Gaussian blur

1. What are the 4 types of blur?
2. What does a Gaussian blur do?
3. What is Gaussian blur vs Lens Blur?
4. How do you do the Gaussian blur?

What are the 4 types of blur?

Four types of blur are considered: defocus, rectangular, motion and Gaussian ones.

What does a Gaussian blur do?

The Gaussian blur is a way to apply a low-pass filter in skimage. It is often used to remove Gaussian (i. e., random) noise from the image. For other kinds of noise, e.g. “salt and pepper” or “static” noise, a median filter is typically used.

What is Gaussian blur vs Lens Blur?

”Lens Blur” creates bokeh effect without losing the object outlines completely. Glowing lights are expressed as round bokeh effect, so you can still recognize the objects and scenery. ”Lens Blur” processing is heavier than “Gaussian Blur”, however it creates a dramatic and beautiful background effect.

How do you do the Gaussian blur?

Go to Filter > Blur > Gaussian Blur, and the Gaussian Blur window will appear. You can drag the image in the Gaussian Blur window to look for the object you are going to blur. If you find it too small, tick the Preview box, and the result of the Gaussian Filter blur will be visible in the image.