A Fast Gradient Approximation for Nonlinear Blind Signal Processing.
Jordi Solé-CasalsCesar F. CaiafaPublished in: Cogn. Comput. (2013)
Keyphrases
- signal processing
- numerical integration
- image processing
- pattern recognition
- piecewise constant
- linear approximation
- fourier transform
- error bounds
- filter bank
- computer vision
- independent component analysis
- queueing networks
- approximation error
- highly nonlinear
- taylor series
- gauss seidel
- neural network
- mumford shah model
- complementarity problems
- gradient orientation
- difference equations
- nonlinear equations
- orientation histogram
- gradient method
- gradient information
- frequency domain