Title
Ellipses from triangles
Abstract
We present an ellipse finding and fitting algorithm that uses points and tangents, rather than just points, as the basic unit of information. These units are analyzed in a hierarchy: points with tangents are paired into triangles in the first layer and pairs of triangles in the second layer vote for ellipse centers. The remaining parameters are estimated via robust linear algebra: eigen-decomposition and iteratively reweighed least squares. Our method outperforms the state-of-the-art approach in synthetic images and microscopic images of cells.
Year
DOI
Venue
2014
10.1109/ICIP.2014.7025736
Image Processing
Keywords
Field
DocType
computational geometry,curve fitting,eigenvalues and eigenfunctions,iterative methods,least squares approximations,object detection,parameter estimation,eigen-decomposition,ellipse detection,ellipse finding algorithm,ellipse fitting algorithm,image analysis,iteratively reweighed least squares,parameter estimation,pattern recognition,points-with-tangents,robust linear algebra,cell counting,ellipse detection,ellipse fitting,image analysis,pattern recognition
Least squares,Fitting algorithm,Linear algebra,Combinatorics,Pattern recognition,Tangent,Artificial intelligence,Ellipse,Geometry,Mathematics
Conference
ISSN
Citations 
PageRank 
1522-4880
3
0.38
References 
Authors
9
4
Name
Order
Citations
PageRank
Marcelo Cicconet130.38
Kristin C. Gunsalus291.19
Davi Geiger31050353.66
Michael Werman430.38