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How do you minimize the bleed throw effect on hollusions.
You can't. You're projecting onto a very sheer fabric, it just comes with the territory. All "bleedthrough" is, is the projected image showing up on a surface beyond the fabric. You have two choices:

1) Have the surface be out of sight of the spectator. Either block the spectator's view with some other object, or have the image show up on some part of the object that isn't visible to the spectator.

2) Don't provide a surface beyond the fabric at all, maybe up into the sky or out across a large field.

I cover these ideas in my YouTube video about hologram projections (hardly the last word on the subject, but a good introduction).
Start at about the 14 minute mark: https://www.youtube.com/watch?v=pHgT49Lw8mU
 

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You can't. You're projecting onto a very sheer fabric, it just comes with the territory. All "bleedthrough" is, is the projected image showing up on a surface beyond the fabric. You have two choices:

1) Have the surface be out of sight of the spectator. Either block the spectator's view with some other object, or have the image show up on some part of the object that isn't visible to the spectator.

2) Don't provide a surface beyond the fabric at all, maybe up into the sky or out across a large field.

I cover these ideas in my YouTube video about hologram projections (hardly the last word on the subject, but a good introduction).
Start at about the 14 minute mark: https://www.youtube.com/watch?v=pHgT49Lw8mU

Your video is very helpful.
 
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