1. Effern, A., Lehnertz, K., Schreiber, T., David, P., Grunwald, T., Elger, C.E.: Nonlinear denoising of transient signals with application to event-related potentials. Physica D 140, 257–266 (2000)
2. Gruber, P., Theis, F.J., Tomé, A.M., Lang, E.W.: Automatic denoising using local independent component analysis. In: Proc. International ICSC Conference on Engineering of Intelligent Systems, ESI 2004 (2004)
3. Hyvärinen, A., Oja, E.: A fast fixed-point algorithm for independent component analysis. Neural Computation 9, 1483–1492 (1997)
4. Hyvärinen, A., Hoyer, P., Oja, E.: Image Denoising by Sparse Code Shrinkage. In: Intelligent Signal Processing, IEEE Press, Los Alamitos (2001)
5. Jain, A.K., Dubes, R.C.: Algorithms for Clustering Data. Prentice-Hall, New Jersey (1988)