英文關鍵字
alpha
background
caucasian
channel
chroma
chromakey
compositing
concept
cut
cutouts
destination
direction
finger
fingerpoint
forefinger
foreground
gestures
green
hand
index
isolated
keyed
male
man
manual
matte
point
pointer
recommend
right
screen
select
show
showing
skin
space
studio
symbol
thumb
transparent
virtual
web
white