Does ASP support Chandrayaan TMC/TMC-2 3-camera (Fore-Nadir-Aft) multi-view stereo in a single parallel_stereo run?

[Kalyani]

Hi,

I am processing Chandrayaan TMC / TMC-2 tri-stereo imagery (Fore, Nadir, Aft).

Does NASA Ames Stereo Pipeline support processing all 3 images in a single `parallel_stereo` run using Multi-View Stereo, like this?

parallel_stereo \
  tmc/nad.map.tif tmc/fwd.map.tif tmc/aft.map.tif \
  ba/run-nad.json ba/run-fwd.json ba/run-aft.json \
  stereo_fan/run ref.tif

[Oleg Alexandrov]

Multiview is supported but does not do well. It is suggested to bundle adjust the 3 images, do stereo for fore nadir, then nadir aft, inspect the results, and merge them with dem_mosaic. 

Note that our doc needs further work on alignment for Chandrayaan 2 (tbd soon). First stereo could be done without mapprojection, as likley the alignment to prior dem is not good enough to mapproject on that. Then one could align this first produced merged dem to a ref and transport the cameras as well, and redo stereo with mapproj onto a prior ref or onto a smoothed and hole filled version of this first cut aligned dem. The mapproj doc has more info.

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