Slicer:Feedback - Revision history

Marianna: Protected "Slicer:Feedback" [edit=sysop:move=sysop]

2008-05-20T22:00:35Z

Protected "Slicer:Feedback" [edit=sysop:move=sysop]

Marianna at 22:00, 20 May 2008

2008-05-20T22:00:09Z

Marianna at 21:59, 20 May 2008

2008-05-20T21:59:25Z

Marianna: Replacing page with 'The content of this page has been moved [http://www.slicer.org/pages/Slicer_Community here].'

2008-05-20T21:57:54Z

Replacing page with 'The content of this page has been moved [http://www.slicer.org/pages/Slicer_Community here].'

Show changes

Pkotsas at 17:07, 6 December 2007

2007-12-06T17:07:04Z

Marianna at 17:24, 18 July 2007

2007-07-18T17:24:12Z

Marianna: /* The association of cartilage volume with knee pain */

2007-07-18T17:19:51Z

The association of cartilage volume with knee pain

Marianna: /* Vaginal Thickness, Cross-Sectional Area, and Perimeter in Women with and Those without Prolapse */

2007-07-18T17:19:24Z

Vaginal Thickness, Cross-Sectional Area, and Perimeter in Women with and Those without Prolapse

Marianna: /* Magnetic Resonance Imaging and 3-Dimensional Analysis of External Anal Sphincter Anatomy */

2007-07-18T17:18:58Z

Magnetic Resonance Imaging and 3-Dimensional Analysis of External Anal Sphincter Anatomy

Marianna: /* Quasi-isometric Flattening of Curved Surfaces for Medical Imaging */

2007-07-18T17:17:47Z

Quasi-isometric Flattening of Curved Surfaces for Medical Imaging

← Older revision		Revision as of 22:00, 20 May 2008
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−	<big>'''Note:''' <font color="red">The content of this page has been moved [http://www.slicer.org/pages/Slicer_Community here].~~</font></big>~~	+	<big>'''Note:''' <font color="red">The content of this page has been moved </font></big>[http://www.slicer.org/pages/Slicer_Community here].

← Older revision		Revision as of 21:59, 20 May 2008
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−	The content of this page has been moved [http://www.slicer.org/pages/Slicer_Community here].	+	<big>'''Note:''' <font color="red">The content of this page has been moved [http://www.slicer.org/pages/Slicer_Community here].</font></big>

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 '''Author:''' Panos D. Kotsas
-'''Institution:''' Department of Automated Control and System Engineering, University of Sheffield, UK.
+'''Institution:''' Department of Automated Control and Systems Engineering, University of Sheffield, UK.
 '''Background/Purpose:''' This research deals with the application of a signal intensity independent registration criterion for 2D rigid body registration of medical images using 1D binary projections. The criterion is defined as the weighted ratio of two projections. The ratio is computed on a pixel per pixel basis and weighting is performed by setting the ratios between one and zero pixels to a standard high value. The mean squared value of the weighted ratio is computed over the union of the one areas of the two projections and it is minimized using the Chebyshev polynomial approximation using n=5 points. The sum of x and y parallel projections is used for translational adjustment and a range of parallel projections between 40-50 deg (depending on the orientation of the image) for rotational adjustment. MR-MR registration experiments were performed and gave mean errors well below 1deg and 1 pixel (0.12 deg and 0.47 pixels for the example given in Enformatika Publication). The method is to be extended for surface matching.

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 === <font color=green>Morphology, constraints, and scaling of frontal sinuses in the hartebeest, Alcelaphus buselaphus (Mammalia: Artiodactlya, Bovidae)</font>===
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 === <font color=green>3D Multiscale Agent-Based Cancer Model Using MR-Imaging Data</font> ===
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 ===<font color=green>Image Registered FAST (IRFAST) for Combat Casualty Triage</font>===
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 === <font color=green>A Preliminary Study on the Relationship between Nasal Cavity and Maxillary Sinus Volumes</font>===
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 === <font color=green>Registered, Sensor-Integrated Virtual Reality for Surgical Applications</font>===
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 === <font color=green>A Comparison of Upper Airway Structures in Male and Female Obstructive Sleep Apnoea (OSA) Patients</font> ===
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 ===<font color=green>A 3D Model Simulating Sediment Transport, Erosion and Deposition within a Network of Channel Belts and an Associated Floodplain</font>===
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 === <font color=green>Preliminary Study on Digitized Nasal and Temporal Bone Anatomy</font>===
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 ===<font color=green>Appearance of the Levator Ani Muscle Subdivisions in Magnetic Resonance Images</font>===
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 === <font color=green>Habitual Use of the Primate Forelimb is Reflected in the Material Properties of Subchondral Bone in the Distal Radius</font> ===
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 === <font color=green>Molecular Diffusion in MRI: Technical Application of Fiber Tracking</font> ===
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 === <font color=green>Range of Curvilinear Distraction Devices Required for Treatment of Mandibular Deformities</font> ===
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 === <font color=green>Measurement of the Pubic Portion of the Levator ani Muscle in Women with Unilateral Defects in 3D Models from MR Images</font> ===
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 === <font color=green>Atlas Guided Identiﬁcation of Brain Structures by Combining 3D Segmentation and SVM Classiﬁcation</font> ===
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 === <font color=green>Development of a CAD (Computer Assisted Detection) System to Detect Lung Nodules in CT Scans</font> ===
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 === <font color=green>Dynamic Simulation of Joints Using Multi-Scale Modeling</font> ===
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 === <font color=green>Quasi-isometric Flattening of Curved Surfaces for Medical Imaging</font> ===
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 === <font color=green>A Translation Station for Imaging</font> ===
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 === <font color=green>Preliminary Study on Digitized Nasal and Temporal Bone Anatomy</font> ===
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 === <font color=green>A ceratopsid dinosaur parietal from New Mexico and its implications for ceratopsid biogeography and systematics</font>===
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 === <font color=green>Vaginal Thickness, Cross-Sectional Area, and Perimeter in Women with and Those without Prolapse</font> ===
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 === <font color=green>Open-configuration MR-guided Microwave Thermocoagulation Therapy for Metastatic Liver Tumors from Breast Cancer</font> ===
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 ===<font color=green>The association of cartilage volume with knee pain</font>===
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 ===<font color=green>Genetic contribution to cartilage volume in women: a classical twin study</font>===

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 '''Background/Purpose:''' Whilst the characteristic pathologic feature of OA is the loss of hyaline cartilage, prior studies have demonstrated a poor relationship between severity of reported knee pain and degree of radiographic change. The aim of this study was to examine the association between knee symptoms and MRI cartilage volume. DESIGN: A cross-sectional study was performed to assess the association between knee symptoms and MRI cartilage volume in an unselected, community based population. The subjects were 133 postmenopausal females. The subjects had a T2-weighted fat saturated sagittal gradient-echo MRI performed of their right knee. Femoral, tibial and patella cartilage volumes were measured using three-dimensional '''3D Slicer''', a software that facilitates semi-automatic segmentation, generation of 3D surface models and quantitative analysis. Qualitative data relating to symptoms, stiffness, pain, physical dysfunction and the quality of life using the WOMAC were recorded. The statistical analyses conducted to determine measures of association between knee pain/symptoms and cartilage volume were correlation, multiple regression and inter-quartile regression. RESULTS: Assessment of the association between patella cartilage volume and the WOMAC domains showed an inverse relationship between patella cartilage volume and pain, function and global score in a model including body mass index, physical activity and leg extensor power (all P=0.01). Inter-quartile regression comparing the lowest 25% with highest 25% patella cartilage volume demonstrated a stronger inverse relationship (P=0.005). CONCLUSION: This study suggests that alterations in patella volume are associated with pain, function and global scores of the WOMAC. In participants with more knee pain, there was an association with severity of patella cartilage reduction. Other MRI cartilage volume features were not strongly associated with WOMAC sub-scores.
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 ===<font color=green>Genetic contribution to cartilage volume in women: a classical twin study</font>===

← Older revision	Revision as of 22:00, 20 May 2008
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 '''Grant Support:'''
 * NIH R01 HD038665
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← Older revision		Revision as of 17:18, 18 July 2007
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	=== <font color=green>A ceratopsid dinosaur parietal from New Mexico and its implications for ceratopsid biogeography and systematics</font>===		=== <font color=green>A ceratopsid dinosaur parietal from New Mexico and its implications for ceratopsid biogeography and systematics</font>===

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 * Viterbi Post Doc. fellowship Ollendorf Minerva Center Fund
 * Technion V.P. Fund for Promotion of Research at the Technion
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 === <font color=green>A Translation Station for Imaging</font> ===