Un-decimated discrete wavelet transform based algorithm for extraction of geomagnetic storm sudden commencement onset of high resolution records.
Ali Gamal HafezEssam GhamryHideki YayamaKiyohumi YumotoPublished in: Comput. Geosci. (2013)
Keyphrases
- experimental evaluation
- preprocessing
- high accuracy
- objective function
- computational complexity
- similarity measure
- times faster
- detection algorithm
- expectation maximization
- dynamic programming
- np hard
- significant improvement
- learning algorithm
- optimal solution
- improved algorithm
- optimization algorithm
- search space
- computational cost
- linear programming
- multi objective
- low resolution
- computationally efficient
- theoretical analysis
- multiresolution
- multiscale
- matching algorithm
- k means
- cost function