6Chotashg,Dobbin JT,Ravince,et al.Princiles of digital'radiograhy with large-area,electronically readable detectors:a review of thebasics[J].Radiolbgy,1999,210(3):595-599.
7Ludwick,Ahlersk,Wormanns D,et al.Lumbar sine radiograhy:digital flat-anel detectorversus screenfilm and storage-hoshotsystems inmonkeys as a ediatrie model[J].Radiology,2003,229(1):140-144.
8Aharon M,Elad M,Bruekstein AM.Thek一SVD:an algorithm for designing of overeomPlete dietionaries for sParsere Presentation[].IEEE Transaetions on Signal ProceSSing.2006
