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Red Laser pointer removal

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Dane SilzleRed Laser pointer removal
by on Mar 20, 2011 at 1:27:15 am

Does anyone have experience with removing a red laser pointer (or it equal) from
tlive footage? and how would you go about rotoing it out.

This laser pointer was used by the trainer to get the cat to pat the dog on the head and it's moving all over the footage. Please see the frame grab:




I'm still working with CS3,

Thanks for your help,

Dane


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Tudor "Ted" JelescuRe: Red Laser pointer removal
by on Mar 20, 2011 at 10:17:06 am

It's not an easy task- not seeing the footage it's impossible to say for sure, but I presume that the laser pointer goes over different textures which requires you to deal with it in segments. First animate a mask around the point with room enough to feather the edges. Then comp the footage on top of itself. Now you will have to animate an offset on the footage below to match the texture under the hole left by the mask. This way you will get the same texture, color, grain and even movement

Tudor "Ted" Jelescu
Senior VFX Artist


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Dane SilzleRe: Red Laser pointer removal
by on Mar 21, 2011 at 11:56:51 pm

Ted,

Thank you so much for you rapid and helpful response, I apologize for not responding sooner.
I was out with another client on a production over the weekend and just got back to the studio.

Ordinarily, we'd have control of the Takes when at a shoot, however this was actually a Photo Shoot
for Print and the Agency asked us to Shoot "B-Roll"(their term for: get what you can and we'll make something out of it). Unfortunately there was no opportunity to control the shoot.

I've been considering Mocha Pro for the Planar tracking and removal, do you think it would help
with this fast moving Laser pointer?

Thanks again Ted
Regards, Dane


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Tudor "Ted" JelescuRe: Red Laser pointer removal
by on Mar 22, 2011 at 7:26:37 am

Not being able to see your footage it makes it hard to say- my gut feeling is that the laser point may be moving too fast for any tracking to be of use, that's why I suggested the method in my initial post.

Tudor "Ted" Jelescu
Senior VFX Artist


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Dane SilzleRe: Red Laser pointer removal
by on Mar 22, 2011 at 7:08:53 pm

Thanks Ted,

When the agency decided what direction we're going with on this prodject,
I'll try your fix and report back.

Dane


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Ross ShainRe: Red Laser pointer removal
by on Mar 22, 2011 at 9:54:21 pm

Hi Dane,
If the clean frames exist within the shot, there is a good chance that mocha Pro could help. If the area you want to remove goes over very specific moving details it could make it a lot trickier.

If you'd like to post the footage our team can usually tell very quickly if mocha Pro will help or not.

Best,
Ross Shain
Imaginer Systems

Ross Shain
Imagineer Systems
http://www.imagineersystems.com


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Dave LaRondeRe: Red Laser pointer removal
by on Mar 21, 2011 at 9:45:09 pm

It's been months since I've written this, and it's starting to show:

Dave's Stock Answer #2:

When you're out on a shoot, and you say, "we'll fix this in post" without knowing PRECISELY HOW you're going to fix it in post, don't shoot it! You'll only end up shooting it over again.

Since post typically costs three times the cost of production, fixing something in post is not a way to save money, but rather a way to spend more of it.

And, before you say "well fix it in post," always consider who's doing the work, especially if you're the one doing the work.

Dave LaRonde
Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA


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Dane SilzleRe: Red Laser pointer removal
by on Mar 22, 2011 at 12:03:42 am

Dave,

Please read my (above) response to Ted, It's important you have all the facts before
posting a hasty response...


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Dane SilzleRe: Red Laser pointer removal
by on Mar 28, 2011 at 4:18:37 pm

The professional Trainer was using the clicker and pointer.
There Cats and dog from there facility. I'm sure they know what their doing
as these trainers have featured on numerous major movie released.


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daniel powerRe: Red Laser pointer removal
by on Mar 28, 2011 at 3:15:49 pm

Laser beam is bad for your eyes,I think you'd better find a expert to do it.


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Dane SilzleRe: Red Laser pointer removal
by on Mar 28, 2011 at 4:24:00 pm

he professional Trainer was using the clicker and pointer.
There Cats and dog from there facility. I'm sure they know what their doing
as these trainers have featured on numerous major movie released.


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