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Activity Forums Adobe After Effects Using chroma key assets from Adobe Stock

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  • Using chroma key assets from Adobe Stock

    Posted by Edward Fisk on November 27, 2023 at 2:28 pm

    Hi

    We have designed a Christmas card and would like to make use of some stock footage to replace the chroma key object and replace with our card. I’m reasonably familiar with keying and motion tracking but I thought that one of these stock assets would be a quick and easy way to do what I need. I can’t for the life of me figure out how to use this. If the green ‘card’ object is static then obviously I can just key it out and replace with my card, but with it in motion and the envelope obscuring part of the box I’m not sure how to proceed. Do I need to create a mask from the box and track my replacement card to that?

     

    Here is the stock video file (once I know how to do do it I will licence the full res version)

    https://v.ftcdn.net/04/70/68/06/700_F_470680654_WnIwA0NGkxnVX75CzNegK1kW5PJG7g4M_ST.mp4

    Could someone please shed some light, I feel like there’s something really obvious I’m missing.

    Many thanks

    Graham Quince replied 2 months, 3 weeks ago 3 Members · 2 Replies
  • 2 Replies
  • Hector Vera

    November 28, 2023 at 12:23 am

    It looks like you may need to track the movements by the second with some keyframing, cause when I had to do something like that for Sony Vegas, I had to do something for that. To learn keyframe animation, here is a video that may help you: https://youtu.be/sYlzk7rfn0w?si=QTVmUkDsT9I_QlcG Best of luck and hope it helps! 🙂

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  • Graham Quince

    November 30, 2023 at 7:55 pm

    That’s a really gnarly piece of stock footage. I think you will be stuck going frame by frame to position and rotate your footage. Find a good podcast and use the Page Down to move forwards.

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