An instantaneous digital radiographic image is created using digital radiography (DR), an enhanced method of x-ray inspection. With this method, data is recorded while an object is being examined using X-ray-sensitive plates, and it is then instantly transferred to a computer without the necessity of a middle cassette. Through the use of a detector sensor, the incident x-ray radiation is transformed into an equivalent electric charge and ultimately into a digital image. Digital detector arrays, commonly referred to as flat panel detectors, produce high-quality digital images in comparison to conventional imaging systems. They may offer a higher sensitivity for radiography applications due to their greater dynamic range and higher signal-to-noise ratio. Indirect conversion and direct conversion are the two methods used by flat panel detectors. Indirect conversion flat panel detectors use a scintillator layer to transform x-ray photons into visible light photons, which are then transformed into an electrical charge by an amorphous silicon photo diode matrix. The amount and density of the substance that has absorbed the x-rays is proportional to the quantity and energy of x-ray photons interacting with the detector pixel.
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