PSY/CS330 Human Factors
5/2/00
Day 1-34
Depth Perception - 3
uSize Constancy
lDEFINITION: seeing objects as a relatively constant size despite change in retinal image size.
uSretinal image a 1/distance to object (a mean proportional to)
uSperceived = Constant
lCan be quite useful in object recognition
uA Variation is Emmert’s Law for after effects
uSretinal image = Constant
uSperceived a distance
lAlso applies to depth generated by stereopsis