02-07 Lecture Slides (Final)

Ambiguous columns not rows of dots the colors

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: Bottom- Up Processing Based on Feature Analysis n༆  The information directly available to the receptors (e.g., the 2D image on the retina) is often ambiguous Additional sources of information (= top- down processing) is necessary to efficiently resolve such ambiguities 5 2/8/13 How Do We Perceive/Recognize Objects and Scenes? n༆  The visual system uses various sources of information for perception & recognition ¨༊  Information directly available with stimulation of the receptors ¨༊  Additional information based on our prior experiences and knowledge n༆  n༆  Simple visual features, contours, orientations, etc. Driven by the analysis of the input given Consistent perceptual cues or principles acquired through experience ¨༊  ¨༊  n༆  Bottom-up (data-driven) processing Gestalt principles Use of depth/distance cues Knowledge and expectations Top-down (conceptually driv...
View Full Document

This note was uploaded on 02/18/2014 for the course PSYC 2145 taught by Professor Cheriking during the Spring '07 term at Colorado.

Ask a homework question - tutors are online