Remote sensing big data processing method and system and cloud platform

The invention discloses a remote sensing big data processing method and system and a cloud platform, relates to the technical field of big data, and solves the problems of classification, retrieval and reconstruction of remote sensing data. The remote sensing big data processing system comprises a communication interface, a data collection module, a data transmission module, a data storage module, a data processing module, a data retrieval module and a data reconstruction module, and is characterized in that a data classification module is arranged, and a classification unit of a 3D convolution hyperspectral image model of an improved double-convolution pooling structure is adopted to classify data; data needed by a user is extracted through the retrieval unit, the extracted data is reconstructed through the reconstruction unit, a large-scale remote sensing image data rapid calculation mode is provided for industries with timeliness requirements such as emergency disaster relief and military affairs, differen