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Bi-dimensional Discrete Convolution



Naive implementation of bi-dimensional discrete convolution.

$$ \large \displaystyle (h*x)[n_1, n_2]=\sum_{k_1=-\infty}^{\infty}\sum_{k_2=-\infty}^{\infty}h(k_1, k_2)x(n_1-k_1,n_2-k_2) $$

Spatial filtering


Spatial filtering by the application of discrete convolution on images.