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#BLENDER 2.79 SPECKLE HOW TO#

First Scene (Monkey Head) – Denoising worked very well, even with the number of render samples set to only 25.

I tested Blender Denoising with three different scenes. In addition, by reducing the Denoising strength, the loss of detail was minimal. Since there was not too much noise to begin with, the reduced Denoising strength didn’t prevent Denoising from doing a good job. With Denoising enabled, it looks even better. With Denoising disabled, and the number of render samples set to 250, there is only a little noise. For the second image, Denoising was enabled with the strength value set to 0.25 (The default Denoising strength value is 0.5.) Denoising Disabled, 250 Render Samples Denoising Enabled, 250 Render Samples Denoising Strength = 0.25įor the following two images, the number of render samples was set to 250, and the Clamp Indirect value was set to 1. Denoising was disabled for the first image. The Denoising Strength value is shown below. You can expand the Denoising section to see the optional values. However, since this will also result in reduced noise smoothing, the number of render samples should be set high enough so that Denoising will still be effective. Therefore, for some scenes, it may be beneficial to reduce the Denoising strength to preserve detail. In addition to smoothing out noise, Blender Denoising may also smooth out some of the details in a rendered image. Third Scene – Blender Denoising May Smooth out Image Details If Denoising Strength Is Too High With Denoising enabled, the noise is smoother and more even. With Denoising disabled, you’ll notice that there is still noise in the shadows. Denoising Disabled, 150 Render Samples Denoising Enabled, 150 Render Samples Now let’s look at the same images with the number of render samples set to 150. With Denoising enabled, the noise is smoother, but it’s also uneven and patchy. With Denoising disabled, you’ll notice that there is a lot of noise in the shadows. Denoising Disabled, 25 Render Samples Denoising Enabled, 25 Render Samples Denoising was disabled for the first image and enabled for the second.

To illustrate this, the number of render samples was set to only 25 for the following two images. This can occur when the number of render samples is set too low. In some cases, Blender Denoising can cause areas of the image to look uneven and patchy. Second Scene – Blender Denoising Produced Uneven Patchy Areas When the Number of Render Samples Was Too Low With Denoising enabled, the area is much cleaner. With Denoising disabled, you’ll notice that there is a lot of noise on the bottom side of the monkey head. Denoising Disabled, 25 Render Samples Denoising Enabled, 25 Render Samples The Clamp Indirect value was also set to 1 to help prevent fireflies (Fireflies are unwanted bright speckles in the image.) Denoising was disabled for the first image and enabled for the second. For the following two images, the number of render samples was set to 25. Let’s start by looking at a scene where it was very easy to use Blender Denoising to achieve great results.

#BLENDER 2.79 SPECKLE HOW TO#

We’re going to look at three different scenes, and in each case, we’ll look at how to achieve nice results.įirst Scene – Easy Blender Denoising Scene Render Samples = 25 With other scenes, you need to be more careful how you use it.

(Note: The Denoising check box will not be visible unless you select the Cycles Render Engine first.)īased on some experimentation, I’ve discovered that with some scenes, you can just enable Denoising and it works really well. Now when you render an image, Blender will apply Denoising while it is rendering. To enable it, just add a check mark next to Denoising.

You can find the new Denoising section by clicking the Render Layers button. Video – Blender Tutorial – New Image Noise Removal Tool (Denoising) How to use Blender Denoising Blender Denoising Location So let’s jump right in and look at how to use Denoising, and then we’ll put it to the test with three different scenes. This new feature can filter out rendered image noise, and in many cases, you can achieve great results with fewer render samples and faster render times. Fortunately, Blender will be releasing a new Denoising feature in version 2.79 that can help. You can get some amazing results by rendering with Cycles in Blender, but one issue that you have to deal with is image noise.