A huge kernel that matches a 127x127 Gaussian blur kernel.
A large kernel that matches a 35x35 Gaussian blur kernel.
A medium sized kernel that matches a 23x23 Gaussian blur kernel.
A small kernel that matches a 15x15 Gaussian blur kernel.
A very large kernel that matches a 63x63 Gaussian blur kernel.
A very small kernel that matches a 7x7 Gaussian blur kernel.
A blur kernel size enumeration.