OpenCV IP Filter GaussianBlur

[junxnone]

高斯核

• 1D 高斯核: $G_i= \alpha e^{-(i-( \texttt{ksize} -1)/2)^2/(2 \texttt{sigma}^2)}$
• 2D 高斯核: $G{0}(x, y) = A e^{ \dfrac{ -(x - \mu{x})^{2} }{ 2\sigma^{2}{x} } + \dfrac{ -(y - \mu{y})^{2} }{ 2\sigma^{2}_{y} } }$

D	高斯核 OpenCV API	高斯核
1D 7x1	cv2.getGaussianKernel(7, 0.8)
2D 5x5	cv2.getGaussianKernel(5, 0.9) * cv2.getGaussianKernel(5, 0.9).T