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Proceedings Paper

Ultrasound image quality assessment: a framework for evaluation of clinical image quality
Author(s): Martin Christian Hemmsen; Mads Møller Petersen; Svetoslav Ivanov Nikolov; Michael Backmann Nielsen; Jørgen Arendt Jensen
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Paper Abstract

Improvement of ultrasound images should be guided by their diagnostic value. Evaluation of clinical image quality is generally performed subjectively, because objective criteria have not yet been fully developed and accepted for the evaluation of clinical image quality. Based on recommendation 500 from the International Telecommunication Union - Radiocommunication (ITU-R) for such subjective quality assessment, this work presents equipment and a methodology for clinical image quality evaluation for guiding the development of new and improved imaging. The system is based on a BK-Medical 2202 ProFocus scanner equipped with a UA2227 research interface, connected to a PC through X64-CL Express camera link. Data acquisition features subject data recording, loading/saving of exact scanner settings (for later experiment reproducibility), free access to all system parameters for beamformation and is applicable for clinical use. The free access to all system parameters enables the ability to capture standardized images as found in the clinic and experimental data from new processing or beamformation methods. The length of the data sequences is only restricted by the memory of the external PC. Data may be captured interleaved, switching between multiple setups, to maintain identical transducer, scanner, region of interest and recording time on both the experimental- and standardized images. Data storage is approximately 15.1 seconds pr. 3 sec sequence including complete scanner settings and patient information, which is fast enough to get sufficient number of scans under realistic operating conditions, so that statistical evaluation is valid and reliable.

Paper Details

Date Published: 12 March 2010
PDF: 12 pages
Proc. SPIE 7629, Medical Imaging 2010: Ultrasonic Imaging, Tomography, and Therapy, 76290C (12 March 2010); doi: 10.1117/12.840664
Show Author Affiliations
Martin Christian Hemmsen, Technical Univ. of Denmark (Denmark)
BK Medical (Denmark)
Mads Møller Petersen, Rigshospitalet (Denmark)
Svetoslav Ivanov Nikolov, BK Medical (Denmark)
Michael Backmann Nielsen, Rigshospitalet (Denmark)
Jørgen Arendt Jensen, Technical Univ. of Denmark (Denmark)

Published in SPIE Proceedings Vol. 7629:
Medical Imaging 2010: Ultrasonic Imaging, Tomography, and Therapy
Jan D'hooge; Stephen A. McAleavey, Editor(s)

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