Question

How does the curves behave to the detail in the image in isopreference curve?

(a) Curves tend to become more vertical as the detail in the image decreases

(b) Curves tend to become less vertical as the detail in the image increases

(c) Curves tend to become less vertical as the detail in the image decreases

(d) Curves tend to become more vertical as the detail in the image increases

The question was posed to me during an interview.

This key question is from Spatial and Gray-Level Resolution and Aliasing in division Image Enhancement of Digital Image Processing

Answer 1

Right option is (d) Curves tend to become more vertical as the detail in the image increases

To elaborate: The curves in isopreference curve tend to become more vertical as the detail in the image increases.

The right side graph shows the same, curve for crowd is nearly vertical.