Declaration

TGaussianKernel = class(TWindowedKernel)

Description

TGaussianKernel implements a Gaussian spatial reconstruction kernel.

Mathematics

The normalized Gaussian filter is defined as:

$$f(x)=\frac{1}{\sigma \sqrt{2\pi }}\exp (-\frac{x^2}{2{\sigma }^2})$$

References

• Gaussian function (Wikipedia)
• Gaussian blur (Wikipedia)