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    Abstract
2013 (Vol. 5, Issue: 11)
Article Information:

An Algorithm for Minimal Circumscribed Rectangle of Image Object Based on Searching Principle Axis Method

Faquan Zhang, Guofu Wang, Qingning Zeng and Jincai Ye
Corresponding Author:  Faquan Zhang 

Key words:  Image processing, minimal circumscribed rectangle, principle axis method, searching, searching speed, ,
Vol. 5 , (11): 3083-3086
Submitted Accepted Published
August 17, 2012 September 17, 2012 April 05, 2013
Abstract:

In this study, we propose an algorithm of searching principle axis method which can save a lot of time. The initial position of the horizontal principle axis and the vertical principle axis and the rotation center are obtained using least square method. The horizontal principle axis is acted as a right-angle side and initial enclosing rectangle is obtained. Instead of rotating the image object, we only rotate two principle axes by rational rotational direction, region and interval until the minimal circumscribed rectangle is found. The results show that calculating complexities are decreased remarkably and computation speed and result precision are increased.
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  Cite this Reference:
Faquan Zhang, Guofu Wang, Qingning Zeng and Jincai Ye, 2013. An Algorithm for Minimal Circumscribed Rectangle of Image Object Based on Searching Principle Axis Method.  Research Journal of Applied Sciences, Engineering and Technology, 5(11): 3083-3086.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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