Lifting Scheme Based Designing of Wavelets in Spiral Addressing Model on a Hexagonal Grid
Fayas A

Fayas A, Taif University College and IT Taif, Makkah 21974 Saudi Arabia.
Manuscript received on December 05, 2014. | Revised Manuscript received on December 09, 2014. | Manuscript published on December 20, 2014. | PP: 55-60 | Volume-3 Issue-1, December 2014. | Retrieval Number: A0568123114/2014©BEIESP
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Abstract: Image processing in hexagonal grid is very much advantageous than in the conventional rectangular grid. The advantages include higher angular resolution, consistent connectivity and higher sampling efficiency. A wide class of operations on images can be performed directly in the wavelet domain by operating on its coefficients of the images. Operating in wavelet domain enables to operate on different resolutions, manipulate features at different scales and localize the operation in both spatial and frequency domains. A new method of designing hexagonal wavelets using lifting scheme in the spiral addressing scheme is proposed in this thesis. It is computationally efficient because they are not based on Fourier transforms, and could be performed in place
Keywords: Wavelets,lifting scheme,spiral addressing, hexagonal gri