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Published byRoland Cassels Modified over 9 years ago
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An Introduction to marker-based Augmented Reality… Dimitris Tzionas
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…and holistic Pain Management
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Augmented Reality
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Medicine Manufacturing/Repair Entertainment Culture Collaborative Apps Education Marketing TV Broadcasts/Sports Navigation
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Where?
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Visual Tracking
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“Visual Bits” “Printed Bits” Visual Tracking
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Overview
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Independent Regions Scanlines
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Intensity Gradient dense scanlines
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Edgels pixels on the edge
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Edgels (sub-pixel)
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Edgels dense scanlines low thresh
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Edgels sparse scanlines low thresh
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Edgels dense scanlines
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Edgels sparse scanlines
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Edgels low thresh dense scanlines
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Edgels medium thresh dense scanlines
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Edgels high thresh dense scanlines
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outliers inliers
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dense scanlines outliers inliers
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sparse scanlines outliers inliers
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outliers inliers sparse scanlines
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Connecting the Regions low thresh
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Connecting the Lines low thresh
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Connecting the Regions high thresh
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Connecting the Lines high thresh
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Lengthening the Lines
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Line “direction” slope of each line intensity gradient of edgels
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Marker frame detection
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Marker ID scanning Projective mapping
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Marker ID sampling
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Sampling
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Sampled ID
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“Printed Bits”
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Marker IDs
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Pose Estimation
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Medical Visualization
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Data markers
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ID markers
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Harsh Conditions
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…An introduction to holistic Pain Management…
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Thank you
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Thank you
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Marker ID scanning warping
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ARToolkit ARToolkit+ ARTag
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