Restoration of defocused and blurred images.

Fascinating: Restoration of defocused and blurred images. Yuzhikov.com.

The author explains the theory of mathematically converting a blurred image back into a sharp image. Think about that for a moment.

To understand the theory, it is helpful to understand some basic linear algebra for the matrix math operations and is helpful to understand the basic of signal processing such as the Fourier function.

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