References

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7. References and MATLAB files

[1] P. J. Burt and E. H. Adelson, "The Laplacian pyramid as a
compact code," IEEE Transaction on Communications, vol.
COM-31, pp. 532-540, Apr. 1983.

[2] D. A. F. Florencio and R. W. Schafer, "A non-expansive
pyramidal morphological image coder," Proceedings. ICIP-
94, IEEE International Conference on Image Processing,
1994, vol. 2, pp. 331-335.

MATLAB m-files

ba_pyramid.m Burt/Adelson pyramid coder, which uses
- reduce.m Filter and Subsample image
- expand.m Interpolate image
nonlinear_pyramid.m Nonlinear pyramid described in section3. It uses
- subsample.m Just subsample image
- expand2.m Interpolator using weighted median statistic
switch_pyramid.m Pyramid using various filters according to a switching scheme. It uses
- switch_reduce.m filter and subsample image using a switching criterion.
- expand2.m same as the one above.
- filter4x4.m 4x4 2D filter
- comp_diff.m compute sum of difference between adjacent pixel values
gen_zone.m generates image ZONE

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