Signal transforms
11 methods in the atlas attack this one problem. They are rivals: each wins something the others do not.
Phrasings that mean this problem
Spectral analysisTime-frequency analysisEnergy compactionMultiresolution analysisSingle-frequency detectionAnalytic signal envelopeArbitrary-length transformsPrime-length transformsCoprime-length transformsExact integer convolution
numerical
- Fast Fourier transformCooley-Tukey radix-2canonfull lesson ▸numerical
- Fast Fourier transformMixed-radix decompositionstandardnumerical
- Bluestein's algorithmChirp-z convolutionspecialistnumerical
- Prime-factor FFTGood-Thomas mappingspecialistnumerical
- Number-theoretic transformstandalonestandardnumerical
signal-image
- Discrete Fourier transformstandalonecanonsignal-image
- Short-time Fourier transformWindowed framesstandardsignal-image
- Discrete cosine transformstandalonecanonsignal-image
- Discrete wavelet transformMallat pyramidstandardsignal-image
- Goertzel algorithmstandalonestandardsignal-image
- Hilbert transformstandalonespecialistsignal-image