Sample-optimal average-case sparse Fourier Transform in two dimensions.
Badih GhaziHaitham HassaniehPiotr IndykDina KatabiEric PriceLixin ShiPublished in: Allerton (2013)
Keyphrases
- fourier transform
- average case
- worst case
- worst case analysis
- frequency domain
- competitive ratio
- signal processing
- uniform distribution
- learning curves
- fourier domain
- sample size
- dynamic programming
- radon transform
- correlation function
- fast fourier transform
- discrete fourier transform
- optimal solution
- log polar
- polar coordinates
- fourier analysis
- pattern recognition
- theoretical analysis
- bit rate
- upper bound
- np hard
- high dimensional
- frequency spectrum
- training data