Steerable pyramid.

The steerable pyramid, a steerable, multi-scale oriented image transform, is useful for image analysis and synthesis. It has non-aliased sub-bands, which offers advantages over orthogonal wavelet image transforms.




Applications and source code:


References

E. P. Simoncelli and W. T. Freeman, The steerable pyramid: a flexible architecture for multi-scale derivative computation, 2nd Annual IEEE Intl. Conference on Image Processing, Washington, DC. October, 1995. MERL-TR95-15.

E. P. Simoncelli, W. T. Freeman, E. H. Adelson and D. J. Heeger. Shiftable Multi-Scale Transforms. IEEE Trans. Information Theory, Special Issue on Wavelets. Vol. 38, No. 2, pp. 587-607, March 1992. Abstract / Full (1.1M)

W. T. Freeman and E. H. Adelson, The design and use of steerable filters, IEEE Trans. on Pattern Analysis and Machine Intelligence, vol. 13, no. 9, pp. 891 - 906, September, 1991. MIT Vision and Modeling Group TR 126.

H. Greenspan, S. Belongie, R. Goodman, P. Perona, S. Rakshit, and C. H. Anderson, Overcomplete steerable pyramid filters and rotation invariance, Proceedings Computer Vision and Pattern Recognition (CVPR '94), IEEE Computer Society, p. 222 - 228.

D. Shy and P. Perona, X-Y separable pyramid steerable scalable kernels, Proceedings Computer Vision and Pattern Recognition (CVPR '94), IEEE Computer Society, p. 237 - 244.