New magenta based green screen tech invented by Netflix at DVinfo.net

Andrew Smith · July 13th, 2023, 01:50 AM

Actors are filmed against a background of bright green LEDs while being lit from the front with only red and blue ones, which gives a magental look to the talent.

This technique has the effect of creating a green channel that records only the background. The missing green cannel information for the foreground is then replaced in real time by software, aided by reference photos of the actors.

Per the demo video, it works surprisingly well. More at the source article here.

Andrew

Christopher Young · July 13th, 2023, 06:46 AM

Interesting. Maybe a spin-off technique of something I first saw about twenty years ago. It used retroreflective sheets for the background and green LEDs on the camera side. The company that first developed the technique that I remember has long gone, I believe, but it worked very well. There are still people playing around with this type of tech. Like this.

Chris Young

Steve Game · July 13th, 2023, 01:49 PM

Quote:

Originally Posted by Christopher Young

Interesting. Maybe a spin-off technique of something I first saw about twenty years ago. It used retroreflective sheets for the background and green LEDs on the camera side. The company that first developed the technique that I remember has long gone, I believe, but it worked very well. There are still people playing around with this type of tech. Like this.

Chris Young

Retroreflective Chromakey Greenscreen DIY demo @adafruit @johnedgarpark #adafruit - YouTube

Is This The Simplest Green Screen Setup - Ever? - YouTube

I remember 'Reflecmedia', a company that produced sheets of fabric which comprised micro versions of 'cats eyes' type beads that had a very narrow angle of reflectivity and a natural grey colour. The set was illuminated by a simple LED halo around the camera lens.

Christopher Young · July 14th, 2023, 04:07 AM

Yup! That was them. Had a hunt on Youtube and found this:

Chris Young

July 13th, 2023, 01:50 AM	#1
Andrew Smith Equal Opportunity Offender Join Date: Feb 2009 Location: Brisbane, Australia Posts: 3,065	New magenta based green screen tech invented by Netflix Actors are filmed against a background of bright green LEDs while being lit from the front with only red and blue ones, which gives a magental look to the talent. This technique has the effect of creating a green channel that records only the background. The missing green cannel information for the foreground is then replaced in real time by software, aided by reference photos of the actors. Netflix invents new green-screen filming method using magenta light - YouTube Per the demo video, it works surprisingly well. More at the source article here. Andrew

July 13th, 2023, 06:46 AM	#2
Christopher Young Trustee Join Date: Apr 2008 Location: Sydney Australia Posts: 1,567	Re: New magenta based green screen tech invented by Netflix Interesting. Maybe a spin-off technique of something I first saw about twenty years ago. It used retroreflective sheets for the background and green LEDs on the camera side. The company that first developed the technique that I remember has long gone, I believe, but it worked very well. There are still people playing around with this type of tech. Like this. Chris Young Retroreflective Chromakey Greenscreen DIY demo @adafruit @johnedgarpark #adafruit - YouTube Is This The Simplest Green Screen Setup - Ever? - YouTube

July 14th, 2023, 04:07 AM	#4
Christopher Young Trustee Join Date: Apr 2008 Location: Sydney Australia Posts: 1,567	Re: New magenta based green screen tech invented by Netflix Yup! That was them. Had a hunt on Youtube and found this: Chris Young Tech Talk: The Reflecmedia Chromatte system - YouTube