First, a new calibration method and a detecting algorithm of projected grid pattern are proposed. Then an active 3D shape retrieval system is established.
提出了一种新的定标方法和投影模板检测算法，并构造完成了有源三维重建实验系统。
Experiments show that the method can improve the precision of retrieval, and thus the proposed approach can be applied to interactive 3d shape retrieval based 2d sketch.
实验结果表明，该方法能提高检索精度，因此可应用在2维草图查询方式的3维模型检索中。
The method for geometrical shape similarity matching among 3D models is one of main research problems of 3D model retrieval system.
三维模型几何相似性比较算法是基于内容的三维模型检索系统的一个主要研究方向。
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