Lança, LuísSilva, Augusto2012-11-152012-11-152013Lança L, Silva A. Image quality in diagnostic radiology. In Lança L, Silva A. Digital imaging systems for plain radiography. New York: Springer; 2013. p. 63-77.978-1-4614-5067-2http://hdl.handle.net/10400.21/1936This chapter provides a theoretical background about image quality in diagnostic radiology. Digital image representation and also image quality evaluation methods are here discussed. An overview of methods for quality evaluation of diagnostic imaging procedures is provided. Digital image representation and primary physical image quality parameters are also discussed, including objective image quality measurements and observer performance methods.engRadiologiaRadiologyImage qualityDiagnostic radiologyImage representationEvaluation methodsImaging proceduresPrimary physical imageQuality parametersObjective image qualityObserver performance methodsbook part