Sparse Fast Fourier Transform by downsampling.
Sung-Hsien HsiehChun-Shien LuSoo-Chang PeiPublished in: ICASSP (2013)
Keyphrases
- fast fourier transform
- fourier transform
- frequency domain
- signal processing
- spectral analysis
- floating point
- sparse representation
- fourier transformation
- short time fourier transform
- spatial domain
- hartley transform
- pattern recognition
- discrete fourier transform
- log polar
- radon transform
- discrete wavelet transform
- image reconstruction
- image quality