oxford_spires_dataset / calibration /calibration_target.txt
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Camera-IMU calibration (Kalibr)
target_type: 'aprilgrid' #gridtype
tagCols: 6 #number of apriltags
tagRows: 6 #number of apriltags
tagSize: 0.088 #size of apriltag, edge to edge [m]
tagSpacing: 0.3 #ratio of space between tags to tagSize
Camera-Lidar calibration (DiffCal)
target_type: 'checkerboard' #gridtype
targetCols: 12 #number of internal chessboard corners
targetRows: 9 #number of internal chessboard corners
rowSpacingMeters: 0.06 #size of one chessboard square [m]
colSpacingMeters: 0.06 #size of one chessboard square [m]