Invariant Fitting of Planar Objects by Primitives
IEEE Transactions on Pattern Analysis and Machine Intelligence
Shape Matching and Object Recognition Using Shape Contexts
IEEE Transactions on Pattern Analysis and Machine Intelligence
Rectilinearity Measurements for Polygons
IEEE Transactions on Pattern Analysis and Machine Intelligence
Measuring shape: ellipticity, rectangularity, and triangularity
Machine Vision and Applications
Cumulative Residual Entropy, A New Measure of Information & its Application to Image Alignment
ICCV '03 Proceedings of the Ninth IEEE International Conference on Computer Vision - Volume 2
A New Convexity Measure for Polygons
IEEE Transactions on Pattern Analysis and Machine Intelligence
Computer Vision and Image Understanding
International Journal of Computer Vision
Measuring Squareness and Orientation of Shapes
Journal of Mathematical Imaging and Vision
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Recently several approaches for measuring the rectilinearity of shapes have been published [P.L. Rosin, J. Zunic, Measuring rectilinearity, Computer Vision and Image Understanding, 99(2) (2005) 175-188; J. Zunic, P.L. Rosin, Rectilinearity measurements for polygons, IEEE Transactions on Pattern Analysis and Machine Intelligence, 25(9) (2003) 1193-1200]. This paper generalises the R"1 and R"2 measures defined by Zunic and Rosin [J. Zunic, P.L. Rosin, Rectilinearity measurements for polygons, IEEE Transactions on Pattern Analysis and Machine Intelligence, 25(9) (2003) 1193-1200] to detect rectilinearity in two new situations: (1) the polygon has been skewed and (2) the shape contains two rectilinear components oriented differently to each other.