This c: 
system: 
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except: 
procedi 
observ: 
circum: 
procedi 
using ! 
It 
- requi 
testfi: 
the im 
In 
fall ir 
element 
It 1s c 
given. 
basical 
correla 
exposur 
Merchan 
focal 1 
the par 
factor 
Sys 
distort 
lens/ca 
deviati 
SELF-CA 
Sel 
procedu 
paramet 
determi 
calibra 
Sel 
to cali 
paper d 
Society 
that ti 
congres: 
establi 
Other p 
Show th. 
(testfi 
include 
Fro 
Paramet: 
dx = 81: 
+; 
dy = ag: 
+ 1 
- 
Paramete 
dx = bi? 
+]