Short-time DFT computation by a modified radix-4 decimation-in-frequency algorithm.
Dan-El A. MontoyaJ. A. Rosendo-MacíasAntonio Gómez ExpósitoPublished in: Signal Process. (2014)
Keyphrases
- np hard
- times faster
- dynamic programming
- search space
- cost function
- experimental evaluation
- high accuracy
- image processing
- objective function
- k means
- simulated annealing
- improved algorithm
- detection algorithm
- theoretical analysis
- computationally efficient
- expectation maximization
- computational cost
- particle swarm optimization
- worst case
- optimal solution
- optimization algorithm
- bayesian networks
- frequency domain
- decision trees
- convergence rate
- learning algorithm