Mastering OpenCV 4 with Python

Smoothing images

As previously mentioned, in the smoothing_techniques.py script you will see other common filtering techniques to perform a smoothing operation. Smoothing techniques are commonly used to reduce noise, and additionally, these techniques can also be applied to reduce the pixelated effect in low-resolution images. These techniques are commented as follows.

You can see the output of this script in the following screenshot:

In the preceding screenshot, you can see the effect of applying common kernels in image processing.