title: Comparative evaluation of ultrasound scanner accuracy in distance measurement.
abstract: The aim of the present study is to develop and compare two different automatic methods for accuracy evaluation in ultrasound phantom measurements on B-mode images: both of them give as a result the relative error e between measured distances, performed by 14 brand new ultrasound medical scanners, and nominal distances, among nylon wires embedded in a reference test object. The first method is based on a least squares estimation, while the second one applies the mean value of the same distance evaluated at different locations in ultrasound image (same distance method). Results for both of them are proposed and explained.
authors.affiliation: Department of Mechanical and Industrial Engineering, ROMA TRE University, via della Vasca Navale 79∕81, Rome 00146, Italy.
authors.forename: F P
authors.initials: FP
authors.lastname: Branca
authors.forename: S A
authors.initials: SA
authors.lastname: Sciuto
authors.forename: A
authors.initials: A
authors.lastname: Scorza
mesh_terms: D000465:Algorithms; D004867:Equipment Design; D019544:Equipment Failure Analysis / Q000379:methods; D007090:Image Interpretation, Computer-Assisted / Q000379:methods*; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D014463:Ultrasonography / Q000295:instrumentation* / Q000379:methods*