國家衛生研究院 NHRI:Item 3990099045/7682
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    題名: Estimation of fiber orientation by filtered q-ball imaging
    作者: Cho, KH;Yeh, CH;Kuo, LW;Chao, YP;Lin, CP
    貢獻者: Division of Medical Engineering Research
    摘要: We proposed a filtered q-ball imaging (fQBI) method for the reconstruction of fiber orientation distribution function (ODF) together with the quantitative comparison to unfiltered QBI. The filter kernel increases the high angular frequency content that is beneficial for the angular resolution in resolving crossing fibers. Through a series of simulations using Monte-Carlo model, the angular resolution of fQBI was demonstrated better than traditional QBI but the deviation of fiber orientation estimate also becomes larger. The improvement of the angular resolution can also reduce the underestimation of separation angles as well as the bias of fiber orientation estimations. In conclusion, fQBI was demonstrated to improve the angular resolution of QBI in resolving crossing fibers. This improvement will be helpful to precisely reconstruct fiber tract and brain network in applications by QBI.
    日期: 2013-07
    關聯: 35th Annual International Conference of the IEEE on Engineering in Medicine and Biology Society. 2013 Jul:519-522.
    Link to: http://dx.doi.org/10.1109/EMBC.2013.6609551
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000341702101003
    Cited Times(Scopus): http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84886532941
    顯示於類別:[郭立威] 會議論文/會議摘要

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