An Improved Curvature Coding For Planar Shape Representation

Author(s):  
Ke-Hua Guo ◽  
Jing-Yu Yang
Author(s):  
BIN WANG ◽  
YAN QIU CHEN

This paper proposes a novel shape representation scheme — Interior Angle Chain (IAC) — which is invariant to translation, rotation and scaling. The proposed method first approximates the contour of a planar shape with an equilateral polygon and then makes a representation using the polygon's interior angle chain. The difference between two shapes is measured by the distance between their IAC's. An algorithm to obtain equilateral polygon approximation and its associated IAC is proposed in this paper. The proposed shape representation scheme has been tested on two benchmarks and applied to lake recognition in SAR (Synthetic Aperture Radar) images. The results show that IAC is an effective shape representation scheme.


2002 ◽  
Vol 35 (1) ◽  
pp. 43-53 ◽  
Author(s):  
C. Urdiales ◽  
A. Bandera ◽  
F. Sandoval

2021 ◽  
pp. 200023
Author(s):  
Sen-Zhe Xu ◽  
Hao-Zhi Huang ◽  
Fang-Lue Zhang ◽  
Song-Hai Zhang

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