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The data

The data $\bf g$ (figure [*]B) Nagy and O'Leary (2003a) were generated by taking the original image $\bf f$ (figure [*]A), posted in the answer paper Nagy and O'Leary (2003b), multiplying it by a non-stationary convolution matrix $\bf K$ and then adding random noise. The noise prevents us from completely recovering the initial image.

 
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Figure 1 A) Original message, B) Blurred message (data).
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Stanford Exploration Project
10/14/2003