146 search results - page 12 / 30 » Enhance Performance of Secure Image Using Wavelet Compressio... |
DCC
2005
IEEE
15 years 9 months ago
2005
IEEE
Hyperspectral images have correlation at the level of pixels; moreover, images from neighboring frequency bands are also closely correlated. In this paper, we propose to use distr...
100
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ICMCS
2005
IEEE
15 years 3 months ago
2005
IEEE
Compression ratio and computational complexity are two major factors for a successful image coder. By exploring the Laplacian distribution of the wavelet coefficients, a new bit ...
79
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CRV
2008
IEEE
14 years 11 months ago
2008
IEEE
The recent digital revolution has facilitated communication, data portability and on-the-fly manipulation. Unfortunately, this has brought along some critical security vulnerabili...
PCM
2007
Springer
15 years 3 months ago
2007
Springer
In this paper, we propose a new technique for extracting salient regions in an image. Identification of salient regions is useful for region/object based image processing. Previous...
77
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DCC
2004
IEEE
15 years 9 months ago
2004
IEEE
It is well-known that wavelet transforms provide sparse decompositions over many types of image regions but not over image singularities/edges that manifest themselves along curve...