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The Scientific World Journal
/
2013
/
Article
/
Fig 9
/
Research Article
An Efficient and Self-Adapted Approach to the Sharpening of Color Images
Figure 9
for
HVD
. (a) The image “Lena” (512 × 512 color image). (b) Edges detected by
HVD
with LPF. (c and d) Sharpened results by
HVD
with scaling factors
and
, respectively.
(a)
Original image
(b)
Edges detected by
HVD
with LPF
(c)
Scaling factor
(d)
Scaling factor