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Analytical approach to the recognition of quadratic surfaces from range data

机译:从距离数据中识别二次曲面的分析方法

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摘要

An analytical approach for the three-dimensional recognition of quadric surfaces for range images is presented. Initially, after describing each of the quadrics in terms of their implicit representations, a new iterative technique is utilized to determine and eliminate the rotation parameters of the surfaces. The main characteristic of this technique is that it converges in a very few iterations. Next, based on the intersections of surfaces with planes of different orientation, a unique set of feature vectors of characteristic curves is determined for each of the quadrics considered. Furthermore, within the same analysis, angular bounds for the orientation of the intersecting planes are evaluated, so that the necessary and sufficient number of planes is determined for characterizing a surface. Experiments conducted on several sets of real data on quadric surfaces indicate that the proposed method is very accurate and computationally inexpensive.
机译:提出了一种用于距离图像的二次曲面的三维识别的解析方法。最初,在按照其隐式表示描述了每个二次曲面之后,采用了一种新的迭代技术来确定和消除曲面的旋转参数。该技术的主要特点是,它会在很少的迭代中收敛。接下来,基于表面与不同方向的平面的交点,为所考虑的每个二次曲面确定特征曲线的特征向量的唯一集合。此外,在相同的分析中,评估了相交平面的方向的角边界,从而确定了必要和足够数量的平面以表征表面。在二次曲面上对几组真实数据进行的实验表明,所提出的方法非常准确且计算上便宜。

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