Moment preserving detection of elliptical shapes in gray-scale images
Pattern Recognition Letters
Direct Least Square Fitting of Ellipses
IEEE Transactions on Pattern Analysis and Machine Intelligence
From the Hough transform to a new approach for the detection and approximation of elliptical arcs
Computer Vision and Image Understanding
Efficiency of Characterizing Ellipses and Ellipsoids by Discrete Moments
IEEE Transactions on Pattern Analysis and Machine Intelligence
Shape Similarity Measure Based on Correspondence of Visual Parts
IEEE Transactions on Pattern Analysis and Machine Intelligence
Invariant Fitting of Planar Objects by Primitives
IEEE Transactions on Pattern Analysis and Machine Intelligence
Moment and Curvature Preserving Technique for Accurate Ellipse Boundary Detection
ICPR '98 Proceedings of the 14th International Conference on Pattern Recognition-Volume 1 - Volume 1
Measuring shape: ellipticity, rectangularity, and triangularity
Machine Vision and Applications
Robust Real-Time Ellipse Detection by Direct Least-Square-Fitting
CSSE '08 Proceedings of the 2008 International Conference on Computer Science and Software Engineering - Volume 01
Optimal blurred segments decomposition of noisy shapes in linear time
Computers and Graphics
Multi-scale Analysis of Discrete Contours for Unsupervised Noise Detection
IWCIA '09 Proceedings of the 13th International Workshop on Combinatorial Image Analysis
A discrete geometry approach for dominant point detection
Pattern Recognition
Decomposition of a curve into arcs and line segments based on dominant point detection
SCIA'11 Proceedings of the 17th Scandinavian conference on Image analysis
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In this work we propose an efficient and original method for ellipse detection which relies on a recent contour representation based on arcs and line segments [1]. The first step of such a detection is to locate ellipse candidate with a grouping process exploiting geometric properties of adjacent arcs and lines. Then, for each ellipse candidate we extract a compact and significant representation defined from the segment and arc extremities together with the arc middle points. This representation allows then a fast ellipse detection by using a simple least square technique. Finally some first comparisons with other robust approaches are proposed.