Instructables
Picture of How to Create Zombies with Projection Mapping
This instructable will show you how to easily create the illusion of zombies on your house, or anywhere. The hard way of doing this, involve developing a undeadly virus, and infecting your loved ones (not recommended). Check out the video below to see the final product:



I use the term "Projection Mapping" lightly here. There are some amazing examples available online (e.g. http://www.youtube.com/watch?v=gy_jyxoWj5c) and it takes some specialized software and knowledge to accomplish this. More specifically, you need to work out the geometry of all the surfaces you are projecting onto (the more complex the shape, the better the result) and deform your video to fit that geometry. What we are doing here skips all this complexity by using the same vantage point for the filming and the projecting.

Step 1: STEP 1: REQUIREMENTS

Picture of STEP 1: REQUIREMENTS
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For this effect you will need:
  1. A camera (your smartphone is probably sufficient);
  2. Zombie actors
  3. Presentation or Movie software (PowerPoint or equivalent);
  4. A projector (the amount of lumens will limit how big and where you will be able to project).
I am using an Optoma HD20 which has 1700 lumens. This was relatively bright on my front entrance even with the ambient light. If you can borrow the projector from your office, you may be surprised by how well it performs.

 
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