Concept

Évaluation ciblée avec échographie en cas de traumatisme

Publications associées (7)

Apodization Scheme for Hardware-Efficient Beamformer

Jean-Philippe Thiran, Giovanni De Micheli, Federico Angiolini, Marcel Arditi, Aya Mohamed Naguib Ahmed Ibrahim

3D ultrasound is an emerging diagnostic technique that extends standard ultrasound imaging by capturing volumes, instead of planes. This brings completely new diagnostic opportunities, among which the possibility of disjoining image acquisition and analysi ...

Ieee2016

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

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

Theo Lasser, Rainer Leitgeb, Roland Michaely

OSA2007

Spatio-Temporal Nonrigid Registration for Ultrasound Cardiac Motion Estimation

Michaël Unser, Michael Sühling

We propose a new spatio-temporal elastic registration algorithm for motion reconstruction from a series of images. The specific application is to estimate displacement fields from two-dimensional ultrasound sequences of the heart. The basic idea is to find ...

IEEE2005

Cardiac Ultrasound Motion Detection by Elastic Registration Exploiting Temporal Coherence

Michaël Unser, Michael Sühling

We propose a new global registration method for estimating the cardiac displacement field in 2D sequences of ultrasound images of the heart. The basic idea is to select a reference frame (e.g., the first image of a cycle) and to map each image in the seque ...

IEEE2002

Four-Dimensional Wavelet Compression of Arbitrarily Sized Echocardiographic Data

Michaël Unser

Wavelet-based methods have become most popular for the compression of two-dimensional medical images and sequences. The standard implementations consider data sizes that are powers of two. There is also a large body of literature treating issues such as th ...

IEEE2002

Cardiac Motion Analysis from Ultrasound Sequences Using Non-Rigid Registration

Michaël Unser

In this article we propose a cardiac motion estimation technique that uses non-rigid registration to compute the dense cardiac displacement field from 2D ultrasound sequences. Our method employs a semi-local deformation model which provides controlled smoo ...

MICCAI2001

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