background
bright
brown
clear
covered
depressions
dim
disorderly
erratic
faint
fair
fuzzy
horizontal
indistinct
irregular
lax
least squares
light
many
oblong
obscure
paper
plain
ragged
rectangle
rugged
serene
shades
square
structure
sum of squares
texture
unequal
uneven
unshapely
vague
vertical
wallpaper
white