How can I fix stuttering on edges, and flickering ambient occlusion?

Development Rendering
1

I have a gtx 970 with UE 4.10.2. In any scene, when i rotate the camera view, I see stuttering on corners and edges, and flickering in the ambient occlusion.

See this video for an example of what I mean:

The front edge of the cube stutters as I pass it, and the AO in the corner flickers madly. This is a new project, default setting, with only three cubes in it. The fps stays solid at 62.

It is as if there is a frame lag of some kind, but i cannot figure it out. I have tried adjusting every nvidia setting, locking the fps and every project setting that I can find.
Surely i should be able to get a smooth motion here? Any tips or ideas greatly appreciated!

Thanks.

2

Can you produce video that only visualize AO. Also is that only ssao or is there dfao too? What quality settings you have?

3

Hi, thanks for your reply. New vid here:

In a different scene, watch the AO behind the bookshelf.

Settings are all on epic.

ssao only.

4

I’m probably way too late but to fix the problems above the edges of objects can be smoothed by changing Anti-aliasing in the scalability options to either high or cinematic and to fix your AO issue, use a post-processing volume and make sure it’s on infinite extent or un-bound. Then find the AO tab and go to advanced settings. Lastly where it says “Bias” make sure that’s a high value (I recommend 8). With your frame rate issue, I know this forum is 3 years old and you probably have gotten a PC upgrade but the FPS is all on how your PC handles UE4. Some updates have also fixed this issue.