Fourier analysis Embeddings (Mathematics) Harmonic analysis Image processing Extrapolation Function spaces Function spaces arising in harmonic analysis Functional analysis General General harmonic expansions, frames Harmonic analysis in several variables Harmonic analysis on Euclidean spaces Interpolation Interpolation between normed linear spaces Linear function spaces and their duals MATHEMATICS Maximal functions, Littlewood-Paley theory Nontrigonometric harmonic analysis Normed linear spaces and Banach spaces; Banach lattices Singular and oscillatory integrals (Calderón-Zygmund, etc.) Sobolev spaces and other spaces of ``smooth'' functions, embedding theorems, trace theorems Spaces of measurable functions ($L^p$-spaces, Orlicz spaces, KÜthe function spaces, Lorentz spaces, rearrangement invariant spaces, ideal spaces, etc.) Wavelets and other special systems image processing