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Re: [Proposal] Blur algorithm (fast box blur with gaussian approximation) [message #53654 is a reply to message #53653]

Sat, 18 April 2020 20:15

Oblivion
Messages: 1094
Registered: August 2007

Senior Contributor

Ah, yes, I totally forgot that! Rolling Eyes

AFAIK, a single Premultiply(out) at the end should be sufficient.

Edit: But since this implementation don't have a working alpha channel, Premultiply should be removed completely.

This algorithm is not "the fastest", but reasonably fast and works well.

Best regards,
Oblivion

Github page: https://github.com/ismail-yilmaz
upp-components: https://github.com/ismail-yilmaz/upp-components
Bobcat the terminal emulator: https://github.com/ismail-yilmaz/Bobcat

[Updated on: Sat, 18 April 2020 20:33]

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[Message index]

		[Proposal] Blur algorithm (fast box blur with gaussian approximation) By: Oblivion on Sat, 18 April 2020 00:51
		Re: [Proposal] Blur algorithm (fast box blur with gaussian approximation) By: mirek on Sat, 18 April 2020 19:33
		Re: [Proposal] Blur algorithm (fast box blur with gaussian approximation) By: Oblivion on Sat, 18 April 2020 20:15
		Re: [Proposal] Blur algorithm (fast box blur with gaussian approximation) By: mirek on Sat, 18 April 2020 23:43
		Re: [Proposal] Blur algorithm (fast box blur with gaussian approximation) By: Oblivion on Sun, 19 April 2020 10:13
		Re: [Proposal] Blur algorithm (fast box blur with gaussian approximation) By: mirek on Sun, 19 April 2020 17:09
		Re: [Proposal] Blur algorithm (fast box blur with gaussian approximation) By: Oblivion on Sun, 19 April 2020 18:06
		Re: [Proposal] Blur algorithm (fast box blur with gaussian approximation) By: mirek on Mon, 20 April 2020 12:30
		Re: [Proposal] Blur algorithm (fast box blur with gaussian approximation) By: Oblivion on Tue, 21 April 2020 13:04

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