Hi ! is there a function that perform a bidimensional discrete wavelet transform (2D DWT) ? Rwave pachage process 1D signals only. I need a package of function performing the DWT of a 2D signal. Does it already exist ? In this case where can I find it ? Thanks in advance. Paola. -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._
On Thu, 30 May 2002, Paola Lecca wrote:> Hi ! > > is there a function that perform a bidimensional discrete wavelet > transform (2D DWT) ? > > Rwave pachage process 1D signals only. I need a package of function > performing the DWT of a 2D signal. Does it already exist ? In this case > where can I find it ?I think wavethresh has such a function. -thomas -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._
See wavethresh and waveslim on CRAN. Cheers, Tim On Thu, 2002-05-30 at 03:23, Paola Lecca wrote:> Hi ! > > is there a function that perform a bidimensional discrete wavelet > transform (2D DWT) ? > > Rwave pachage process 1D signals only. I need a package of function > performing the DWT of a 2D signal. Does it already exist ? In this case > where can I find it ? > > Thanks in advance. > Paola. > > -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- > r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html > Send "info", "help", or "[un]subscribe" > (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch > _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._