Which tool or technique would you use to sharpen image edges while preserving texture?

Which tool or technique would you use to sharpen image edges while preserving texture?

• A. Gaussian Blur with a high radius.
• B. Blur Tool with large brush.
• C. Unsharp Mask or Smart Sharpen; adjust Amount, Radius, and Threshold.
• D. Liquify.

Answer: (C)