Accurate location of circles inside images is a common problem in many scientific fields. Traditional algorithms, based on fitting a parameterized model, cannot accurately determine the circle in presence of partial occlusions. A novel problem formulation, based on maximum likelihood, allows estimating circles in real-time with sub-pixel accuracy also when occlusions are present.

Real-time accurate circle fitting with occlusions / I. Frosio, N.A. Borghese. - In: PATTERN RECOGNITION. - ISSN 0031-3203. - 41:3(2008 Mar), pp. 1041-1055. [10.1016/j.patcog.2007.08.011]

Real-time accurate circle fitting with occlusions

I. Frosio
Primo
;
N.A. Borghese
Ultimo
2008

Abstract

Accurate location of circles inside images is a common problem in many scientific fields. Traditional algorithms, based on fitting a parameterized model, cannot accurately determine the circle in presence of partial occlusions. A novel problem formulation, based on maximum likelihood, allows estimating circles in real-time with sub-pixel accuracy also when occlusions are present.
Circle fitting ; Maximum-likelihood ; Image occlusion ; Non-linear optimization
Settore INF/01 - Informatica
mar-2008
Article (author)
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/35508
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