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TV算法是一種很好的有限角度投影數(shù)據(jù)圖像重建算法,但在應(yīng)用于三維的有限角度投影數(shù)據(jù)重建時(shí),該算法存在的高耗時(shí)問(wèn)題就更為突出并成為其應(yīng)用瓶頸.本文提出了一套基于通用GPU技術(shù)在圖形處理器上快速實(shí)現(xiàn)的三維TV算法.實(shí)驗(yàn)結(jié)果表明,與運(yùn)行在CPU上的三維TV算法相比,該算法在獲得可比的重建結(jié)果的前提下,有效地提高了重建速度.

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