ATSR-2 camera models for the automated stereo photogrammetric retrieval of cloud-top heights - initial assessments
A description of two camera models is given which can be applied to along-track scanning radiometer 2 conical scanner images to provide estimates of cloud-top height and amount. Results are shown of initial quantitative assessments of these camera models and the underlying stereo-matching system applied to cloud-free areas in two different mountainous areas. These results indicate that for cloud-free areas with a sufficiently large range of heights the biases are mostly less than 1 km with standard deviations in the range of 0.31-4.96 km. This is in accordance within the predicted range of 1-2 km from previous theoretical studies.
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Document Type: Research Article
Department of Geomatic Engineering, University College London (UCL), London WC1E 6BT, UK,Now at Groupe On-X, Division Technologies, 92816 Puteaux Cedex, France
Department of Geomatic Engineering, University College London (UCL), London WC1E 6BT, UK,Now at Department of Space and Climate Physics, MSSL, UCL, Surrey RH5 6NT, UK
Deutsches Zentrum für Luft- und Raumfahrt, Institut für Physik der Atmosphäre, D - 82234 Wessling, Germany
Publication date: 2007-05-01
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