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Use of the wavelet transformation to embed signatures in images

✍ Scribed by Kineo Matsui; Junji Ohnishi; Yasuhiro Nakamura

Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
792 KB
Volume
28
Category
Article
ISSN
0882-1666

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Multiresolution representation of images using the wavelet transform is a new approach for the analysis of image information content. The transform can be computed efficiently by a pyramidal algorithm based on convolution with quadrature mirror filters. The result is a set of subband images which co