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Fig.3 Dependence of the total error 
on the backgrownd displacement for 
the typical scene in diferent seasons. 
Winter is marked by ©, autumn - by B 
and summer - by n. 
maximum increases the total error in 7 - 
20 times. 
4. PROCESSING ILLUSTRATION 
Let's illustrate the ability to work of 
the suboptimal detector after the example 
of  experimental-based frames digital 
processing. 
In Fig.4 you can see the first frame. We 
used this frame above for detector 
analisis. The frame parameters are equal 
to: a_=38.1 a. -25.2 0 =6,.2 0,=5,7 
o b o b 
Lm = zz m4 
T. 2.874 ray 3:462 Ir, =-040 Dyy7:183. 
OX 
The  J histogramn of intensity and 
correlative function of this frame 
landscape IR-image is shown in Fig.5 by 
broken lines. 
As shown in Fig.5 the histogramm of 
intensity is well  approosimated by 
Gaussian ourve and correlation function 
by exponential ourve. It's shown in Fig.5 
by smoose lines. 
    
Fig.4 Experimental image. The first frame. Processing fragments is 
bordered by black lines. Correlation processing area is drawn by white 
lines. 
We shall suppose in what follows that 
interframe processing is well founded if 
total error of suboptimal detector is 
less then singlframe one. Linear 
singlframe detector of bright area was 
described in paper (Baïtureäx, 1960). The 
total error is shown in table 2 for this 
detector. 
The first frame has been processing by 
optimum linear pattern detector which was 
described in paper (Baitreitu,1960). As a 
result six regions have been picked out. 
Five of them corresponds to the moving 
object patterns. The fagments have been 
segmented round the all region centre. 
You can see these fragments in Fig.4 (it 
Table 2. Singlframe detecior errors for some seasons 
  
Season 
  
Features 
Winter 
Autumn Summer 
  
Total error| 0.932.104 
  
  
0.747.103 0.961.103 
  
  
The results followed table 2 and Fig.3 
are: 
(1) The overframe processing is well 
founded for |D|x(O.2 - 0.4)L.. 
. (2) The changing of the background 
interframe displasement from zero to 
was drawn by black lines). Fragment size 
has been choosen in accordance with 
Eaq.(9.2). 
By ihe moment of the second frame forming 
hich was determined according to 
=