Fast and Simple 2D Shape Retrieval Using Discrete Shock Graph

Solima KHANAM  Seok-Woo JANG  Woojin PAIK  

IEICE TRANSACTIONS on Information and Systems   Vol.E94-D   No.10   pp.2059-2062
Publication Date: 2011/10/01
Online ISSN: 1745-1361
DOI: 10.1587/transinf.E94.D.2059
Print ISSN: 0916-8532
Type of Manuscript: LETTER
Category: Image Recognition, Computer Vision
medial axes,  shock graph,  deform cost,  visual transformation,  computational complexity,  

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In this letter, we propose an effective method to retrieve images from a 2D shape image database using discrete shock graphs combined with an adaptive selection algorithm. Experimental results show that our method is more accurate and fast than conventional approaches and reduces computational complexity.