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{
"R_RTK_IMU": [
[
0.9996841792313951,
0.02499811511405725,
-0.002576050309343804
],
[
-0.025002617750669198,
0.9996858874629868,
-0.0017307550243271697
],
[
0.002531975526313299,
0.0017946164171362589,
0.9999951842143289
]
],
"rpy_deg": [
0.1028243313393031,
-0.1450716664951083,
-1.43269836393699
],
"gyro_bias_by_session_rad_s": {
"priority_174005_174515": [
-8.90944066727157e-05,
7.078609864979291e-05,
0.0001460390779870233
],
"priority_174905_175450": [
-4.327374730750894e-05,
-0.0001097548390022348,
3.000549725593387e-05
],
"priority_175910_180530": [
-7.036551812132934e-05,
-0.0008054961048184173,
1.3026193503057623e-05
],
"slope_190548_190730": [
6.035222904568755e-05,
-8.913884157613711e-06,
0.00015470949872434692
],
"circle_193412_193642": [
-3.696799268832588e-05,
-0.00019200076224600124,
-5.9567987995056394e-05
],
"loop_194223_195003": [
-0.0001979655352189002,
-0.00015937450336643818,
-4.343089303706036e-05
],
"accel_195608_195958": [
-7.841839817698704e-05,
-2.604932294598783e-06,
5.8586555655011475e-05
],
"motion_sms_154023_154359": [
0.00011745666467620586,
0.00021434926285955486,
-4.5147354343760625e-05
]
},
"time_offset": {
"offset_s": 0.04000000000000031,
"peak_correlation": 0.5788788671828708,
"second_best_correlation": 0.5773967219219845,
"evaluated_samples": 12394,
"reliable": false
},
"applied_time_offset_s": 0.0,
"convention": {
"name": "north_cw__pitch_nose_up__roll_right_down",
"heading_sign": -1.0,
"pitch_sign": -1.0,
"roll_sign": 1.0
},
"convention_scores_deg": {
"north_cw__pitch_nose_up__roll_right_down": 1.631322241364994,
"north_cw__pitch_opposite": 1.737582794831228,
"heading_opposite__pitch_nose_up": 7.263259116648845,
"heading_opposite__pitch_opposite": 17.716319437929055
},
"pair_count": 731,
"residual_rms_deg": 1.6276839301413086,
"residual_median_deg": 0.5695938849052221,
"residual_p95_deg": 3.0903953005641345,
"rotation_std_deg": [
0.2340126126406699,
0.20048574131667432,
2.314692068045375
],
"information_singular_values": [
82178.77940373585,
60441.86300479194,
612.6358640387364
],
"per_session_rms_deg": {
"priority_174005_174515": 0.6134232617562615,
"priority_174905_175450": 2.2485932625979106,
"priority_175910_180530": 3.095861798757508,
"slope_190548_190730": 2.388478834012087,
"circle_193412_193642": 0.5629885032374518,
"loop_194223_195003": 0.6250976606325254,
"accel_195608_195958": 0.975856888271022,
"motion_sms_154023_154359": 1.3698317592842066
},
"loo_delta_deg": {
"priority_174005_174515": 0.7895996403426686,
"priority_174905_175450": 0.9224102138653388,
"priority_175910_180530": 5.144190932547379,
"slope_190548_190730": 0.24769087330915346,
"circle_193412_193642": 1.2637729378484346,
"loop_194223_195003": 0.4844375238260164,
"accel_195608_195958": 1.0976412402728102,
"motion_sms_154023_154359": 0.6896079810115167
},
"ok": false,
"notes": [
"transform convention: p_RTK = R_RTK_IMU p_IMU",
"residual time convention: t_IMU = t_RTK + +0.000000 s",
"GNHPR convention score gap=0.1063 deg",
"GNHPR alternatives use zero-bias prescreen scores; only the winner is jointly refined",
"LOO is conditional: per-session gyro biases are held at their all-session estimates",
"time-offset correlation was ambiguous; held residual offset at zero",
"rotation failed one or more strict acceptance gates"
]
}