Why Green Background is used in VFX?

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In this blog, you will be understanding green screens and why they are used in VFX. Green screens are basically neon-green screens placed as a background before filming a scene.

Read on to know more.

What is a Green Screen?

Green screen also known as, chroma keying is a large screen, green in colour as the name suggests, placed as a backdrop while shooting a shot to add effects later. This technique has been used in many areas of films to remove or add a background. This allows directors to showcase their idea without having to set up a physical setting which is not cost effective.

Despite their prominence, green screens have also met with some limitations. Actors frequently found it hard to act naturally on these screens. Furthermore, while shooting films, directors find it hard to really envisage the end image or clip. Just like the Green screen, you can find the Blue Screen which is used to shoot several movie scenes too.

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When was the Green Screen invented?

Chroma key or green screen is a commonly used visual effect method today. But the green screen was first developed in the 1940s; however, it became very popular in the 1980s when there were lesser expensive computer graphics. One of the earliest applications for this technology was in movie industry that started using green screen as a tool for special effects production in the 1940s.

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Why are Green Screens used in VFX?

Green Screens have grown in popularity in the field of VFX because of its versatility and efficiency.

Background Isolation:

Green screens let moviemakers isolate subjects from their background. A green backdrop is used as a background in filming so that through some camera filtration the green colour can be digitally removed leaving behind any desired image or scene. Particularly, this technique is applied when designing intricate settings or unreal elements that cannot be reproduced in the actual world.

Uniform Colour:

Green is chosen because it is the furthest colour from human skin tones, reducing the risk of colour spill or contamination. This uniform colour simplifies the process of separating the subject from the background and minimises issues with blending.

Cost-Effective:

When compared with traveling to distant destinations or constructing elaborate sets, green screens are more cost effective. The idea is to get a variety of different sceneries without necessarily having to build them; thus making this method practical for most productions.

Flexibility in Post-Production:

Green screens provide flexibility in post-production. Filmmakers can experiment with different backgrounds, add special effects, and make adjustments to scenes without being constrained by the physical limitations of a set.

High-Quality Visuals:

With advancements in technology, green screens allow for high-resolution and high-quality visuals. The precise control over lighting and background elements helps in achieving a polished and professional final product.

Now you have an idea of what green screens are, when they were invented and their applications in the VFX industry. If you are passionate about VFX and want to dive deeper into this and make it your career, you are the at right place. Head to Arena Animation and choose from the wide range of courses they provide, and experience their world-class training and modern equipment. Their highly professional trainers impart the best knowledge that equips you with the required skills to land a successful career in the VFX industry. The affordable VFX course fee in Arena Animation is one of the highlights of the institute. Last but not least, their placement cell strives to assist you with interview preparation, portfolio creation and finding the best opportunities in the industry.