Joint analysis of visible and infrared images
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Abstract
Analysis of data combining daytime visible reflected, daytime IR emitted, and nighttime IR emitted images allows us to isolate the physical effects of topography, albedo, and thermal inertia. To a good approximation, these physical influences interact linearly so that maps showing topographic shading, albedo, and relative thermal inertia can be produced by simple algebraic manipulation of the co-registered images. The shading map resembles an airbrush, shaded relief portrayal of the surface, and can be used as the input for quantitative reconstruction of topography by photoclinometry (shape-fromshading). We demonstrate the method with imagery from the NASA 2001 Mars Odyssey Thermal Emission Imaging System (THEMIS), a dataset that could support mapping most of Mars in this way at 100 m resolution.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Joint analysis of visible and infrared images |
| Series title | Photogrammetric Engineering and Remote Sensing |
| DOI | 10.14358/PERS.71.10.1167 |
| Volume | 10 |
| Year Published | 2005 |
| Language | English |
| Publisher | American Society for Photogrammetry and Remote Sensing |
| Contributing office(s) | Astrogeology Science Center |
| Description | 12 p. |
| First page | 1167 |
| Last page | 1178 |
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