si688f09-Week2-SensMotor

si688f09-Week2-SensMotor - Sensory-Motor Interfaces...

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Sensory-Motor Interfaces Information Presentation Interaction Techniques Mark W. Newman SI 688 Week 2 Sep 21, 2009
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Sensory-Motor System(s)
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Sensory-Motor System(s) Perceptual System Motor Control
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Sensory-Motor System(s) Input Output
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Sensory-Motor System(s) Perceive Act
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The Senses Sight Hearing Touch Taste Smell Proprioception / Balance
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The Eye 20 million rods: luminosity (B/W); poor spatial acuity; dominate peripheral vision million cones: 3 types (R/G/B); function poorly in low light; dominate foveal visio
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Theories of Color Perception Trichromatic Theory Rods & cones pick up different colors (RGBK) and they are mixed together in the nervous system Opponent Process Theory Cones process information in an “antagonistic” manner (brain compares multiple signals) Three channels Red Gree n Blue Yellow White Blac k
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What’s Wrong Here? Red Gree n Blue Yellow White Blac k
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http://www.howard.k12.md.us/res/eyes/howeyeswo rk.html
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Color Constancy
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Feature Detection Detected in parallel Color Value Angle Slope Length Texture Motion Detected in serial Shape Area – Curvature Orientation Connection Containment Dedicated cells for certain visual features
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Gestalt: Figure & Ground
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This note was uploaded on 12/16/2009 for the course SI 688 taught by Professor Staff during the Fall '08 term at University of Michigan.

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si688f09-Week2-SensMotor - Sensory-Motor Interfaces...

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