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Proceedings Paper

Resolution enhancement of DEM using photometric stereo method in time-varying shadowed region
Author(s): SungHyun Moon; Han-Lim Choi
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Paper Abstract

Generation of high-resolution Digital Elevation Model (DEM) is essential for space missions like an investigation of the topographic feature, a selection of landing site or a path planning of rover. Fusion of image which contains high-frequency information on the terrain surface and depth information which gives sparse information is an important topic in the generation of DEM. In this paper, the photometric stereo method is used to generate the surface normal information of shadowed region in the crater. Then, the surface normal is fused with interpolated DEM from ground truth DEM. The fusion enhances the lateral resolution of interpolated DEM and generates details of the ground truth DEM which is not shown in interpolated DEM. This method can be adapted to enhance DEM for near polar region, which has a large variation in shadow and has many image dataset due to orbiter's flight orbit.

Paper Details

Date Published: 4 October 2017
PDF: 10 pages
Proc. SPIE 10427, Image and Signal Processing for Remote Sensing XXIII, 1042706 (4 October 2017); doi: 10.1117/12.2278346
Show Author Affiliations
SungHyun Moon, KAIST (Korea, Republic of)
Han-Lim Choi, KAIST (Korea, Republic of)

Published in SPIE Proceedings Vol. 10427:
Image and Signal Processing for Remote Sensing XXIII
Lorenzo Bruzzone, Editor(s)

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