![]() ![]() Topaz DeNoise AI is a hot and popular product for cleaning up noisy images. Now, I know it's better to 'get it right in camera', but if you come back from a trip to a dark site and by some terrible error everything is OOF or trailed, this gives some hope. Home Reviews Software Testing Topaz DeNoise AI for Astrophotography By: Alan Dyer Published: Nightscape Noise Reduction DeNoise AI is most effective at smoothing noise in high-ISO nightscapes, while also providing some sharpening to ground details. Warning it's very slow, maybe 3 minutes on my computer to process a large file. because of that, I like 'stabilize' most. It's odd that 'sharpen' produces a lot of blue stars. I like their Detail product for sharpening very well, and have been using DeNoise more and more, especially since they came out with the 'AI' version. I used the other two modes at their default of 50%, but stabilize at 100 % because in every case I looked at, 50% seemed like weak tea. Stabilize also improves images that don't have trailing:Ĭlockwise from upper left: 'focus', 'sharpen', unprocessed, 'stabilize'. The greater magnification shows the artifacts in the middle (simple stabilize at 100 power), and the improvement in star shapes with some Gausssian broadening. But looking closely, there were some artifacts at the base of the bright stars, so I applied 0.5 pixel Gaussian broadening to suppress them and got the RHS image. these work pretty darn good for astrophotography considering they were designed for daytime photography, you just need to back way off on the settings. I ran this mode with the power at 100% and got the middle view. Together, we've already captured and processed a Sunflower Galaxy image, right here from Tokyo - can we make it better using TopazDenoise's AI Noise Reductio. 'Stabilize' is the one to use for trailed stars. ![]() So what can be done? Topaz Sharpen AI (nfi) has 3 modes- sharpen, stabilize, and focus. ![]() Topaz Denoise They aren't cheap, but if the web sites are to be believed they're a game changer. I was testing how long I could expose (I bumped the tripod, and 30 sec subs were fine, but I wondered if I could extend that.0 The image LHS is 3 minutes (200%), and the trailing make it look like 1 minute is about the limit. What are your thoughts on NoiseXterminator vs. Someone posted on another forum about this product, so I thought I'd try it for astro, especially for cases where the stars are trailed a bit. Do you agree with Topaz Labss 4-star rating Check out what 39543 people have written so far, and share your own experience. DeNoise AI To update to the latest version v2.0.0 of DeNoise AI, you will need to manually uninstall v1.3.3 from your computer (see uninstall instructions on our FAQ page) and reinstall Denoise AI using the a. DeNoise AI is most effective at smoothing noise in high-ISO nightscapes, while also providing some sharpening to ground details. ![]()
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