How can i get similar images by calculating distance between 128array?

Hello!

I have 2 questions:

  1. Tell me please i want to index images to ElasticSearch in this view:
    Image ID - number
    Image Name - text
    Image Array - 128 array (like [1.2, 2.0, 0.0 ......... etc])

How can i index this? What type to store the array?

  1. Tell me please how can i get similar images by calculating distance between 128array?
    Need plugin? Or ES have a function like a dist in Solr?

I have a certain image. I get 128 array for this image. And I want to ask ES say 10 most similar images based on the entered search in 128 array.

Thank you advance!

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