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Quantitative comparison of imaging performance of x‐ray interferometric imaging and diffraction enhanced imaging
Author(s) -
Akio Yoneyama,
Jin Wu,
Kazuyuki Hyodo,
Tohoru Takeda
Publication year - 2008
Publication title -
medical physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.473
H-Index - 180
eISSN - 2473-4209
pISSN - 0094-2405
DOI - 10.1118/1.2977543
Subject(s) - medical imaging , interferometry , optics , phase imaging , diffraction , materials science , medical physics , physics , medicine , radiology , microscopy
For detailed biomedical observations using the optimum phase‐contrast x‐ray imaging, quantitative comparisons of imaging performances of two major imaging methods—x‐ray interferometric imaging (XII) and diffraction enhanced imaging (DEI)—were performed. Density sensitivity and spatial resolution of each imaging method were evaluated using phantom tomograms obtained by each method with the same x‐ray dosage. For practical comparison of the methods, biological samples were also observed under the same conditions. The results show that XII has a higher sensitivity than that of DEI and is thus suitable for observation of soft biological tissues. On the other hand, DEI has a wider dynamic range of density and is thus suitable for observation of samples with large differences in density of different regions.