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A dense stereo correspondence algorithm for hardware implementation with enhanced disparity selection
Production and Management Engineering Dept., Democritus University of Thrace, Greece.
Electrical and Computer Engineering Dept., Democritus University of Thrace, Greece.
Production and Management Engineering Dept., Democritus University of Thrace, Greece.
2008 (English)In: Artificial Intelligence: Theories, Models And Applications, Setn 2008 / [ed] Darzentas, J; Vouros, GA; Arnellos, A, Springer Berlin/Heidelberg, 2008, Vol. 5138 LNAI, 365-370 p.Conference paper (Refereed)
Abstract [en]

In this paper an effective, hardware oriented stereo correspondence algorithm, able to produce dense disparity maps of improved fidelity is presented. The proposed algorithm combines rapid execution, simple and straight-forward structure as well as comparably high quality of results. These features render it as an ideal candidate for hardware implementation and for real-time applications. The proposed algorithm utilizes the Absolute Differences (AD) as matching cost and aggregates the results inside support windows, assigning Gaussian distributed weights to the support pixels, based on their Euclidean distance. The resulting Disparity Space Image (DSI) is furthered refined by Cellular Automata (CA) acting in all of the three dimensions of the DSI. The algorithm is applied to typical as well as to self-recorded real-life image sets. The disparity maps obtained are presented and quantitatively examined.

Place, publisher, year, edition, pages
Springer Berlin/Heidelberg, 2008. Vol. 5138 LNAI, 365-370 p.
, Lecture Notes in Artificial Intelligence, ISSN 0302-9743 ; 5138
Keyword [en]
Cellular automata, Stereo correspondence, Stereoscopic vision, Agglomeration, Algorithms, Artificial intelligence, Hardware, Image segmentation, Optical projectors, Pattern recognition systems, Stereo vision, Translation (languages), Absolute differences, Dense disparity maps, Disparity maps, Euclidean distances, Gaussian, Hardware implementations, High qualities, Image sets, Real-time applications, Space images, Stereo correspondences, Three dimensions, Conformal mapping
National Category
Computer Vision and Robotics (Autonomous Systems)
URN: urn:nbn:se:kth:diva-50998DOI: 10.1007/978-3-540-87881-0_34ISI: 000261331000033ISBN: 978-3-540-87880-3OAI: diva2:463161
5th Hellenic Conference on Artificial Intelligence Location: Syros, GREECE Date: OCT 02-04, 2008
Vision and Chemiresistor Equipped Web-connected Finding Robots (View-Finder), FP6-IST-2006-045541
QC 20111209Available from: 2011-12-08 Created: 2011-12-08 Last updated: 2011-12-09Bibliographically approved

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Nalpantidis, Lazaros
Computer Vision and Robotics (Autonomous Systems)

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