Refined Translation in Ceres

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Asad Abbas

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Apr 19, 2017, 12:51:32 PM4/19/17
to Ceres Solver
Dear All,
 Can you please tell me how to get refined translation,please be as detailed as possible tried to locate it in balProblem.cc and bundleAdjuster.cc but could't find. Please let me know.
Yours Truly,

Sameer Agarwal

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Apr 21, 2017, 11:55:54 PM4/21/17
to Ceres Solver
for the i^th camera
camera() + i * camera_block_size() gives you access to the parameter block corresponding to the camera.
the camera block itself is laid out as rotation followed by the translation. 
if use_quaternions was false
then the translation vector is
camera() + i * camera_block_size() + 3

and  if it is true, then it is

camera() + i * camera_block_size() +  4

Sameer


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