Newsgroups: comp.dsp
Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!wuarchive!cec2!news
From: abed@saturn.wustl.edu (Abed M. Hammoud)
Subject: Re: Wavelet Transforms?
Message-ID: <1991Jun14.210016.28567@cec1.wustl.edu>
Organization: Washington University, ESSRL
References: <6654@qip.UUCP>
Date: Fri, 14 Jun 91 21:00:16 GMT

In article <6654@qip.UUCP> john@anasaz.uucp (John Moore) writes:
>Can anyone post a summary of the concept of wavelet transforms? I have
>read that these are the "hot new thing."
>
>In an attempt to solicit information, let me guess what they are. That
>way, if you know but are too lazy to answer my first request, you
>will be sorely tempted to  set me straight:-)
>
>I would guess that they are a form of the general Fourier transform.
>By this, I do not mean the traditional transform, but rather a class
>of transforms characterized by the use of orthogonal functions - by this
>definition a LaPlace (sp?) transform and a Walsh transform is also a 
>Fourier transform. With wavelets, presumably someone found a nifty 
>set of orthogonal, spanning functions that resemble solitons or
>sinx/x functions or something else that is new and marvelous.
>
>Well, am I close? Am I all wet? Please don't send arcane references, as
>I am quite a distance from a good library.
>
>Thanks (I hope).

	I would also be interested in reading something about wavelets
	transform....

	thanks, 
	abed@saturn.wustl.edu



