Consideration is given to cases where the degree of sensor vignette capture overlap is very high, including cases at sensor to object separation distances where every, or nearly every, {HEAD ~ sensor} has {TAIL ~ at least some vignette capture} overlap with the vignette capture of every, or nearly every, other sensor 
Consideration is given to cases where the degree of sensor vignette capture overlap is very high , including cases at sensor to object separation distances where every , or nearly every , { HEAD ~ sensor } has { TAIL ~ at least some vignette capture } overlap with the vignette capture of every , or nearly every , other sensor
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