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97 results on '"Lorensen, William E."'

1. Virtual Laryngoscopy

Author

Kettenbach, Joachim, Leventon, Mike E., Fried, Marvin P., Moharir, Vik M., Birkfellner, Wolfgang, Hanel, Rudolf, Lorensen, William E., Kikinis, Ron, Jolesz, Ferenc A., Baert, A. L., editor, Sartor, K., editor, Caramella, Davide, editor, and Bartolozzi, Carlo, editor

Published
2002
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2. Virtual endoscopy of mucin-producing pancreas tumors

Author

Nakagohri, Toshio, Jolesz, Ferenc A., Okuda, Shigeo, Asano, Takehide, Kenmochi, Takashi, Kainuma, Osamu, Tokoro, Yoshiharu, Aoyama, Hiromichi, Lorensen, William E., Kikinis, Ron, Wells, William M., editor, Colchester, Alan, editor, and Delp, Scott, editor

Published
1998
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6. Virtual Laryngoscopy

Author

Kettenbach, Joachim, primary, Leventon, Mike E., additional, Fried, Marvin P., additional, Moharir, Vik M., additional, Birkfellner, Wolfgang, additional, Hanel, Rudolf, additional, Lorensen, William E., additional, Kikinis, Ron, additional, and Jolesz, Ferenc A., additional

Published
2002
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7. Golf green visualization

Author

Lorensen, William E. and Yamrom, Boris

Subjects
Sports, Design, Software Packages, Trajectories, Visualization, Maps, Computer Graphics, Simulation methods -- Usage, Golf courses -- Design and construction, Computer Graphics -- Usage
Published
1992

10. Increasing the impact of medical image computing using community-based open-access hackathons: The NA-MIC and 3D Slicer experience

Author

Kapur, Tina, primary, Pieper, Steve, additional, Fedorov, Andriy, additional, Fillion-Robin, J-C, additional, Halle, Michael, additional, O'Donnell, Lauren, additional, Lasso, Andras, additional, Ungi, Tamas, additional, Pinter, Csaba, additional, Finet, Julien, additional, Pujol, Sonia, additional, Jagadeesan, Jayender, additional, Tokuda, Junichi, additional, Norton, Isaiah, additional, Estepar, Raul San Jose, additional, Gering, David, additional, Aerts, Hugo J.W.L., additional, Jakab, Marianna, additional, Hata, Nobuhiko, additional, Ibanez, Luiz, additional, Blezek, Daniel, additional, Miller, Jim, additional, Aylward, Stephen, additional, Grimson, W. Eric L, additional, Fichtinger, Gabor, additional, Wells, William M, additional, Lorensen, William E., additional, Schroeder, Will, additional, and Kikinis, Ron, additional

Published
2016
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15. Virtual endoscopy with automated fly-through trajectory

Author

Okuda, Shigeo, primary, Kettenbach, Joachim, additional, Schreyer, Andreas, additional, Moharir, Vik, additional, Nakagori, Toshio, additional, Jolesz, Ferenc A., additional, Alyassin, Abdal M., additional, Lorensen, William E., additional, and Kikinis, Ron, additional

Published
1999
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16. Virtual Laryngoscopy

Author

Moharir, Vik M., primary, Lorensen, William E., additional, Fried, Marvin P., additional, Shinmoto, Hiroshi, additional, Hsu, Liangge, additional, Alyassin, Abdalmajeid M., additional, and Kikinis, Ron, additional

Published
1999
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19. Virtual pancreatoscopy of mucin‐producing pancreatic tumors

Author

Nakagohri, Toshio, primary, Jolesz, Ferenc A., additional, Okuda, Shigeo, additional, Asano, Takehide, additional, Kenmochi, Takashi, additional, Kainuma, Osamu, additional, Tokoro, Yoshiharu, additional, Aoyama, Hiromichi, additional, Lorensen, William E., additional, and Kikinis, Ron, additional

Published
1998
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20. 5365927 Magnetic resonance imaging system with pointing device

Author

Roemer Peter, B, primary, Blumenfeld Samuel, M, additional, Vosburgh Kirby, G, additional, Cline, Harvey, additional, Barber William, D, additional, Lorensen William, E, additional, St Peters Richard, L, additional, Schenck John, F, additional, Dumoulin Charles, L, additional, Darrow Robert, D, additional, and Hardy Christopher, J, additional

Published
1995
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21. Image guidance techniques for neurosurgery

Author

Kikinis, Ron, primary, Gleason, P. L., additional, Lorensen, William E., additional, Wells III, William M., additional, Grimson, W. Eric L., additional, Lozano-Perez, Tomas, additional, Ettinger, Gil J., additional, White, Steven F., additional, and Jolesz, Ferenc A., additional

Published
1994
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29. Virtual endoscopy of mucin-producing pancreas tumors.

Author

Goos, Gerhard, Hartmanis, Juris, Leeuwen, Jan, Wells, William M., Colchester, Alan, Delp, Scott, Nakagohri, Toshio, Jolesz, Ferenc A., Okuda, Shigeo, Asano, Takehide, Kenmochi, Takashi, Kainuma, Osamu, Tokoro, Yoshiharu, Aoyama, Hiromichi, Lorensen, William E., and Kikinis, Ron

Abstract

We have used computer based virtual endoscopy techniques as a novel approach to clarify the 3D surgical anatomy of the pancreas and improve preoperative surgical planning. 13 cases (18 lesions) with mucin-producing pancreas tumors were investigated by "virtual pancreatoscopy". All cystic tumors and the pancreatic ducts were displayed by virtual endoscopy. The surfaces of intraductal papillary adenocarcinomas were illustrated more irregularly than benign cystic lesions. Virtual pancreatoscopy was useful for surgical planning of minimally invasive resection of the pancreas. [ABSTRACT FROM AUTHOR]

Published
1998
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38. Geometrically deformed models

Author

Miller, James V., primary, Breen, David E., additional, Lorensen, William E., additional, O'Bara, Robert M., additional, and Wozny, Michael J., additional

Published
1991
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42. ThreeDimensional Segmentation of MR Images of the Head Using Probability and Connectivity

Author

Cline, Harvey E., Lorensen, William E., Kikinis, Ron, and Jolesz, Ferenc

Abstract

We describe a three-dimensional (3D) segmentation method that comprises (a) user interactive identification of tissue classes; (b) calculation of a probability distribution for each tissue; (c) creation of a feature map of the most probable tissues; (d) 3D segmentation of the magnetic resonance (MR) data; (e) smoothing of the segmented data; (f) extraction of surfaces of interest with connectivity; (g) generation of surfaces; and (h) rendering of multiple surfaces to plan surgery. Patients with normal head anatomy and with abnormalities such as multiple sclerosis lesions and brain tumors were scanned with a 1.5 T MR system using a two echo contiguous (interleaved), multislice pulse sequence that provides both proton density and T2-weighted contrast. After the user identified the tissues, the 3D data were automatically segmented into background, facial tissue, brain matter, CSF, and lesions. Surfaces of the face, brain, lateral ventricles, tumors, and multiple sclerosis lesions are displayed using color coding and gradient shading. Color improves the visualization of segmented tissues, while gradient shading enhances the perception of depth. Manipulation of the 3D model on a workstation aids surgical planning. Sulci and gyri stand out, thus aiding functional mapping of the brain surface.

Published
1990

43. Automatic moire contouring

Author

Cline, Harvey E., Lorensen, William E., and Holik, Andrew S.

Abstract

A method of automatically reconstructing the 3-D surface of an object from a 2-D moire pattern has been extended to interpret ambiguous fringe patterns by displacing the object. Potential applications of the surface reconstruction technique include inspection, cad/cam, microscopy, and robot vision. The digitized binary image was segmented into labeled fringes, the contours were detected, and the surface was reconstructed. A coin was used as an example to illustrate the procedure. The feasibility of using automatic moire contouring to inspect surfaces is discussed.

Published
1984

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