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2,185 results on '"Fichtinger, Gabor"'

101. Design and Preliminary Accuracy Studies of an MRI-Guided Transrectal Prostate Intervention System

Author

Krieger, Axel, Csoma, Csaba, Iordachita, Iulian I., Guion, Peter, Singh, Anurag K., Fichtinger, Gabor, Whitcomb, Louis L., Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Ayache, Nicholas, editor, Ourselin, Sébastien, editor, and Maeder, Anthony, editor

Published
2007
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102. Real-Time Tissue Tracking with B-Mode Ultrasound Using Speckle and Visual Servoing

Author

Krupa, Alexandre, Fichtinger, Gabor, Hager, Gregory D., Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Ayache, Nicholas, editor, Ourselin, Sébastien, editor, and Maeder, Anthony, editor

Published
2007
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103. Robotic Assistant for Transperineal Prostate Interventions in 3T Closed MRI

Author

Fischer, Gregory S., DiMaio, Simon P., Iordachita, Iulian I., Fichtinger, Gabor, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Ayache, Nicholas, editor, Ourselin, Sébastien, editor, and Maeder, Anthony, editor

Published
2007
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104. Robotic Assistance for Ultrasound Guided Prostate Brachytherapy

Author

Fichtinger, Gabor, Fiene, Jonathan, Kennedy, Christopher W., Kronreif, Gernot, Iordachita, Iulian I., Song, Danny Y., Clif Burdette, E., Kazanzides, Peter, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Ayache, Nicholas, editor, Ourselin, Sébastien, editor, and Maeder, Anthony, editor

Published
2007
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105. Prostate Implant Reconstruction with Discrete Tomography

Author

Liu, Xiaofeng, Jain, Ameet K., Fichtinger, Gabor, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Ayache, Nicholas, editor, Ourselin, Sébastien, editor, and Maeder, Anthony, editor

Published
2007
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106. Ultrasound Monitoring of Tissue Ablation Via Deformation Model and Shape Priors

Author

Boctor, Emad, deOliveira, Michelle, Choti, Michael, Ghanem, Roger, Taylor, Russell, Hager, Gregory, Fichtinger, Gabor, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Larsen, Rasmus, editor, Nielsen, Mads, editor, and Sporring, Jon, editor

Published
2006
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107. C-arm Tracking and Reconstruction Without an External Tracker

Author

Jain, Ameet, Fichtinger, Gabor, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Larsen, Rasmus, editor, Nielsen, Mads, editor, and Sporring, Jon, editor

Published
2006
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108. Design and Validation of an Image-Guided Robot for Small Animal Research

Author

Kazanzides, Peter, Chang, Jenghwa, Iordachita, Iulian, Li, Jack, Ling, C. Clifton, Fichtinger, Gabor, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Larsen, Rasmus, editor, Nielsen, Mads, editor, and Sporring, Jon, editor

Published
2006
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111. Lung Deformation Estimation and Four-Dimensional CT Lung Reconstruction

Author

Xu, Sheng, Taylor, Russell H., Fichtinger, Gabor, Cleary, Kevin, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Duncan, James S., editor, and Gerig, Guido, editor

Published
2005
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112. Real-Time Quality Control of Tracked Ultrasound

Author

Boctor, Emad M., Iordachita, Iulian, Fichtinger, Gabor, Hager, Gregory D., Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Duncan, James S., editor, and Gerig, Guido, editor

Published
2005
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113. C-arm Calibration – Is it Really Necessary?

Author

Jain, Ameet, Kon, Ryan, Zhou, Yu, Fichtinger, Gabor, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Duncan, James S., editor, and Gerig, Guido, editor

Published
2005
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114. SlicerHeart: An open-source computing platform for cardiac image analysis and modeling

Author

Lasso, Andras, primary, Herz, Christian, additional, Nam, Hannah, additional, Cianciulli, Alana, additional, Pieper, Steve, additional, Drouin, Simon, additional, Pinter, Csaba, additional, St-Onge, Samuelle, additional, Vigil, Chad, additional, Ching, Stephen, additional, Sunderland, Kyle, additional, Fichtinger, Gabor, additional, Kikinis, Ron, additional, and Jolley, Matthew A., additional

Published
2022
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122. Needle Insertion in CT Scanner with Image Overlay – Cadaver Studies

Author

Fichtinger, Gabor, Deguet, Anton, Masamune, Ken, Balogh, Emese, Fischer, Gregory, Mathieu, Herve, Taylor, Russell H., Fayad, Laura M., Zinreich, S. James, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Barillot, Christian, editor, Haynor, David R., editor, and Hellier, Pierre, editor

Published
2004
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123. Immediate Ultrasound Calibration with Three Poses and Minimal Image Processing

Author

Viswanathan, Anand, Boctor, Emad M., Taylor, Russell H., Hager, Gregory, Fichtinger, Gabor, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Barillot, Christian, editor, Haynor, David R., editor, and Hellier, Pierre, editor

Published
2004
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124. Robotic Strain Imaging for Monitoring Thermal Ablation of Liver

Author

Boctor, Emad M., Fichtinger, Gabor, Yeung, Ambert, Awad, Michael, Taylor, Russell H., Choti, Michael A., Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Barillot, Christian, editor, Haynor, David R., editor, and Hellier, Pierre, editor

Published
2004
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125. Visualization, Planning, and Monitoring Software for MRI-Guided Prostate Intervention Robot

Author

Balogh, Emese, Deguet, Anton, Susil, Robert C., Krieger, Axel, Viswanathan, Anand, Ménard, Cynthia, Coleman, Jonathan A., Fichtinger, Gabor, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Barillot, Christian, editor, Haynor, David R., editor, and Hellier, Pierre, editor

Published
2004
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131. Tissue segmentation for workflow recognition in open inguinal hernia repair training

Author

Klosa, Elizabeth, Hisey, Rebecca, Nazari, Tahmina, Wiggers, Theo, Zevin, Boris, Ungi, Tamas, Fichtinger, Gabor, Linte, Cristian A., Siewerdsen, Jeffrey H., and Surgery

Abstract

PURPOSE: As medical education adopts a competency-based training method, experts are spending substantial amounts of time instructing and assessing trainees' competence. In this study, we look to develop a computer-assisted training platform that can provide instruction and assessment of open inguinal hernia repairs without needing an expert observer. We recognize workflow tasks based on the tool-tissue interactions, suggesting that we first need a method to identify tissues. This study aims to train a neural network in identifying tissues in a low-cost phantom as we work towards identifying the tool-tissue interactions needed for task recognition. METHODS: Eight simulated tissues were segmented throughout five videos from experienced surgeons who performed open inguinal hernia repairs on phantoms. A U-Net was trained using leave-one-user-out cross validation. The average F-score, false positive rate and false negative rate were calculated for each tissue to evaluate the U-Net's performance. RESULTS: Higher F-scores and lower false negative and positive rates were recorded for the skin, hernia sac, spermatic cord, and nerves, while slightly lower metrics were recorded for the subcutaneous tissue, Scarpa's fascia, external oblique aponeurosis and superficial epigastric vessels. CONCLUSION: The U-Net performed better in recognizing tissues that were relatively larger in size and more prevalent, while struggling to recognize smaller tissues only briefly visible. Since workflow recognition does not require perfect segmentation, we believe our U-Net is sufficient in recognizing the tissues of an inguinal hernia repair phantom. Future studies will explore combining our segmentation U-Net with tool detection as we work towards workflow recognition.

Published
2022
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132. SlicerHeart: An open-source computing platform for cardiac image analysis and modeling

Author

Lasso, Andras, Herz, Christian, Nam, Hannah, Cianciulli, Alana, Pieper, Steve, Drouin, Simon, Pinter, Csaba, St-Onge, Samuelle, Vigil, Chad, Ching, Stephen, Sunderland, Kyle, Fichtinger, Gabor, Kikinis, Ron, Jolley, Matthew A., Lasso, Andras, Herz, Christian, Nam, Hannah, Cianciulli, Alana, Pieper, Steve, Drouin, Simon, Pinter, Csaba, St-Onge, Samuelle, Vigil, Chad, Ching, Stephen, Sunderland, Kyle, Fichtinger, Gabor, Kikinis, Ron, and Jolley, Matthew A.

Abstract

Cardiovascular disease is a significant cause of morbidity and mortality in the developed world. 3D imaging of the heart’s structure is critical to the understanding and treatment of cardiovascular disease. However, open-source tools for image analysis of cardiac images, particularly 3D echocardiographic (3DE) data, are limited. We describe the rationale, development, implementation, and application of SlicerHeart, a cardiac-focused toolkit for image analysis built upon 3D Slicer, an open- source image computing platform. We designed and implemented multiple Python scripted modules within 3D Slicer to import, register, and view 3DE data, including new code to volume render and crop 3DE. In addition, we developed dedicated workflows for the modeling and quantitative analysis of multi-modality image-derived heart models, including heart valves. Finally, we created and integrated new functionality to facilitate the planning of cardiac interventions and surgery. We demonstrate application of SlicerHeart to a diverse range of cardiovascular modeling and simulation including volume rendering of 3DE images, mitral valve modeling, transcatheter device modeling, and planning of complex surgical intervention such as cardiac ba e creation. SlicerHeart is an evolving open-source image processing platform based on 3D Slicer initiated to support the investigation and treatment of congenital heart disease. The technology in SlicerHeart provides a robust foundation for 3D image-based investigation in cardiovascular medicine.

Published
2022

146. Bone Enhancement in Ultrasound Based on 3D Local Spectrum Variation for Percutaneous Scaphoid Fracture Fixation

Author

Anas, Emran Mohammad Abu, primary, Seitel, Alexander, additional, Rasoulian, Abtin, additional, John, Paul St., additional, Ungi, Tamas, additional, Lasso, Andras, additional, Darras, Kathryn, additional, Wilson, David, additional, Lessoway, Victoria A., additional, Fichtinger, Gabor, additional, Zec, Michelle, additional, Pichora, David, additional, Mousavi, Parvin, additional, Rohling, Robert, additional, and Abolmaesumi, Purang, additional

Published
2016
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