"Provable ICA with Unknown Gaussian Noise, with Implications for Gaussian Mixtures and Autoencoders".
Sanjeev AroraRong GeAnkur MoitraSushant SachdevaPublished in: NIPS (2012)
Keyphrases
- gaussian noise
- gaussian mixture
- denoising
- noisy images
- em algorithm
- gaussian mixture model
- covariance matrix
- image denoising
- closed form
- image processing
- natural images
- expectation maximization
- salt and pepper noise
- noise removal
- signal to noise ratio
- mixture model
- impulse noise
- density estimation
- noise level
- image restoration
- feature extraction
- probability density function
- principal component analysis
- face recognition
- maximum likelihood
- signal processing
- image classification
- face images
- higher order
- nearest neighbor
- probabilistic model