Principles of Digital X-ray Imaging

Principle

With digital X-ray imaging, X-ray photons that interact with the detector are converted to a digital signal. This permits to record digital radiographies. With this experiment, the principles of digital detectors for X-ray imaging are laid out.

Tasks

1. Define a good exposure time.
2. Calibrate the detector
3. Take some radiographies of an object and process the images with the image viewer

Learning objectives

• Exposure time
• Detector saturation
• Full well capacity
• Detector calibration
• Beam intensity
• Detector offset
• Pixel specific gain
• Attenuation and transmission
• Image processing