Feasibility of a method for low contrast CT image quality assessment using difference detail curves for abdominal scans

Zeitschrift für Medizinische Physik - Tập 32 - Trang 209-217 - 2022
Christian Sommer1, Ismail Özden2, Mathias S. Weyland1, Carolina Duran1, Gerd Lutters2, Stephan Scheidegger1
1ZHAW School of Engineering, 8401 Winterthur, Switzerland
2Fachstelle Strahlenschutz, Kantonsspital Aarau, 5000 Aarau, Switzerland

Tài liệu tham khảo

Uneri, 2018, Image quality and dose characteristics for an O-arm intraoperative imaging system with model-based image reconstruction, Med Phys, 45, 4857, 10.1002/mp.13167 Martin, 1999, Balancing patient dose and image quality, Appl Radiat Isot, 50, 1, 10.1016/S0969-8043(98)00021-9 Sommer, 2017, Evaluation of low contrast resolution and radiation dose in abdominal CT protocols by a difference detail curve (DDC) method, Curr Direct Biomed Eng, 3, 517, 10.1515/cdbme-2017-0109 Gulliksrud, 2014, How to measure CT image quality: variations in CT-numbers, uniformity and low contrast resolution for a CT quality assurance phantom, Phys Med, 30, 521, 10.1016/j.ejmp.2014.01.006 Annkah, 2014, Assessment of the dosimetric accuracies of CATPhan 504 and CIRS 062 using kV-CBCT for performing direct calculations, J Med Phys, 39, 133, 10.4103/0971-6203.139001 Roth, 2008, 193 Hasegawa, 1982, Problems with contrast-detail curves for CT performance evaluation, Am J Roentgenol, 138, 135, 10.2214/ajr.138.1.135 Task Group 204 AAPM, 2011 International Electrotechnical Commission, 2019 Choe, 2010 Efron, 1993 Krieger, 2013 Wessels, 2009, Medizinische Bildgebung, 1071