Visual Effects Practical and On-Set VFX 3

Question 1

What is 'previs' (previsualization) in VFX production?

Accepted Answer

A rough 3D animation created before filming to plan complex VFX sequences and camera work

Answer

Previsualization (previs) is the creation of rough 3D animated sequences used to plan and communicate complex VFX shots, camera movements, and action sequences before principal photography begins.

Question 2

What is a 'digital double' in VFX?

Accepted Answer

A photo-realistic CGI replica of an actor used when performing dangerous stunts or impossible actions

Answer

A digital double is a hyper-realistic CGI replica of a specific actor, used to replace the actor in dangerous stunts, superhero action, or physically impossible sequences where a practical performance is not feasible.

Question 3

What does 'de-aging' in VFX refer to?

Accepted Answer

Using digital techniques to make an actor appear younger in footage than they actually are

Answer

De-aging is a VFX technique that digitally alters an actor's facial appearance to make them look younger, often used in films that depict events from a character's past.

Question 4

What is 'face replacement' (face swap) in VFX production?

Accepted Answer

Digitally replacing a stunt performer's face with an actor's likeness in post-production

Answer

Face replacement involves replacing the face of a stunt performer or body double with a digitally reproduced likeness of the actor, seamlessly integrating the actor's face onto the stunt performer's body.

Question 5

What is the purpose of 'surveying' a location before VFX production?

Accepted Answer

Collecting precise measurements, photographs, and data to enable accurate CG integration with the real space

Answer

Location surveying collects detailed measurements, photographs (including HDRI and photogrammetry data), and reference information that VFX teams need to seamlessly integrate digital elements into the real space.

Visual Effects Practice Test

Visual Effects Practice Test

Visual Effects Practical and On-Set VFX 3