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

A. Roche, X. Pennec, G. Malandain, N. Ayache
<span title="">2001</span> <i title="Institute of Electrical and Electronics Engineers (IEEE)"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/yhnt2pif75h2bmnnmdg7m6nlc4" style="color: black;">IEEE Transactions on Medical Imaging</a> </i> &nbsp;
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
more &raquo; ... ndle 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.
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1109/42.959301">doi:10.1109/42.959301</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/11686439">pmid:11686439</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/3tvcq5qy45hgrnntohlrh273ne">fatcat:3tvcq5qy45hgrnntohlrh273ne</a> </span>
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