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Abstract
We derived high resolution Digital Terrain Models from stereo images of the asteroid Ida that were obtained by the Galileo spacecraft during the flyby in August 1993 and compared these results with terrain models derived from two-dimensional photoclinometry. The comparison shows that there are striking discrepancies between the results from the two models depending on the spatial scale length of surface features. While photogrammetry resolves large- and medium-scale features, photoclinometry successfully resolves small-scale features. Ideally, both methods should be combined to optimize terrain modeling.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | The Topography of Asteroid Ida: A Comparison between Photogrammetric and ShapeForm-Shading Image Analysis |
| Year Published | 1996 |
| Language | English |
| Publisher | International Society for Photogrammetry and Remote Sensing |
| Contributing office(s) | Astrogeology Science Center |
| Description | 6 p. |
| Larger Work Type | Book |
| Larger Work Subtype | Conference publication |
| Larger Work Title | Proceedings of XVIIIth ISPRS Congress Technical Commission III: Theory and Algorithms |
| First page | 245 |
| Last page | 250 |
| Conference Title | XVIIIth ISPRS Congress Technical Commission III: Theory and Algorithms |
| Conference Location | Vienna, Austria |
| Conference Date | July 9-19, 1996 |
| Other Geospatial | Ida |
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