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Random mosaics 

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Program Information

Name: Random mosaics 
Domain: Graph and Image
Functionality: Change the value of two parameters in the implementation under test (IUT) to randomly generate the images of mosaics 
Input: Parameter a,b 
Output: different characteristics of the mosaics 

Reference

 Statistical Metamorphic Testing – Testing Programs with Random Output by Means of Statistical Hypothesis Tests and Metamorphic Testing   
10.1109/QSIC.2007.4385527  

MR Information

MR1------

Description:
Property: the distributions of the characteristics of both samples should be equal by means of statistical hypothesis tests 
Source input: $a_{1}$,$b_{1}$ 
Source output: the characteristics of the $mosaic_{1}$ 
Follow-up input: $a_{2}$,$b_{2}$ 
Follow-up output: the characteristics of the $mosaic_{2}$ 
Input relation:  $b_{1} \neq b_{2}$,$a_{1}=a_{2}$ 
Output relation: the distributions of the characteristics of both samples should be equal by means of statistical hypothesis tests 
Pattern:

MR2------

Description:
Property: $ k*k*mean_{1}=mean_{2}$ 
Source input: $a_{1}$,$b_{1}$ 
Source output: $mean_{1}$ 
Follow-up input: $a_{2}$,$b_{2}$ 
Follow-up output: $mean_{2}$ 
Input relation: $a_{2}=k*a_{1}$, $b_{1}=b_{2}$ 
Output relation: $ k*k*mean_{1}=mean_{2}$ 
Pattern:
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