A Computational Approach to Edge Detection
IEEE Transactions on Pattern Analysis and Machine Intelligence
IEEE Transactions on Pattern Analysis and Machine Intelligence
Finding axes of skewed symmetry
Computer Vision, Graphics, and Image Processing
Axial representations of shape
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Generating and generalizing models of visual objects
Artificial Intelligence
Corner detection and curve representation using cubic B-spline
Computer Vision, Graphics, and Image Processing
Edgel-aggregation and edge-description
Computer Vision, Graphics, and Image Processing
An introduction to splines for use in computer graphics & geometric modeling
An introduction to splines for use in computer graphics & geometric modeling
Piecewise-circular curves for geometric modeling
IBM Journal of Research and Development
Artificial Intelligence
Curves and surfaces for computer aided geometric design: a practical guide
Curves and surfaces for computer aided geometric design: a practical guide
Invariant Properties of Straight Homogeneous Generalized Cylinders and Their Contours
IEEE Transactions on Pattern Analysis and Machine Intelligence
Line-Drawing Interpretation: Bilateral Symmetry
IEEE Transactions on Pattern Analysis and Machine Intelligence
Perceptual organization for computer vision
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B-spline contour representation and symmetry detection
ECCV 90 Proceedings of the first european conference on Computer vision
On characterizing ribbons and finding skewed symmetries
Computer Vision, Graphics, and Image Processing
A new curve tracing algorithm and some applications
Curves and surfaces
Adaptive Smoothing: A General Tool for Early Vision
IEEE Transactions on Pattern Analysis and Machine Intelligence
Computer Vision
Hierarchical Decomposition and Axial Shape Description
IEEE Transactions on Pattern Analysis and Machine Intelligence
Curve-fitting with piecewise parametric cubics
SIGGRAPH '83 Proceedings of the 10th annual conference on Computer graphics and interactive techniques
IEEE Transactions on Pattern Analysis and Machine Intelligence
On the Performance of Connected Components Grouping
International Journal of Computer Vision
Hierarchical Decomposition and Axial Shape Description
IEEE Transactions on Pattern Analysis and Machine Intelligence
Skeletonization of Ribbon-Like Shapes Based on a New Wavelet Function
IEEE Transactions on Pattern Analysis and Machine Intelligence
Parametric tracking of legs by exploiting intelligent edge
Journal of Computer Science and Technology - Special issue on computer graphics and computer-aided design
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IJCAI'97 Proceedings of the Fifteenth international joint conference on Artifical intelligence - Volume 2
Optimal contour closure by superpixel grouping
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Parametric tracking of human contour by exploiting intelligent edge
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Optimal Image and Video Closure by Superpixel Grouping
International Journal of Computer Vision
Multiscale Symmetric Part Detection and Grouping
International Journal of Computer Vision
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The detection of edges is only one of many steps in the understanding of images. Further processing necessarily involves grouping operations between contours. We present a representation of edge contours by approximating B-splines and show that such a representation facilitates the extraction of symmetries between contours. Our representation is rich, compact, stable, and does not critically depend on feature extraction. We turn our attention to the detection of three types of symmetries: skew symmetries and parallel symmetries, which have proven to be of great importance in inferring shape from contour, and smooth local symmetries, which have been used for planar shape description. We show that our representation facilitates the computation of these symmetries.