jyzhong

device->GetMotionDatas() , return 0 imu data

3

why i can get a image from the "device->GetLatestStreamData(Stream::LEFT)", but i get 0 imu data from the device->GetMotionDatas, sometimes. Hope get your reply.

the unit of timestamp from Sdk is 1us or 0.1us ? I think it's 1us, but the variable 'UINT_S = 1e-5' rather than 1e-6. Hope get your reply.

i meet the following problem: /home/slam/Documents/MYNT-EYE-OKVIS-Sample/build/okvis/brisk/src/brisk_external/src/brisk-feature-detector.cc:61:8: error: ‘function’ is not a member of ‘std’; std::function masking = hope recieve your solution about this issue.

In the RT version, the JdPwb express different from the master version?

1

@jingpang in the RT version , Matrix JdPwb = - Jpi * (-Rcb*Rwb.transpose()); while, int the master version , Matrix JdPwb = - Jpi * (-Rcb); when i try change...

https://github.com/HeYijia/VINS-Course/blob/75b9586522c970d5f850ca4026bee9ee847407ef/src/backend/problem.cc#L473 贺博，你好。请问，更新b_prior_的时候，为什么是“减法”？ b_prior_ -= H_prior_ * delta_x_.head(ordering_poses_);我的理解是“加法”，请问，我哪里出错了？

ceres::GradientChecker is not a template

1

I use Eigen 3.3.9 && ceres-solver 1.14 && sophus by stevenlovegrove. the three thirdparty are build success. But this project has the error ‘ceres::GradientChecker is not a template’. what's your...

Error using baslerGetData

1

Failed to retrieve XML file from camera device '\\?\usb#vid_2676&pid_ba02&mi_00#6&e265dc0&0&0000#{79bfeeca-947f-11e1-bc58-001b2163ef96}'. Error: 'The requested operation timed out.' ---------------- i use pylon 5. Is this the problem?

why the norm of magnetometer calibrated isn't equal to local Earth magnetic norm

5

https://github.com/tyrex-team/benchmarks-attitude-smartphones/blob/8ad1100294465251560723c3bfa4e823e9feed52/src/Calibration/Magnetometer/retrieveParametersFromMagnetometerCalibration.m#L22-L23