Smooth sigmoid wavelet shrinkage for non-parametric estimation
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![Fig. 2. The SSBS functions δ τ , λ for different values of τ . It follows that τ parameterizes the curvature of the arc A 0O A , that is, the arc of the SSBS function in the interval ] − λ , λ [](https://thumb-eu.123doks.com/thumbv2/123doknet/12279711.322343/3.918.556.760.115.262/functions-different-values-follows-parameterizes-curvature-function-interval.webp)
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