monocular group meeting people localization and other projects by gerald dalley mit ai lab vision...
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Monocular Group Meeting Monocular Group Meeting People Localization and People Localization and
Other ProjectsOther Projects
By Gerald DalleyBy Gerald Dalley
MIT AI Lab Vision Retreat MIT AI Lab Vision Retreat
14 January 200314 January 2003
OverviewOverview
Who Am I?Who Am I? 11stst year Ph.D. student in Eric Grimson’s year Ph.D. student in Eric Grimson’s
activity groupactivity group Past and Present Projects…Past and Present Projects…
People LocalizationPeople Localization System designSystem design ChallengesChallenges
Who Am I: Past and Present Projects:Who Am I: Past and Present Projects:
Range Image Registration (B.S. @ OSU)Range Image Registration (B.S. @ OSU)
“earthmover detected”
Who Am I: Past and Present Projects:Who Am I: Past and Present Projects:
Vehicle Recognition From Cluttered Vehicle Recognition From Cluttered Range Images (M.S. @ OSU)Range Images (M.S. @ OSU)
Who Am I: Past and Present Projects:Who Am I: Past and Present Projects:
Equations and Figures: Matlab, PowerPoint, Equations and Figures: Matlab, PowerPoint, Word, LATEX, and More Word, LATEX, and More (current)(current)
Making equations…Making equations…Matlab figure tricksMatlab figure tricksEmbedding LaTeX in PowerPointEmbedding LaTeX in PowerPoint
Tell me about your problems (and/or solutions)Tell me about your problems (and/or solutions)
Who Am I: Past and Present Projects:Who Am I: Past and Present Projects:
HID Consistency Constraints (current)HID Consistency Constraints (current)
Who Am I: Past and Present Projects:Who Am I: Past and Present Projects:
People Localization (Microsoft + MIT)People Localization (Microsoft + MIT)
(267,195,180), 270o
(282,182,142), 292o
(219, 26,149), 270o
(176,188,139), 270o
People Localization: People Localization:
System DesignSystem Design
Video Edges
Motion
Color
Camera Calibration
Head & Shoulders Model
Template Generator
Outline
Comparison
ChallengesChallenges
Inherent challengesInherent challenges No stereoNo stereo Widely-varying occlusion levelsWidely-varying occlusion levels Low contrast between walls and peopleLow contrast between walls and people ScaleScale
Implementation challengesImplementation challenges Chamfer, Hausdorff, Chamfer, Hausdorff, etc.etc. distances have not distances have not
been good discriminators yetbeen good discriminators yet
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