Abstract

A novel algorithm is proposed to extract cloud systems and spiral pattern of tropical cyclones (TCs) in infrared (IR) images. This mountain-climbing algorithm, inspired by mountain-climbing, defines cloud-system extraction as the problem of traversing all the peaks of the “cloud mountain” formed by a TC's cloud system. Several moving rules and stop criteria are made to define the search behaviors and constrain the traversal process. Six examples are used to validate the algorithm.

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