Ordinary image sharpening tends to just make existing edges look sharper; dof blurriness obliterates the edges. Strong sharpening on a strongly DoF-blurred imag

Ordinary image sharpening tends to just make existing edges look sharper; dof blurriness obliterates the edges. Strong sharpening on a strongly DoF-blurred image might actually make the visual contrast between in-focus and out-of-focus areas stronger.