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从二维系列摄影图片提取剪影重构三维实体的光线跟踪算法

DOI: 10.11834/jig.200208257

Keywords: 二维系列摄影图片,三维实体,光线跟踪算法,三维重构,边界提取,体像素,剪影,掩模,计算机图形学

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Abstract:

给出了利用二维系列摄影图片提取剪影重构三维实体的一种新算法,即围绕一个三维实体从多个角度拍摄照片,然后从照片中提取出实体的边界,通过基于光线跟踪的、对二维影像的合成得到原物体近似表面的三维点坐标,与传统的基于体像素的算法相比,该算法节省存储空间,近似精度与三维分辨率无直接关系,而且速度有所提高,特别当实体体积较大时,效果明显。

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