CGSC 1001 Lecture Notes - Lecture 6: Two-Streams Hypothesis, Peripheral Vision, Depth Perception
29 May 2015
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Document Summary
Perception - perception is the process by which an agent interprets and organizes sensations to produce a meaningful experience of the world around them. From a cognitive science perspective, it means turning information from one form into new and meaningful representations. Extramission theory - rays of light emanating from the eye in combination with the light in the world allow us to see. Intromission theory - rays of light reflected from objects into the eye allow us to see. Rod - the most light sensitive photoreceptor cells in the retina used of night vision and peripheral vision. Cones - there are (3) types of cones that correspond to colours . Size: the bigger the closer that object is to you. Perspective: things are smaller on the fovea as they move away. Occlusion: when something is in front of something else, example that tree is occluding that house. Texture, shading, saturation: the closer things are the more saturated and texture gradient.
