hi
i rendered an image two times with the same amount of samples and it looks exactly the same -> also the noise..
is it planed to build in a feature like random seed in fryrender?
then you could merge different rendering to one image to reduce the noise... or in an animation with random "noise" you could use a temporal-filter like neatvideo to reduce the noise.
OR
is it possible to resume a image?
sorry for my english
feature "random seed"
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Im not sure but I think that the noise is the same without MLT
MLT is currently being implemented
MLT is currently being implemented

http://Kuto.ch - Samuel Zeller - Freelance 3D Generalist and Graphic designer from Switzerland
Hi,
Sorry for the long delay in replying but i've been a bit sick during the last days.
I can add a seed option, it's indeed handy for making sure noise is different when combining renders, i've put it on my todo list.
Radiance
Sorry for the long delay in replying but i've been a bit sick during the last days.
I can add a seed option, it's indeed handy for making sure noise is different when combining renders, i've put it on my todo list.
Radiance
Win 7 x64 & ubuntu | 2x GTX480 | Quad 2.66GHz | 8GB
Never heard of this approach (combining 2 noisy renders), any examples kicking around?
I like the fact that the noise is consistent, this bodes well for animation
I like the fact that the noise is consistent, this bodes well for animation

Win 7 Pro (x64) | Geforce 295GTX | Quad 2.4GHz | 4GB PC-6400
Doesn't MLT introduce random samples by default ?
http://Kuto.ch - Samuel Zeller - Freelance 3D Generalist and Graphic designer from Switzerland
For my first images rendered with Octane for the competition (v0.7) I had a lot of fireflies, and I used this method : I added the second render on a layer in Photoshop with 50% transparency, and I even did sometimes 3 renders, with the third at 25%. It requires much more rendering time, but works fine and also remove grain everywhere (not only removing fireflies) like a longer render.Never heard of this approach (combining 2 noisy renders), any examples kicking around?
After that, with 0.8, the image had very few hotpixels, so I only removed them by hand with the one pixel clone pencil.
French Blender user - CPU : intel Quad QX9650 at 3GHz - 8GB of RAM - Windows 7 Pro 64 bits. Display GPU : GeForce GTX 480 (2 Samsung 2443BW-1920x1600 monitors). External GPUs : two EVGA GTX 580 3GB in a Cubix GPU-Xpander Pro 2. NVidia Driver : 368.22.
hi
thx radiance
for the other people
i think the most unbiased renderer has this feature for the following points (e.g. fryrender,maxwell,.. luxrender?)
- you can render the same image on 2 or more pc and merge the images to a less noisy image -> like renderfarm
- you can render an image and resume it on next day (also possible without random seed?)
- you can use a temporal-filter for animations -> love that but dont work on static noise
i am not a expert but radiance know what i mean
thx radiance

for the other people
i think the most unbiased renderer has this feature for the following points (e.g. fryrender,maxwell,.. luxrender?)
- you can render the same image on 2 or more pc and merge the images to a less noisy image -> like renderfarm
- you can render an image and resume it on next day (also possible without random seed?)
- you can use a temporal-filter for animations -> love that but dont work on static noise
i am not a expert but radiance know what i mean

Win7 64 | Geforce 470GTX 1280MB | Q9550 2.83GHz | 8GB Ram | NVidia 306.23 , Cuda 5.0.1