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WorksheetsGreen Screen
Total questions: 10
Worksheet time: 20mins
The Chroma technique can only be applied to backgrounds.
True
False
Why do we use the color green?
you cannot use a primary color
it is the furthest from human skin tones
green ink is less expensive
green is not present in the light color spectrum
The lighting on the backdrop must be _____________.
minimal
from a single spotlight
green
separate from the lighting on the subject
Another term for green-screen is ___________.
chroma key
replacement imagery
photosynthesis
cinema allocation
When a different image is keyed in editing, the green color of the screen changes to _____________.
stripes
black
blue
transparent
What does "spill" mean in video production?
unwanted light on a subject or background
a fold or wrinkle in the green screen
the amount of time overage of a clip
unintended audio in a clip
Which is a techniques for creating crisp lines on a subject?
add a light source behind the subject shining onto the back of the subject
instruct the subject to wear green clothing
instruct the subject to move around during filming
create a shadow of the subject on the green screen by adding a light source in front of the subject
use the same light source on the subject and background
What likely went wrong here?
The camera was not switched to "subject mode."
The subject was wearing green clothing.
The subject was moving too quickly for the camera speed.
The background image was not properly digitized.
What likely went wrong here?
The subject had a green light on him.
The background had a wrinkle or imperfection.
The editor need to choose a different background image without blue or green.
The subject was not back-lit with a separate light source.
What is a "hot spot?"
a fold, wrinkle, or shadow on the green screen
when the heat of the subject doesn't match the heat of the screen
when the subject wears green and appears transparent
too much light on the green screen
