GradientCorrection - PixInsight's New Secret Weapon? Tested VS GraXpert

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Download the latest PixInsight and give it a go! :-)
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Опубликовано:

29 фев 2024

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Комментарии : 83

@mouseylikesnuts6437

I saw this PI update in my inbox and thought I'd wait for you or Cuiv to produce a video on it versus Graxpert. Didn't have to wait long 😄

@josephluciani5531

Appreciate your producing this considering you’re under the weather. Like others who commented, I just saw this in my inbox this morning and was about to investigate the Pixinsight channel….and, bam! there was your video! You’re always on top of this quickly evolving hobby and it’s much appreciated (saves us a lot of work). Hopefully I speak for everyone else at this channel when I say, take a break, get to bed and get better. We’ll all be here when you’re up to speed physically,

@SarahMathsAstro

So glad to see this update and comparison from you. Thanks so much, Luke! Awesome video and very helpful :)

@Wombatzone31

Graxpert saved my Horse Head, that cursed star actually gave me a reflection of the Artimus-C Pro sensor on the back side of the filter. Had a nice square around Alnitak wich Graxpert was able to remore.

@Jcorban08

Much appreciate your helpful comparison, Luke! Many thanks!

@ILParr

The latest GradientXPert AI was trained on seperate channel data so after cropping the very first step was to apply to each channel before anything else. Also with narrowband manually setting sample points made a huge difference. That said the new Gradient Correction tool is simply better and ridiculously fast. Yes the last year in Pixinsight and 3rd party tools and scripts has radically improved end results to the point we can deal with rubbish weather by reprocessing old data. Great work and yes ABE and DBE are past their used by date. Thanks for the full comparison tests.💫👍

@deep_space_dave

Hey Luke! This looks very interesting! I have tested it on my VDB-152 as well and had similar results but some others are a bit mixed. I suppose as this tool evolves, it will get better over time and as the MARS project builds up more data to work with. The most interesting thing about this is that it is not a tool based in AI! Man you've had it hard this year with illnesses :-( Hope the next thing you catch is a comet :-D Clear Skies mate!

@CuivTheLazyGeek

Awesome Luke! Pleiades image, GC overcorrected near the "arms" of nebulosity in the center (creating those dark lanes)! I think changing the thresholds or smoothness may help!

@mikeharden7904

As soon as I got the Pixinsight notice I wondered about a comparison between the new gradient tool and Graxpert. Then, in no time, I got your notice of a comparison. Good job. I'm convinced. Sorry about the weather and you being under the weather. But, you've made the best of it 😊

@darkrangersinc

Wow, you are definitely battling some serious gradient! Thanks for demonstrating it, knowing it will work on some of these means it will be a cakewalk for what some people see ❤. Showing the intricate difference side-by-side on the faint nebula is really what matters you chose great targets for that! I think all of these tools at this point can remove the negative grade, but the real battle is which one keeps the most “good” data!

@briankotak403

Great comparison Luke. Every time a new tool comes out I start to reprocess previous images. Gives me something to do on cloudy nights! Gradients have always driven me crazy. Gradient Expert is pretty good but sometimes too aggressive. I’ll try the new tool in PI. Finally had a couple of clear nights (after more than 2 months of clouds). Imaged Thor’s Helmut and the Headphone Nebula. Stunning! Hope you are feeling better. Dr B from Manitoba, Canada 🇨🇦

@bridgeforth

I literally bought graxpert like three days ago not knowing pixinsight was getting ready to launch something else LOL If I had known, I would have obviously waited

@cmdrjedirogue5098

Thanks for the comparison Luke! It looks like either tool will do a really good job and with some fine tuning I doubt that I could pick a winner. As I'm used to Graxpert I will probably just continue to use that tool, but I will give PI's GC tool a spin as I think the fine tuning may be a little easier having watched their instructional videos. As always a great comparison with a range of targets being corrected.

@HeavenlyBackyardAstronomy

Well, this is exciting. Thanks, Luke.

@fjrodrick

Thanks! There’s not a chance my own comparisons would have caught the differences yours did. Cloudy here in SoCal too but someday I’ll put this to use.

@l.m2517

Extermination on the stars could have given us a better view on how well these different tools preserved the nebulosity in your image but nice comparison. I stick with the APP gradient removal tool as I never found Graxpert and other tools consistent enough.

@Tony-Elliott

Hi Luke great comparison video mate, the improvement in software over the last few years is unbelievable and it just keeps getting better I think that the software we use to edit our images is now more important then the equipment we use, hope your on the mend mate , will be good to get some clear skies so we can all see the stars again

@nikaxstrophotography

I had a little play and found Gradient correction better for complex gradients with adjustments made after viewing the videos from Pixinsight's youtube page and Sasha's youtube page (View into Space) with the fine tuning you get some amazing results with Gradient Correction. Also I had a play with using both on one image and it seemed to work well. Graxpert still has its used but I reckon Gradient Correction will be a winner.

@Wheeljack678

I think GraXpert is awesome for what it is - a completely free tool that can be used standalone. But, I've noticed that it more often than not add artifacts to my images so I've used it with caution and instead stuck with ABE. This new feature in Pixinsight looks really promising. Thanks for the comparison you did. I was really curious about the actual side-by-side differences myself.

@johnblack9499

Thanks for that Luke, these comparison videos are very useful. I use GraXpert standalone and I was glad to see it compared well with an internal PI tool. I'll buy PI one day I am sure, but just happy to play with freebies for moment. Hopefully you get some clear skies soon!