Abstract
We present an algorithm which combines non-rigid image-based registration and conventionalp osition sensing to correct probe-pressure-induced registration errors in freehand three-dimensional(3D) ultrasound volumes. The local accuracy of image-based registration enables the accurate freehand acquisition of high resolution (> 15MHz) 3D ultrasound data, opening the way for 3D musculoskeletal examinations. External position sensor readings guarantee the large-scale positional accuracy of the data. The algorithm is shown to increase both the clarity and accuracy of reslices through in vivo volumetric data sets.
This work was carried out under EPSRC grant GR/N21062. Dynamic Imaging Ltd. provided a modified ultrasound machine to enable digital data acquisition.
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© 2001 Springer-Verlag Berlin Heidelberg
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Treece, G., Prager, R., Gee, A., Berman, L. (2001). Correction of Probe Pressure Artifacts in Freehand 3D Ultrasound. In: Niessen, W.J., Viergever, M.A. (eds) Medical Image Computing and Computer-Assisted Intervention – MICCAI 2001. MICCAI 2001. Lecture Notes in Computer Science, vol 2208. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-45468-3_34
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DOI: https://doi.org/10.1007/3-540-45468-3_34
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