超解像を利用すればStructure from Motionによる3次元復元モデルの精度は向上するか?


丹 康弘, 丹 佑之, “超解像を利用すればStructure from Motionによる3次元復元モデルの精度は向上するか?”, 応用測量論文集, vol. 27, pp.43-53, 2016.

Abstract
The structure from motion (SfM) technique with forward-looking photogrammetry is one of the most widely used 3-D modeling techniques for obtaining a digital surface model of an object and landscape. The accuracy of point clouds depends on the image resolution of a camera. It is difficult to obtain a detailed 3-D model with a cheap camera deployed on a small unmanned aerial vehicle. We present a novel approach to enhance the reconstruction precision of a 3-D model. The proposed method applies SfM technique to super resolution images employing a Gaussian mixture model. Experimental results show that the digital surface model generated using the proposed method is within the acceptable range of GNSS-TS surveying, and our method surely provides improved reconstruction accuracy for a 3-D model for a large region.

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