US2009262893A1PendingUtilityA1
Methods and apparatus for obtaining low-dose imaging
Est. expiryNov 9, 2025(expired)· nominal 20-yr term from priority
A61B 6/542A61B 6/4035A61B 6/4085A61B 6/4291A61B 6/4233A61B 6/583G01N 2223/419A61B 6/405G01N 23/046A61B 6/482A61B 6/502G01N 2223/612A61B 6/466G01N 2223/423A61B 6/02
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Abstract
In one aspect, a method of obtaining projection data of an object from a plurality of view angles with respect to the object is provided. The method comprises acts of providing radiation, at each of the plurality of view angles, to an exposure area in which the object is positioned, controlling a radiation energy of the radiation provided at each of the plurality of view angles such that the respective radiation energy is different for at least two of the plurality of view angles, and detecting at least some of the radiation passing through the exposure area at each of the plurality of view angles to obtain the projection data.
Claims
exact text as granted — not AI-modified1 . A method of obtaining projection data of an object from a plurality of view angles with respect to the object, the method comprising acts of: providing radiation, at each of the plurality of view angles, to an exposure area in which the object is positioned; controlling a radiation energy of the radiation provided at each of the plurality of view angles such that the respective radiation energy is different for at least two of the plurality of view angles; and detecting at least some of the radiation passing through the object at each of the plurality of view angles to obtain the projection data.
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