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Since optical flow is based on color matching, it is a good idea to color correct your images to match
ahead of time. Also, if you are having trouble with noisy images, it may also help to remove some of
the noise ahead of time.
Tween destroys any input aux channels. See the Optical Flow node for controls and settings
information.
Inputs
There are two image inputs on the Tween node and an effects mask input.
– Input 0: The orange input, labeled input 0, is the previous frame to the one you are generating.
– Input 1: The green input, labeled input 1, is the next frame after the one you are generating.
– Effect Mask: The blue input is for a mask shape created by polylines, basic primitive shapes,
paint strokes, or bitmaps from other tools. Connecting a mask to this input limits the Tween to
certain areas.
Basic Node Setup
The Tween node receives two inputs for the two neighboring frames to the one you are generating.
Below, the previous frame, frame 01, is connected to the orange input 0. The next frame, frame 03, is
connected to the green input 1. The Tween node will generate frame 02 and output the sequence.
The Tween node receives two neighboring frames and generates the middle one.
Inspector
The Tween Controls tab
Chapter 110Optical Flow 2169
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