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Quantitative Comparison of 3D Freehand Ultrasound and MRI Images of the Neonatal Brain

Martin Blanchard Matthieu Martin Philippe Quetin Philippe Delachartre 1
1 Imagerie Ultrasonore
CREATIS - Centre de Recherche en Acquisition et Traitement de l'Image pour la Santé
Abstract : Premature neonates' care can be improved by a quantitative evaluation of brain structures. In current clinical practice, first-line diagnosis is done qualitatively with 2D cranial ultrasonography (cUS) images. These patients would benefit from an evolution to a quantitative analysis based on 3D cUS. A way to obtain high quality 3D cUS images is to use a reconstruction algorithm based on the clinician acquisition motion. In this paper we assess the accuracy of such reconstruction by comparing brain structures between MRI and 3D renconstructed cUS. This comparison was performed based on manual contours, we obtained a mean Dice value of 0.72 ± 0.05 for thalami and ventricles and a mean volume error of 10 ± 5.7%. In addition, the contour interpolation method that we used significantly improved Dice and volume error compared to nearest neighbor approach.
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https://hal.archives-ouvertes.fr/hal-03148335
Contributor : Philippe Delachartre <>
Submitted on : Monday, February 22, 2021 - 10:48:11 AM
Last modification on : Thursday, March 18, 2021 - 10:44:21 AM

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Martin Blanchard, Matthieu Martin, Philippe Quetin, Philippe Delachartre. Quantitative Comparison of 3D Freehand Ultrasound and MRI Images of the Neonatal Brain. 2020 IEEE International Ultrasonics Symposium (IUS), Sep 2020, Las Vegas (virtual), United States. ⟨10.1109/IUS46767.2020.9251324⟩. ⟨hal-03148335⟩

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