515
Table 2. Classificati®n performance i n Area-1 by applying the supervised classificatien (%)
data was un-
ie image qua-
s was carried
>n technique,
e also applied,
e classifi-
dnimum dis
pnee) algeri-
his classi-
' each pixel
the pixel
he nearer
a special
likelihood
can be pro-
ght t® be
®n the micro-
y, the re are
sificati®n
neighbours,
degree of
r from pixel
ation can
cation pre-
ial benefit
removal of
eous areas
ne classifi-
he majority
Fig.l. A
e (3x3, 5x5)
d image and
n is changed
rrounding
tudy the cla-
d using a
assification
A A
A В
A A
assification
А в
С В
В A
fi Iter
3)
esuits were
of its accu-
y assessment
and cenf«-
ix is a square
Land sat class
Ground class
Closed Forest
Open Forest
Regrowth
Shifting
cultivation
Grassland Bare spil
Closed forest
80.74
4.44
2.96
3.70
5.92
2.22
Open forest
25.92
34.07
5.92
5.18
25.18
3.70
Regrowth
9.62
14.07
31.85
10.37
25.92
8.14
Shifting culti
vation
8.14
13.03
17.03
28.14
22.22
11.11
Gras si sind
8.33
8.33
11.11
9.72
56.94
5.55
Bare soil
6.34
15.87
4.76
6.34
31.74
34.92
OVERALL ACCURACY:
6 Classes =
44.29%, 2 classes = 85.
92%
Table 3. Classification performance in Area-1
by applying the reclassification
(%) .
Landsat class
Closed Forest
Open Forest
Regrowth
Shifting
cultivation
Gras c land Bare sei;
Ground class
Closed forest
89.62
2.22
2.22
1.48
2.96
1.48
Open forest
30.37
29.62
5.92
3.70
28.14
2.22
Regrowth
14.81
12.59
30.37
2.22
33.33
6.66
Shifting culti
vation
14.07
10.37
17.03
20.00
28.88
9.62
Grassland
11.11
5.55
9.72
4.16
66.66
2.77
Bare soil
6.34
4.76
6.34
4.76
49.20
28.57
OVERALL ACCURACY:
6 classes =
! 43.7% 2 classes = 84.
29%
Table 4. Classification performance in Area-2
by applying the supervised classification (%),
Landsat class
Ground class
Closed Forest Dense Mixed
Bamboo Forest
Open Forest
Scrub
Bare soil
Closed forest
77.77
0.00
18.51
2.96
0.74
Dense mixed
bamboe forest
8.14
66.66
6.66
17.03
1.48
Open forest
31.85
0.00
38.51
25.18
4.44
Scrub
11.11
6.66
22.22
54.17
5.92
Bare soil
1.58
6.34
22.22
61.90
7.93
OVERALL ACCURAC
Y:
5 classes =
53.89% 2 classes =» 79.60%
Table 5. Classification performance in Area-2
by applying the reclassification
(%).
Landsat class
Ground class
Closed Forest Dense Mixed
Bamboo Forest
Open Forest
Scrub
Bare soil
Closed forest
93.33
0.00
5.18
1.48
0.00
Pense mixed
bamboo forest
5.92
72.59
3.70
17.03
0.74
Open forest
28.14
0.00
45.92
25.92
0.00
Scrub
7.40
4.44
19.25
68.14
0.74
Bare soil
0.00
1.58
20.63
76.19
1.58
OVERALL ACCURACY: 5 classes = 62.85% 2 classes = 85.73%
