A new method for Doppler centroid estimation for spaceborne SAR based on chirp scaling algorithm.
Yunhua ZhangWenshuai ZhaiPublished in: IGARSS (2007)
Keyphrases
- estimation algorithm
- high accuracy
- k means
- cost function
- preprocessing
- detection algorithm
- improved algorithm
- computational complexity
- optimization algorithm
- parameter estimation
- computational cost
- significant improvement
- dynamic programming
- convergence rate
- computationally efficient
- segmentation algorithm
- estimation accuracy
- detection method
- matching algorithm
- clustering method
- input data
- synthetic and real images
- energy function
- em algorithm
- segmentation method
- recognition algorithm
- similarity measure
- learning algorithm
- optimization method
- scaling factors
- expectation maximization
- objective function
- probabilistic model
- optimal solution
- support vector machine svm
- estimation process
- classification algorithm
- tree structure
- density estimation
- maximum likelihood
- feature extraction