Comparison of Contrast to Noise Ratio and Signal Difference to Noise Ratio Based on QA and QC Guidelines in CR Mammography

The measurement methods of contrast to noise ratio (CNR) and signal difference to noise ratio (SDNR) in digital mammography are different among several quality assurance (QA) guidelines, that is, the type of pixel value (PV), phantom shape, location of aluminum plate, and the size of region of inter...

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Veröffentlicht in:	Japanese Journal of Radiological Technology 2016, Vol.72(6), pp.503-513
Hauptverfasser:	Nagami, Akiko, Ishii, Mie, Ishii, Rie, Kodama, Sayaka, Sanada, Taizo, Yoshida, Akira
Format:	Artikel
Sprache:	eng ; jpn
Schlagworte:	computed radiography contrast to noise ratio digital mammography Guidelines Guidelines as Topic Mammography - standards Mathematical analysis mean glandular dose Measurement methods Molybdenum Noise Phantoms, Imaging Pixels Polymethyl methacrylates Quality assurance Quality Assurance, Health Care Quality Control Radiographic Image Enhancement Rhodium Signal-To-Noise Ratio Tomography, X-Ray Computed
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