title: Comparison of the Faran Cylinder Model and the Weak Scattering Model for predicting the frequency dependence of backscatter from human cancellous femur in vitro.
abstract: This letter presents the first side-by-side comparison of the Faran Cylinder Model and the Weak Scattering Model for predicting backscatter from human femur. Both models are applied to the same dataset of frequency-dependent backscatter coefficients from 26 human femur cancellous bone samples in vitro. The Faran Cylinder Model predicts a slightly slower rate of increase of backscatter with frequency than the Weak Scattering Model, but both models are in reasonable agreement with the data and with each other, given the uncertainty in the measurements.
authors.affiliation: Center for Devices and Radiological Health, U.S. Food and Drug Administration, Silver Spring, Maryland 20993, USA.
authors.forename: Keith A
authors.initials: KA
authors.lastname: Wear
authors.forename: Frederic
authors.initials: F
authors.lastname: Padilla
authors.forename: Pascal
authors.initials: P
authors.lastname: Laugier
mesh_terms: D002102:Cadaver; D005269:Femur / Q000000981:diagnostic imaging*; D005583:Fourier Analysis; D006801:Humans; D007090:Image Interpretation, Computer-Assisted; D021621:Imaging, Three-Dimensional; D008954:Models, Biological; D012542:Scattering, Radiation; D017356:Synchrotrons; D014463:Ultrasonography; D055114:X-Ray Microtomography