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What program do you use to reduce noise?

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As we all know, M8 at high ISO produces images with a high percentage of noise.

I have always used the Noiseware application with all my cameras, which I installed in Photoshop as a filter.

What noise reduction system do you use?
What is your opinion of Noiseware?

I await instructions and advice.
a greeting

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I used to use Dfine2 from Google Nik Collection that can still be had for free in spite of DxO selling an updated version of same.
https://google-nik-collection.en.uptodown.com/mac/download
Now my current raw converter (Silkypix 8SE) does a good job on noisy files so i leave it at that generally. 
https://www.isl.co.jp/SILKYPIX/english/p/
Here M8.2 pics at iso 1250 (trees) and 2500 (sofa) with default NR settings of Silkypix 8SE. 
https://photos.smugmug.com/photos/i-WRLC7rW/0/00d00437/X3/i-WRLC7rW-X3.jpg
https://photos.smugmug.com/photos/i-bMcQCnG/0/e68b9a96/X3/i-bMcQCnG-X3.jpg

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I use Noise Reduction in Adobe Camera Raw for reducing noise at the input stage and Dfine2 for reducing noise at the output stage if necessary.

I don't know the Noiseware application.

Pete.

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22 hours ago, lct said:

Solía usar Dfine2 de Google Nik Collection que aún se puede obtener de forma gratuita a pesar de que DxO vendió una versión actualizada de la misma.
https://google-nik-collection.en.uptodown.com/mac/download
Ahora mi convertidor en bruto actual (Silkypix 8SE) hace un buen trabajo en archivos ruidosos, por lo que lo dejo en general. 
https://www.isl.co.jp/SILKYPIX/english/p/
Aquí hay fotos de M8.2 en iso 1250 (árboles) y 2500 (sofá) con la configuración de NR predeterminada de Silkypix 8SE. 
https://photos.smugmug.com/photos/i-WRLC7rW/0/00d00437/X3/i-WRLC7rW-X3.jpg
https://photos.smugmug.com/photos/i-bMcQCnG/0/e68b9a96/X3 /i-bMcQCnG-X3.jpg

Thanks for the links and the examples, they always come in handy.
A picture is worth a thousand words.

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12 hours ago, farnz said:

Uso la reducción de ruido en Adobe Camera Raw para reducir el ruido en la etapa de entrada y Dfine2 para reducir el ruido en la etapa de salida si es necesario.

No sé la aplicación Noiseware.

Pete

I could download it from here:   https://www.imagenomic.com/Products/Noiseware

What I like most about Noiseware is that it can reduce the selected areas of noise.

The opinions I have read are that this Filter, together with the Topaz (Labs), are among the best that exist.

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I've never used Topaz either but selective noise reduction can be done in Photoshop with Dfine2 on a smart layer with masking, and a Surface Blur filter on the LAB colour channels to reduce Chroma noise, which is how I typically apply NR.  If Noiseware makes it easy and does what you want it to then it sounds like a good choice.

Pete.

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I am quite happy with Topaz DeNoise. However, cleaning up at DNG conversion by ACR before you start processing gives far more control. Actually, it is a three-step process: First get an optimally denoised and pre-sharpened file in ACR, then, in Photoshop use selective sharpening and blurring and then sharpen globally, and then you can use the Topaz plugin for the final touch.

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