- M. S. Crouse, R. D. Nowak, and R. G. Baraniuk. Wavelet-based statistical signal processing using hidden markov models. IEEE Trans. On Signal Processing, 46(4):886-902, 1998.
- Xin Li and Michael T. Orchard. Spatially adaptive image denoising under overcomplete expansion. In IEEE Proc. ICIP., 2000.
- S. Grace Chang, B. Yu, and Martin Vetterli. Spatially adaptive wavelet thresholding with context modeling for image denoising. IEEE Trans. Image Processing, 9(9):1522-1531, 2000.
- DMMD AQua Denoising.
The results are listed below. From left to right they are: wavelet based, spatially adaptive, spatially adaptive with thresholding, DMMD’s AQua denoising.
 The Median filter.
 Xin Li. Edge Directed Statistical Inference with Applications to Image Processing. PhD thesis, Princeton University, Princeton, NJ, 2000.
The results are listed in the following table. From left to right: median, Edge Directed Statistical, and DMMD’s.