Title :
On Analyzing of the Contrast for X-ray Phase-contrast Imaging
Author :
Liu, S. ; Zhang, X.L. ; Huang, Y.
Author_Institution :
Univ. of Shanghai for Sci. & Technol., Shanghai
Abstract :
In generally partial coherent X-ray sources are employed in the clinical imaging. The image, gained in a certain distance from a partial coherent source, has both phase contrast and attenuation contrast. A theoretical intensity formula for X-ray phase-contrast imaging was deduced based on Fresnel-Kirchhoff diffraction theory which is applicable to the clinical application. The phase-contrast was analyzed and was compared with the experiment results, based on general formalism in this paper.
Keywords :
Fresnel diffraction; coherence; diagnostic radiography; Fresnel-Kirchhoff diffraction theory; X-ray phase-contrast imaging contrast; clinical imaging; partial coherent X-ray sources; Attenuation; Biological tissues; Biomedical imaging; Electromagnetic wave absorption; Image analysis; Light scattering; Optical imaging; Phase distortion; X-ray diffraction; X-ray imaging;
Conference_Titel :
Complex Medical Engineering, 2007. CME 2007. IEEE/ICME International Conference on
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-1077-4
Electronic_ISBN :
978-1-4244-1078-1
DOI :
10.1109/ICCME.2007.4381926
