How to read files from opensfm\features

Hello,

Thanks for checking out this post, i am trying to make sense of .npz files in opensfm/features.

i see that this has 3 arrays with data

  1. N *4 dimension (I am assuming N is number of features)
  2. N*128 dimension
  3. N * 3

Question - how do i map back this feature to a location in image? how do i make sense of 1 and 3 from above?

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