02-07 Lecture Slides (Final)

N the visual system uses various sources of

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Unformatted text preview: en) processing Driven by what we already know from our prior experiences and contexts Both bottom-up and top-down processes are crucial Gestalt Principles of Perception n༆  We use the regularities in the visual world learned from our experiences to guide our perception (= top- down processing) Principle of Pragnanz (Simplicity) Principle of Similarity Columns or rows? (ambiguous) Columns, not rows, of dots (the colors disambiguates the interpretation) “5 rings” not like (b) The Use of Depth/Distance Cues n༆  We use the regularities in the visual world learned from our experiences to guide our perception (= top- down processing) Size Constancy The images projected onto the retina are different in size, but our brain automatically takes the distance information into account 6 2/8/13 The Use of Depth/Distance Cues n༆  We use the regularities in the visual world learned from our experiences to guide our perception (= top- down processing) Ponzo Illusion (ZAPS Assignment #2) From our previous experiences, we know the object further away should look smaller (size constancy). Our tendency to automatically use this information leads to the Ponzo Illusion Section...
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