The Extraction of Car - Licence Plates using Combined Color Information of HIS and YIQ 


Vol. 7,  No. 12, pp. 3995-4003, Dec.  2000
10.3745/KIPSTE.2000.7.12.3995


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  Abstract

This paper describes a method that extracts the region of car-licence plates in color images of private and commercial cars. To extract car-licence plates, we use the feature that car-licence plate regions have regular colors according to the kinds of cars. In this paper, we propose the method that combines H component of HSI color model and Q component of YIQ color model. To improve efficiency of the process, we explore lines in a car image by a regular interval in a bottom-up style. As a result, the extraction rates by only H-component, only by Q-component, and by combined H and Q, are 53.6%, 82.1%, and 94.6% respectively.

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[IEEE Style]

H. J. Lee, H. C. Park, B. H. Jun, "The Extraction of Car - Licence Plates using Combined Color Information of HIS and YIQ," The Transactions of the Korea Information Processing Society (1994 ~ 2000), vol. 7, no. 12, pp. 3995-4003, 2000. DOI: 10.3745/KIPSTE.2000.7.12.3995.

[ACM Style]

Hwa Jin Lee, Hyung Chul Park, and Byung Hwan Jun. 2000. The Extraction of Car - Licence Plates using Combined Color Information of HIS and YIQ. The Transactions of the Korea Information Processing Society (1994 ~ 2000), 7, 12, (2000), 3995-4003. DOI: 10.3745/KIPSTE.2000.7.12.3995.

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