Image Edge Detection Based on Gaussian Mixture Model in Nonsubsampled Contourlet Domain.
Li YangChang XiaChang JuanPublished in: J. Electr. Comput. Eng. (2016)
Keyphrases
- gaussian mixture model
- contourlet domain
- contourlet transform
- wavelet domain
- shift invariant
- subband
- multiscale
- feature vectors
- sar images
- mixture model
- image denoising
- fusion model
- wavelet coefficients
- discrete wavelet transform
- multiresolution
- wavelet transform
- translation invariant
- high frequency
- texture images
- image representation
- denoising
- em algorithm
- image fusion
- expectation maximization
- spatial domain
- low frequency
- background subtraction
- maximum likelihood
- human visual system
- information fusion
- feature space
- image compression
- unsupervised learning
- image features
- texture analysis
- estimation algorithm
- feature extraction
- machine learning