automated roi-based compression on brain images using
Post on 19-Dec-2021
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Gra
y le
vel f
or e
lem
ent j
+1
0 50 100 150 200 250 Gray level for element j
(b)
(a)
Background
Non-ROI ROI
(a) (b) (c)
(d) (e)
(a) (b) (c)
(a)
(b)
(a) (b) (c)
0 5 10 15 20 25 30 35 40 45
10 9 8 7 6 5 4 3 2 1
PSNR (dB)
Imag
es
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