Home / Tips / After Effects: Interlaced video in Photoshop
July 13, 2007 by John Dickinson  | 3,012 views | Comments (2)

At present Photoshop Extended has no features for interpreting interlaced video but that doesn’t mean you can’t work with interlaced video. Here are the steps using After Effects for preparing interlaced video for use in Photoshop:

  1. Import your video into After Effects and separate the fields (Command/Control F).
  2. Add the video to a new composition.
  3. Double the composition frame rate (Command/Control K).
  4. Render the composition (no fields).
  5. Open the new double frame rate video in Photoshop and treat as required.
  6. Export the video (File > Export > Render Video)
  7. Import the new video file into After Effects.
  8. Render to fields (using original interpretation) at the original frame rate.

The cool thing about setting the composition frame rate to twice that of the footage is that it allows you to see each field of vision as a separate frame. This is also a good step to take when rotoscoping in general in After Effects. Thanks Michael.

2 Responses to this post
  • emre
    July 20, 2007 at 6:53 am | Reply

    Thanks for the tip, John! It’s utterly retarded that Photoshop can’t separate the fields on its own.

  • Paul Ducco
    August 3, 2007 at 8:06 am | Reply

    Handy. Thanks for sharing.


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