Universität zu Köln

Ahmed, Shamim, Krueger, Marian, Willomitzer, Christian and Abu Zakaria, Golam (2020). Automatic analysis of image quality by ETR-1 for the On-Board Imager. Biomed. Eng.-Biomed. Tech., 65 (1). S. 99 - 106. BERLIN: WALTER DE GRUYTER GMBH. ISSN 1862-278X

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Abstract

The test-plate image of an image quality test tool is processed. The processing is based on quality assurance with the well-established test device ETR-1. A program is developed to analyze the parameters such as contrast, low contrast and resolution automatically. This results in more accurate patient positioning for the On-Board Imager (OBI) system. The contrast and resolution are measured by means of Bresenham's line algorithm. The low contrast is calculated with the help of binary masking. The modulation transfer function (MTF) is also observed for the system. The developed program imports the Digital Imaging and Communications in Medicine (DICOM) image and returns the image parameters. The program can process the ideal image or the less noisy image. The no-rotation-mode or the slight-rotation-mode of the test-plate can be analyzed.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Ahmed, Shamim UNSPECIFIED UNSPECIFIED UNSPECIFIED Krueger, Marian UNSPECIFIED UNSPECIFIED UNSPECIFIED Willomitzer, Christian UNSPECIFIED UNSPECIFIED UNSPECIFIED Abu Zakaria, Golam UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-347788
DOI:	10.1515/bmt-2018-0092
Journal or Publication Title:	Biomed. Eng.-Biomed. Tech.
Volume:	65
Number:	1
Page Range:	S. 99 - 106
Date:	2020
Publisher:	WALTER DE GRUYTER GMBH
Place of Publication:	BERLIN
ISSN:	1862-278X
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language Engineering, Biomedical; Medical Informatics Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/34778