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Adaptive windowed range-constrained Otsu method using local information

[+] Author Affiliations
Jia Zheng, Dinghua Zhang, Kuidong Huang, Yuanxi Sun

Northwestern Polytechnical University, Key Lab of Contemporary Design and Integrated Manufacturing Technology, Ministry of Education, School of Mechanical Engineering, 127 West Youyi Road, Xi’an Shaanxi 710072, China

Shaojie Tang

Xi’an University of Posts and Telecommunications, School of Automation, Xi’an, Shaanxi 710121, China

J. Electron. Imaging. 25(1), 013034 (Feb 19, 2016). doi:10.1117/1.JEI.25.1.013034
History: Received June 19, 2015; Accepted January 19, 2016
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Abstract.  An adaptive windowed range-constrained Otsu method using local information is proposed for improving the performance of image segmentation. First, the reason why traditional thresholding methods do not perform well in the segmentation of complicated images is analyzed. Therein, the influences of global and local thresholdings on the image segmentation are compared. Second, two methods that can adaptively change the size of the local window according to local information are proposed by us. The characteristics of the proposed methods are analyzed. Thereby, the information on the number of edge pixels in the local window of the binarized variance image is employed to adaptively change the local window size. Finally, the superiority of the proposed method over other methods such as the range-constrained Otsu, the active contour model, the double Otsu, the Bradley’s, and the distance-regularized level set evolution is demonstrated. It is validated by the experiments that the proposed method can keep more details and acquire much more satisfying area overlap measure as compared with the other conventional methods.

© 2016 SPIE and IS&T

Citation

Jia Zheng ; Dinghua Zhang ; Kuidong Huang ; Yuanxi Sun and Shaojie Tang
"Adaptive windowed range-constrained Otsu method using local information", J. Electron. Imaging. 25(1), 013034 (Feb 19, 2016). ; http://dx.doi.org/10.1117/1.JEI.25.1.013034


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