An efficient multiplierless approximation of the fast Fourier transform using sum-of-powers-of-two (SOPOT) coefficients.
Shing-Chow ChanP. M. YiuPublished in: IEEE Signal Process. Lett. (2002)
Keyphrases
- fast fourier transform
- fourier transform
- frequency domain
- floating point
- signal processing
- spectral analysis
- discrete wavelet transform
- wavelet coefficients
- fourier transformation
- computationally efficient
- linear combination
- image processing
- radon transform
- discrete cosine transform
- denoising
- motion estimation
- face recognition