Echos
Echos can be seen in air/tissue borders.
Related Links
Geometric distortions and edge effects
Application of Nonlinear System Identification to
Magnetic Resonance Imaging and Computed Tomography
Litt, Harold I.; Spangler, Robert A.; Brody, Alan S.; Scott, Peter D. SUNY,
Buffalo (U.S.A.); St. Joseph's Med. Ctr., Phoenix (U.S.A.)
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