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File:Detection centre ellipse tangentes et point milieu.svg

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Français : Soient deux points A et B situés sur une ellipse et dont les tangentes sont sécantes ; soit T le point d'intersection des tangentes et M le milieu de [AB].

Le centre O de l'ellipse se trouve sur la demie-droite [TM).

Cette propriété peut êtr eutilisée pour déterminer le centre de l'ellipse.
English: Let A and B be two points on an ellipse, their tangent having a single intersection point; let T be the intersection of the tangents and M the middle of the line segment [AB].

The center of the ellpise, O, lies on the half-line [TM).

This property can be used to locate the center of the ellipse.
Date
Source Own work, from L. Alvarez, A. Salgado and J. Sánchez, “Robust detection and ordering of ellipses on a calibration pattern”, Pattern Recognition and Image Analysis, Springer, 17 (4),‎ december 2007, p. 508–522
Author Cdang
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current14:49, 24 May 2018Thumbnail for version as of 14:49, 24 May 2018175 × 126 (7 KB)Cdang (talk | contribs)User created page with UploadWizard

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