Concept

Computed tomography of the thyroid

Publications associées (21)

Weighted Shape-Based Averaging With Neighborhood Prior Model for Multiple Atlas Fusion-Based Medical Image Segmentation

Jean-Philippe Thiran, Meritxell Bach Cuadra, Subrahmanyam Venkata Ravi Mohana Sai Gorthi

In medical imaging, merging automated segmentations obtained from multiple atlases has become a standard practice for improving the accuracy. In this letter, we propose two new fusion methods: “Global Weighted Shape-Based Averaging” (GWSBA) and “Local Weig ...

Institute of Electrical and Electronics Engineers2013

Towards higher precision in instrument guided liver surgery: automatic registration of 3D ultrasound with pre-operative MeVis-CT

Delphine Ribes Lemay, Matthias Peterhans

Purpose Liver cancer is the 5 most common cancer and shows poor prognosis. Surgical removal of liver tumours, the only existing curative treatment, can merely be used in 10-20% of the case. Increasing surgical precision is a key-challenge to give more pati ...

2012

Multiscale modeling of lymphatic drainage from tissues using homogenization theory

Melody Swartz

Lymphatic capillary drainage of interstitial fluid under both steady-state and inflammatory conditions is important for tissue fluid balance, cancer metastasis, and immunity. Lymphatic drainage function is critically coupled to the fluid mechanical propert ...

Elsevier2011

Monitoring tumor response to radiation therapy with longitudinal and multimodal molecular imaging

Jessica Perez

Purpose: Metabolic changes induced by radiation therapy (RT) provide a biological measure of tumor response to treatment beyond anatomic changes. In this preclinical study we investigated these changes through longitudinal monitoring of tumor response to v ...

2010

Fast 3D Model Update for the Compensation of Soft Tissue Deformation in Image Guided Liver Surgery

Benoît Dagon

Today, the use of computer assistance to guide surgeon's gestures becomes increasingly common for interventions on rigid organs such as the hips and vertebrae. Guidance information is provided through the representation of the position of surgical instrume ...

EPFL2010

Soft tissue navigation: Transferring pre-operative planning data into the operation room

Charles Baur, Benoît Dagon, Matthias Peterhans

Purpose: Computer-assisted surgery has been established in orthopedic and neurosurgery, and is now becoming available as support for soft tissue surgery. Such technology should bridge the gap between pre-operative imaging and the intra-operative scenario b ...

2009

Complex ambiguity-free Fourier domain optical coherence tomography through transverse scanning

Theo Lasser, Rainer Leitgeb, Roland Michaely

We introduce a simple and cheap method for phase-shifting Fourier domain optical coherence tomography (FDOCT) that does not need additional devices and can easily be implemented. A small beam offset at the fast beam-scanning mirror introduces a causal phas ...

2008

Inverse problems in acoustic tomography

Ivana Jovanovic

Acoustic tomography aims at recovering the unknown parameters that describe a field of interest by studying the physical characteristics of sound propagating through the considered field. The tomographic approach is appealing in that it is non-invasive and ...

EPFL2008

Complex Ambiguity-Free Fourier Domain Optical Coherence Tomography through Transverse Scanning

Theo Lasser, Rainer Leitgeb, Roland Michaely

OSA2007

Tomographie acoustique du Léman

Xavier Falourd

The main objective was to show that the acoustic tomography constitutes a new method to investigate the main hydrodynamical processes of the lake of Geneva. The work is based of the various related fields to the tomography, namely : acoustic wave propagati ...

EPFL2005

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