The analysis of oriented features in images requires two-dimensional directional wavelets. Among these, we study in detail the class of Cauchy wavelets, which are strictly supported in a (narrow) convex cone in spatial frequency space. They have excellent angular selectivity, as shown by a standard
✦ LIBER ✦
Directional Wavelets and a Wavelet Variogram for
✍ Scribed by E. H. Bosch; A. P. González; J. G. Vivas; G. R. Easley
- Publisher
- Springer-Verlag
- Year
- 2009
- Tongue
- English
- Weight
- 708 KB
- Volume
- 41
- Category
- Article
- ISSN
- 1874-8961
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## Abstract In this paper, a novel image compression technique, the combination of wavelet packet transform and directional decomposition is proposed. Wavelet packet transform is an increasingly remarkable image compression approach that outperforms the standard wavelet transform in image coding. T
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