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Snail/helix matrix indexing

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27 Aug 2012 (Updated )

The function calculates Snail/Helix formed matrix indexing.

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Description

While Matlab scans/indexes matrices column-wise, some algorithms demand Snail/Escargot/Helix indexing (LBP is the last case I've encountered this issue). This functions implements (very shortly and intuitively if I may add) such an indexing, missing from Matlab indexing methods.

Acknowledgements

This file inspired Opposite Color Local Binary Patterns (Oc Lbp).

Required Products MATLAB
MATLAB release MATLAB 7.12 (R2011a)
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Updates
04 Sep 2012

–ěptional parameters "rotDir" and "growDir", specifying vertex rotation direction, and vertex growth direction added.

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