Since different X-ray flat-panel detectors can distinguish different tissue densities or densities of dense tissues in tissues, in actual clinical operations, using different X-ray flat-panel detectors at different positions is beneficial to improve image quality.
In indirect conversion X-ray flat panel detectors, the coating of transistors and scintillators that convert visible light into electrical signals will affect its quantum detection efficiency, while in direct conversion X-ray flat panel detectors, the quantum detection efficiency and amorphous selenium similar.
In terms of imaging quality, there are two indicators used to evaluate the performance of its X-ray flat panel detectors, quantum detection efficiency and spatial resolution. Among them, the quantum detection efficiency determines the X-ray flat-panel detector’s ability to resolve the density difference between different tissues, and the spatial resolution determines the X-ray flat-panel detector’s ability to resolve the fine structure gaps in the tissue. organization. Different types of X-ray flat panel detectors have different influence factors on quantum detection efficiency and spatial resolution.
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