An improved cross-correlation approach to parameter estimation based on fractional Fourier transform for ISAR motion compensation.
Jiayin XueLei HuangPublished in: ICASSP (2015)
Keyphrases
- parameter estimation
- cross correlation
- motion compensation
- fractional fourier transform
- log polar
- template matching
- radar imaging
- frequency domain
- maximum likelihood
- motion estimation
- video coding
- motion vectors
- least squares
- motion field
- em algorithm
- markov random field
- synthetic aperture radar
- model selection
- mutual information
- synthetic aperture
- spatial domain
- expectation maximization
- signal processing
- moving target
- image sequences
- three dimensional
- video sequences
- space variant
- image data
- denoising
- higher order
- fourier transform
- feature space
- object recognition
- matching algorithm
- image compression
- image quality