[Leica] comparison of 4 noise reduction programs

[imra at iol.ie (Douglas Barry)]

Thanks for all that work, Don. I think I'll continue to tell my camera 
that we're not allowed to go out in bad light :-)

D


On 19/04/2023 11:50, Don Dory via LUG wrote:
> Greetings to all.  The attached files are the same image processed in 4
> noise reduction programs.  The base image was shot at 25600 ISO and cropped
> to less than 50% of the image.  The camera was a Sony A1 and the lens was a
> Sigma 105 F1.4 at 1.4.  Take a look and decide, the only processing was the
> noise reduction, cropping, and lightening the overall image.
>
> First is LR enhance:
>
> http://gallery.leica-users.org/v/don_dory_gmail_com/Noise/LR+enhance.jpg.html
>
> Next is the older Topaz denoise:
>
> http://gallery.leica-users.org/v/don_dory_gmail_com/Noise/Topaz+denoise.jpg.html
>
> Topaz AI:
>
> http://gallery.leica-users.org/v/don_dory_gmail_com/Noise/Topaz+AI_.jpg.html
>
> DxO deep prime although not the strongest selection:
>
> http://gallery.leica-users.org/v/don_dory_gmail_com/Noise/DxO+deep+prime.jpg.html
>
>
>