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function [ScIndex, ScLength] = WTStruct(WT)
// This Software is ( Copyright INRIA . 1998 1 )
//
// INRIA holds all the ownership rights on the Software.
// The scientific community is asked to use the SOFTWARE
// in order to test and evaluate it.
//
// INRIA freely grants the right to use modify the Software,
// integrate it in another Software.
// Any use or reproduction of this Software to obtain profit or
// for commercial ends being subject to obtaining the prior express
// authorization of INRIA.
//
// INRIA authorizes any reproduction of this Software.
//
// - in limits defined in clauses 9 and 10 of the Berne
// agreement for the protection of literary and artistic works
// respectively specify in their paragraphs 2 and 3 authorizing
// only the reproduction and quoting of works on the condition
// that :
//
// - "this reproduction does not adversely affect the normal
// exploitation of the work or cause any unjustified prejudice
// to the legitimate interests of the author".
//
// - that the quotations given by way of illustration and/or
// tuition conform to the proper uses and that it mentions
// the source and name of the author if this name features
// in the source",
//
// - under the condition that this file is included with
// any reproduction.
//
// Any commercial use made without obtaining the prior express
// agreement of INRIA would therefore constitute a fraudulent
// imitation.
//
// The Software beeing currently developed, INRIA is assuming no
// liability, and should not be responsible, in any manner or any
// case, for any direct or indirect dammages sustained by the user.
//
// Any user of the software shall notify at INRIA any comments
// concerning the use of the Sofware (e-mail : FracLab@inria.fr)
//
// This file is part of FracLab, a Fractal Analysis Software
// Returns the index of the first element of each scale
// in the WT array and the length of each scale
// If the WT has been computed at N scales, the two resulting array
// are (1,N+1) matrixes because the "last scale" is in fact the last
// low pass projection.
//
// Scindex contains the index of the first element
// ScLength contains the length of each scale
//
//
// Example: plot( WT(ScIndex(2):ScIndex(2)+SCLength(2)-1))
// shows the 2nd scale wavelet coefficients on a graph
//
// See also : FWT, IWT, NbScales
//
// Bertrand Guiheneuf 1996
//
SignalLength = int(WT(1));
NbScales = int(WT(2));
QMFlength = int( WT(3) + WT(4) +1 );
ScIndex=zeros(1,NbScales+1);
ScLength=zeros(1,NbScales+1);
ScIndex(1)=5 + QMFlength;
Sc=1;
for k=1:NbScales,
SignalLength = floor( (SignalLength +1)/2 ),
ScLength(Sc)=SignalLength,
Sc = Sc + 1,
ScIndex(Sc) = ScIndex(Sc-1) + SignalLength,
end;
ScLength(Sc) = int(SignalLength);
// END OF WTStruct
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