The role of sigma in the Gaussian filter is to control the variation around its mean value. So as the Sigma becomes larger the more variance ... ... <看更多>

The parameter sigma is enough to define the Gaussian blur from a continuous point of view. In practice however, images and convolution kernels are discrete. ... <看更多>

C++ implementation of a fast gaussian blur approximation in linear time. ... but independent of sigma hence sigma = 5 is equally fast as sigma = 50. ... <看更多>

The 'kernel' for smoothing, defines the shape of the function that is used to take the average of the neighboring points. A Gaussian kernel is a kernel with the ... ... <看更多>

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