Texture description using different wavelet transforms based on statistical parameters

Authors:
U. S. N. Raju;V. Vijaya Kumar;A. Suresh;M. Radhika Mani
Affiliations:
Dept. of CSE, GIET, Rajahmundry, A.P., India;Dept. of CSE and IT, GIET, Rajahmundry, A.P., India;Indian Railway Service and Research Scholar at JNT University, A.P., India;Dept. of CSE, GIET, Rajahmundry, A.P., India
Venue:
WAV'08 Proceedings of the 2nd WSEAS International Conference on Wavelets Theory and Applications in Applied Mathematics, Signal Processing and Modern Science
Year:
2008

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Abstract

The present paper estimates the success rates of Original, Haar, Daubechies-6 and Coiflet-6 wavelet transforms based on first order statistics. Statistical approach is one of the best ways to describe texture primitives. First order statistics are very straight forward. They are calculated from the probability of observing a particular pixel value at a randomly chosen location in the image. The present paper estimated the first order statistics on entire image to estimate the overall behavior of texture with respect to their primitives. In this paper, texture description based on first order statistical features obtained from various one level wavelet transforms are proposed. The various wavelets considered are Haar, Daubachies-6 and Coiflet-6. Since the most significant information of a texture often appears in the approximation coefficients part, this part is used for the computation of first order statistical parameters. Further texture descriptive rates of these wavelets, based on their success rates, were evaluated with the comparison of original textures. The experimental results on 24 Brodatz textures have given good results and concise conclusions are drawn.