denoising

• ddencmp — Default values for de-noising or compression
• thselect — Threshold selection for de-noising
• wbmpen — Penalized threshold for wavelet 1-D or 2-D de-noising.
• wden — Automatic 1-D de-noising
• wdencmp — De-noising or compression using wavelets.
• wnoise — Noisy wavelet test data
• wnoisest — Estimate noise of 1-D wavelet coefficients
• wthresh — Soft or hard thresholding