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http://dx.doi.org/10.5394/KINPR.2016.40.4.207

An Efficient BC Approach to Compute Fractal Dimension of Coastlines  

So, Hye-Rim (OST Graduate school of Korea Maritime and Ocean University)
So, Gun-Baek (OST Graduate school of Korea Maritime and Ocean University)
Jin, Gang-Gyoo (Division of IT, Korea Maritime and Ocean University)
Abstract
The box-counting(BC) method is one of the most commonly used methods for fractal dimension calculation of binary images in the fields of Engineering, Science, Medical Science, Geology, etc due to its simplicity and reliability. It deals with only square images with each size equal to the power of 2 to prevent it from discarding unused pixels for images of arbitrary size. In this paper, we presents a more efficient BC method based on the original one, which is applicable to images of arbitrary size. The proposed approach allows the number of the counting boxes to be real to improve the estimation accuracy. The mean absolute error performance is computed on two deterministic fractal images whose theoretical dimensions are well known to compare with those of the existing BC method and triangular BC method. The experimental results show that the proposed method can outperform the two methods and assess the complexity of coastline images of Korea and Chodo island taken from the Google map.
Keywords
Fractal dimension; Box-counting method; Real number counting; Binay image; Coastlines;
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