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Authors: Magnus Evestedt and Alexander Medvedev

Affiliation: Uppsala University, Sweden

ISBN: 972-8865-40-6

ISSN: 2184-4321

Keyword(s): Image analysis, feature extraction, model-based application, image sampling.

Related Ontology Subjects/Areas/Topics: Applications ; Computer Vision, Visualization and Computer Graphics ; Feature Extraction ; Features Extraction ; Image and Video Analysis ; Informatics in Control, Automation and Robotics ; Model-Based Object Tracking in Image Sequences ; Motion, Tracking and Stereo Vision ; Pattern Recognition ; Signal Processing, Sensors, Systems Modeling and Control ; Software Engineering ; Surface Geometry and Shape ; Video Analysis

Abstract: A water model is studied to simulate physical phenomena in the Lintz-Donawitz steel converter. The depression in the liquid, due to the impinging gas jet, is measured by means of a video camera. Image processing tools are used to extract the edge of the surface indentation. The measured edge, sampled in a special way, is used together with a nonlinear mathematical model to obtain a description of the cavity profile. The parameters of the mathematical model are optimized to match the registered cavity edge in the image at a set of sampled points. Three ways of choosing sampling points for the optimization are proposed and compared on simulated as well as experimental data. An approach involving an observer decreases the computation time with an acceptable loss of accuracy of the estimates.

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Paper citation in several formats:
Evestedt, M. and Medvedev, A. (2006). MODEL-BASED CAVITY SHAPE ESTIMATION IN A GAS-LIQUID SYSTEM WITH NONUNIFORM IMAGE SAMPLING. In Proceedings of the First International Conference on Computer Vision Theory and Applications - Volume 1: VISAPP, ISBN 972-8865-40-6; ISSN 2184-4321, pages 365-370. DOI: 10.5220/0001367503650370

@conference{visapp06,
author={Magnus Evestedt. and Alexander Medvedev.},
title={MODEL-BASED CAVITY SHAPE ESTIMATION IN A GAS-LIQUID SYSTEM WITH NONUNIFORM IMAGE SAMPLING},
booktitle={Proceedings of the First International Conference on Computer Vision Theory and Applications - Volume 1: VISAPP,},
year={2006},
pages={365-370},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001367503650370},
isbn={972-8865-40-6},
issn={2184-4321},
}

TY - CONF

JO - Proceedings of the First International Conference on Computer Vision Theory and Applications - Volume 1: VISAPP,
TI - MODEL-BASED CAVITY SHAPE ESTIMATION IN A GAS-LIQUID SYSTEM WITH NONUNIFORM IMAGE SAMPLING
SN - 972-8865-40-6
IS - 2184-4321
AU - Evestedt, M.
AU - Medvedev, A.
PY - 2006
SP - 365
EP - 370
DO - 10.5220/0001367503650370

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