Abstract
Two main engineering solutions have been developed to allow integration of two-dimensional (2D) sectional images into 3D volume data: motorized acquisition and external electromagnetic position sensors. A simplified technique is the freehand acquisition of volumes without any reference to transducer position. In essence, this means that a cineloop of images is collated to form a volume dataset; because the system has no information on transducer position relative to the insonated tissues, measurements on volume data are impossible. Nevertheless, qualitative information may be obtained, and such systems have been used for clinical research in urogynecology.1
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Dietz, H.P. (2008). 3D/4D Imaging: Technical Overview and Basic Methodology. In: Atlas of Pelvic Floor Ultrasound. Springer, London. https://doi.org/10.1007/978-1-84628-584-4_3
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DOI: https://doi.org/10.1007/978-1-84628-584-4_3
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