Merge pull request #55 from vksvinicius/patch-2

Update linear_image_filtering.qmd

Author: shensquared

linear_image_filtering.qmd

@@ -152,7 +152,7 @@ $$E = \sum_{n = -\infty}^{\infty} \left| \ell\left[n\right] \right| ^2$$
 
 
 :::{.column-margin}
-Siganl energy and general energy are equivalent up to a normalization constant. For instance, the energy dissipated by a resistance $R$ with voltage $v(t)$ is
+Signal energy and general energy are equivalent up to a normalization constant. For instance, the energy dissipated by a resistance $R$ with voltage $v(t)$ is
 \begin{equation}
 E = \frac{1}{R} \int_{-\infty}^{\infty} v(t) ^2 dt
 \end{equation}
@@ -203,7 +203,7 @@ analytical characterization: linear systems.
 **Linear systems** represent a very small portion of all the possible
 systems one could implement, but we will see that they are capable of
 creating very interesting image transformations. A function $f$ is
-linear is it satisfies the following two properties:
+linear if it satisfies the following two properties:
 
 $$\begin{aligned}
 f\left( \boldsymbol\ell_1+\boldsymbol\ell_2 \right) &=& f(\boldsymbol\ell_1)+ f(\boldsymbol\ell_2) \\ \nonumber