This toolbox contains Matlab files that implement the Laplacian pyramid (LP) decomposition [1] and the new reconstruction method in [2].
The main functions are LPD and LPR for LP decomposition and reconstruction, respectively. The script LPDEMO provides an example on how to use the main functions in the toolbox.
Features:
+ Can handle signals of any dimension
+ Contain several popular pyramid filters such as '9/7', '5/3' and the original 'Burt' filters
+ Have border handling
Limitation:
- Only work with signal size of power of 2
References:
[1] P. J. Burt and E. H. Adelson, ?The Laplacian pyramid as a compact image code,? IEEE Trans. Commun., vol. 31, no. 4, pp. 532?540, April
1983.
[2] M. N. Do and M. Vetterli, "Framming pyramids", IEEE Trans. on Signal Processing, vol. 51, pp. 2329-2342, Sep. 2003. |