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Ornamental and Medicinal Plants, 2019, 3(3-4): 6-12
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Article

Matlab methods for calculation of between-image correlations and similarities

WenJun Zhang, Yanhong Qi
1School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China; International Academy of Ecology and Environmental Sciences, Hong Kong
2Libraries of Sun Yat-sen University, Sun Yat-sen University, Guangzhou, China

Received 1 November 2019;Accepted 16 November 2019;Published 1 December 2019
IAEES

Abstract
In present study, we developed a series of methods to calculate between-image correlations and similarities. Between-image Pearson correlation, Spearman correlation and similarity index can be achieved and various statistic tests for between-image difference, including signed test of matched samples for between-image difference, Wilcoxon signed rank test for zero median of between-image difference, and t-test for between-image difference, can be made by using these methods. Full Matlab codes were given.

Keywords Matlab;methods;image analysis;correlation;similarity;Wilcoxon test.


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