Newsgroups: sci.image.processing
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From: LarryLF@taligent.com (Larry Lynch-Freshner)
Subject: Re: 3D DATA CUBE INTERPOLATION
Message-ID: <LarryLF-1503951602440001@lambics.taligent.com>
Sender: usenet@taligent.com (More Bytes Than You Can Read)
Organization: Taligent
References: <196@rebus.win-uk.net>
Date: Thu, 16 Mar 1995 00:02:44 GMT
Lines: 35

In article <196@rebus.win-uk.net>, mdavison@rebus.win-uk.net (Martin
Davison) wrote:

> Dear sci.image.processing,
> 
> I am working on a problem trying to generate a global data map from
> discrete satellite data swaths.  I have "drawn" a months worth
> of data swaths into a data cube in 1 hour time intervals (x = lon, y
> = lat, z = time) and want to interpolate a complete image for any
> given time. Obviously, the actual data takes up a small amount of
> each individual time plane.
> 
> I have tried fitting a spline along the z data column for each x,y
> and interpolating at a specific time, working across the x,y
> plane, but the combined result is very disappointing.
> 
> Does anyone know a good 3D data cube interpolation algorithm ?
> 
> Any help would be much appreciated.
> 
> Martin Davison 

I don't have a direct answer, but there is an article in the ACM
Transactions on Graphics (V12, N3, July 1993) "Fourier Volume Rendering",
by Tom Malzbender that  should get you started.  He is doing the same
thing using CAT scan data...

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