Education | How To Edit A Low-Light Noisy RAW File

[kelleydoc358]

[Please describe your issue here. Try to include logs (Help → Logging) and add screenshots if necessary.]

Steps to reproduce issue:

1. Step 1 Loaded image from LRC using RAW image method (File>Plug in extras> Topaz Photo AI)
2. Step 2 Applied RAW noise model then sharpen model as chosen by the program (Standard)
3. Step 3 Saved to LrC and lightened the shadows with a mask and the shadows were blotchy, unusable.
4. Ran same image through Sharpen AI v4.1 using standard model and saved to LrC.
5. Much more detail in the shadows with Sharpen AI, usuable image for social media

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Topaz Photo AI [v3.3.3] on [Windows]

[david.horita]

I’ve found that tpai loses color gradation at both high and low ends when dealing with .dng’s - dark areas become blotchy and light areas get blown out. You can even see it in the histogram - smooth dark areas become spiky as if they’re denoising at a low color bit depth and then saving the output file at a higher depth.
What I’ve had to do in these cases is use tpai on a shadow-adjusted tiff, rather than the raw.

[Ange.topazlabs (ange.topazlabs@gmail.com)]

Hello William - @kelleydoc358

This image has overall RAW noise, that all RAW files have, for which RAW denoise will take case of. It also has low-light noise in the shadows, for which Denoise needs to be used. Make sure to add a Denoise for the shadow area, and put the Original Detail slider high. Then retest!