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The Marr Wavelet Pyramid

D. Van De Ville, M. Unser

Proceedings of the 2008 Fifteenth IEEE International Conference on Image Processing (ICIP'08), San Diego CA, USA, October 12-15, 2008, pp. 2804-2807.


We introduce a new semi-orthogonal complex wavelet basis of L2(ℝ2). The basis functions are associated to the complex gradient-Laplace operator, which plays a central role in image processing. We define analytically a single-generator wavelet that is shifted on the coset positions of the subsampling matrix.

Next, we propose the "wavelet Marr pyramid" for an extension of the new basis that achieves near shift-invariance and steerability (using a Gaussian-like smoothing kernel), for a mild redundancy factor only. This new wavelet pyramid decomposition closely mimicks the basic operations of Marr's framework for early vision. The pyramid is implemented by a fast filterbank algorithm using the FFT.

@INPROCEEDINGS(http://bigwww.epfl.ch/publications/vandeville0802.html,
AUTHOR="Van De Ville, D. and Unser, M.",
TITLE="The {M}arr Wavelet Pyramid",
BOOKTITLE="Proceedings of the 2008 Fifteenth {IEEE} International
	Conference on Image Processing ({ICIP'08})",
YEAR="2008",
editor="",
volume="",
series="",
pages="2804--2807",
address="San Diego CA, USA",
month="October 12-15,",
organization="",
publisher="",
note="")

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