2D object recognition based on curvature functions obtained from local histograms of the contour chain code

Abstract In this paper a real time 2D object recognition algorithm is proposed. Contours are represented by their curvature functions, decomposed in the Fourier domain as linear combination of a set of representative objects. Finally, objects are identified by multilevel clustering.

[1]  Farzin Mokhtarian,et al.  A Theory of Multiscale, Curvature-Based Shape Representation for Planar Curves , 1992, IEEE Trans. Pattern Anal. Mach. Intell..

[2]  Jiangying Zhou,et al.  Discrimination of characters by a multi-stage recognition process , 1994, Pattern Recognit..

[3]  Roland T. Chin,et al.  On the Detection of Dominant Points on Digital Curves , 1989, IEEE Trans. Pattern Anal. Mach. Intell..

[4]  Majid Ahmadi,et al.  A hierarchical neural network architecture for handwritten numeral recognition , 1997, Pattern Recognit..

[5]  R. J. Green,et al.  Fingerprint classification using a hexagonal fast fourier transform , 1996, Pattern Recognit..

[6]  Neill W. Campbell,et al.  Interpreting image databases by region classification , 1997, Pattern Recognit..

[7]  L. Sayn-Wittgenstein.  Patterns of spatial variation in forests and other natural populations , 1970, Pattern Recognit..

[8]  P. Sopp.  Cluster analysis. , 1996, Veterinary immunology and immunopathology.

[9]  F. Arrebola,et al.  CORNER DETECTION BY LOCAL HISTOGRAMS OF CONTOUR CHAIN CODE , 1997 .

[10]  Azriel Rosenfeld,et al.  An integrated approach to 2D object recognition , 1997, Pattern Recognit..

[11]  Ioannis Pitas,et al.  Digital Image Processing Algorithms , 1993 .

[12]  Sargur N. Srihari,et al.  Gradient-based contour encoding for character recognition , 1996, Pattern Recognit..

[13]  Shu-Yuen Hwang,et al.  A machine learning approach for acquiring descriptive classification rules of shape contours , 1997, Pattern Recognit..

[14]  David S. Touretzky,et al.  Optical Chinese character recognition using probabilistic neural networks , 1997, Pattern Recognit..