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Bilateral Blur and Frequency Separation

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The Bilateral blur has a bug whereby when the tolerance is set to zero, the whole image disappears (becomes transparent). This looks something like a divide-by-zero issue.

This bug has now been transferred to 1.10 Frequency Separation in the Bilateral tolerance slider.

Also, using straight Bilateral blur lets me knock out fine detail such as jpg artefacts, while the Bilateral in the Frequency Separation seems much weaker in this.

Dave Straker

Cameras: Sony A7R2, RX100V

Computers: Win10: Chillblast i9 Custom + Philips 40in 4K & Benq 23in; Surface Pro 4 i5; iPad Pro 11"

Favourite word: Aha. For me and for others.

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Is this related to the artefacts that I previously reported in the Blur & Frequency Separation filters?

White artefacts in Gaussian Blur & Frequency Separation

On 8/5/2021 at 5:20 PM, footeg said:

The problem previously reported with artefacts appearing in the above filters is still occurring in the 1.10.1127 stable release. As I said before this appears to be related to our old friend, hardware acceleration. Disable this in performance preferences & the problem goes away. The problem did not occur in the final 1.9 release even with hardware acceleration enabled. I don't think this has been logged as an issue in the beta forum.

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