Questions tagged [gaussian-blur]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
12 votes
1 answer
5k views

Is doing multiple Gaussian blurs the same as doing one larger blur?

To make Gaussian blurring a 2d image faster, I know that you can do one axis and then the other. I'm wondering though, if I did two Gaussian blurs of size $N$, would that be the same mathematically ...
Alan Wolfe's user avatar
  • 7,791
52 votes
5 answers
75k views

How is Gaussian Blur Implemented?

I've read that blur is done in real time graphics by doing it on one axis and then the other. I've done a bit of convolution in 1D in the past but I am not super comfortable with it, nor know what to ...
Alan Wolfe's user avatar
  • 7,791
10 votes
1 answer
2k views

Why do multiple Gaussian Blurs?

Applying multiple Gaussian blurs can result in an effect that is equivalent to a stronger Gaussian blur. For instance this question says that: Is doing multiple Gaussian blurs the same as doing one ...
Alan Wolfe's user avatar
  • 7,791