What comparison methods are available in the `compareImages` action?

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Réponse

The `compareImages` action supports two methods for comparison: 'PSNR' (Peak Signal-to-Noise Ratio) and 'SSIM' (Structural Similarity Index Method), with 'SSIM' being the default.
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Other questions about compareImages
Can I transfer variables from the input tables to the output comparison table? What is the function of the `casOut` parameter? What is the purpose of the `compareImages` action in SAS Viya? What does the `pairAll` parameter do? How can I control which comparison results are saved?
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