Which of the choices below would produce the highest spatial frequency and contrast?

Question

Quizplus · Accepted Answer

Spatial frequency refers to the amount of change in image intensity over distance, and contrast refers to the difference in image intensity between two adjacent regions. In the given options, a 3 mm renal calculi (stone) would produce the highest spatial frequency and contrast as it has sharp edges and a high degree of contrast with the surrounding renal tissue. The other options do not have as many sharp edges and do not produce as high spatial frequency or contrast.

Which of the Choices Below Would Produce the Highest Spatial