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Standard Rayleigh fading is $C\mathcal N\left(0,1\right)$ then $E\{\lvert h \rvert^2\} = 1$. Using Jensen's inequality $$\begin{align}\Delta&=E\left\{\log\left(\lvert h \rvert^2\right)\right\}\\ &\ge \log(E\{\lvert h \rvert^2\}) \\&= \log(1) \\&= 0 \\&> -0.83\end{align}$$ and this $\Delta$ should not be $-0.83$? I think I made some ...


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Does this means I have to manually adjust the filter sizes for any new image? yes! You need to know the kind of edges you want to detect. And that "kind of edge" is a "width of the edge in pixels" in disguise. So, you need more "intelligence" than just a DOG if you want to detect your favourite kind of edge in pictures of any zoom / resolution. Is there ...


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