YY/T 0933-2022 Translated English of Chinese Standard (YY/T 0933-2022, YYT0933-2022): Digital medical X-ray image detector used in general radiography
https://www.chinesestandard.net, Mar 1, 2023 - Technology & Engineering - 20 pages
This document specifies the terms and definitions, classification and composition, requirements and test methods for digital medical X-ray image detector used in general radiography (hereinafter referred to as the detector). This document is applicable to detectors with the single-exposure imaging function, which include, but are not limited to: amorphous silicon detectors, amorphous selenium detectors, CCD detectors and CMOS detectors, etc. This document does not apply to detectors for mammography and detectors for dental photography.
able to normally accompanying documentation afterimage Artifact average gray value bad pixel correction bright image central axis coefficient of determination complete the calibration correction and bad dark image detector surface determination R2 Digital Medical X-ray Digital X-ray dose or gray dose value Effective Imaging Area Figure A.1 gain correction GB/T image quality image uniformity layout is shown lead scale linear dose range linear dynamic range load declared manufacturer shall specify maximum linear dose Medical X-ray Image modified modulation transfer function nine sampling areas noise equivalent dose Nyquist frequency otherwise specified partial load photographic film Pitch and Pixel Pixel Matrix Pixel Pitch pixels and calculate portable detectors Power supply conditions quantum detection efficiency quantum noise radiation quality specified Radiography RQA5 standard radiation shown in Figure spatial frequency spatial resolution standard radiation quality Status Indication terms and definitions test card test layout test method tungsten plate Version X-ray Image Detector X-ray tube