A sparse fast Fourier algorithm for real non-negative vectors.
Gerlind PlonkaKatrin WannenwetschPublished in: J. Comput. Appl. Math. (2017)
Keyphrases
- experimental evaluation
- cost function
- detection algorithm
- optimization algorithm
- np hard
- neural network
- search space
- k means
- optimal solution
- dynamic programming
- computational cost
- worst case
- input pattern
- objective function
- high accuracy
- input data
- times faster
- recognition algorithm
- convergence rate
- fourier analysis
- clustering method
- expectation maximization
- particle swarm optimization
- data points
- preprocessing
- multiscale