Dr. Friedrich Semturs Profile

Dr. Friedrich Semturs

at Medizinische Univ Wien

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Author

Publications (10)

Proceedings Article | 16 March 2020 Presentation + Paper

Equivalent breast thickness and dose sensitivity of a next iteration 3D structured breast phantom with lesion models

Elisabeth Salomon, Friedrich Semturs, Ewald Unger, Lesley Cockmartin, Dimitar Petrov, Liesbeth Vancoillie, Michael Figl, Hilde Bosmans, Johann Hummel

Proceedings Volume 11312, 113120K (2020) https://doi.org/10.1117/12.2548956

KEYWORDS: Breast, 3D modeling, Polymethylmethacrylate, Digital breast tomosynthesis, Signal attenuation, Tissues, Target detection, Liquids, Photography, Quality measurement

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Proceedings Article | 1 March 2019 Paper

A new test method to assess the representation of spiculated mass like targets in digital mammography and breast tomosynthesis

Elisabeth Salomon, Friedrich Semturs, Lesley Cockmartin, Michael Figl, Hilde Bosmans, Johann Hummel

Proceedings Volume 10948, 109483Y (2019) https://doi.org/10.1117/12.2513464

KEYWORDS: Breast, Visibility, Digital breast tomosynthesis, 3D printing

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Proceedings Article | 24 March 2016 Paper

New conversion factors between human and automatic readouts of the CDMAM phantom for CR systems

Johann Hummel, Peter Homolka, Angelika Osanna-Elliot, Marcus Kaar, Friedrich Semtrus, Michael Figl

Proceedings Volume 9787, 97871H (2016) https://doi.org/10.1117/12.2216694

KEYWORDS: Mammography, Image quality, Control systems, Radiography, Computing systems, Breast cancer, Medical imaging, Point spread functions, Image analysis

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Proceedings Article | 18 March 2015 Paper

Signal uniformity of mammography systems and its impact on test results from contrast detail phantoms

M. Kaar, F. Semturs, J. Hummel, R. Hoffmann, M. Figl

Proceedings Volume 9412, 941249 (2015) https://doi.org/10.1117/12.2082180

KEYWORDS: Signal to noise ratio, Mammography, Chromium, Radiography, Image quality, Computing systems, Chest, Systems modeling, Nipple, Manufacturing

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Proceedings Article | 18 March 2015 Paper

Comparison of two CDMAM generations with respect to dose sensitivity

Johann Hummel, Marcus Kaar, Marianne Floor, Roeland van der Burght, Friedrich Semturs, Michael Figl

Proceedings Volume 9412, 94125H (2015) https://doi.org/10.1117/12.2081900

KEYWORDS: Image quality, Gold, Mammography, Image analysis, Medical imaging, Control systems, Digital mammography, Medical physics, Biomedical engineering, Physics

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Proceedings Article | 20 March 2014 Paper

Quality assurance for ultrasound scanners using a durable tissue-mimicking phantom and radial MTF

Marcus Kaar, Friedrich Semturs, Michael Figl, Rainer Hoffmann, Johann Hummel

Proceedings Volume 9040, 90401C (2014) https://doi.org/10.1117/12.2042476

KEYWORDS: Modulation transfer functions, Ultrasonography, Tissues, Scanners, Spatial resolution, Algorithm development, Detection and tracking algorithms, Image resolution, Signal attenuation, Diagnostics

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Proceedings Article | 19 March 2014 Paper

Spectrum optimization for computed radiography systems

Johann Hummel, Friedrich Semturs, Marcus Kaar, Peter Homolka, Michael Figl

Proceedings Volume 9033, 903349 (2014) https://doi.org/10.1117/12.2044042

KEYWORDS: Image quality, Computing systems, Radiography, Breast, Chromium, Imaging systems, Polymethylmethacrylate, Image quality standards, Signal to noise ratio, Absorption

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Proceedings Article | 3 March 2012 Paper

Dose sensitivity of three methods of image quality assessment in digital mammography

Johann Hummel, Marcus Kaar, Rainer Hoffmann, Heinrich Kaldarar, Friedrich Semturs, Peter Homolka, Michael Figl

Proceedings Volume 8313, 83134K (2012) https://doi.org/10.1117/12.910917

KEYWORDS: Image quality, Spatial frequencies, Digital mammography, Image quality standards, Mammography, Modulation transfer functions, Gold, Image analysis, Polymethylmethacrylate, Radiology

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Proceedings Article | 17 March 2011 Paper

Factors for conversion between human and automatic read-outs of CDMAM images

Johann Hummel, Marcus Kaar, Rainer Hoffmann, Friedrich Semturs, Natasa Brasik, Peter Homolka, Michael Figl

Proceedings Volume 7961, 796154 (2011) https://doi.org/10.1117/12.878026

KEYWORDS: Gold, Image quality, Data conversion, Absorption, Mammography, Digital mammography, Breast, Photons, Radiography, Control systems

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Proceedings Article | 23 March 2010 Paper

Determination of mass attenuation coefficients for threshold contrast evaluation in digital mammography

Johann Hummel, Friedrich Semturs, Susanne Menhart, Michael Figl

Proceedings Volume 7622, 762242 (2010) https://doi.org/10.1117/12.844483

KEYWORDS: Gold, Image quality, Mass attenuation coefficient, Digital mammography, Image quality standards, Visibility, Absorption, Breast, Aluminum, Image analysis

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Showing 5 of 10 publications

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