The power-law transformation is given as: s = cr , c and are positive constants, and r is the gray-level of image before processing and s after processing. What happens if we increase the gamma value from 0.3 to 0.7?

• A. tThe contrast increases and the detail increases
• B. tThe contrast decreases and the detail decreases
• C. tThe contrast increases and the detail decreases
• D. tThe contrast decreases and the detail increases