Modulation Transfer Function - a way to measure how well an imaging system can show or transfer different levels of detail from the object to the image, Detective Quantum Efficiency - a measure of how efficiently an imaging system converts incoming x-ray signals into a useful image with minimal noise, Signal To Noise Ratio - how strong the actual image information is compared to the unwanted variation of noise, Contrast To Noise Ratio - a measure of how easily you can see an object compared to the background noise in an image , Dynamic Range - the range of x-ray exposures that the detector can accurately capture and display, Exposure Indicator - a number shown by the imaging system that reflects how much radiation actually hit the detector during the exposure ,

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