September 7, 2010

How Does Eye Tracking Detect the Object of Visual Attention?

How Does Eye Tracking Detect the Object of Visual Attention?

A recent Eye Tracking Update post detailed the basic anatomy of the eye and the two primary types of vision, foveal and peripheral. To continue the discussion on eye biology and how it relates to eye tracking technology, let’s take a look at the behavior that brings the two together: eye movement. The majority (about 94%) of our vision falls in the peripheral region, which is only good for producing a blurred image of surroundings for detecting movement and contrast. Detailed visual data about … [Read more...]

Introduction to Eye Tracking: The Anatomy of the Eye

Eye Tracking: The Anatomy of the Eye

The eye is a complex organ consisting of various muscles, tissues, and nerve sensors, which work together to create the phenomenon we know as vision. The ability to see, for those of us who possess the gift of sight, is something we take for granted. It seems simple enough-- you open your eyes and voila! You see the world around you; however, it isn’t a magic trick. We write about eyes and vision in just about every article on Eye Tracking Update, but to get a better idea of how eye tracking works, … [Read more...]