Conference on Applied Inverse Problems, July 20-24, 2009, Vienna, Austria
Poster Presentation
Marta Betcke: Rebinning methods for new generation cone beam CT

Tue, 21 July, 2009, 17:15-18:15, Foyer

In the quest of engineering a real time tomograph, the mechanical motion
of the gantry was identified as a main bottle neck in increasing speed
of measurements acquisition in state of the art cone beam scanners.
Therefore in the new generation of the cone beam systems the
mechanically rotating gantry was replaced by a stationary ring of
sources, which can by quickly switched on and off by the on board
electronics, and multiple stationary rings of detectors. To accommodate
the stationary ring of sources in the design, it was necessary to divert
from the 4th generation CT geometry. The resulting new geometry requires
new different reconstruction algorithms than those devised for the
standard cone beam CT. In this contribution we present some
generalizations of the family of rebinning methods to the new scanner

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