Automatic measurement of the fetal abdominal section on a portable ultrasound machine for use in low and middle income countries

Naiad Hossain Khan, Eva Tegnander, Johan Morten Dreier, Sturla Eik-Nes, Hans Torp, Gabriel Kiss

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

General pregnancy monitoring with ultrasound includes the measurement of the biparietal diameter (BPD), femur (FL) and the mean abdominal diameter (MAD) of the fetus. This study was aimed to develop an automatic method for localization of the presented section through the abdomen and measurement of MAD. The algorithm may be run on a conventional ultrasound machine or on a tablet-based machine designed to be used in the rural areas of low- and middle-income countries (LMIC). The open source computer vision (OpenCV) library was used to process a B-mode ultrasound image to detect the location of a fetal abdomen. A Kalman based tracker (RCTL, GE Vingmed Ultrasound) was used to converge a deformable circle model along the boundary of the detected abdomen. The mean of the model's major and minor axes was considered as MAD. The method automatically localized the abdomen and measured MAD in 57 of 61 images (93%) collected from 16 - 41-week-old fetuses. The correlation and the error plots between reference and automatic MAD measurements are presented. The correlation coefficient was 0.96, mean error was -0.06 mm and the error range (95% CI) was -14.80 to 14.68 mm. The resulting errors increased with the gestational age (GA) of the fetuses due to inner shadow and lack of edge information. The method was tested to perform well both in a PC and on various mobile devices.

Original languageEnglish (US)
Title of host publication2016 IEEE International Ultrasonics Symposium, IUS 2016
PublisherIEEE Computer Society
ISBN (Electronic)9781467398978
DOIs
StatePublished - Nov 1 2016
Externally publishedYes
Event2016 IEEE International Ultrasonics Symposium, IUS 2016 - Tours, France
Duration: Sep 18 2016Sep 21 2016

Publication series

NameIEEE International Ultrasonics Symposium, IUS
Volume2016-November
ISSN (Print)1948-5719
ISSN (Electronic)1948-5727

Other

Other2016 IEEE International Ultrasonics Symposium, IUS 2016
Country/TerritoryFrance
CityTours
Period9/18/169/21/16

ASJC Scopus subject areas

  • Acoustics and Ultrasonics

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