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Lecture_19 - Visual Perception and Attention Stages of...

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Visual Perception and Attention • Stages of Visual Information Processing • Attention for Selection • Attention for Action • Attention for Naught
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Stages of Visual Information Processing (a la David Marr) • Primal Sketch • 2 1/2 -D Sketch • 3-D Model
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(“Primal Sketch”) Marr s Theory of Vision luminance orientation color motion disparity Image Deconstruction STAGE 1 FEATURES
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Stages of Visual Information Processing (a la David Marr) • Primal Sketch • 2 1/2 -D Sketch • 3-D Model
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(“2 1/2 -D Sketch”) Marr s Theory of Vision shape texture velocity depth Image Reconstruction STAGE 2 SURFACES
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Stages of Visual Information Processing (a la David Marr) • Primal Sketch • 2 1/2 -D Sketch • 3-D Model
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Marr s Theory of Vision STAGE 3 Full 3-D Model to be presented to the rest of the brain for inspection ?
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Visual Perception and Attention • Stages of Visual Information Processing • Attention for Selection • Attention for Action • Attention for Naught
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Attention for Selection Visual Search Tasks - Feature Search - Conjunction Search Target=
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Attention for Selection Visual Search Tasks - Feature Search - Conjunction Search Target=
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