(a) Boundaries of Sentinel-3 (blue circle) and CryoSat-2 (yellow loop). The study region is indicated in light blue. (b) Comparison between the elevation changes in the study region extracted without filtering (left) and with filtering (right). Filtering removes outliers via data clustering, improving the accuracy of the results. (IMAGE)

SPIE--International Society for Optics and Photonics

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