opToepSign')">opToepSign</a>     -Toeplitz matrix with random sign entries</li><li><a href="matlab:doc('opWavelet')">opWavelet</a>      - Wavelet operator</li><li><a href="matlab:doc('opWindow')">opWindow</a>       - Diagonal window matrix</li></ul></div><!--/introduction--><p>The curvelet transform requires external software which, because of licensing restrictions, cannot be included with the Spot distribution. Although the Spot interface is included, the package that implements the underlying transform m