Fast algorithms for the discrete Fourier preprocessing transforms.
Okan K. ErsoyNeng-Chung HuPublished in: IEEE Trans. Signal Process. (1992)
Keyphrases
- preprocessing
- data structure
- learning algorithm
- computationally efficient
- feature extraction
- worst case
- computational geometry
- computational cost
- recently developed
- orders of magnitude
- discrete data
- machine learning
- convergence rate
- fourier transform
- computationally expensive
- data mining algorithms
- post processing
- theoretical analysis
- significant improvement
- computational complexity