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In real BLT experiment, apart from the measurement noise, the system errors caused by geometry mismatch, numerical discretization, and optical modeling approximations are also inevitable, which may lead to large errors in the reconstruction results. Most regularization techniques such as Tikhonov method only consider measurement noise, whereas the influences of system errors have not been investigated. In this paper, the truncated total least squares method (TTLS) is introduced into BLT reconstruction, in which both system errors and measurement noise are taken into account. Based on the modified generalized cross validation (MGCV) criterion and residual error minimization, a practical parameter\u2010choice scheme referred to as improved GCV (IGCV) is proposed for TTLS. Numerical simulations with different noise levels and physical experiments demonstrate the effectiveness and potential of TTLS combined with IGCV for solving the BLT inverse problem.<\/jats:p>","DOI":"10.1155\/2010\/291874","type":"journal-article","created":{"date-parts":[[2010,5,19]],"date-time":"2010-05-19T14:32:54Z","timestamp":1274279574000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":17,"title":["Truncated Total Least Squares Method with a Practical Truncation Parameter Choice Scheme for Bioluminescence Tomography Inverse Problem"],"prefix":"10.1155","volume":"2010","author":[{"given":"Xiaowei","family":"He","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jimin","family":"Liang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xiaochao","family":"Qu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Heyu","family":"Huang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yanbin","family":"Hou","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jie","family":"Tian","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2010,5,19]]},"reference":[{"key":"e_1_2_6_1_2","doi-asserted-by":"publisher","DOI":"10.1038\/nrd2290"},{"key":"e_1_2_6_2_2","doi-asserted-by":"publisher","DOI":"10.1038\/nbt1074"},{"key":"e_1_2_6_3_2","doi-asserted-by":"publisher","DOI":"10.1109\/MEMB.2008.923962"},{"key":"e_1_2_6_4_2","doi-asserted-by":"publisher","DOI":"10.1146\/annurev.bioeng.4.111901.093336"},{"key":"e_1_2_6_5_2","doi-asserted-by":"publisher","DOI":"10.1118\/1.597634"},{"volume-title":"Solutions of Ill-Posed Problems","year":"1977","author":"Tikhonov A. 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