An ISAR Imaging Algorithm for Maneuvering Targets With Low SNR Based on Parameter Estimation of Multicomponent Quadratic FM Signals and Nonuniform FFT.
Dong LiXiaogang GuiHongqing LiuJia SuHan XiongPublished in: IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. (2016)
Keyphrases
- parameter estimation
- expectation maximization
- isar imaging
- target tracking
- em algorithm
- low snr
- maximum likelihood
- model selection
- parameter estimation algorithm
- image segmentation
- moving target
- markov random field
- probabilistic model
- three dimensional
- mixture model
- segmentation algorithm
- frequency domain
- k means
- pairwise
- objective function