Title :
Integral Invariants for Computed Tomography
Author :
Wei, Yuchuan ; Yu, Hengyong ; Wang, Ge
Author_Institution :
Dept. of Radiol., Iowa Univ., Iowa City, IA
Abstract :
Using the group theory, we formulate integral invariants of projection data in fan-beam and cone-beam computed tomography (CT), which can be applied to sense an object motion and detect a contrast bolus arrival
Keywords :
computerised tomography; group theory; CT; computed tomography; contrast bolus arrival; group theory; integral invariant; Cities and towns; Computed tomography; Geometry; Motion detection; Object detection; Radiology; Computed tomography (CT); group theory; integral invariability theorem; motion judgment function;
Journal_Title :
Signal Processing Letters, IEEE
DOI :
10.1109/LSP.2006.874452
