Fast and accurate Polar Fourier transform
Averbuch A, Coifman R, Donoho D, Elad M, Israeli M. Fast and accurate Polar Fourier transform. Applied And Computational Harmonic Analysis 2006, 21: 145-167. DOI: 10.1016/j.acha.2005.11.003.Peer-Reviewed Original ResearchPolar coordinatesFourier transformContinuous formulationApplied problemsCartesian gridTwo-dimensional signalsInitial gridSize n×nContinuum ideasInterpolation operationError analysisAlgorithm complexityFFT methodConversion processPolar Fourier transformInverse transformPolar systemsFFTGridCentral toolCoordinatesInterpolationTransformProblemN×n