What are the suitable similarity matrics fir multimodal image registration and why?

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Sonja Jäckle

I am not sure, if understand you right? You mean suitable similarity metrics for multimodal image registration? If so, the following question would be helpful for you: https://www.researchgate.net/post/What_is_the_most_appropriate_similarity_metric_for_multi-modal_image_registration

Yongkai Liu

From what i have used, some self-similarity metrics can really enhance the multi-modal image registration. Try to explore more about the structural information hidden in the images...