- 593 - 
FIG. 4 
574) : 
terricole 
pp] ica- 
lla indi 
rà Veneta". 
tivazione 
ia Subal- 
COLOR 
IMAGE 
LIGHT 
COLOR TV 
TV chopper 
system for the 
còlour and 
colour I.R. 
photographieà 
analysis. 
ROTATING DISC 
WITH FILTERS 
FIG. 2 
N 2 
FIG. 3 
Performance of different 
targets on the radiances 
plane. 
) 
ISOLEVEL CTRANSPARENT ON 
BACK-GROUND BLACK) OF 
BAND A - BAND B 
ISÛLEVEL (TRANSPARENT ON 
BACK-GROUND BLACK) OF 
BAND A /BAND B 
Application of 
ratio and 
difference for 
the pattern 
recognition 
by analog 
way. 
SOLUTION 
OF THE 
SYSTEM 
A - B = Kj 
A/B = Kj 
lolution