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
Accepted

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
Accepted

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
  • 4,504
4 votes
Accepted

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
  • 13.7k
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
  • 4,504
3 votes
Accepted

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
2 votes

Does and/or how chroma keyed image show on the studio cameras?

You are correct that the chroma key is typically performed in the vision mixer/video switcher. In order to assist camera operators in framing shots around chroma keys (and other downstream effects ...
Michael Liebman's user avatar
2 votes
Accepted

"Subtracting" image with clean slate on Premiere Pro/After Effects

Haven't tried it, but this might work by dragging both shots in after effects, setting the layer with the subject to "difference", which shows the parts that are different. You can then pre-compose ...
Florian Claaßen's user avatar
2 votes

How can I take a part of a video and chroma key only the parts that I select?

This isn't chroma keying. If your subject isn't in front of a green screen (or blue) then you're only other alternative is to mask it, rotoscope to be precise. After Effects does have a tool called a ...
LetTheWritersWrite's user avatar
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
  • 4,504
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
  • 7,757
1 vote

Applying different color keys to one layer in AE

You'll have to make as many duplicates of the layer as there are colours. Apply the appropriate key to each copy, and place the layer you want it to reveal beneath it. On the revealed layer use a ...
stib's user avatar
  • 13.7k
1 vote

Is 8 Bit 4:2:0 chroma subsampling "good enough" for chroma key?

Four big factors in your results... About 10 years ago, I was using HDV, which is not only 4:2:0, but is actually 1440 pixels wide, stretched to 1920 wide. At the time, I wasn't always happy with the ...
Wayne's user avatar
  • 156
1 vote

Is 8 Bit 4:2:0 chroma subsampling "good enough" for chroma key?

"Good enough"? Sure. I wouldn't love to work with subsampled footage for keying, though. You want to maximise resolution, minimise or avoid subsampling and avoid spill. If your screen is ...
Florian Claaßen's user avatar
1 vote
Accepted

Greenscreen recommendations

Nice explanation of your problem. I would simply move the two softboxes higher. To minimize the falloff put the lights about the center of the framing of the camera. If your camera is targeting the ...
Rafael's user avatar
  • 1,182
1 vote

video chroma keyed background into Skype

If there is no plugin I never heard of, the only way you could do this is by feeding an already keyed signal into skype. You could try researching if realtime keying can be emulated on a virtual ...
Florian Claaßen's user avatar
1 vote

How to apply multiple chroma keys in ffmpeg?

Instead of always using [1:v], you would use the output of the previous one e.g. [ckout1] My guess, you want this: ffmpeg -i input1.mp4 -i input2.mp4 -filter_complex '[1:v]colorkey=0x6AA999:0.1:0.2[...
Pingger Shikkoken's user avatar
1 vote
Accepted

Delta Keyer not working with Clean Plate

With one exception (Garbage Matte), the Delta Keyer doesn't "remove" things. What it does is create and/or apply masks and mattes so that keyed areas can be replaced by other things (either within ...
Michael Tiemann's user avatar
1 vote

Sony FS5 border artifacts

The other answer is correct that 4:4:4 gives better green screen results. But given that you need to fix your footage, can I recommend both of these tutorials ...
tomh's user avatar
  • 7,757
1 vote

Sony FS5 border artifacts

Have you tried tweaking the settings in Keylight? It looks like the screen replace colour you are using is too light for the black background. Keylight is a great plugin, and in a perfect world give ...
stib's user avatar
  • 13.7k
1 vote

How to lock and scroll image, using smartphone green screen mockup?

You will need to: track the motion of the screen, using whatever tracking tools you have at your disposal. A 3D track or a corner pin type track will both work, because it's a flat rectangular screen....
stib's user avatar
  • 13.7k
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
  • 7,757
1 vote

Can I paint a rough wall with chromakey paint to make a green screen?

It depends on some factors. For example, how far is the wall from the main actors? If you have some good spacing, the texture can probably blur out due to DOF. But as on a green screen you need to ...
Rafael's user avatar
  • 1,182
1 vote

Post production removal of uneven green screen with glass object shattering in foreground

I don't even see how rotoscoping would help and can't think of a way to solve the issue directly with the green screen footage (if I understand the situation correctly anyway). If the glass is ...
AJ Henderson's user avatar
  • 19.4k
1 vote

Post production removal of uneven green screen with glass object shattering in foreground

If the example were a lightbulb at the top dropping to the bottom you would take one frame with the bulb at the top and one frame with the bulb at the bottom, then simply use half of each as a mask. ...
Rob's user avatar
  • 847
1 vote

Export Composition Background in After Effects

I hope the person receiving your 'green screen' lower third doesn't ever find you in a dark alley. If it was me I'd be looking to bring the hurt. Really, this is not the way to do it. Firstly there ...
stib's user avatar
  • 13.7k
1 vote

Udacity - Hand under notes video effect

Udacity has answered your question here http://blog.udacity.com/2014/09/udacity-videos-transparent-hand.html
abtom13's user avatar
  • 11

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