Assertion: camera's depth | /r/HasProperty | inferred
Facets:
value: from its extent of blurring
type: CAUSE
Source sentences:
text: Since the depth for a point is inferred from its extent of blurring caused by the light spreading from the corresponding point in the scene arriving across the entire surface of the aperture and distorting according to this spread, this is a complex form of stereo triangulation.