What is called DQE is simply the ratio at which X-rays are converted to images. If 100 units of X-rays can be effectively used for 80, then we say that DQE is 80%. The DQE value is a ratio, the higher the higher, so there is no probability of the golden interval.
The higher the DQE value, the lower the radiation dose required under the same definition. Under the same dose, the higher the clarity.
DEQ value is a comprehensive extraction of multiple indicators, covering MTF, spatial resolution, detector material and many other aspects.
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