sipal 中文意思是什麼

sipal 解釋
希帕爾
  1. Wlththe fleetingprogress ofcomputerteccioanddlgltaltechology , newly devefoped duntlzed medicine techniques go on expending , while computed radlographyls atyplcalmethods itheprocedure ofcomputedradlographylmaging , we should irstlygetacross the characters ofklnds ofnolses andthe relationship betweenthe image signals andnolses basedonthe specialties o 土 computedradlo graphy images and medical image processing , we h 。 e study the filtering methods r competed radlography images noises our mmor wo indudes : 1 on the base of analyzing computed radlography imaging system in detail , the author th 讓出 that the mnyor … noises are gausslanwie noise and polsson noise then , the dlfferemrelationshlp ofbe 加 eentwo kinds ofnolses and sipal were studied completely 21 by conslderingboththe charactenstlcs ofcomputed radlography images andthe statistical feres ofwavelettransformed images , a multlscale image iltenng algonthln , which based on wo state hidden markov model ( hmm ) and mlxtule gausslan statistical model , has been used to decrease the gausslan white noise in compmed images we expenmems as well as the comparison ith other denolsing methods werepresentedatlast ,

    在cr成像過程中,不可避免地引入各種噪聲干擾,極大地影響了醫生診斷的準確性,為此,只有弄清干擾圖像信息的各種噪聲的來源、特徵及其與信號的相互關系,才能有效地將之消除。結合cr影像以及醫學圖像處理的特點,本文研究了cr影像噪聲濾除的方法。主要工作有: [ 1 ]在詳細地分析cr成像系統的基礎上,指出固有噪聲和泊松噪聲是影響成像質量的兩種主要噪聲,並深入地討論了這兩種噪聲與圖像信號之間的相互關系。
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