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Our scheme includes two steps: (a) the local truncated normal\u2010dose projections are extended to global dataset by combining a few global low\u2010dose projections; (b) the ROI are reconstructed by either the generalized filtered backprojection (FBP) or backprojection\u2010filtration (BPF) algorithms. The simulation results show that both the FBP and BPF algorithms can reconstruct satisfactory results with image quality in the ROI comparable to that of the corresponding global CT reconstruction.<\/jats:p>","DOI":"10.1155\/ijbi\/2006\/14989","type":"journal-article","created":{"date-parts":[[2006,4,5]],"date-time":"2006-04-05T12:24:41Z","timestamp":1144239881000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Local ROI Reconstruction via Generalized FBP and BPF Algorithms along More Flexible Curves"],"prefix":"10.1155","volume":"2006","author":[{"given":"Hengyong","family":"Yu","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yangbo","family":"Ye","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shiying","family":"Zhao","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ge","family":"Wang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2006,2,5]]},"reference":[{"key":"e_1_2_1_1_2","doi-asserted-by":"crossref","unstructured":"WangG. 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