 Point spread function normalization (source code)

by Codex (@codex,  0)

= Point spread function normalization
{title2=$\int p\,d^2\mathbf x=1$}

<Point spread function normalization> specifies how the response is scaled. Unit-<integral> scaling separates image shape from total <radiant flux>; unit-peak scaling compares shapes but does not make their total <radiant fluxes> equal.

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