attention and memory in visualization › resources › documents › part1... · 5/25/2011 ·...
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Attention and Memoryin Visualization
TriUPAMay 25, 2011
Christopher G. HealeyDepartment of Computer ScienceNorth Carolina State University
[email protected]://www.csc.ncsu.edu/faculty/healey
Tuesday, May 24, 2011
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Overview
1. Present an overview of research on visual attention
✦ origins and advances in preattentive visual features✦ bottom-up, top-down, and combined attention models✦ feature hierarchies, ensemble coding
2. Present an overview of research on visual memory
✦ postattentive amnesia✦ change blindness✦ inattentional blindness
3. Highlight research in graphics and visualization
✦ multidimensional visualization✦ visual aesthetics and engagement
Tuesday, May 24, 2011
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Hue Target
Absent Present
http://www.csc.ncsu.edu/faculty/healey/PP
Tuesday, May 24, 2011
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Hue Target
Present Absent
http://www.csc.ncsu.edu/faculty/healey/PP
Tuesday, May 24, 2011
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Curvature Target
Absent Present
http://www.csc.ncsu.edu/faculty/healey/PP
Tuesday, May 24, 2011
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Conjunction Target
Present Absent
http://www.csc.ncsu.edu/faculty/healey/PP
Tuesday, May 24, 2011
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Conjunction Target
Present Absent
http://www.csc.ncsu.edu/faculty/healey/PP
Tuesday, May 24, 2011
![Page 8: Attention and Memory in Visualization › Resources › Documents › Part1... · 5/25/2011 · Overview 1. Present an overview of research on visual attention origins and advances](https://reader034.vdocument.in/reader034/viewer/2022042322/5f0c58637e708231d434f0d5/html5/thumbnails/8.jpg)
Orientation
Density
Length
Closure
Size
Curvature
Preattentive Features
http://www.csc.ncsu.edu/faculty/healey/PP
Tuesday, May 24, 2011
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hue Luminance Number
Intersection Terminators
Preattentive Features
http://www.csc.ncsu.edu/faculty/healey/PP
Tuesday, May 24, 2011
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Flicker Direction of Motion Velocity of Motion
Depth Direction of Lighting
Preattentive Features
http://www.csc.ncsu.edu/faculty/healey/PP
Tuesday, May 24, 2011
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Feature HierarchyIdentify orientation of boundary
http://www.csc.ncsu.edu/faculty/healey/PP
Hue Boundary Shape Boundary
Tuesday, May 24, 2011
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Ensemble CodingIdentify Which Color Has Larger Average Size
All Green Circles > All Blue Circles More Large Blue Circles
Tuesday, May 24, 2011
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http://www.csc.ncsu.edu/faculty/healey/US_election
California voting patterns for President, Senate, House, and Governor
by Congressional district
Multidimensional Glyphs
•Method to visualize high dimensional data
✦ Data samples represented as a geometric glyphs
✦ Samples’ attribute values used to vary their glyphs’ appearance
•Human visual perception used to select “salient” properties of colour, texture, and motion
•Harness visual system’s ability to rapidly, accurately, and effortlessly perform high-level analysis tasks
Tuesday, May 24, 2011
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January Monthly Average Temperature
Data courtesy Climatic Research Unit, University of East Anglia
Tuesday, May 24, 2011
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Data courtesy Climatic Research Unit, University of East Anglia
Tuesday, May 24, 2011
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Data courtesy Climatic Research Unit, University of East Anglia
Tuesday, May 24, 2011
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Data courtesy Climatic Research Unit, University of East Anglia
Tuesday, May 24, 2011
![Page 18: Attention and Memory in Visualization › Resources › Documents › Part1... · 5/25/2011 · Overview 1. Present an overview of research on visual attention origins and advances](https://reader034.vdocument.in/reader034/viewer/2022042322/5f0c58637e708231d434f0d5/html5/thumbnails/18.jpg)
Data courtesy Climatic Research Unit, University of East Anglia
Tuesday, May 24, 2011
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Data courtesy Climatic Research Unit, University of East Anglia
Tuesday, May 24, 2011