S. Srinivasa Rao Madane

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This paper aims to avoid the interference imposed by the secondary user on a primary user in Cognitive Radio Network (CRN). In CRN, the interference from secondary user enforced on primary user mainly depends on spectral interval between primary and secondary systems. Moreover, it also depends on the power allocated to the secondary user. In order to avoid(More)
Colour image enhancement is an emerging research area in various fields like forensics, atmospheric science, astrophotography, oceanography and medical imaging. In this paper an efficient colour image enhancement technique is proposed based on Undecimated Wavelet Transform (UWT). In order to preserve the chromatic information, at first the given RGB image(More)
In this paper, a new method for color image enhancement based on wavelet transform is presented. The three different colour channels such as R, G, and B of the input color image are separated initially. The proposed technique decomposes the different colour channels into the four frequency sub-bands by using Discrete Wavelet Transform (DWT). Histogram(More)
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