

A. Rahimi, L. Keilig, G.H. Bendels, R. Klein, T. Buzug, I. Abdelgader, M. Abboud, C. Bourauel. "3D Reconstruction of Dental Specimens from 2D Histological Images and muCt-Scans."  Computer Methods in Biomechanics and Biomedical Engineering, Vol. 8, No. 3. (June 2005), pp. 157-165.

Direct comparison of experimental and theoretical results in biomechanical studies requires a careful reconstruction of specimen surfaces to achieve a satisfactory congruence for validation. In this paper a semi-automatic approach is described to reconstruct triangular boundary representations from images originating from, either histological sections or mCT-, CT- or MRI-data, respectively...

G. H. Bendels, R. Klein, M. Samimi, A. Schmitz "Statistical Shape Analysis for Computer Aided Spine Deformity Detection."  Vaclav Skala, editor(s), in Journal of WSCG, Vol. 13, No. 2, UNION Agency-Science Press, ISSN 1213-6972, February 2005, pages 57-64 paper  bibtex 

In this paper we describe a medical application where we exploit surface properties (measured in form of 3D-Range scans of the human back) to derive a-priori unknown additional properties of the proband, that otherwise can only be acquired using multiple x-ray recordings or volumetric scans as CT or MRI... more

G.H.Bendels, P.Degener R.Wahl, M.Körtgen, R.Klein, "Image-Based Registration of 3D-Range Data Using Feature Surface Elements."  5th International Symposium on Virtual Reality, Archaeology and Cultural Heritage (VAST 2004) paper  bibtex

Digitizing real-life objects via range scanners, stereo vision or tactile sensors usually requires the composition of multiple range images. In this paper we exploit intensity images often recorded with the range data and propose a fully automatic registration technique using 2D-image features with intrinsic scale information for finding corresponding points on the 3D-views... more

G.H.Bendels, F.Kahlesz, R.Klein, "Towards the next generation of 3D content creation."  Proceedings of the working conference on Advanced visual interfaces 2004 paper  bibtex

In this paper we present a novel integrated 3D editing environment that combines recent advantages in various fields of computer graphics, such as shape modelling, video-based Human Computer Interaction, force feedback and VR fine manipulation techniques... more

G.H.Bendels, R.Klein, A.Schilling, "Image and 3D-Object Editing with Precisely Specified Editing Regions."  Vision, Modeling, And Visualization 2003. paper  bibtex

In this paper we present a new approach to the editing of polygons, images and triangulated surface meshes featuring the exact specification of the area that is being edited, the area that remains unchanged and an area that is transformed rigidly... more

G.H.Bendels, R.Klein, "Mesh Forging: Editing of 3D-Meshes Using Implicitly Defined Occluders."  Symposium on Geometry Processing, published in Eurographics / ACM SIGGRAPH Symposium Proceedings, 2003.  paper  bibtex

In recent years the ease of use and the Flexibility in the editing process shifted into focus in modelling and animation applications. In this spirit we present a 3D mesh editing method that is similar to the simple constrained deformation (scodef) method. We extend this method to the so-called mesh forging paradigm by adding an occluder to the editing environment... more


Lehre / Uni
WS 2005/2005 Übungen zur Vorlesung "Computer Graphics I (BIT)"
SS 2005 Übungen zur Vorlesung "Computer Graphik II"
WS 2004/2005 Übungen zur Vorlesung "Informatik I"
SS 2004 Übungen zur Vorlesung "Computer Graphik II"
WS 2003/2004 Übungen zur Vorlesung "Informatik I"
Seminar "Computer Graphik"
Projektgruppe "Neue Methoden der 3D-Modellierung II"
SS 2003 Projektgruppe "Neue Methoden der 3D-Modellierung I"
WS 2002/2003 Seminar "Graphikprogrammierung mit OpenGL"
SS 2002 Praktikum "Modellieren und Rendern mit 3D-Studio Max (discreet)© "
WS 2001/2002 Übungen zur Vorlesung "Einführung in die Computergraphik"
2001 - 2005 Universität Bonn, Institut für Informatik II - Computergraphik,
Wissenschaftlicher Mitarbeiter
1999 - 2001 Landesamt für Datenverarbeitung und Statistik,
Zunächst wiss. MA, später Dezernent im Dezernat für Kommunikationsgrundanwendungen
1996 - 1999 Universität Bochum,
Studium der Mathematik und Informatik, Diplom
1995 - 1996 University of Sussex, Brighton, UK,
Studium der Mathematik und Informatik
1992 - 1995 Universität Bochum,
Studium der Mathematik
1992 Abitur am Heinrich Heine-Gymnasium, Bottrop


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