What does Modulation Transfer Function quantify in an imaging system?

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Multiple Choice

What does Modulation Transfer Function quantify in an imaging system?

Explanation:
Modulation Transfer Function shows how faithfully an imaging system preserves the contrast of patterns as the features get finer. It serves as the system’s frequency response, telling you the fraction of input modulation (contrast) that makes it to the output at each spatial frequency. A high MTF at a given spatial frequency means fine details are reproduced with high contrast; a low MTF means those details are blurred and the contrast is lost. This focuses on fidelity of detail transfer, not on how bright the image is, how noisy it appears, or how wide the dynamic range is.

Modulation Transfer Function shows how faithfully an imaging system preserves the contrast of patterns as the features get finer. It serves as the system’s frequency response, telling you the fraction of input modulation (contrast) that makes it to the output at each spatial frequency. A high MTF at a given spatial frequency means fine details are reproduced with high contrast; a low MTF means those details are blurred and the contrast is lost. This focuses on fidelity of detail transfer, not on how bright the image is, how noisy it appears, or how wide the dynamic range is.

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