A Three-Step Approach with Adaptive Additive Magnitude Selection for the Sharpening of Images

Table 2

Operation counts of the proposed approach.

Operations	APU	MPU/DIV	ABS	COMP
HVD	≤2	0	≤2	≤2
Low pass filtering	7	0	0	1
Edge sharpening	9	4	0	1

HVD is required for each pixel.
LPF and Edge sharpening is for edge pixel only.