Contrast resolution is referred to as the ability of an imaging modality such as MRI or fluoroscopy to distinguish between various contrasts of an acquired image.

In MRI, it is defined as:

C = (S_A-S_B) / (S_A+S_B)

where S_A and S_B are signal intensities for tissues A and B. This definition may also be applicable to other diagnostic imaging modalities in general as well.

See also

• Contrast to Noise Ratio
• Spatial resolution