基本解釋=Office of Systems Engineering and Management 系統(tǒng)工程和管理處([美]FAA)同根派生 OSEM相關(guān)詞英漢例句Seen from the simulation experiments,ROSEM is superior to OSEM in terms of convergence and image quality. 不僅加快了圖像重建的收斂速度而且改善了重建圖像的質(zhì)量。Relaxation parameters and smooth operations on pixels after each iteration step are introduced into the OSEM algorithm,forming Relaxed OSEM(ROSEM). 將松弛系數(shù)和迭代間像素值約束引入有序子集-最大似然期望算法中,構(gòu)造出應(yīng)用于發(fā)射CT中的ROSEM算法引入到透射式工業(yè)CT中。Three iterative algorithms, ART、MAP and OSEM, are attempted to reconstruct the section of steel tube by using the simulation model. 為了加快鋼管檢測(cè)的速度,本文研究了少投影條件下鋼管截面的圖像重建算法并通過(guò)模擬數(shù)據(jù)驗(yàn)證了其重建的效果。At last, this dissertation discusses how OSEM (Ordered Subsets Expectation Maximization) can be applied in 3D reconstruction suitably. 6.;討論了利用OSEM(Ordered Subsets Expectation Maximization)算法進(jìn)行物體的三維重建。In order to fill the missing cone caused by the limited-angle chromotomographicimages, we designed the ordered subset expectation maximization algorithm(OSEM). 論文深入分析了有限投影角所帶來(lái)的信息丟失錐體問(wèn)題,并為了更好地克服有限投影角問(wèn)題,提出了空域內(nèi)的序列子集期望最大算法,并通過(guò)大量的計(jì)算機(jī)仿真實(shí)驗(yàn),驗(yàn)證了序列于集期望最大算法具有魯棒、快速收斂的特點(diǎn),并能夠很好地克服有限投影角存在的病態(tài)問(wèn)題。OSEM更多例句