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- An Interactive Virtual Endoscopy Tool
- This paper presents the design and implementation of a 3D Virtual Endoscopy system for facilitating diagnostic and surgical planning phases of endoscopic procedures. The system allows the user to interactively explore the internal surface of a 3D patient-specific anatomical model and to create and update a fly-through trajectory through the...
- White papers
- 3D Slicer
- To be applied to practical clinical research problems, medical image computing software requires infrastructure including routines to read and write various file formats, manipulate 2D and 3D coordinate systems, and present a consistent user interface paradigm and visualization metaphor. At the same time, research software needs to be flexible to...
- White papers 2004-02-13
- A Limited Range of Measures of 2-D Ultrasound Correlate With 3-D MRI Cerebral Volumes in the Premature Infant at Term
- Two-dimensional (2-D) cranial ultrasound US is the principal method for the detection of cerebral injury in the newborn. The aim of this paper was to compare 2-D sonographic methods with more advanced 3-D magnetic resonance imaging MRI for assessing brain structure. From July 1998 to November 2000, they conducted a...
- White papers 2004-02-05
- Multiscale Segmentation of the Aorta in 3D Ultrasound Images
- Fast, reliable segmentation of the abdominal aorta from three dimensional ultrasound remains a difficult problem. Standard methods based on local information like thresholding, region growing or active contours fail in separating the arteries from the veins and suffer from the lack of homogeneity of the vessel intensity and from the...
- White papers 2003-05-16
- Magnetic Resonance Imaging Based Three-Dimensional Modeling of a Complex Vulvar Tumor as a Component of Presurgical Planning
- This paper is on the pre-surgical evaluation of an aggressive vulvar angiomyxoma using MR based three-dimensional (3D) modeling. A graphics computer was used to outline the tumor and other soft tissue structures on axial T2-weighted MR images of the pelvic floor. Specialized software was then applied to the edited images...
- White papers 2003-04-17
- 3-D Modeling and Virtual Endoscopy of the Small Bowel Based on MR Imaging in Patients With Inflammatory Bowel Disease
- Small bowel MRI Magnetic Resonance Imaging is a new imaging modality which excellently depicts small intestine pathology in patients with inflammatory bowel disease. Virtual endoscopy based on sectional imaging is a recently introduced technique to create endoscopy like views. The aim of this study was to evaluate the feasibility of...
- White papers 2003-01-12
- Flux-based Anisotropic Diffusion Applied to Enhancement of 3D Angiograms
- This paper presents a new approach to anisotropic diffusion based on a multi-directional diffusion flux. The diffusion flux is decomposed in an orthogonal basis, effectively enabling enhancement of contours as well as diffusion along the contours. To this end, they have selected a 3D basis that depicts the directions of...
- White papers 2002-11-01
- Model-Based 3D Tracking of Cardiac Motion in HARP Images
- This paper presents an automated method for tracking 3D motion in planar tagged MRI. First, displacement between successive 2D image frames is estimated from their local phase, also known as HARP. The displacement estimates then drive a 3D finite element model which tracks systolic motion. The 3D model allows for...
- White papers 2002-07-19
- In-Utero Three-Dimensional Magnetic Resonance Imaging of Fetal Brains
- This paper provides details by assessing ten prenatal magnetic resonance imaging MRI scans for fetal brain anomalies, and identified eight that were suitable for post-processing. Anatomical abnormalities were assessed on the three-dimensional (3D) models and compared with two-dimensional (2D) imaging findings. It calculated the volume of the intracranial ventricles and...
- White papers 2001-04-14
- Correlation of 2D Reconstructed High Resolution CT Data of the Temporal Bone and Adjacent Structures to 3D Images
- The temporal bone anatomy is difficult to comprehend by looking at cross-sectional CT-images alone. 3D-visualization can help to understand the spatial relationship of the bony parts of the skull base, nerve structures and the middle and inner ear. 2D-images, however, often reflect the anatomy more accurately as some detail is...
- White papers 2001-04-12
- Nondistorting Flattening Maps and the 3D Visualization of Colon CT Images
- This paper considers a novel 3D visualization technique based on surface attening for virtual colonoscopy. Such visualization methods could be important in virtual colonoscopy since they have the potential for non-invasively determining the presence of polyps and other pathologies. Further, it demonstrates a method which presents a surface scan of...
- White papers 2001-02-01
- A 3-D System for Planning and Simulating Minimally-Invasive Distraction Osteogenesis of the Facial Skeleton
- Three-dimensional planning tools will enable the use of minimally-invasive distraction osteogenesis for the correction of cranio-maxillofacial deformities by simulating treatment, precisely quantifying movement vectors, and aiding pre and post-treatment evaluation. Current techniques extrapolate 3D surgical movements and outcomes based on standard 2D radiographs. Surgical planning and outcome evaluation would be...
- White papers 2001-01-30
- Nonrigid Registration of 3D Scalar, Vector and Tensor Medical Data
- New medical imaging modalities offering multi-valued data, such as phase contrast MRA and diffusion tensor MRI require general representations for the development of automatized algorithms. In this paper we propose a unified framework for the registration of medical volumetric multi-valued data. The paper extends the usual concept of similarity in...
- White papers 2000-08-04
- Nondistorting Flattening for Virtual Colonoscopy
- This paper considers a novel 3D visualization technique based on surface attuning for virtual colonoscopy. Such visualization methods could be important in virtual colonoscopy since they have the potential for non-invasively determining the presence of polyps and other pathologies. Further, this paper demonstrate a method which presents a surface scan...
- White papers 2000-04-19
Additional Resources
- Gordon Harris, Ph.D. Joins Fovia's Advisory Board
- Fovia Medical, Inc., a world leader in volumerendering technology, today announced that Gordon Harris, Ph.D., Directorof the 3D Imaging Service and the Radiology Computer Aided DiagnosticsLaboratory at the Massachusetts General Hospital, and an AssociateProfessor of Radiology at Harvard Medical School, has joined the company'sMedical Advisory Board. "We are very excited...
- Articles 2007-11-19
- Bain & Company Adds New Dimension to Recruiting from Top U.S. Business Schools
- Summer Internship Candidates from Harvard, MIT, Chicago, Northwestern, Columbia and Virginia Are First to Benefit from Bain's 3D Virtual Recruiting Center in Second Life[R] NEW YORK -- Embarking on a "3D virtual world" pilot project which could foreshadow major changes in corporate recruiting practices at colleges and universities,...
- Articles 2007-03-21
- Civilization and its discontents
- BF173 2004-027112 0-393-05995-2 Civilization and its discontents. Freud, Sigmund. Trans. by James Strachey. Intro. by Louis Menand. W.W. Norton, [c]2005 192 p. $19.95 **** A previous edition of this book is cited in Books...
- Articles 2005-06-01
- Major General Hilding L. Jacobson Jr
- MAJOR GENERAL HILDING L. JACOBSON JR. Retired May 1, 1978. Major General Hilding L. Jacobson Jr., is commander of the 3d Air Division, Strategic Air Command, Andersen Air Force Base, Guam. He is responsible for all Strategic Air Command operations in the Western Pacific and Southeast...
- Articles 2004-01-01
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