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ITEM-Algorithm
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ITEM
ITEM (algorithm as well as its implementations) is published under the terms of the GNU general public license (GNU GPL).
ITEM is a minimisation technique motivated from Quantum Mechanics.
It was originally developed for the image reconstruction for the Compton-Camera.
Most modern iterative reconstruction methods are based on maximum likelihood-methods.
There the physics of the imaging system is modelled by the means of an action-like functional.
ITEM in contrast works with a Hamiltonian-like operator acting on the actual image (which has to be identified with the wavefunction).
To reach the ground-state it applies imaginary time evolution (IT) to the normal time evolution formula:
The following thesis are dealing with ITEM appeared so far:
| Own work |
| Paper | |
| J. Pauli, G. Anton, J. Durst, T. Karg, E.-M. Pauli, N. Uhlmann, J. Giersch
ITEM - A QM Approach to Image Reconstrcution
2003: submitted to Phys. Med. Biol.
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| J. Pauli, E.-M. Pauli, G. Anton
ITEM - QM solutions for EM problems in image reconstruction exemplary for the compton camera
23. Aug. 2002: Nuclear Instruments and Methods in Physics Research, Section A (NIM-A 41499 ) vol 488/1-2 pp 323-331
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| Proceedings | |
| J. Pauli, G. Anton, J. Durst, E.-M. Pauli
ITEM - A QM Approach to Image Reconstruction
Fully 3D Reconstruction - Saint Malo 2003, session Th-AM2-2, proceedings |
| J. Pauli, G. Anton, N. Uhlmann, T. Karg, E.-M. Pauli, A. Weidemann, W. Beulertz
ITEM - QM Solutions for EM Problems in Image Reconstruction
Medical Imaging Conference (MIC IEEE)-San Diego 2001, session M9C-12, proceedings |
| Poster | |
| J. Pauli, G. Anton, N. Uhlmann, T. Karg, E.-M. Pauli, A. Weidemann, W. Beulertz
ITEM - QM Solutions for EM Problems in Image Reconstruction
Medical Imaging Conference (MIC IEEE)-San Diego 2001 |
| Talks | |
| J. Pauli
Mathmatics behing 3D-Traction Mikroskopy
Cell biomechanics meeting - Paris 2005 |
| Biomed 2003(pdf (2878kByte)) |
| Siemens CT 2003(pdf (2457kByte)) |
| J. Pauli, G. Anton, J. Durst, E.-M. Pauli
ITEM - A QM Approach to Image Reconstruction
Fully 3D Reconstruction - Saint Malo 2003(pdf (2007kByte)) |
| Hausseminar 2002(pdf (1584kByte)) |
| Siemens GT 2002 |
| Mattinata 2002(pdf (968kByte)) |
| Sourcecode | |
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please mail me for the ITEM-CC sourcecode
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| Done by others |
| Diploma-Thesis | |
| Ralf Auer
Antares ...
Diplomarbeit, 2005 |
| Stefan Speer
SPECT ...
Diplomarbeit, 2004 |
| Kamalaksh Shenoy
Neural networks ...
Master thesis, 2004 |
| Jürgen Durst
3D
Bildrekonstruktion für Computertomographie mit Hilfe des ITEM-Algorithmus
Diplomarbeit, März 2003 |
| Timo Karg
Entwicklung eines Bildrekonstruktionsalgorithmus für die Compton-Kamera
Diplomarbeit, Mai 2002 |
| Proceedings | |
| C.T. Mierke, J. Pauli, P. Kollmannsberger, B. Reischl, W.H. Goldmann, B. Fabry
Endothelial Cells Increase Tumor Cell Invasion into 3D Collagen Gels
Annual Meeting of the society for cell biology - San Francisco 2005, session Tu-PM1-2, proceedings (submitted) |
| L. Jaafar, C. Mierke, D. Paranhos-Zitterbart, P. Kollmannsberger, J.Pauli, W.H. Goldmann, B. Fabry
Role of Vinculin in Cytoskeletal Dynamics and Regulation
Annual Meeting of the society for cell biology - San Francisco 2005, session Tu-PM1-2, proceedings (submitted) |
| J. Durst, J. Pauli, G. Anton
3D Reconstruction of CT-data using the ITEM algorithm
Fully 3D Reconstruction - Saint Malo 2003, session Tu-PM1-2, proceedings |
| T. Karg, J. Pauli, G. Anton, W. Beulertz
Reconstruction of Compton-camera Images using Artificial Neural Networks
Medical Imaging Conference (MIC IEEE) San Diego 2001, session M13C-6, proceedings |
| Poster | |
| J. Durst, J. Pauli, G. Anton
3D Reconstruction of CT-data using the ITEM algorithm
Fully 3D Reconstruction - Saint Malo 2003 |
| T. Karg, J. Pauli, G. Anton, W. Beulertz
Reconstruction of Compton-camera Images using Artificial Neural Networks
Medical Imaging Conference (MIC IEEE) San Diego 2001 |
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