An improved phase gradient autofocus algorithm for ISAR phase autofocus problem.
Weihong FuHaoyi LiPublished in: J. Supercomput. (2024)
Keyphrases
- learning algorithm
- learning phase
- high accuracy
- search space
- k means
- dynamic programming
- preprocessing phase
- detection algorithm
- preprocessing
- significant improvement
- experimental evaluation
- computational cost
- optimization algorithm
- convergence rate
- training phase
- fourier domain
- classification algorithm
- times faster
- recognition algorithm
- objective function
- bayesian networks
- np hard
- gradient information
- matching algorithm
- optimal solution