camera-matrix

Why is inverse intrinsic matrix denoted with dimensions [3, 4]?

Why is inverse intrinsic matrix denoted with dimensions [3, 4]? Question: I am working with the multinerf Framework from Google Research. It’s great to work with and things are actually pretty clear down to the paragraph existing data loaders under Intrinsic camera poses: Intrinsic camera poses pixtocams= [N, 3, 4] numpy array of inverse intrinsic …

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