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PreIntegration corrected by the change of bias in the paper????Can not understand the Jaccobian .......I think they maybe wrong.

Open GONGXI1994 opened this issue 7 years ago • 7 comments

2017-12-12 17 03 37

GONGXI1994 avatar Dec 12 '17 09:12 GONGXI1994

Foster give the full derivation of the Jacobians, however your paper seems different from what he has done, and It would be very kind if you provide the reason why you can simply get the Jacobian from the F...... @shaojie @dvorak0 @WayneTimer @groundmelon @xuhao1

GONGXI1994 avatar Dec 12 '17 09:12 GONGXI1994

Calculate F is tough. Jacobian is directly part of F, even in Foster's formulation.

qintonguav avatar Dec 24 '17 03:12 qintonguav

I konw the F is constructed by the jaccobians ,but I do not think the "error state " jaccobian is the same jaccobian that used to correct the preIntegration when the bias change...... @qintonguav

GONGXI1994 avatar Dec 24 '17 08:12 GONGXI1994

I also can not understand the Jaccobian here. Can you give more information about the jaccobian ? I can not find the Foster's formulation. Can you give me the network link? @qintonguav @GONGXI1994

gavinfan1 avatar May 18 '18 11:05 gavinfan1

paper: On-Manifold Preintegration for Real-Time Visual-Inertial Odometry

GONGXI1994 avatar May 24 '18 09:05 GONGXI1994

I'm also puzzled with this problem.The jaccobian should be the measurement change with the bias change. Why is it this? Are the two Jaccobians same ?

struggleforbetter avatar Dec 11 '18 08:12 struggleforbetter

I am also confused here. any updates?

lywcn avatar Jul 23 '20 23:07 lywcn