02-07 Lecture Slides (Final)

Additional information based on our prior experiences

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: e Objects and Scenes? (briefly covered on 01/31) n༆  The visual system uses various sources of information for perception & recognition ¨༊  Information directly available with stimulation of the receptors (bottom- up) n༆  ¨༊  Simple visual features, contours, orientations, etc. Additional information based on our prior experiences and knowledge (top- down) n༆  Consistent perceptual cues or principles acquired through experience ¨༊  ¨༊  n༆  Gestalt principles Use of depth/distance cues Knowledge and expectations Main Points of Today’s Lecture n༆  n༆  n༆  The visual system uses various sources of information for perception & recognition Both bottom- up and top- down sources of information are necessary for efficient perception and recognition One important aspect of bottom- up processing is the analysis of features ¨༊  Pandemonium model; recognition- by- components theory n༆  Top- down processing is necessary to guide and supplement the bottom- up analysis of the incoming information How Do We Perceive/Recognize Objects and Scenes? n༆  The visual system uses various sources of information for perception & recognition ¨༊...
View Full Document

Ask a homework question - tutors are online