Keywords: CtDegeneracy.jpg en The origin of image degeneracy the attenuation of each element of tissue may be characterised by μ the linear attenuation coefficient as in a The total attenuation of each of the two columns of elements in b is identical ignoring unequal scattering effects so that the image contrast is the same for quite different anatomy own Kieranmaher 2001-01-01 Reproduced with permission from Heggie JCP Liddell NA Maher KP 2001 Applied Imaging Technology 4th Edition Physics diagrams |