V. CONCLUSION Inthispaper,wesampledandtransformedtheremotesensing big data set into a wavelet domain. The statistical characteristics of wavelet coefficients in terms of the scale, time, and band of the data set were comprehensively analyzed and
compared.Thedatasetofdifferenttextureswasdecomposed into different scales, and the parameters of the GMM of the wavelet coefficients were estimated. The statistical characteristics of different textures were also compared. We found that the cluster characteristics of the wavelet coefficients are still obvious in the remote sensing big data set for different bands and different scales. However, it is not always well estimated when we modeled the long-term sequence big data setusingaGMM.Wealsofoundthatthefeaturesofdifferent textures for the big data set are obviously reflected in the probabilitydensityfunctionandmodelparametersofwavelet coefficients.