YY/T 1407-2016Performance characteristics and test methods of image system for radiotherapy simulator (English PDF)

National Standard of the People's Republic of China

ICS

11.040.60

Classification

C 43

Issued by: National Medical Products Administration of the People's Republic of China

Contents

• Preface
• 1 Scope
• 2 normative reference document
• 3 Terms and definitions
• 4.1 Classification
• 4.2 Composition
• 5 request
• 5.1.1 useful field size
• 5.1.2 image distortion
• 5.1.3 line to resolution
• 5.1.4 Low contrast resolution
• 5.1.5 image grayscale authentication level
• 5.1.6 Image brightness stability
• 5.1.7 Image response time
• 5.1.8 X-ray image intensifier perspective of the incident surface of the air than the kinetic energy
• 5.1.9 X-ray image intensifier perspective incidence of air than the kinetic energy
• 5.2.1 Pixel matrix and pixel pitch
• 5.2.2 frame rate
• 5.2.3 Line resolution
• 5.2.4 Low contrast resolution
• 5.2.5 image grayscale authentication level
• 5.2.6 Image brightness stability
• 5.2.7 Image uniformity
• 5.2.8 Effective imaging area
• 5.2.9 Geometric distortion of image
• 5.3 Image format
• 6 Test Method
• 6.1 Simulator imaging performance using X-ray image intensifier
• 6.1.1 useful field size
• 6.1.2 Image distortion
• 6.1.3 Line resolution
• 6.1.4 Low contrast resolution
• 6.1.5 Image grayscale authentication level
• 6.1.6 Image brightness stability
• 6.1.7 Image response time
• 6.1.8 X-ray image intensifier perspective of the incident surface of the air than the kinetic energy
• 6.1.9 X-ray image intensifier perspective incident air specific kerma rate
• 6.2 Simulator imaging system performance using digital flatbed detectors
• 6.2.1 Pixel matrix and pixel pitch
• 6.2.2 frame rate
• 6.2.3 Line resolution
• 6.2.5 Image grayscale identification level
• 6.2.6 Image brightness stability
• 6.2.7 Image uniformity
• 6.2.8 Effective imaging area
• 6.2.9 Geometric distortion of image
• 6.3 Image format
• Appendix A (informative) Line pair resolution test card
• Appendix B (informative) Low contrast resolution test card
• Appendix C (informative appendix) Image grayscale identification grade test card
• Appendix D (informative) Geometric field size test card