7 votes
Accepted

Is lighting a green screen necessary?

You'd probably want to light it anyway, as it will make it easier to pull a key if it's properly lit. The farther you can keep it away from the objects or talent you'll be keying, the better. But ...
user1118321's user avatar
  • 2,156
5 votes
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Wattage for green screen lightning

Wattage has nothing to do with lumens, as different instruments provide a wide spectrum of output lumens based on lamp type. For instance, a 1.2K HMI ArriLite would put out more light than a 5000W ...
McFlySoHigh's user avatar
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5 votes
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Green screen Issue shooting with dslr (background green changes)

It doesnt really matter what type of lighting instruments you use, tungsten, hmi, led, flo, so long as you use the same color temperature lights to light the screen as you do to gauge the lighting of ...
McFlySoHigh's user avatar
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5 votes
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How to remove Tracker points from green screen footage

You don't need to use greenscreen. You need to track markers, and put your footage above the markers and greenscren. Just lock position on markers points. Like in ...
Shultc's user avatar
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5 votes
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Best and easiest way to remove tracking markers from green screen video

You can do this quite easily without content-aware fill or anything like it. I'd tackle this by doing the following: create a rough shape for each tracking-point (the color doesn't matter) track each ...
Florian Claaßen's user avatar
4 votes
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Which of these two crude green screen lighting setups is better?

Well the 2nd is better. But the correct way is to light your Green Screen first, and you want to have it lit so it's a flat 70 IRE. You'll need a monitor with a Waveform option, and the waveform ...
McFlySoHigh's user avatar
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4 votes
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How to remove background from video without using green screen

Looking at your first example, I woul guess green screen, and not a particularly good one. It looks like they really need to increase the spill suppression, judging by the green spill evident on the ...
stib's user avatar
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4 votes
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How to deal with reflections in a space helmet

The best thing you can do is get as much right on set as possible. Cover cast, crew, and equipment with black fabric, hide them behind black curtains, Get your talent as far away from the green ...
Jason Conrad's user avatar
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3 votes
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How to record a live video of yourself with a transparent background?

I really want to know how this gets automatically edited. The technique is called chroma key and consists of considering as transparent all pixels of the colors within a specified range. This is ...
Arseni Mourzenko's user avatar
3 votes
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DJI Osmo X3 vs Canon 5D Mk III for easier chroma green screen keying

The key to pulling a good key is a clean separation between key and subject. All things being equal, higher resolution will give a sharper edge between key and subject, which is good. But that's ...
Michael Tiemann's user avatar
3 votes

Can I achieve effective keying if I use green lights to illuminate a white wall?

My favorite quick, cheap, DIY greenscreen over the years is a gallon of chromakey paint and a sheet of drywall from Lowe’s or Home Depot. One sheet is enough for a seated, talking head, like you see ...
Jason Conrad's user avatar
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2 votes

How does green screening work with green objects?

For static shots they shoot what's called a background plate: the same scene shot from the same angle but without the foreground action. Then where the green is taken out the empty background shows ...
stib's user avatar
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2 votes

Green screen Issue shooting with dslr (background green changes)

DO NOT USE "AUTO". It is working against you. A nice, even video image of the green is needed. Setting your camera to "auto" just means that there is no single "formula" for which green to key out. ...
Richard Crowley's user avatar
2 votes
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How to use chroma key to replace design of complex object?

What you are thinking about is a very great way to save production costs and is used in many cases on many sets. Here is what your pipeline would look like: Shoot the footage with green tables Track ...
Florian Claaßen's user avatar
2 votes

Technical name for this? (PIP picture in picture with transparent background via green screen, chroma key)

The technical name for this is a "bug". Usually the context is that it's an advertisement for another show on the same network, or it's a network logo rather than part of the content. I'm not very ...
user1118321's user avatar
  • 2,156
2 votes

Using water as green screen

Take a look at using noise turbulence to displace the image. You can do this in after effects. There are lots of good tutorials on it. I recommend this one: Maybe add ...
tomh's user avatar
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2 votes

Can I achieve effective keying if I use green lights to illuminate a white wall?

I think if you light the wall green, you will get lots of bounced light back onto your subject which will play havoc with your key. Amazon does very cheap greenscreens now, which work pretty well so ...
tomh's user avatar
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2 votes

Can I achieve effective keying if I use green lights to illuminate a white wall?

I interned at a company many years ago which used a retro-reflective background coupled with a green LED ring light, which surrounded the lens. The wall looked silver/white when the device wasn’t in ...
Jason Conrad's user avatar
  • 4,484
1 vote

Batch replace green-screen?

FFMPEG has colorkey and chromakey options, it does something likes Overlay a greenscreen-video on top of a static background image Using a shell script to loop through your thousand images on the ...
xer-rex's user avatar
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1 vote

Why does this clip go green and how do I fix it?

When Keylight acts that way, usually emptying the cache helps. If it doesn't help, just add a new adjustment layer to force everything render again.
Inan's user avatar
  • 555
1 vote

Why does this clip go green and how do I fix it?

This happens to me sometimes using Keylight. I find that if I make a tiny adjustment to the settings (holding down CMD and dragging on one of the controls (eg Screen Gain or Screen Balance), it ...
tomh's user avatar
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1 vote

What to do in order to avoid noises on records from DSLR for greenscreen?

I presume what you call noise is caused by uneven lightning, so when your NLE removes green, you see splotches or brighter or darker green that it did not remove. The first and foremost task is to ...
Rusty Core's user avatar
1 vote
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What to do in order to avoid noises on records from DSLR for greenscreen?

Well, the noise has little to do with the green screen, with the probable exception that you can now compare your image vs a clean background. The only way to reduce the noise is by having more light....
Rafael's user avatar
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1 vote
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ffmpeg greenscreen transparent while using color palette

Your command is attempting to place two streams into the GIF output (the output from paletteuse and the output from chromakey), but the GIF muxer supports only a single stream. To fix this your ...
llogan's user avatar
  • 10k
1 vote

Moving clip with green screen

Leave the color out and make a png out of it. Then, create a sequenz which has the length of the bar you want. Insert as many filmframes as you like. Now simply draw masks around one frame each. Put ...
Timothy Lukas H.'s user avatar
1 vote

What are some Best Camera Settings for Recording for Chroma Keying and which color of cloth reflects least green color?

Lighting is the biggest factor in improving this setup. Move the subject further away from the sheet, use a lens that has a shallow depth of field so that any imperfections in the sheet are harder to ...
tomh's user avatar
  • 7,650
1 vote

Which of these two crude green screen lighting setups is better?

Neither are great options, you should have an extra light on the subject and side light with an overhead fill (third light).
Capogear's user avatar
1 vote

Which of these two crude green screen lighting setups is better?

As well as avoiding shadows, another reason you want to get the green screen as far away behind the talent as possible is to avoid any green spill. (that is, green color cast light being reflected off ...
Matthew Galloway's user avatar
1 vote

How to record a video with different background without having a green screen?

If it's a static shot, you can try using a difference matte. It doesn't work as well as a chroma key, but it might do the trick. The idea is you'll set up After Effects to key out everythi
lotcarneiro's user avatar

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