1. 1)ICRU REPORT 54: Medical imaging – The assessment of image quality, 1996.
2. 2)International Organization for Standardization(ISO) 9236-1:2004 Photography – Sensitometry of screen/film systems for medical radiography – Part 1: Determination of sensitometric curve shape, speed and average gradient, 2004.
3. 3)International Electrotechnical Commission (IEC) 62494-1 ed1.0 Medical electrical equipment – Exposure index of digital X-ray imaging systems – Part 1: Definitions and requirements for general radiography, 2008.
4. Modulation Transfer Function of Radiographic Systems Using Fluorescent Screens*
5. Detective Quantum Efficiency (DQE) and Noise-Equivalent Number of Quanta (NEQ)