Exploring weak-periodic-signal stochastic resonance in locally optimal processors with a Fisher information metric.
Fabing DuanFrançois Chapeau-BlondeauDerek AbbottPublished in: Signal Process. (2012)
Keyphrases
- fisher information
- stochastic resonance
- locally optimal
- image enhancement
- contrast enhancement
- globally optimal
- signal to noise ratio
- signal processing
- probability density function
- information geometry
- riemannian metric
- euclidean space
- additive noise
- low signal to noise ratio
- positive definite
- noise level
- image processing
- estimation error
- multidimensional scaling
- free energy
- dynamic programming
- optimal solution
- high frequency
- geodesic distance
- kullback leibler divergence
- edge detection
- signal analysis
- pattern recognition
- gray level
- natural images
- graph cuts
- objective function
- machine learning