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ssim

 

Hi,

 

Recently I tested acquired image with the reference image using the provided SSIM.vi from examples. Basically it is an image of 10mm gas bubble at the centre of a pipe.

Below is the setting that I use:

 

Option: Fast

Window size:3

 

case#1:

I tested the test (acquired) image which is attachment#1  and the refrence image (attachmenn#2) and the result is 0.3050

Case #2

I test the reference and  test image with the same file which is reference image and the result is 1

Case #3

I test the reference image with other different test image (attachment#3)  and the results is 0.9502

 

I'm very confused regarding result in case#3 which expected to be near 0. Please guide.

 

Regards

 

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