interior- reducing noise, plz help

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interior- reducing noise, plz help

Postby matelek » Fri Jan 09, 2015 10:12 pm

matelek Fri Jan 09, 2015 10:12 pm
Hi everyone, i have a problem with noise in my simpy interior scene.
Iam quite new in octan rendere, I used to work in blender cycles but I decided to change it to blender octane render plugin to get better and faster effect.
I dont know what to do to reduce this f**king noise. Maybe i have something wrong in my material setting or render setting?
i havent got IES light, only hdri and sun, havent got heavy model, bump is only on the floor and carpet.
And why it get so LONG? much longer than cycles?
I used this script http://render.otoy.com/manuals/Blender/?page_id=66
and some test to channge rend setting

i use nvidia quadro k4000

pleas help me.

Here you can see PT 3000samp 1920x1240 which lasted 3 hours!
Image

Here is PMC 6000samp 1920x1240 which lasted 9h!
Image

Here is Direct Light 4000samp 1920x1240 which lasted 45min
Image

here you can see some of my quick viz in cycles
Image
Image
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Image
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Re: interior- reducing noise, plz help

Postby RobSteady » Fri Jan 09, 2015 11:29 pm

RobSteady Fri Jan 09, 2015 11:29 pm
The K4000 is not a very fast rendering card.
Better go with a GTX.
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Re: interior- reducing noise, plz help

Postby aoktar » Sat Jan 10, 2015 1:46 am

aoktar Sat Jan 10, 2015 1:46 am
Study to see effects of coherent ratio, gi_clamp, path termination parameters. Also set caustic blur=1. Try to add some additional light sources or openings on environment. Don't use high specular values. Stay with diffuse material on walls.
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Re: interior- reducing noise, plz help

Postby manos » Sat Jan 10, 2015 11:27 am

manos Sat Jan 10, 2015 11:27 am
Use more lights.Set Filter wise to 1/ I think by default its 1.2
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Re: interior- reducing noise, plz help

Postby matelek » Sat Jan 10, 2015 12:39 pm

matelek Sat Jan 10, 2015 12:39 pm
How many max diff and max glossy depth do u usualy use in this type of interior?
thanks a lot guys!
Ill try it in a few hours and upload a results :)
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Re: interior- reducing noise, plz help

Postby mbetke » Mon Jan 12, 2015 11:33 am

mbetke Mon Jan 12, 2015 11:33 am
aoktar wrote:Study to see effects of coherent ratio, gi_clamp, path termination parameters. Also set caustic blur=1. Try to add some additional light sources or openings on environment. Don't use high specular values. Stay with diffuse material on walls.


Since those new settings I mostly reduce GI_Clamp to 5 and dont use caustic blur = 1 anymore. Without caustic blur and less energy due the clamp there are mostly no fireflies. If there are any I can reduce them setting the firefly feature to 0.7 or so
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Re: interior- reducing noise, plz help

Postby matelek » Mon Jan 19, 2015 5:25 pm

matelek Mon Jan 19, 2015 5:25 pm
Hi, what do you think about it?
Image
Direct Light Diff
depth:
diff -6
glossy-10
spec-10
2560x1920 2,5h
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Re: interior- reducing noise, plz help

Postby adamrg7 » Tue Jul 19, 2016 11:25 pm

adamrg7 Tue Jul 19, 2016 11:25 pm
is cycles actually faster for you?
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