March 2015
Intermediate to advanced
184 pages
5h 2m
English
Content preview from Human–Computer Interaction
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39
Human faCtors as HCI tHeorIes
different viewing distances. In Figure3.6, the display FOV
is denoted with the dashed line. e display offers different
fields of view, depending on the viewing distance (dotted line
in the middle).
• Pixel: A display system is typically composed of an array of
small rectangular areas called pixels.
• Display resolution: is is the number of pixels in the horizon-
tal and vertical directions for a fixed area.
• Visual acuity: In effect, this is the resolution perceivable by
the human eye from a fixed distance. is is also synonymous
with the power of sight, which is different for different people
and age groups.
ese huma ...
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