Image with Box and X

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Description

xbox(i,j) = I_[i = n/4, 3n/4, j; n/4 ≤q j ≤q 3n/4] + I_[n/4 ≤q i ≤q 3n/4; j = n/4, 3n/4, i]

Usage

1

Format

A 128 x 128 matrix.

Source

S+WAVELETS.

References

Bruce, A., and H.-Y. Gao (1996) Applied Wavelet Analysis with S-PLUS, Springer: New York.

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