756 search results - page 82 / 152 » Structure or Noise |
147
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SSWMC
2004
15 years 6 months ago
2004
Quantization-based watermarking schemes are vulnerable to amplitude scaling. Therefore the scaling factor has to be accounted for either at the encoder, or at the decoder, prior t...
171
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IMAMS
2003
15 years 6 months ago
2003
Watermarking is to embed a structure called a watermark into the target data such as images. The watermark can be used, for example, in order to secure the copyright and detect tam...
117
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FLAIRS
1998
15 years 6 months ago
1998
Motionanalysis often relies on differencing operations that inherently amplify noise and are hindered by the spatial correspondenceproblem.Analternative approach is proposedusing ...
158
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GRC
2008
IEEE
15 years 5 months ago
2008
IEEE
Manifold learning can discover the structure of high dimensional data and provides understanding of multidimensional patterns by preserving the local geometric characteristics. Ho...
133
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CVIU
2008
15 years 4 months ago
2008
Image smoothing using adaptive windows whose shapes, sizes, and orientations vary with image structure is described. Window size is increased with decreasing gradient magnitude, a...