Edge enhancement provides:

Edge enhancement provides:

• A. Artificial increase in display contrast at an edge of the image
• B. Artificial increase in display brightness at an edge of the image
• C. Artificial increase in spatial resolution at an edge of the image
• D. No change to the image

Answer: (A)

Edge enhancement sharpens the image by boosting the differences between neighboring pixels, making boundaries between structures more pronounced. This creates an artificial increase in display contrast specifically at edges, helping edges stand out. It doesn’t change overall brightness or truly increase spatial resolution—it's a perceptual sharpening effect, not new detail.

Edge enhancement sharpens the image by boosting the differences between neighboring pixels, making boundaries between structures more pronounced. This creates an artificial increase in display contrast specifically at edges, helping edges stand out. It doesn’t change overall brightness or truly increase spatial resolution—it's a perceptual sharpening effect, not new detail.