Method Focal Length Error Principal Point Error
focalabs,mean focalabs,max focalabs,min focalrel,mean focalrel,max focalrel,min ppabs,mean ppabs,max ppabs,min pprel,mean pprel,max pprel,min
COLMAP (SIFT+NN) 240.107370.769197.69731.61048.86726.095 66.786112.16347.74242.41572.84829.834
COLMAP (SIFT+NN)* 117.781122.004112.62715.57416.13614.897 1.5941.6821.4550.9551.0100.873
Pixel-Perfect (Disk+NN) 313.362359.700268.22541.20347.33135.277 66.88676.55758.24842.04049.42536.684
Pixel-Perfect (Disk+NN)* 179.227183.157176.46723.68324.20523.320 5.2645.4475.0782.9093.0012.798
Pixel-Perfect (R2D2+NN) 126.477211.90864.95316.54027.8008.501 61.21296.71642.74439.09363.35226.318
Pixel-Perfect (R2D2+NN)* 91.132103.76083.59112.05213.72711.054 2.9503.3582.6031.8602.0431.647
Pixel-Perfect (SuperPoint+NN) 406.536728.230138.87153.93797.04118.185 220.455469.903107.160137.272279.02066.045
Pixel-Perfect (SuperPoint+NN)* 10.45624.9654.4141.3893.3130.582 2.6864.2901.8831.7262.5211.257
Pixel-Perfect (SuperPoint+SuperGlue) 490.563634.495227.27465.00884.24630.119 207.518300.653142.050130.619190.47986.182
Pixel-Perfect (SuperPoint+SuperGlue)* 7.30714.1573.8080.9651.8730.502 2.3913.5341.3841.5632.1460.986
DUSt3R (Linear) 5854.9665982.0995570.567774.200791.681739.994 163.994164.348163.778104.706104.928104.567
DUSt3R (Linear)* 5885.4476087.4895602.540776.848805.607742.758 156.384157.863154.68593.32094.26992.218
DUSt3R (DPT) 9959.29310114.1319760.7311309.8931329.8401283.910 164.321164.702163.716104.895105.115104.549
DUSt3R (DPT)* 9878.86910023.0069727.5241300.4231318.9471280.676 170.561171.531169.178104.892105.471104.069
VGGSfM 560.1501056.412413.16873.191137.34753.895 164.713164.713164.713105.052105.052105.052
VGGSfM* 120.997131.599111.52615.91817.31614.686 6.6457.8945.9644.0674.8693.666
Ours (Single frame) 6.5988.9162.9500.8701.1780.396 2.2272.8451.5461.4831.7891.106
Ours (Multiple frames) 5.4050.712 1.9941.335