Assistant Professor
Department of Computer Science
University of Pittsburgh
Pittsburgh, PA 15260-9161
Adjunct Assistant Professor
Robotics Institute, School of CS
Carnegie Mellon University
Pittsburgh, PA
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Publications
Journal Articles
G.E. Marai, C.M. Grimm, D. H. Laidlaw,
Arthrodial Joint Markerless Cross-Parameterization and Biomechanical Visualization, IEEE Transactions on
Visualization and Computer Graphics 13(5):1095-1104, Sep./Oct. 2007.
J.J. Crisco, D. Moore, G.E. Marai, D.H. Laidlaw, E. Akelman, A. C. Weiss,
S.W. Wolfe, Effects of Distal Radius Malunion on Distal Radioulnar
Joint Mechanics -- An In-Vivo Study, Journal of Orthopedic Research 25(4):547-555, Jan. 2007.
G.E. Marai, D.H. Laidlaw, J.J. Crisco, Super-Resolution Registration Using
Tissue-Classified Distance Fields, IEEE Transactions on Medical Imaging,
25(2):177-187, Feb. 2006.
G.E. Marai, D.H. Laidlaw, C. Demiralp, S. Andrews, C.M. Grimm, J.J. Crisco,
Estimating Joint Contact Areas and Ligament Lengths from Bone Kinematics and
Surfaces, IEEE Transactions on Biomedical Engineering, 51(5):790-799, May 2003.
Book ChapterD.H. Laidlaw, G.E. Marai, K.E. Fleischer, A. Barr, Partial volume Bayesian classification and boundary distance estimation using voxel histograms,
in Handbook of Medical Imaging: Processing and Analysis, 2nd edition, I.N. Bankman (editor), Academic Press,
2008 (to appear).
Refereed Conference Publications
G.E. Marai, J.J. Crisco, D.H. Laidlaw,
A Kinematics-Based Method for Evaluating the Stabilizing Role of
Ligaments in the Carpal Joint, 16th Annual Symposium on
Computational Methods in Orthopaedic Biomechanics, March 2008.
G.E. Marai, J.J. Crisco, D.H. Laidlaw, A Kinematics-Based Method for
Generating Cartilage Maps and Deformations in the Multi-Articulating Wrist
Joint From CT Images, IEEE 2006 Conference of the Engineering in Medicine and
Biology Society (EMBC'06), pp. 2079-2082, Sept. 2006.
G.E. Marai, D.H. Laidlaw, Markerless inter-subject bone shape matching
using 2D projections, MICCAI 2005 short papers, 2005.
G. E. Marai, C. Demiralp, S. Andrews, D. H. Laidlaw, JointViewer -- an
interactive system for exploring orthopedic data, IEEE Visualization 2004
Poster Compendium, 2004.
E. Bromberg, A. Jonsson, G.E. Marai, M. McGuire, Hybrid Billboard Clouds
for Model Simplification, ACM SIGGRAPH 2004 Poster Compendium, 2004.
P. Sibley, P. Montgomery, G.E. Marai, Wang Cubes for Video Synthesis and
Geometry Placement, ACM SIGGRAPH 2004 Poster Compendium, 2004.
J.J. Crisco, G.E. Marai, D.H. Laidlaw, D. Moore, E. Akelman, Kinematic and
mechanical changes in the distal radioulnar joint (druj) of patients with
malunited distal radius fractures, 49th Annual Meeting of the Orthopaedic
Research Society, 2003.
G.E. Marai, D.H. Laidlaw, J.J. Coburn, M.A. Upal, J.J. Crisco, A 3D
Method for Segmenting and Registering Carpal Bones from CT Volume
Images, Annual Meeting of the American Society of Biomechanics, 2003.
G.E. Marai, D.H. Laidlaw, C. Demiralp, C. Grimm, J.J. Crisco, D. Moore, A.E.
Akelman, Contact Areas and Ligament Lengths are Abnormal in Patients with
Malunited Distal Radius Fracture Despite Normal Radioulnar Kinematics, 4th
World Congress Biomechanics, 2002.
C. Demiralp, G.E. Marai, S. Andrews, D.H. Laidlaw, J.J. Crisco, C. Grimm,
Modeling and Visualization of Inter-Bone Distances in Joints, IEEE Visualization 2001 Work in
Progress Proc., 2001.
G.E. Marai, A. Ivan, Neural Networks versus Fuzzy Logic, Politehnica
Bioengineering Scientific Session, May 1996 (in Romanian). Best paper award.
Other Publications
G.E. Marai, Data-driven
Predictive Modeling of Diarthrodial Joints,
Ph.D. Dissertation, Brown University, May 2007.
G.E. Marai, C. Demiralp, S. Andrews, D.H. Laidlaw, C. Grimm, J.J. Crisco, Visualization of Contact Areas and Ligament Paths in Joints, Technical Report CS-02-15, Brown University Computer Science Department, August 2002.
G.E. Marai, Geometry Compression of DirectX Files, Technical Report 322/98, Philips Research, September 1998 (company-restricted distribution).
G.E. Marai, KQML - Communication among Intelligent Agent Systems, M.S. dissertation, Politehnica University of Bucharest, June 1998 (in Romanian).
G.E. Marai, Time-delay Neural Network System for Speech Recognition, B.S. Honors Thesis, Politehnica
University of Bucharest, June 1997 (in Romanian).