Motion Vectors are 2D vectors that represent the displacement in normalized pixel units of a pixel in the current frame to the next frame (forward motion vector), or its displacement from the previous frame (backward motion vector). Motion Vectors can be rendered by a 3D application when dealing with synthetic images, or produced through image analysis when images come from live action footage.
You can use the Motio tool to generate forward and backward motion vectors with an image source. Motion vectors can be used as inputs for a wide variety of image transformation, analysis, or restoration tools. In Composite, Motion Vectors can be used as inputs to the Retimer tool (see Retiming Footage with the Retimer Tool), the Blur tool (see About Blurs), the Remove Dust tool (see Remove Dust Tool), and the Remove Grain tool (see Removing Grain from a Composition).
See Show Vectors and Displaying Motion Vectors for infromation on how to see vectors in your images.
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