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Wavelab Toolbox >> Wavelab Toolbox > Orthogonal Wavelet Transform Tools > quadlength

quadlength

Find length and dyadic length of square matrix

Calling Sequence

[n,J] = quadlength(x)

Parameters

Inputs:

x :

2-d image; size(n,n), n = 2^J (hopefully)

Outputs:

n :

length(x)

J :

least power of two greater than n

Description

A warning message is issue if n is not a power of 2, or if x is not a square matrix.

Authors

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