A real-time realization of an automatic dynamic range adjustment method on a smart mobile device for point-of-care ultrasound imaging

Jee Hoo Kim, Yeonhwa Lee, Jinbum Kang, Yangmo Yoo

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Dynamic range (DR) is one of the most essential parameters that determine the image quality and feature representation in ultrasound B-mode imaging. Thus, the automatic DR adjustment (ADRA) method was previously proposed for reducing user dependency and improving image quality. In this paper, for a smart phone based point-of-care ultrasound imaging system, the real-time realization of the ADRA method on a smart phone using a mobile GPU is presented. The ADRA method was implemented on the NEXUS 4 running on the Android 4.3 by utilizing the several graphics pipelines supported from the OpenGL ES platform. For evaluating the real-time ADRA method, 200 frames of in vivo abdominal data were acquired by a 3.5-MHz convex array transducer from with a commercial ultrasound scanner equipped with a research package (Accuvix V10, Samsung Medison, Seoul, Korea). The GPU-based ADRA method showed the enhanced contrast-to-noise ratio (CNR) compared to the conventional method with a fixed DR value, i.e., 3.89±0.71 vs. 3.35±0.88, respectively. In addition, it showed a higher frame rate (i.e., >60 frames/sec) compared to the CPU-based ADRA method while providing the comparable CNR value. These results indicate that the ADRA method can be successfully supported in the smartphone while improving the image quality with less user dependency.

Original languageEnglish
Title of host publicationIEEE International Ultrasonics Symposium, IUS
PublisherIEEE Computer Society
Pages1229-1232
Number of pages4
ISBN (Electronic)9781479970490
DOIs
StatePublished - 20 Oct 2014
Event2014 IEEE International Ultrasonics Symposium, IUS 2014 - Chicago, United States
Duration: 3 Sep 20146 Sep 2014

Publication series

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

Conference

Conference2014 IEEE International Ultrasonics Symposium, IUS 2014
Country/TerritoryUnited States
CityChicago
Period3/09/146/09/14

Bibliographical note

Publisher Copyright:
© 2014 IEEE.

Keywords

  • Automatic Dynamic Range Adjustment
  • Automatic Image Optimization
  • Dynamic range
  • Point-of-Care Ultrasound

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