Tuesday 7 October 2014

Green Screen/ Chroma Key Exercise

In today's lesson we practiced filming with a green screen. We were taught how to set it up and given a few tips when it comes to filming with the green screen, for example, make sure the screen is fastened tightly so there are no visible creases in the cloth. We were also told that when filming, we should make sure the poles aren't in camera view. Another tip is that we should stand at least 5 paces in front of the screen, this is to decrease the chances of any shadows forming. If a shadow does appear we were told to backlight the green cloth.

Once we've finished filming we then had to edit the footage. We uploaded the footage onto Premier Pro and this is what we did:
1. Drag footage onto timeline
2. Go to video effects
3. Click on Keying
4. Go to Ultra Key
5. Drag and drop effect into the clip on the timeline
6. Double-click on the clip, look for the colour picker from the list of icons and select the colour green
7. Use the similarity tab to remove all the green from the scene
8. Then add a background onto the timeline
9. Use the blend tool to neaten the borders of the image, to give it a more professional look



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