1. 03 Sep, 2020 1 commit
    • David Novotny's avatar
      Camera alignment · 316b7778
      David Novotny authored
      Summary:
      adds `corresponding_cameras_alignment` function that estimates a similarity transformation between two sets of cameras.
      
      The function is essential for computing camera errors in SfM pipelines.
      
      ```
      Benchmark                                                   Avg Time(μs)      Peak Time(μs) Iterations
      --------------------------------------------------------------------------------
      CORRESPONDING_CAMERAS_ALIGNMENT_10_centers_False                32219           36211             16
      CORRESPONDING_CAMERAS_ALIGNMENT_10_centers_True                 32429           36063             16
      CORRESPONDING_CAMERAS_ALIGNMENT_10_extrinsics_False              5548            8782             91
      CORRESPONDING_CAMERAS_ALIGNMENT_10_extrinsics_True               6153            9752             82
      CORRESPONDING_CAMERAS_ALIGNMENT_100_centers_False               33344           40398             16
      CORRESPONDING_CAMERAS_ALIGNMENT_100_centers_True                34528           37095             15
      CORRESPONDING_CAMERAS_ALIGNMENT_100_extrinsics_False             5576            7187             90
      CORRESPONDING_CAMERAS_ALIGNMENT_100_extrinsics_True              6256            9166             80
      CORRESPONDING_CAMERAS_ALIGNMENT_1000_centers_False              32020           37247             16
      CORRESPONDING_CAMERAS_ALIGNMENT_1000_centers_True               32776           37644             16
      CORRESPONDING_CAMERAS_ALIGNMENT_1000_extrinsics_False            5336            8795             94
      CORRESPONDING_CAMERAS_ALIGNMENT_1000_extrinsics_True             6266            9929             80
      --------------------------------------------------------------------------------
      ```
      
      Reviewed By: shapovalov
      
      Differential Revision: D22946415
      
      fbshipit-source-id: 8caae7ee365b304d8aa1f8133cf0dd92c35bc0dd
      316b7778