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Perceptual Organization of Linear Structures. Laurent Alquier Computer Vision Team LGI2P Institute NIMES - France Email: [email protected]. Objectives. Complete system Perceptual Organization of Complex Scenes Use of Curved Features Robust to noise. Detection of contours. Description. - PowerPoint PPT Presentation
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Perceptual Organization of Linear Perceptual Organization of Linear StructuresStructures
Laurent Alquier
Computer Vision Team
LGI2P Institute
NIMES - France
Email: [email protected]
POCV'98
ObjectivesObjectives
Complete system Perceptual Organization of
Complex Scenes Use of Curved Features Robust to noise
POCV'98
DescriptionDescription
Contour detection Selection of salient structures Extraction of Primitive Features Organization of hypotheses Application to Junctions detection and
matching
http://www.eerie.fr/~vision/alquier/publi/po-workshop/
For a complete description
POCV'98
ContributionsContributions
Saliency Networks– Generic formalism– New algorithm for optimization – Heuristics for grouping
References
Shashua and Ullman, 1991 - Alter and Basri, 1997
POCV'98
Contributions (2)Contributions (2)
Grouping of hypothesis and fitting– Segments, Arcs, Points of Interest
Graphs of relationships Generic framework - specialized modules Multi-scale
References
Mohan and Nevatia, 1992 - Sarkar and Boyer, 1993
Gao and Wong, 1993
POCV'98
Contributions (3)Contributions (3)
Perceptual organization of Junctions Structural Matching Temporal matching - Perceptual matching
References
Matas and Kittler, 1993 - Chang and Aggarwal, 1997
POCV'98
Current ResultsCurrent Results
Stable results in cluttered imagesGeneric parametersReasonable time on typical computersQualitative results only