C- and x-band repeat-pass coherence for crop-type mapping and monitoring
IGARSS 2023 - 2023 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM(2023)
Abstract
Time series of repeat-pass interferometric coherence measured from Sentinel-1 images (C-band) and TerraSAR-X/TanDEM-X and PAZ (X-band) have been evaluated for crop monitoring and crop classification. Temporal decorrelation at X-band has been studied in detail thanks to the availability of multiple temporal baselines (4 days, 7 days, 11 days, 15 days, etc.). Different responses are found for different crop classes and also depending on the growth condition of the plants. Based on such a sensitivity, crop classification using series of C- and X-band coherence as input features has been also evaluated, showing the contribution of interferometry in this domain.
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Key words
Repeat-pass coherence,C-band,X-band,agricultural crops,classification,crop monitoring
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