Reconstruction of the surface topography from single images with the photometric method |
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| Authors: | I A Dulova S I Skuratovsky N V Bondarenko Yu V Kornienko |
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| Institution: | (1) Usikov Institute for Radiophysics and Electronics, National Academy of Sciences of Ukraine, Kharkov, Ukraine |
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| Abstract: | The possibility of reconstructing the surface topography from single images with the photometric method in the linear approximation is analyzed. The photometric method or surface topography Reconstruction employs a statistical approach to the problem formulation and is the most mathematically correct. This method allows determination of the most probable surface topography given specific observational data. When only one image is available, the photometric method is superior in comparison with the currently available photoclinometry. The processing of test surface topography with the photometric method shows that, under typical conditions, the error of surface relief reconstruction is of higher than 40% in terms of the standard deviation of the surface height. The surface relief of some Martian areas are reconstructed from HRSC images obtained by the Mars Express spacecraft. It is shown that the image-reconstructed surface topography is in good agreement with the topographic information for the same Martian areas obtained by the MOLA altimeter. |
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