-
frame blending and speed changes
Hi
We normally use AE for frame blending on speed changes.
I don’t think you can do this in FCP
I am guessing the option is too export to Motion.
if so what is the difference between ‘optical Flow’ and ‘motion blur-blending’any advice appreciated
regards
mike f -
1 Reply
-
When you slow down footage in FCP, it gives you the option to use frame blending, which (for example) gives you a half-and-half dissolve between each frame in order to fill the extra time. When you take it over to Motion, you can keep with the frame blending, or use Optical Flow, which as I understand it uses some sort of algorithm to interpret new frames in between the orignals. So if frame blending would give you A A/B B B/C C, optical flow will give you A A+1 B B+1 C at 50% or A A+1+1 B B+1+1 C C+1+1 D at 25% (I think). Someone with more technical knowledge might be able to explain better.
What I’ve noticed when I’ve worked with optical flow is that you have to have really clearly defined shapes in order for it to work well. So, a dancer in a white leotard on a black background looks good. A gray car driving down the road on a rainy day not so much.
Reply to this Discussion! Login or Sign Up