Visual Effects Vocabulary 2

Question 1

What does the term 'matte painting' refer to in VFX?

Accepted Answer

A photorealistic background image used to extend or replace a set

Answer

A matte painting is a photorealistic background image, traditionally painted and now often digital, used to create environments beyond what was filmed.

Question 2

In VFX, what is a 'previz'?

Accepted Answer

A pre-visualization rough animation used to plan shots

Answer

Previz (pre-visualization) is a rough animated sequence created before production to plan camera angles, timing, and VFX shots.

Question 3

What does 'holdout matte' mean in compositing?

Accepted Answer

A matte that blocks out a region to protect it from being affected by a layer

Answer

A holdout matte blocks a specific region so that elements behind it are not affected by a foreground layer, preserving correct compositing order.

Question 4

What is 'ambient occlusion' in 3D rendering?

Accepted Answer

A shading technique that simulates soft shadowing in crevices and contact points

Answer

Ambient occlusion simulates how much ambient light reaches a surface point, darkening areas like corners and creases to add depth and realism.

Question 5

What is a 'LUT' as used in VFX and color grading?

Accepted Answer

A lookup table that maps input color values to output color values

Answer

A LUT (Look-Up Table) is a mathematical transformation that remaps color values, commonly used to apply grades or convert between color spaces.

Visual Effects Practice Test

Visual Effects Practice Test

Visual Effects Vocabulary 2