A Novel Fast Helical 4D-CT Acquisition Technique to Generate Low-Noise Sorting Artifact-Free Images at User-Selected Breathing Phases

The proposed technique can be used as a clinical 4D-CT technique. It is robust in the presence of irregular breathing and allows the entire imaging dose to contribute to the resulting image quality, providing sorting artifact-free images at a patient dose similar to or less than current 4D-CT techniques.