Which statement best describes the difference between contrast resolution and spatial resolution?

• A. Contrast resolution measures difference in brightness across the entire image, while spatial resolution measures color fidelity.
• B. Contrast resolution is the ability to differentiate objects with similar gray levels, while spatial resolution concerns the sharpness of fine details.
• C. Contrast resolution and spatial resolution are the same measurement.
• D. Contrast resolution is only relevant in color imaging.

Answer: (B)