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what is VFX

What is VFX?

Visual effects shortly called as VFX, which can be also shortened to Visual FX. Over past few decades the use of VFX in film and television industry has exponentially increased We can see it’s great use even in everyday Rom-com what we generally used to see in only big-budget action and marvelous science fiction movies.

The term VFX (Visual Effects) is used to describe a moving media that is not possible while live-action shooting, like imagery creations, manipulations or enhanced film. VFX generally involves the integrated realistic environments for the context between live action footage and manipulative imagery.

These manipulative environments created are either from the worlds that doesn’t even exist or those environments are tremendously dangerous to create in reality. This uses Computer-Generated Imagery(CGI), and is generated or created with the help of particular VFX software. Directors, VFX producers and cinematographers all together determines or takes decisions about which scenes should be shot on Chroma (Green screens).

SFX (Special Effects) and VFX (Visual Effects) both are totally different from each other. As VFX needs computers to work on while SFX are carried out while live shooting only. For example; gunshots, small controlled explosions, fake wounds etc. A prime example of VFX is the scene from Game of Thrones, where dragons are flying through sky or some spaceship flying into the space in Star Wars. 

VFX is mainly categorized in three types which consists: CGI (Computer Generated Imagery), Compositing, and Motion Capture.

CGI VFX (Computer Generated Visual Effects): – Nowadays CGI is found everywhere in Visual Effects. And it is easy for people outside the film industry to dab all the visual effects under name of CGI. But the difference between Visual Effects and CGI is clear. CGI is wholesomely made within computers and some other types of visual effects use them to combine and enhance with real life footage.

COMPOSITING AND GREEN SCREEN VFX: – Combining multiple images into single is called as Compositing. One fine example of compositing is Double exposure from the opening credits sequence of TRUE DETECTIVE. Further than double exposure, the most widespread and well-known compositing technique is filming with green or blue screens. This process of removing green or blue screens is called as chroma keying. Here solid background color (Green or Blue) is replaced with a new background image.

MOTION CAPTURE VISUAL EFFECTS: – Similar to the old techniques of Rotoscoping, artists nowadays in VFX can use live action reference to generate more realistic CGI, this is called as Motion Capture (or MOCAP).

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