NDLI: Applying similarity metrics to 3D acquisition in structured-light systems

Content Provider	IEEE Xplore Digital Library
Author	Jay, G.T. Smith, R.
Copyright Year	2008
Description	Author affiliation: Univ. of Alabama, Tuscaloosa, AL (Jay, G.T.; Smith, R.)
Abstract	Structured light systems use projected light to augment a scene with extra information. The goal of such systems is often the recovery of depth information based on 2D image(s) from one or more viewpoints. Traditionally, the best performing systems use the injected information to ldquolabelrdquo points within a scene. These labelings provide the correspondence information needed for 3D reconstruction. In this paper we attempt to demonstrate the feasibility of an alternative, similarity metric based, techinque by presenting a simple proof-of-concept system. The technique consists of performing a search for corresponding points from two image sets via a similarity metric and then using the best correspondences as an approximation of the actual point correspondences. Remarkably, we find that this conceptually simple approach can generate data of comparable quality to more complicated techniques. Perhaps the most striking advantage to this approach is that it eliminates the need for camera calibration. We believe these initial results indicate great promise for the application of ldquodata-miningrdquo techniques to the 3D acquisition domain.
Starting Page	1
Ending Page	4
File Size	448559
Page Count	4
File Format	PDF
ISBN	9781424421749
ISSN	10514651
DOI	10.1109/ICPR.2008.4761305
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-12-08
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Layout Cameras Labeling Image reconstruction Calibration Prototypes Clouds Optical surface waves Heart Engines
Content Type	Text
Resource Type	Article
Subject	Computer Vision and Pattern Recognition

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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