
Perception and
visual acuity
19
Boynton, Robert M., Human
dolor 89 (New York: Holt,
Rinehart and Winston, 1979).
Wandell, Brian A.,
Foundations
of Vision (Sunderland, Mass.:
Sinauer Associates, 1995).
Properties of human vision are central to image system
engineering. They determine how many bits are neces-
sary to represent luminance (or tristimulus) levels, and
how many pixels need to be provided per degree of
picture angle. This chapter introduces the intensity
discrimination and spatial properties of vision.
Retina
The human retina has four types of photoreceptor cells
that respond to incident ...