NDLI: Radial Basis Function Interpolation for Referenceless Thermometry Enhancement

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Radial Basis Function Interpolation for Referenceless Thermometry Enhancement

Content Provider	Semantic Scholar
Author	Agnello, Luca Militello, Carmelo Gagliardo, Cesare Vitabile, Salvatore
Copyright Year	2015
Abstract	MRgFUS (Magnetic Resonance guided Focused UltraSound) is a new and non-invasive technique to treat different diseases in the oncology field, which uses Focused Ultrasound (FUS) to induce necrosis in the lesion. Temperature change measurements during ultrasound thermo-therapies can be performed through magnetic resonance monitoring by using Proton Resonance Frequency (PRF) thermometry. It measures the phase variation resulting from the temperature-dependent changes in resonance frequency by subtracting one phase baseline image from actual phase. Referenceless thermometry aims to reduce artefacts caused by tissue motion and frequency drift, fitting the background phase outside the heated region. The aim of this contribution is to propose a novel background phase reconstruction method using Radial Basis Function (RBF) interpolation. The effectiveness of the method has been demonstrated by comparing it against the classical PRF shift and polynomial referenceless approach. The comparison evaluates temperature rises in uterine fibroids during MRgFUS treatments on a set of 10 patients.
Starting Page	195
Ending Page	206
Page Count	12
File Format	PDF HTM / HTML
DOI	10.1007/978-3-319-18164-6_19
Alternate Webpage(s)	https://page-one.springer.com/pdf/preview/10.1007/978-3-319-18164-6_19
Alternate Webpage(s)	https://doi.org/10.1007/978-3-319-18164-6_19
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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