Categories: vfx

How Visual Effects Work in Film: A Guide to the 3 Types of VFX

Remember the last film or TV show you watched? You would be amused to know that all of them have a certain amount of visual effects inculcated in it. Visual effects have a lot of potential in creating artificial imagery. Anything which is impossible to be shot with raw camera lens has to be edited with the help of visual effects.

But have you ever wondered how the visual effects is actually incorporated in the films. You can learn most of it in VFX courses in India.

There are three major types of VFX or artificial imagery which exist in the industry.

CGI

Image Source: Google

Computer-generated imagery or CGI is a common concept used to describe digitally-generated VFX in film and television. These computer graphics may be 2D or 3D, but CGI is commonly referred to when it comes to 3D VFX. The most talked-about method in CGI is 3D modeling—creating a 3D image of some object, surface, or living organism.

CGI VFX is more noticeable when artists use it to create anything that doesn’t exist, like an alien, dragon or a fire monster. Yet visual effects can also be more subtle; VFX designers can use VFX to fill a football stadium with a crowd of screaming people, or age-old actor to make them look younger.

Compositing

Image Source: Google

Often called “chroma keying,” composing is where VFX artists merge visual objects from different origins to make them look as though they were in the same location.

This visual effect (VFX) technique involves shooting with a green screen or a blue screen, which composers’ later substitute with another feature using post-production composing tools. An early method of composition accomplished this result with matte illustrations of scenes or settings that were composed with live-action video.

Motion Capture

Image Source: Google

Also often known as “mocap,” motion capture is the practice of digitally capturing the motions of the performer, then moving those gestures to a computer-generated 3D image. When this procedure includes capturing the facial movements of the performer, it is often referred to simply as “digital effects.”

One typical type of motion capture involves putting the actor in a motion-capture suit with special markings that the camera can detect (or, in the case of digital effects, dots drawn on the actor’s face). The imagery collected by the cameras is then converted to a 3D model using visual effects software.

In order to learn in detail about the various types of VFX, you can contact our VFX training institute and we will assist you further.

All the best!

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