Preattentive Visual Channels: Popout

many preattentive channels of visual modality
hue
shape
texture
length
width
size
orientation
curvature
intersection
intensity
flicker
direction of motion
stereoscopic depth
lighting direction
[and many more...]
[Chris Healey, Preattentive Processing, www.csc.ncsu.edu/faculty/healey/PP]



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