International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XXXV, Part B4. Istanbul 2004 Interne
3. Results and Discussion When
SAM a
3.1 SAM for Landsat TM | endmeı
27900 21] 0 274000 217000 22 Shi 2.5 7000 with th
27 8000 231000 234000 237000 e TE = basic V
8 o & E = = Ju basic n
Re = 2 7 a fF 2 S 5 Mahjot
ds a >, Ax : Menaa
wat 2 n H z endmer
2 G = 2 Hs the ide
| 2 + 2 Dalaa,
5 2 K^ Bot
p 2 the ider
3 b ^ 8 ;
8 | RB E = 2 iron ca]
- 8 r il J ^ I = are rela
£ ap | extend
3 Ü V 8 : 6 mediun
2 e e "e the sub
£0 o - = problen
H S the ba
E D. e s ferroma
8| Z Gi ib = similar :
H T F. | 3 A = iron oxi
E i j 22p000 231000 23.4000 237000 As sho
27/8000 23000 234000 237000 T 4 7 i Sahrlef
| compari
: B ó 0.3 0,7 1 deposits
A Ó 0.3 0.7 1 234000 sandy |
27.2000 23000 234000 237000 i classific
; 3 8 distribut
B 5 5 Because
= x S image v
L shown
Ro a t endmem
g = 2 vegetati
+ da S arid env
f :. which is
E
3 A R B J 2 3.2 SAN
3 The SA
2 d e importan
5 E © 8 rock unit
15 i z 3 not clear
E e with TM
2 s Ü a mineral :
8 a S reflectan
> 3 Quickbir
278000 23000 234000 237000 e er E
€ D - Output Legend oceur Su
C © 6093 07 A L-K"B
BM Unclassified TM, the
Figure 4 — Figures 4a, b and c show the results for some of the Ens id jen oops s spread q
endmembers “such as the basic intrusions, the acidic intrusions BM Acidic intrusions MVegetation Vegetatic
; ? : Quaternary deposits Schist of the ne
and iron cap endmembers respectively. The colour ramp for : vesetatio
these endmembers show the values of SAM which are equal or A ue
lower than 0.15. Values near 0 (red colour) indicate high Aspect
similarity between the endmember and image spectra. Figure
4d, is the output classification map with all of the 8
endmembers.
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