This paper presents a new method of estimating the distance between regularly-spaced coherent scatterers within soft tissue from backscattered radio-frequency (RF) signals. Periodic components in the RF signal manifest themselves as peaks in the quefrency (cepstral) domain. Using simulation data, we show that these peaks are easier to detect using the complex cepstrum rather than the commonly used power cepstrum. Similar improvements are seen using phantom and in vivo liver data.
CITATION STYLE
Mia, R. S., Loew, M. H., Wear, K. A., & Wagner, R. F. (1997). Quantitative estimation of scatterer spacing from backscattered ultrasound signals using the complex cepstrum. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 1230, pp. 513–518). Springer Verlag. https://doi.org/10.1007/3-540-63046-5_52
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