Also, note that I am working on pre-known features and some of them may not be that accurate definitely not sub-px accurate.
Bundle adjustment report
------------------------
Residuals : 1720
Parameters : 1301
Iterations : 235
Time : 0.284126 [s]
Initial cost : 8.04638 [px]
Final cost : 0.274314 [px]
Termination : No convergence
=> Filtered observations: 0
=> Filtered images: 0
Elapsed time: 0.005 [minutes]