Rigid registration of 3-D ultrasound with MR images: a new approach combining intensity and gradient information. - Archive ouverte HAL Access content directly
Journal Articles IEEE Transactions on Medical Imaging Year : 2001

Rigid registration of 3-D ultrasound with MR images: a new approach combining intensity and gradient information.

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1
Xavier Pennec
Grégoire Malandain
Nicholas Ayache
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Abstract

We present a new image-based technique to rigidly register intraoperative three-dimensional ultrasound (US) with preoperative magnetic resonance (MR) images. Automatic registration is achieved by maximization of a similarity measure which generalizes the correlation ratio, and whose novelty is to incorporate multivariate information from the MR data (intensity and gradient). In addition, the similarity measure is built upon a robust intensity-based distance measure, which makes it possible to handle a variety of US artifacts. A cross-validation study has been carried out using a number of phantom and clinical data. This indicates that the method is quite robust and that the worst registration errors are of the order of the MR image resolution.
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Dates and versions

cea-00333699 , version 1 (23-10-2008)

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Alexis Roche, Xavier Pennec, Grégoire Malandain, Nicholas Ayache. Rigid registration of 3-D ultrasound with MR images: a new approach combining intensity and gradient information.. IEEE Transactions on Medical Imaging, 2001, 20 (10), pp.1038-49. ⟨10.1109/42.959301⟩. ⟨cea-00333699⟩

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