Asymptotic behavior of the minimum mean squared error threshold for noisy wavelet coefficients of piecewise smooth signals.
Maarten JansenAdhemar BultheelPublished in: IEEE Trans. Signal Process. (2001)
Keyphrases
- wavelet coefficients
- piecewise smooth
- minimum mean squared error
- wavelet domain
- wavelet transform
- multiresolution
- subband
- gaussian noise
- multiscale
- noisy images
- signal to noise ratio
- image denoising
- cdma systems
- denoising algorithm
- noise free
- signal processing
- feature vectors
- noise variance
- maximum a posteriori
- sparse representation
- minimum mean square error
- image compression
- edge detection
- face recognition