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熒光分子斷層成像系統(tǒng)需要獲取成像物體的三維表面輪廓,用于熒光團濃度重建的前向模型,本文提出了基于結構光方法的成像物體的三維表面輪廓重構.首先利用8比特格雷碼對圖像進行編碼,再將編碼后的圖像投射到成像對象,這時經成像物體的三維表面輪廓調制后的圖像再通過二值化、解碼、插值和輪廓重構等步驟最后輸出三維表面輪廓.圓柱物體和小鼠實驗表明,該方法可以較好地重構成像物體的三維表面輪廓,并且具有硬件系統(tǒng)簡單、易實現(xiàn)等優(yōu)點.

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