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    Abstract
2013 (Vol. 5, Issue: 13)
Article Information:

A New Digit Positioning Method for Analog Measuring Instruments

Zhenhua Wei, Le Zhang, Jie Lin and Shibo Song
Corresponding Author:  Le Zhang 

Key words:  Computer vision, coordinate transformation, digit positioning, pattern recognition , , ,
Vol. 5 , (13): 3529-3533
Submitted Accepted Published
July 27, 2012 September 17, 2012 April 15, 2013
Abstract:

For the automatic digit positioning of analogy measuring instruments, a positioning method based on coordinate transformation which has practical application is brought forward. And for the present, the mostly used ways for this field are method based on Hough transform and method based on circle scanning. But they have some defects such as time-consuming and complex or low accuracy rate. The method in this study is proposed to solve the above problems. It is primarily based on the coordinate transformation and projection operation to realize the object of digit positioning. By experiment, the validity and feasibility of the positioning method based on coordinate transformation are confirmed. It is shown that the average accuracy is improved by 5.4% and average positioning efficiency is improved by 8.73% compared to the present methods.
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  Cite this Reference:
Zhenhua Wei, Le Zhang, Jie Lin and Shibo Song, 2013. A New Digit Positioning Method for Analog Measuring Instruments.  Research Journal of Applied Sciences, Engineering and Technology, 5(13): 3529-3533.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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