Poorly-lit green-screen on moving shot; can masking/tracking fix it?

Tim-Boone wrote on 5/9/2022, 5:47 PM

Hi, I have a very important shot in my project that is a moving shot with a green-screen in it that is unfortunately lit poorly, and I've attempted to use Cookie-cutter nearly frame by frame, cutting out the green-screen window for countless individual sections I've split the file into, but I'm not satisfied with the results at all, and I'm wondering if I can use masking/tracking to cut out the green-screen space from the moving shot.


EricLNZ wrote on 5/10/2022, 7:31 PM

Possibly but it would help us advise better if you could attach a screenshot showing your problem. Masking should enable you to get a better "fit" around your problem area.

Which Vegas Movie Studio version are you using?

Tim-Boone wrote on 5/15/2022, 6:29 PM

I'm using Vegas Movie Studio Platinum 17. I honestly don't know how to use the masking/tracking effect, but I'm wondering if I can use it to cut out the green screen space in the shot, which is a moving shot, and a very important shot, but the green screens are poorly lit. Here's a screenshot:

EricLNZ wrote on 5/16/2022, 12:11 AM

What do you want to replace the green screen areas with?

Tim-Boone wrote on 5/16/2022, 12:29 AM

I was hoping to cut out the green screen areas and have the background image I'd originally planned on using with the green screen for the background, which is a sky background. I was essentially wondering if I can use the masking effect like a cookie-cutter that can be applied to a moving shot, so I just cut out the green screen areas so the background is visible, but I'm not sure if that's how the masking/tracking effect works or not..

EricLNZ wrote on 5/16/2022, 5:29 AM

Ok what in the image that you posted do you want left in? I ask because I'm puzzled. Usually green screen appears behind something like a face. With your shot it's not clear what you want left in.

Jack S wrote on 5/16/2022, 9:46 AM

@Tim-Boone It looks as if the green areas are quite small. If you just wanted to replace them with sky, you could use a colour replacer to change the green into blue. Or would that not work for you?

My system
Dell XPS 8700 (I know, it's a little outdated)
Windows 10 Home (x64)
3.1 GHz Intel Core i5-4440
NVIDIA GeForce GTX 1050 Ti display adapter
System drive Samsung SSD 850 EVO 250GB

SONY Handycam HDR-XR550VE

Musicvid wrote on 5/16/2022, 7:58 PM

Do I understand that you want to reduce the vestigial green areas to transparent and leave the candles as they are?

I would just use a cyan threshold mask something like this; VMSP 17 should have the standalone Curves fx:

EricLNZ wrote on 5/17/2022, 4:02 AM

@Musicvid VMSP17 has Color Curves, Levels and Color Grading but I cannot find anything that looks like what's in your image from Vegas Pro. Color Grading is probably the nearest but personally it's something I struggle with.

Musicvid wrote on 5/17/2022, 9:38 AM

I show the Color Grading Panel in VP19 with the curtain dragged all the way to the left.

vkmast wrote on 5/17/2022, 10:11 AM

The Color Grading Panel and Video Scopes window are VEGAS Pro features.