CUED Publications database

A clinical system for three-dimensional extended-field-of-view ultrasound.

Dyer, E and Zeeshan Ijaz, U and Housden, R and Prager, R and Gee, A and Treece, G (2012) A clinical system for three-dimensional extended-field-of-view ultrasound. Br J Radiol, 85. e919-e924.

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Abstract

OBJECTIVE: This work is concerned with the creation of three-dimensional (3D) extended-field-of-view ultrasound from a set of volumes acquired using a mechanically swept 3D probe. 3D volumes of ultrasound data can be registered by attaching a position sensor to the probe; this can be an inconvenience in a clinical setting. A position sensor can also cause some misalignment due to patient movement and respiratory motion. We propose a combination of three-degrees-of-freedom image registration and an unobtrusively integrated inertial sensor for measuring orientation. The aim of this research is to produce a reliable and portable ultrasound system that is able to register 3D volumes quickly, making it suitable for clinical use. METHOD: As part of a feasibility study we recruited 28 pregnant females attending for routine obstetric scans to undergo 3D extended-field-of-view ultrasound. A total of 49 data sets were recorded. Each registered data set was assessed for correct alignment of each volume by two independent observers. RESULTS: In 77-83% of the data sets more than four consecutive volumes registered. The successful registration relies on good overlap between volumes and is adversely affected by advancing gestational age and foetal movement. CONCLUSION: The development of reliable 3D extended-field-of-view ultrasound may help ultrasound practitioners to demonstrate the anatomical relation of pathology and provide a convenient way to store data.

Item Type: Article
Uncontrolled Keywords: Adolescent Adult Algorithms Equipment Design Feasibility Studies Female Humans Imaging, Three-Dimensional Pregnancy Ultrasonography, Prenatal User-Computer Interface Young Adult
Subjects: UNSPECIFIED
Divisions: Div F > Machine Intelligence
Depositing User: Cron job
Date Deposited: 16 Jul 2015 13:06
Last Modified: 30 Aug 2015 02:54
DOI: 10.1259/bjr/46007369