An adaptive approach for contextual audio denoising using local Fisher information.
Alexandre L. M. LevadaDébora C. CorrêaPublished in: ISCAS (2011)
Keyphrases
- fisher information
- denoising
- noisy images
- image denoising
- noise level
- probability density function
- information geometry
- euclidean space
- contextual information
- image processing
- wavelet domain
- natural images
- estimation error
- positive definite
- geodesic distance
- visual data
- visual information
- kullback leibler divergence
- multidimensional scaling
- multiresolution
- lower bound
- mutual information
- noise model
- exponential family
- free energy
- information theory