What is a green screen:
In this modern era, green screen and green screen compositing in and after effect is one of popular technologies used whether it is a Bollywood movie or a Hollywood movie. This technology gives an imaginary view to the background that we cannot imagine, in movies such as AVATAR, BAHUBALI, and AQUAMAN. these have all been shot with the help of a green screen.Most of the time green screen is used mainly by the film industry or the news channels to change the background of the actor or anchor.
How green screen work?
Imagine you are watching a cricket match with a full of crowd and there will be too much difficulty for you to take a picture because of the crowd, and definitely, there would be some person in the background which you don’t want to be then you will remove that person through the help of ms paint. The same thing we do on the green screen compositing in and after effect.Initially, we will record our video with the help of a green screen in the background after that we will pick- out the green color from the background, moreover this will be transparent. This process is called chroma keying.
Lastly, when some part of the video becomes transparent then displace the transparency with another image, and after that visual effect is used, for instance- CGI (computer-generated imagery) to make the background a virtual scene.
Strategies to create a video on a green screen:
Creating a video on a green screen will be difficult for beginners because it has many tiny things you have to consider while making a video on a green screen. Follow the upcoming steps to enhance your green screen video and it will also save you time and money.Green screen background:
You should have an ultra-clean green screen that should cover the wall and floor. To reduce the presence of shadows and hardlines there should be a smooth conversion.· Green screen should be clean and smooth.
· Generate a cover effect.
· Reduce wrinkles and scuffs.
· Empower for depth.
Lighting:
While editing a video on a green screen it makes a lot of difference between even and soft lighting. while editing it is easy to remove the green screen when it looks compatible.· Avoid casting shadow
· Make use of even and soft lighting.
· Separate the reflective surfaces.
Camera Setting:
If you are having a professional camera then also try to don’t shrink the camera as much as possible. A single small movement will look like the actor is moving on the green screen. Avoid zooming in and out as much as possible.· Keep the camera motionless.
· Avoid zoom as much as possible.
Subjects:
A green and Blue screen background may people look sick then it is necessary to improve their makeup.· The distance between the actor and the green screen should be at least six feet.
· Examine makeup adjustment.
· Avoid green tones on the subjects.
