id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
qb98mc9033z	Xue Rui	Beam Hardening Correction in Iterative Tomographic Image Reconstruction	2011		.txt	text/plain	340	15	40	The reconstructed images present promising improvement with the table correction in ILIBO: the artifacts from dense bone structure are better removed; small bone structures are better defined and the edge of the bone structures are more sharp. However, the facts that the X-ray beam produced by X-ray tube has a widely distributed energy spectrum and the absorption coefficient of materials has a dependence on photon energy result in beam hardening artifacts.	cache/qb98mc9033z.txt	txt/qb98mc9033z.txt