Statistics of the Number of Seals Based on Multi-directional Projection
SONG Yun-cen1,CHEN Zhen-long1,LUO Ying1,LIU Lin1,YE Yu-tang1,CHEN Wei1,2,LIU Shao-zhuang1,2
1. Lab of MOEMIL, University of Electronic Science and Technology of China, Chengdu,Sichuan 610054, China;
2. Chengdu HOLDTECS Co. Ltd., Chengdu,Sichuan 610054, China
Abstract A multidirectional projection method which can count the number of seals on bundled banknotes automatically and quickly is introduced. The fundamental principle of this method is that, based on the theory of image processing, converting bundled banknotes image from RGB space to LUV space in the first, processing it by using cluster analysis algorithm, then a binary image of the tied note can be gained. Using thought of multidirectional projection, projection transformation in the vertical direction and the horizontal direction then be applied to in turn. Finally the number of the seals can be counted. Theoretical analysis and the experimental results show that, this method can remove the impact of background noise effectively, do not depend on the quality of seals sigil, and improve the efficiency and accuracy of the automatical number statistics of the seals.
SONG Yun-cen,CHEN Zhen-long,LUO Ying, et al. Statistics of the Number of Seals Based on Multi-directional Projection[J]. Acta Metrologica Sinica, 2015, 36(3): 242-246.
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2015, Vol. 36 
